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$371+ Cheap flights from Boston (BOS) to Southampton (SOU)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:25 pm
BOS
-
SOU
1 stop15h 25m
KLM
Mon 10/195:20 pm
SOU
-
BOS
1 stop28h 20m
KLM
Deal found 1/20$689
This KLM deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:25 pm
BOS
-
SOU
1 stop15h 25m
KLM
Mon 10/195:20 pm
SOU
-
BOS
1 stop28h 20m
KLM
Deal found 1/19$690
This KLM deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:35 pm
BOS
-
SOU
1 stop11h 00m
KLM
Sun 10/185:20 pm
SOU
-
BOS
1 stop30h 10m
KLM
Deal found 1/20$739
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:55 am
BOS
-
SOU
2 stops17h 40m
Delta
Mon 10/199:05 am
SOU
-
BOS
1 stop12h 35m
Delta
Deal found 1/19$744
This KAYAK deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 pm
BOS
-
SOU
1 stop17h 15m
Aer Lingus
Mon 10/198:00 pm
SOU
-
BOS
1 stop31h 00m
Aer Lingus
Deal found 1/19$798
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:55 am
BOS
-
SOU
2 stops17h 40m
Delta
Mon 10/199:05 am
SOU
-
BOS
2 stops18h 21m
Delta
Deal found 1/20$841
This KAYAK deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:25 pm
BOS
-
SOU
1 stop9h 40m
Aer Lingus
Sun 10/189:10 am
SOU
-
BOS
2 stops28h 08m
Aer Lingus
Deal found 1/20$853
This KAYAK deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:30 pm
BOS
-
SOU
1 stop15h 00m
Multiple Airlines
Mon 10/1912:35 pm
SOU
-
BOS
2 stops14h 25m
Multiple Airlines
Deal found 1/19$870
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:00 pm
BOS
-
SOU
1 stop16h 15m
Multiple Airlines
Tue 8/48:45 pm
SOU
-
BOS
1 stop29h 30m
Multiple Airlines
Deal found 1/20$881
This KAYAK deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:15 pm
BOS
-
SOU
1 stop17h 15m
Aer Lingus
Sun 8/169:10 am
SOU
-
BOS
1 stop10h 45m
Aer Lingus
Deal found 1/19$916
This KAYAK deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:20 pm
BOS
-
SOU
1 stop30h 25m
Aer Lingus
Sun 3/228:10 pm
SOU
-
BOS
1 stop27h 45m
Aer Lingus
Deal found 1/19$924

Find flight deals from Boston to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Southampton (SOU). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$750
(Delta)

One-way from

$500
(KAYAK)

Popular in

June

Cheapest in

October

Average price

$565
Provider with most accurate pricing for Boston Logan Intl-Southampton Eastleigh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Southampton Eastleigh flights.
Search Deals
From Boston Logan Intl to Southampton Eastleigh
Search Deals
One-way flight from Boston Logan Intl to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Southampton 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 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Boston to Southampton that are best for you.

Fly from

Boston

Fly to

Southampton

Route

Depart

Return

Price

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 5/13

8:25 pm-8:35 am

1 stop31h 10m

Southampton Eastleigh

Fri 5/22

9:05 am-6:30 pm

1 stop14h 25m

$750

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 5/14

9:55 am-8:35 am

2 stops17h 40m

Southampton Eastleigh

Fri 5/22

9:05 am-6:30 pm

1 stop14h 25m

$812

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 5/13

8:25 pm-4:50 pm

1 stop15h 25m

Southampton Eastleigh

Sat 5/23

5:20 pm-1:10 pm

1 stop24h 50m

$939

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 3/15

6:10 pm-8:45 am

1 stop10h 35m

Southampton Eastleigh

Wed 3/18

4:05 pm-7:55 pm

1 stop31h 50m

$959

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 7/4

4:40 pm-8:45 am

1 stop11h 05m

Southampton Eastleigh

Tue 7/14

6:05 pm-4:40 pm

1 stop27h 35m

$979

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 7/4

7:30 am-8:45 am

2 stops20h 15m

Southampton Eastleigh

Thu 7/16

9:15 am-4:40 pm

1 stop12h 25m

$983

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 3/1

7:10 pm-8:20 am

1 stop32h 10m

$371

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 3/3

7:10 pm-8:20 am

1 stop32h 10m

$371

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/4

7:10 pm-8:20 am

1 stop32h 10m

$371

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 3/5

10:03 am-5:00 pm

2 stops25h 57m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 15 results
1
2

Compare providers for flights from Boston to Southampton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Southampton in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Southampton flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, April is the cheapest month in which you can book a flight from Boston to Southampton (average of $218). Flying from Boston to Southampton in June is currently the most expensive (average of $561). 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.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with Delta and Aer Lingus from Boston to Southampton to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,439 reviews
Delta
7.9
Good
8,088 reviews

Food

7.2

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Boston to Southampton?

    Departing from Boston to Southampton will take you 31h 10m. The distance between Boston and Southampton is about 3228 mi.

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

    Our cheapest airline available from Boston to Southampton is Delta. Our recent data shows that you can find tickets from as low as $515 on this airline. An additional option worth looking into is Aer Lingus, starting at $763.

  • 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 vacation 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, April is the cheapest month in which you can book a flight from Boston to Southampton (average of $218). Flying from Boston to Southampton in June is currently the most expensive (average of $561). 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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Alternative routes for Boston to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Boston to Southampton

Discover the top 2 airlines that operate flights from Boston to Southampton. 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 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$515Average$1,056FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$763Average$968FlexibilityNo cancel feeOn-timeN/A

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