What are the cheapest airlines flying from Boston to Southampton round-trip?

Currently priced at £576, Delta will fly you from Boston to Southampton and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Aer Lingus - these airlines can fly you to your destination from £577 and £670, respectively. Delta is currently priced 21% below the average price you’ll pay for this route.

How far in advance should I book a flight from Boston to Southampton?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 10% on flights from Boston to Southampton compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £506. For sooner than that we have options available in the next 3 days from £535.

What is the cheapest month to fly from Boston to Southampton?

The best pricing can be found in the month of January. Prices to Southampton from Boston average £490. You can even find prices in January for less than £490, as users have found deals to Southampton from as low as £293. The month of June appears to be one of the more expensive times to travel to Southampton from Boston. Flying in the targeted month can save you up to 31%.

What is the cheapest time of day to fly from BOS to SOU?

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

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

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

How can I find direct flights from Boston to Southampton?

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

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

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

£259+ Flights from Boston to Southampton

Cheap flight deals from Boston to Southampton

Round-trip from	£576
One-way from	£259
Popular in	July
Cheapest in	January
Average price	£840

Delta
6/8-20/8
2 total stops
23h 10m total
Boston to Southampton

Search Deals

9/6
3 total stops
46h 40m total
Boston to Southampton

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£97 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Boston to Southampton

Cheapest flights from Boston to Southampton
Explore the most affordable flight options available from Boston to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Tue 22/418:40BOS - SOU

1 stop9h 05mDelta

Tue 29/417:35SOU - BOS

1 stop25h 05mDelta

Deal found 14/4£576

Mon 5/518:35BOS - SOU

1 stop9h 15mKLM

Tue 13/517:35SOU - BOS

1 stop29h 45mKLM

Deal found 15/4£577

Mon 5/516:35BOS - SOU

2 stops21h 55mMultiple Airlines

Tue 13/509:10SOU - BOS

2 stops15h 45mMultiple Airlines

Deal found 15/4£592

Mon 2/619:40BOS - SOU

2 stops18h 50mAer Lingus

Tue 17/620:00SOU - BOS

2 stops29h 05mAer Lingus

Deal found 14/4£670

Mon 2/620:15BOS - SOU

1 stop15h 45mVirgin Atlantic

Tue 17/609:20SOU - BOS

1 stop14h 00mVirgin Atlantic

Deal found 14/4£722

Sat 31/517:30BOS - SOU

1 stop10h 05mBritish Airways

Tue 3/612:30SOU - BOS

2 stops15h 05mBritish Airways

Deal found 15/4£1,633

Best flights from Boston to Southampton
Discover carefully curated flight deals from Boston to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Wed 6/816:50BOS - SOU

1 stop10h 55mDelta

Wed 20/809:20SOU - BOS

1 stop12h 15mDelta

Deal found 14/4£576

Mon 5/518:35BOS - SOU

1 stop9h 15mKLM

Tue 13/517:35SOU - BOS

1 stop29h 45mKLM

Deal found 15/4£577

Mon 5/516:35BOS - SOU

2 stops21h 55mMultiple Airlines

Tue 13/509:10SOU - BOS

2 stops15h 45mMultiple Airlines

Deal found 15/4£592

Mon 2/619:40BOS - SOU

2 stops18h 50mAer Lingus

Tue 17/620:00SOU - BOS

2 stops29h 05mAer Lingus

Deal found 14/4£670

Mon 2/620:15BOS - SOU

1 stop15h 45mVirgin Atlantic

Tue 17/609:20SOU - BOS

1 stop14h 00mVirgin Atlantic

Deal found 14/4£722

Sat 31/517:30BOS - SOU

1 stop10h 05mBritish Airways

Tue 3/612:30SOU - BOS

2 stops15h 05mBritish Airways

Deal found 15/4£1,633

Last-minute flights from Boston to Southampton
Discover last-minute flight deals from Boston to Southampton. Data last updated 15 April 2025 and is based on user searches.

Mon 21/419:36BOS - SOU

2 stops56h 04mAer Lingus

Sat 26/416:25SOU - BOS

2 stops43h 50mAer Lingus

Deal found 14/4£873

Mon 21/417:50BOS - SOU

2 stops20h 20mMultiple Airlines

Sat 26/418:50SOU - BOS

3 stops34h 55mMultiple Airlines

Deal found 14/4£1,154

Mon 21/416:45BOS - SOU

1 stop11h 05mKLM

Sat 26/417:35SOU - BOS

1 stop27h 50mKLM

Deal found 14/4£1,471

Tue 22/418:40BOS - SOU

1 stop9h 05mDelta

Tue 29/417:35SOU - BOS

1 stop25h 05mDelta

Deal found 14/4£576

Mon 5/518:35BOS - SOU

1 stop9h 15mKLM

Tue 13/517:35SOU - BOS

1 stop29h 45mKLM

Deal found 15/4£577

Mon 5/516:35BOS - SOU

2 stops21h 55mMultiple Airlines

Tue 13/509:10SOU - BOS

2 stops15h 45mMultiple Airlines

Deal found 15/4£592

Thu 29/507:25BOS - SOU

2 stops20h 15mAer Lingus

Thu 5/620:00SOU - BOS

1 stop23h 40mAer Lingus

Deal found 13/4£766

Sat 31/517:30BOS - SOU

1 stop10h 05mBritish Airways

Tue 3/612:30SOU - BOS

2 stops15h 05mBritish Airways

Deal found 15/4£1,633

One-way flights from Boston to Southampton
Search for one-way flight options from Boston to Southampton. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Mon 9/615:50BOS - SOU

3 stops46h 40mMultiple Airlines

Deal found 13/4£259

Tue 13/520:15BOS - SOU

1 stop15h 45mDelta

Deal found 15/4£325

Mon 9/621:25BOS - SOU

1 stop17h 05mAer Lingus

Deal found 13/4£349

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 6/8

16:50-08:45

1 stop10h 55m

Southampton Eastleigh

Wed 20/8

09:20-16:35

1 stop12h 15m

£576

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 5/5

18:35-08:50

1 stop9h 15m

Southampton Eastleigh

Tue 13/5

17:35-18:20

1 stop29h 45m

£577

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 5/5

16:35-19:30

2 stops21h 55m

Southampton Eastleigh

Tue 13/5

09:10-19:55

2 stops15h 45m

£592

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 2/6

19:40-19:30

2 stops18h 50m

Southampton Eastleigh

Tue 17/6

20:00-20:05

2 stops29h 05m

£670

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 2/6

20:15-17:00

1 stop15h 45m

Southampton Eastleigh

Tue 17/6

09:20-18:20

1 stop14h 00m

£722

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 31/5

17:30-08:35

1 stop10h 05m

Southampton Eastleigh

Tue 3/6

12:30-22:35

2 stops15h 05m

£1,633

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 9/6

15:50-19:30

3 stops46h 40m

£259

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 13/5

20:15-17:00

1 stop15h 45m

£325

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 9/6

21:25-19:30

1 stop17h 05m

£349

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Best time to book a flight from Boston to Southampton

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

Cheapflights Insights

Everything you need to know about your flight from Boston to Southampton

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

Currently, September is the cheapest month in which you can book a flight from Boston to Southampton (average of £203). Flying from Boston to Southampton in November is currently the most expensive (average of £262). 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.

Rainfall in Southampton by month

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Temperature in Southampton by month

If weather is an important factor for your trip to Southampton, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Southampton

To help decide which airline to fly from Boston to Southampton, see what other customers have to say about Delta, KLM and Virgin Atlantic. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,918 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.0

Good

1,063 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways

6.6

Okay

6,760 reviews

Delta

8.0

Very Good

7,918 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Boston to Southampton round-trip?
Currently priced at £576, Delta will fly you from Boston to Southampton and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Aer Lingus - these airlines can fly you to your destination from £577 and £670, respectively. Delta is currently priced 21% below the average price you’ll pay for this route.
Can I find deals for flights from Boston to Southampton that include hotel bookings?
Yes. In addition to deals on Boston to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Boston to Southampton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Southampton.
Can I find deals for business class flights from Boston to Southampton?
Yes. Cheapflights offers flight deals from Boston to Southampton 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 Boston to Southampton?
Currently, September is the cheapest month in which you can book a flight from Boston to Southampton (average of £203). Flying from Boston to Southampton in November is currently the most expensive (average of £262). 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

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How does Cheapflights help users find flights from Boston to Southampton?

Cheapflights makes it easy to find Boston to Southampton flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston to Southampton?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Southampton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Southampton from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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Cheap flights from Boston to Southampton from £259

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to Southampton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Southampton

Cheapest flights from Boston to SouthamptonExplore the most affordable flight options available from Boston to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Explore the most affordable flight options available from Boston to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Southampton that are best for you.

Best time to book a flight from Boston to Southampton

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

Cheapflights Insights

Everything you need to know about your flight from Boston to Southampton

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

Rainfall in Southampton by month

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

Temperature in Southampton by month

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

Reviews of airlines servicing Southampton

To help decide which airline to fly from Boston to Southampton, see what other customers have to say about Delta, KLM and Virgin Atlantic. Users have also rated airlines 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 Boston to Southampton. 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 flying from Boston to Southampton round-trip?

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

How can I find direct flights from Boston to Southampton?

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

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

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 Boston to Southampton

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

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 Boston to Southampton?

Why should you use Cheapflights to find cheap flight tickets from Boston to Southampton?

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boston to Southampton
Explore the most affordable flight options available from Boston to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.