Find flights
When to book
Airlines
FAQs

Cheap flights from Portsmouth to Boston from £496

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOS
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Portsmouth to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Portsmouth (P0R) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

£496
Delta
  • Delta
  • 6/3-13/3
  • 4 total stops
  • 33h 25m total
  • Portsmouth to Boston
Search Deals

Find flight deals from Portsmouth to Boston

Cheapest flights from Portsmouth to Boston
Explore the most affordable flight options available from Portsmouth to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Thu 6/309:00SOU - BOS
2 stops15h 00mDelta
Thu 13/310:00BOS - SOU
2 stops18h 25mDelta
Deal found 20/1£496
Thu 6/317:20SOU - BOS
3 stops28h 40mMultiple Airlines
Thu 13/319:20BOS - SOU
2 stops20h 20mMultiple Airlines
Deal found 20/1£554
Wed 5/309:00SOU - BOS
1 stop15h 15mKLM
Fri 14/322:15BOS - SOU
1 stop30h 35mKLM
Deal found 20/1£577
Thu 6/309:30SOU - BOS
1 stop14h 25mAer Lingus
Thu 13/322:20BOS - SOU
1 stop17h 20mAer Lingus
Deal found 20/1£668

Find flights from Portsmouth to Boston within your budget

Customise your flight search to find flights from Portsmouth to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 6/3

09:00-19:00

2 stops15h 00m

Boston Logan Intl

Thu 13/3

10:00-08:25

2 stops18h 25m

£496

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 6/3

17:20-17:00

3 stops28h 40m

Boston Logan Intl

Thu 13/3

19:20-19:40

2 stops20h 20m

£554

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 5/3

09:00-19:15

1 stop15h 15m

Boston Logan Intl

Fri 14/3

22:15-08:50

1 stop30h 35m

£577

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 6/3

09:30-18:55

1 stop14h 25m

Boston Logan Intl

Thu 13/3

22:20-19:40

1 stop17h 20m

£668

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 4/4

20:00-14:55

1 stop23h 55m

£501

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 21/4

09:20-16:30

1 stop12h 10m

£1,162

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Best time to book a flight from Portsmouth to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston 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 Boston

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

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

Currently, October is the cheapest month in which you can book a flight from Portsmouth to Boston (average of £10). Flying from Portsmouth to Boston in July is currently the most expensive (average of £724). 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 BOS?

Find hourly flight availability from Portsmouth to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

When flying from Portsmouth to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Portsmouth to Boston?

Use this chart to determine the cheapest time to fly return from Portsmouth to Boston. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Boston flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Boston

Explore weekly flight availability from Portsmouth to Boston. 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 21 January 2025.

The most flights from P0R to BOS are scheduled on a Monday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, 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 23.0 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 Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

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

Related info for your journey

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

  • What airport do you fly into for flights to Boston from Portsmouth?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Portsmouth. On average, Logan Intl has 0 inbound flights from Portsmouth per day from 17 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • What are the most reliable airlines from Portsmouth to Boston?

    The top 3 most reliable airlines when flying from Portsmouth to Boston are JetBlue (89%), TAP AIR PORTUGAL (89%) and Gulf Air (83%).

  • What are the cheapest flights from Portsmouth to Boston?

    The cheapest flight price from Portsmouth to Boston is £378. On average you can expect to pay £1,289. The most popular route, (Southampton Eastleigh - Boston Logan Intl), can usually be booked for £496.

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

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

  • How can I find direct flights from Portsmouth to Boston?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Boston 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 Boston?

    Currently, October is the cheapest month in which you can book a flight from Portsmouth to Boston (average of £10). Flying from Portsmouth to Boston in July is currently the most expensive (average of £724). 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

Travelling to a place near Portsmouth?

Book flights to Portsmouth if you plan to visit one of these locations
Cambridge
Chelsea
Burlington
Chelmsford
Kittery

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 Boston

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Boston flights
Gatwick to Boston flights
London City to Boston flights
Stansted to Boston flights
Luton to Boston flights
Manchester to Boston flights
Edinburgh to Boston flights
Heathrow to Worcester flights
Birmingham to Boston flights
Heathrow to Hartford flights
Newcastle upon Tyne to Boston flights
Bristol to Boston flights
Leeds to Boston flights
London City to Hartford flights
Edinburgh to Albany flights
Heathrow to Albany flights
Gatwick to Hartford flights
Manchester to Hartford flights
Liverpool to Boston flights
Edinburgh to Hartford flights
Bristol to Hartford flights
Newquay to Boston flights
Southampton to Boston flights
Southend to Boston flights
East Midlands to Boston flights
Norwich to Boston flights
Heathrow to Nantucket flights
Newcastle upon Tyne to Albany flights
Manchester to Worcester flights
London City to Worcester flights
Birmingham to Hartford flights
Newquay to Hartford flights
Southend to Hartford flights
Doncaster to Boston flights
Darlington to Boston flights

Top 10 airlines flying from Portsmouth to Boston

Discover the top 10 airlines that operate flights from Portsmouth to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£8Average£296FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
PLAYCheapest£285Average£446FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£308Average£487FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£338Average£467FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£366Average£460FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£367Average£492FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£367Average£489FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£370Average£478FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Scandinavian AirlinesCheapest£371Average£537FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air CanadaCheapest£374Average£469FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 Boston?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Boston. 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 Boston?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boston from Portsmouth today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
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.