What are the cheapest airlines to fly from Portsmouth to USA one-way?

One-way options have recently been found by users for as low as £502 on Aer Lingus. Other airlines that offer cheap prices include Virgin Atlantic from £952 and Delta from £1,125 one-way.

What are the most popular routes from Portsmouth to USA?

Most travelers choose Southampton Eastleigh - Jackson-Evers Intl, Southampton Eastleigh - New York John F Kennedy Intl or Southampton Eastleigh - Miami when deciding on the best route from Portsmouth to USA.

What are the cheapest flights from Portsmouth to USA?

While on average a flight from Portsmouth to USA is generally £2,029, our data shows the cheapest flight currently is £401. When looking at the most popular route, (Southampton Eastleigh - Jackson-Evers Intl), you can expect to pay £680 for that flight.

What are the most reliable airlines from Portsmouth to USA?

The top 3 most reliable airlines when flying from Portsmouth to USA are Royal Jordanian (93%), Fiji Airways (89%) and Malaysia Airlines (89%).

What are the most popular airlines that fly from Portsmouth to USA?

Before booking your flight from Portsmouth to USA check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

How far in advance should I book a flight from Portsmouth to USA?

To save up to 25% on this flight, we recommend booking at least 10 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portsmouth to USA from £404 1-2 weeks out and tickets from £584 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portsmouth to USA?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to USA. Flights to USA from Portsmouth in January are about £429 on average during January, but can be found for as low as £222.

Can I find deals for flights from Portsmouth to USA that include hotel bookings?

Yes. In addition to deals on Portsmouth to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portsmouth to USA?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to USA.

Can I find deals for business class flights from Portsmouth to USA?

Yes. Cheapflights offers flight deals from Portsmouth to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£776+ Flights from Portsmouth to the United States

Cheap flight deals from Portsmouth to USA

Round-trip from	£483
One-way from	£286
Popular in	August
Cheapest in	January
Average price	£385

KLM
7/4-13/4
2 total stops
51h 45m total
Portsmouth to USA

Search Deals

23/4
2 total stops
38h 25m total
Portsmouth to USA

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£36 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Portsmouth to USA

Cheapest flights from Portsmouth to USA
Explore the most affordable flight options available from Portsmouth to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Sat 1/309:30SOU - JFK

1 stop30h 46mKLM

Mon 17/317:35JFK - SOU

1 stop10h 50mKLM

Deal found 22/2£407

Sat 1/309:30SOU - LGA

2 stops18h 19mDelta

Mon 17/312:52LGA - SOU

2 stops15h 33mDelta

Deal found 22/2£423

Sat 1/309:30SOU - JFK

2 stops18h 43mDelta

Mon 17/311:45JFK - SOU

2 stops16h 40mDelta

Deal found 22/2£423

Sat 1/309:30SOU - EWR

2 stops18h 39mDelta

Mon 17/313:00EWR - SOU

2 stops15h 25mDelta

Deal found 22/2£423

Mon 24/317:20SOU - MIA

2 stops29h 34mDelta

Thu 3/411:40MIA - SOU

2 stops16h 05mDelta

Deal found 22/2£507

Sun 2/317:20SOU - MCO

1 stop28h 32mKLM

Mon 10/313:17MCO - SOU

2 stops15h 08mKLM

Deal found 22/2£510

Mon 7/417:35SOU - JFK

2 stops34h 48mVirgin Atlantic

Mon 14/413:10JFK - SOU

2 stops14h 40mVirgin Atlantic

Deal found 22/2£523

Sun 4/518:25SOU - LAX

1 stop25h 25mDelta

Mon 19/509:59LAX - SOU

2 stops23h 01mDelta

Deal found 22/2£578

Mon 7/417:35SOU - LGA

2 stops31h 01mVirgin Atlantic

Mon 14/417:00LGA - SOU

2 stops34h 45mVirgin Atlantic

Deal found 22/2£594

Mon 7/417:35SOU - EWR

2 stops44h 06mVirgin Atlantic

Mon 14/419:35EWR - SOU

2 stops32h 10mVirgin Atlantic

Deal found 22/2£594

Mon 7/420:00SOU - JFK

2 stops28h 10mMultiple Airlines

Mon 14/420:25JFK - SOU

2 stops18h 05mMultiple Airlines

Deal found 23/2£607

Mon 7/409:20SOU - MIA

2 stops39h 33mVirgin Atlantic

Mon 14/406:00MIA - SOU

2 stops45h 45mVirgin Atlantic

Deal found 22/2£617

Best flights from Portsmouth to USA
Discover carefully curated flight deals from Portsmouth to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 February 2025.

Mon 7/417:35SOU - JFK

1 stop24h 45mKLM

Sun 13/400:50JFK - SOU

1 stop27h 00mKLM

Deal found 22/2£483

Mon 24/317:20SOU - MIA

2 stops29h 34mDelta

Thu 3/411:40MIA - SOU

2 stops16h 05mDelta

Deal found 22/2£507

Mon 7/417:35SOU - JFK

2 stops34h 48mVirgin Atlantic

Mon 14/413:10JFK - SOU

2 stops14h 40mVirgin Atlantic

Deal found 22/2£523

Mon 7/420:00SOU - JFK

2 stops28h 10mMultiple Airlines

Mon 14/420:25JFK - SOU

2 stops18h 05mMultiple Airlines

Deal found 23/2£607

Mon 7/409:40SOU - EWR

1 stop11h 20mAer Lingus

Mon 14/417:30EWR - SOU

1 stop9h 45mAer Lingus

Deal found 22/2£721

Wed 9/409:20SOU - JFK

2 stops17h 10mDelta

Wed 16/411:18JFK - SOU

2 stops16h 27mDelta

Deal found 22/2£514

Mon 7/417:35SOU - LGA

2 stops31h 01mVirgin Atlantic

Mon 14/417:00LGA - SOU

2 stops34h 45mVirgin Atlantic

Deal found 22/2£594

Sun 4/518:25SOU - LAX

1 stop25h 25mDelta

Wed 21/514:05LAX - SOU

2 stops18h 55mDelta

Deal found 22/2£578

Mon 7/417:35SOU - LAX

1 stop26h 15mKLM

Mon 14/416:45LAX - SOU

1 stop32h 00mKLM

Deal found 22/2£648

Mon 7/417:35SOU - EWR

2 stops44h 06mVirgin Atlantic

Mon 14/419:35EWR - SOU

2 stops32h 10mVirgin Atlantic

Deal found 22/2£594

Mon 7/408:00SOU - LAX

2 stops19h 05mMultiple Airlines

Mon 14/421:25LAX - SOU

2 stops27h 20mMultiple Airlines

Deal found 22/2£720

Tue 8/409:20SOU - MCO

2 stops18h 36mKLM

Tue 15/412:00MCO - SOU

2 stops15h 45mKLM

Deal found 22/2£661

Last-minute flights from Portsmouth to USA
Discover last-minute flight deals from Portsmouth to USA. Data last updated 23 February 2025 and is based on user searches.

Sat 1/309:30SOU - JFK

1 stop30h 46mKLM

Mon 17/317:35JFK - SOU

1 stop10h 50mKLM

Deal found 22/2£407

Sat 1/309:30SOU - LGA

2 stops18h 19mDelta

Mon 17/312:52LGA - SOU

2 stops15h 33mDelta

Deal found 22/2£423

Sat 1/309:30SOU - JFK

2 stops18h 43mDelta

Mon 17/311:45JFK - SOU

2 stops16h 40mDelta

Deal found 22/2£423

Sat 1/309:30SOU - EWR

2 stops18h 39mDelta

Mon 17/313:00EWR - SOU

2 stops15h 25mDelta

Deal found 22/2£423

Sat 1/316:25SOU - EWR

2 stops34h 45mMultiple Airlines

Sun 16/300:55EWR - SOU

2 stops29h 55mMultiple Airlines

Deal found 22/2£637

Sat 1/309:30SOU - EWR

1 stop11h 40mAer Lingus

Mon 17/322:35EWR - SOU

2 stops30h 10mAer Lingus

Deal found 22/2£735

Sat 1/309:30SOU - JFK

2 stops16h 40mAer Lingus

Sun 16/300:20JFK - SOU

2 stops15h 20mAer Lingus

Deal found 22/2£899

Sat 1/317:20SOU - JFK

3 stops25h 35mMultiple Airlines

Mon 17/320:45JFK - SOU

2 stops16h 05mMultiple Airlines

Deal found 22/2£909

Sun 2/317:20SOU - MCO

1 stop28h 32mKLM

Mon 10/313:17MCO - SOU

2 stops15h 08mKLM

Deal found 22/2£510

Sun 2/309:30SOU - MCO

3 stops42h 44mMultiple Airlines

Mon 10/305:20MCO - SOU

3 stops23h 25mMultiple Airlines

Deal found 22/2£1,195

Mon 24/317:20SOU - MIA

2 stops29h 34mDelta

Thu 3/411:40MIA - SOU

2 stops16h 05mDelta

Deal found 22/2£507

One-way flights from Portsmouth to USA
Search for one-way flight options from Portsmouth to USA. Find affordable one-way fares based on user searches. Data last updated 23 February 2025.

Wed 23/409:00SOU - MCO

2 stops38h 25mMultiple Airlines

Deal found 22/2£286

Sun 20/416:35SOU - MIA

2 stops26h 45mMultiple Airlines

Deal found 22/2£289

Sat 19/418:55SOU - EWR

3 stops43h 20mMultiple Airlines

Deal found 22/2£445

Sat 19/411:35SOU - JFK

2 stops57h 20mMultiple Airlines

Deal found 22/2£470

Wed 23/409:10SOU - MCO

1 stop13h 55mAer Lingus

Deal found 22/2£502

Sat 19/411:35SOU - LGA

3 stops40h 15mMultiple Airlines

Deal found 22/2£614

Sat 19/409:40SOU - LAX

1 stop16h 45mAer Lingus

Deal found 22/2£653

Sat 19/409:40SOU - JFK

1 stop32h 45mAer Lingus

Deal found 21/2£751

Sat 19/416:25SOU - EWR

1 stop28h 35mAer Lingus

Deal found 21/2£772

Wed 9/409:20SOU - JAN

2 stops19h 42mVirgin Atlantic

Deal found 22/2£952

Wed 9/409:10SOU - JAN

3 stops42h 38mMultiple Airlines

Deal found 22/2£1,086

Mon 31/309:20SOU - LGA

2 stops27h 21mDelta

Deal found 21/2£1,125

Find flights from Portsmouth to USA within your budget

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 7/4

17:35-13:20

1 stop24h 45m

New York John F Kennedy Intl

Sun 13/4

00:50-08:50

1 stop27h 00m

£483

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 24/3

17:20-18:54

2 stops29h 34m

Miami

Thu 3/4

11:40-08:45

2 stops16h 05m

£507

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Wed 9/4

09:20-21:30

2 stops17h 10m

New York John F Kennedy Intl

Wed 16/4

11:18-08:45

2 stops16h 27m

£514

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 7/4

17:35-23:23

2 stops34h 48m

New York John F Kennedy Intl

Mon 14/4

13:10-08:50

2 stops14h 40m

£523

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 4/5

18:25-11:50

1 stop25h 25m

Los Angeles

Wed 21/5

14:05-17:00

2 stops18h 55m

£578

SouthamptonNew York

SOU - LGA

SOULGA

Southampton Eastleigh

Mon 7/4

17:35-19:36

2 stops31h 01m

New York LaGuardia

Mon 14/4

17:00-08:45

2 stops34h 45m

£594

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mon 7/4

17:35-08:41

2 stops44h 06m

Newark

Mon 14/4

19:35-08:45

2 stops32h 10m

£594

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Mon 7/4

20:00-19:10

2 stops28h 10m

New York John F Kennedy Intl

Mon 14/4

20:25-19:30

2 stops18h 05m

£607

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 7/4

09:20-19:53

2 stops39h 33m

Miami

Mon 14/4

06:00-08:45

2 stops45h 45m

£617

SouthamptonOrlando

SOU - MCO

SOUMCO

Southampton Eastleigh

Tue 22/4

17:35-16:55

2 stops28h 20m

Orlando

Thu 8/5

11:00-08:45

2 stops16h 45m

£626

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 50 results

...

Best time to book a flight from Portsmouth to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Portsmouth with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portsmouth to USA

Get recent, data-driven insights about flights from Portsmouth to USA including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portsmouth to USA?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to USA (average of £575). Flying from Portsmouth to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from P0R to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to USA as you normally would.

Weekly flight availability from Portsmouth to USA

The most flights from P0R to US0 are scheduled on a Thursday (54 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in USA by month

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

Temperature in USA by month

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing USA

Read through reviews of airlines operating flights from Portsmouth to USA, such as Delta, KLM and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,191 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,191 reviews

Delta

8.0

Very Good

8,191 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very Good

8,191 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.5

Good

653 reviews

Delta

8.0

Very Good

8,191 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus

7.0

Good

1,071 reviews

Delta

8.0

Very Good

8,191 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Portsmouth to USA one-way?
One-way options have recently been found by users for as low as £502 on Aer Lingus. Other airlines that offer cheap prices include Virgin Atlantic from £952 and Delta from £1,125 one-way.
What are the most popular routes from Portsmouth to USA?
Most travelers choose Southampton Eastleigh - Jackson-Evers Intl, Southampton Eastleigh - New York John F Kennedy Intl or Southampton Eastleigh - Miami when deciding on the best route from Portsmouth to USA.
What are the most reliable airlines from Portsmouth to USA?
The top 3 most reliable airlines when flying from Portsmouth to USA are Royal Jordanian (93%), Fiji Airways (89%) and Malaysia Airlines (89%).
What are the cheapest flights from Portsmouth to USA?
While on average a flight from Portsmouth to USA is generally £2,029, our data shows the cheapest flight currently is £401. When looking at the most popular route, (Southampton Eastleigh - Jackson-Evers Intl), you can expect to pay £680 for that flight.
Can I find deals for flights from Portsmouth to USA that include hotel bookings?
Yes. In addition to deals on Portsmouth to USA flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to USA.
Can I find deals for business class flights from Portsmouth to USA?
Yes. Cheapflights offers flight deals from Portsmouth to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portsmouth to USA?
Currently, January is the cheapest month in which you can book a flight from Portsmouth to USA (average of £575). Flying from Portsmouth to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portsmouth to USA

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£275	Average£431	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
TAP AIR PORTUGAL	Cheapest£298	Average£476	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Delta	Cheapest£303	Average£654	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Icelandair	Cheapest£311	Average£596	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Canada	Cheapest£318	Average£555	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	Cheapest£328	Average£664	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
SWISS	Cheapest£334	Average£539	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Scandinavian Airlines	Cheapest£344	Average£555	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
United Airlines	Cheapest£364	Average£633	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Austrian Airlines	Cheapest£365	Average£540	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to USA?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to USA from Portsmouth.

Can Cheapflights find flights from Portsmouth to USA with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to USA with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to USA become cheaper?

Not ready to book yet? You can track prices for flights from Portsmouth to USA on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portsmouth to the United States from £286

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to USA

Keep the following information in mind while searching for Portsmouth to USA flight deals. Data was last updated 23 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to USA

Cheapest flights from Portsmouth to USAExplore the most affordable flight options available from Portsmouth to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Explore the most affordable flight options available from Portsmouth to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Find flights from Portsmouth to USA within your budget

Best time to book a flight from Portsmouth to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Portsmouth with our price prediction graph.

Travel insights for flights from Portsmouth to USA

Get recent, data-driven insights about flights from Portsmouth to USA including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portsmouth to USA?

What is the cheapest time of day to fly from P0R to US?

Find hourly flight availability from Portsmouth to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 February 2025.

Weekly flight availability from Portsmouth to USA

Explore weekly flight availability from Portsmouth to USA. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 February 2025.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 23 February 2025.

Read through reviews of airlines operating flights from Portsmouth to USA, such as Delta, KLM and Virgin Atlantic. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Portsmouth to USA one-way?

What are the most popular routes from Portsmouth to USA?

What are the most reliable airlines from Portsmouth to USA?

What are the cheapest flights from Portsmouth to USA?

Can I find deals for flights from Portsmouth to USA that include hotel bookings?

How can I find direct flights from Portsmouth to USA?

Can I find deals for business class flights from Portsmouth to USA?

What is the cheapest month to book a flight from Portsmouth to USA?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to USA

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to USA

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to USA?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to USA?

Can Cheapflights find flights from Portsmouth to USA with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to USA become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Portsmouth to USA
Explore the most affordable flight options available from Portsmouth to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.