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$260+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$529
(Mytrip)

One-way from

$260
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,010
From Boston Logan Intl to Southampton Eastleigh
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One-way flight from Boston Logan Intl to Southampton Eastleigh
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Highest demand for flights based on searches. 10% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:30 pmBOS - SOU
1 stop9h 45mAer Lingus
Tue 10/79:10 amSOU - BOS
1 stop14h 35mAer Lingus
Deal found 8/12$529
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:35 pmBOS - SOU
2 stops14h 55mMultiple Airlines
Tue 10/79:10 amSOU - BOS
2 stops17h 50mMultiple Airlines
Deal found 8/12$546
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:30 pmBOS - SOU
1 stop10h 05mAer Lingus
Sat 10/49:40 amSOU - BOS
1 stop14h 05mAer Lingus
Deal found 8/13$584
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:25 pmBOS - SOU
1 stop14h 10mAer Lingus
Fri 9/129:40 amSOU - BOS
1 stop14h 05mAer Lingus
Deal found 8/14$688
This KLM deal was found by Cheapflights users on 8/14. 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 9/104:50 pmBOS - SOU
1 stop19h 10mKLM
Fri 9/129:20 amSOU - BOS
2 stops14h 45mKLM
Deal found 8/14$731
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amBOS - SOU
2 stops32h 30mMultiple Airlines
Fri 9/127:25 pmSOU - BOS
2 stops29h 55mMultiple Airlines
Deal found 8/14$754
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/265:30 pmBOS - SOU
1 stop17h 15mMultiple Airlines
Fri 10/37:25 pmSOU - BOS
2 stops29h 55mMultiple Airlines
Deal found 8/11$766
This KLM deal was found by Cheapflights users on 8/11. 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.
Fri 9/268:15 pmBOS - SOU
1 stop16h 15mKLM
Fri 10/35:35 pmSOU - BOS
1 stop27h 55mKLM
Deal found 8/11$774
This Virgin Atlantic deal was found by Cheapflights users on 8/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:50 pmBOS - SOU
1 stop15h 10mVirgin Atlantic
Sun 11/239:30 amSOU - BOS
1 stop14h 25mVirgin Atlantic
Deal found 8/12$775

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 August 14, 2025.
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

Mon 9/22

5:30 pm-8:15 am

1 stop9h 45m

Southampton Eastleigh

Tue 10/7

9:10 am-6:45 pm

1 stop14h 35m

$529

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 9/22

11:35 pm-7:30 pm

2 stops14h 55m

Southampton Eastleigh

Tue 10/7

9:10 am-10:00 pm

2 stops17h 50m

$546

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 9/27

5:30 pm-8:35 am

1 stop10h 05m

Southampton Eastleigh

Sat 10/4

9:40 am-6:45 pm

1 stop14h 05m

$584

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 9/10

9:25 pm-4:35 pm

1 stop14h 10m

Southampton Eastleigh

Fri 9/12

9:40 am-6:45 pm

1 stop14h 05m

$688

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 9/10

4:50 pm-5:00 pm

1 stop19h 10m

Southampton Eastleigh

Fri 9/12

9:20 am-7:05 pm

2 stops14h 45m

$731

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 9/27

9:25 pm-7:30 am

2 stops29h 05m

Southampton Eastleigh

Sat 10/4

9:40 am-6:45 pm

1 stop14h 05m

$754

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 9/10

6:00 am-7:30 pm

2 stops32h 30m

Southampton Eastleigh

Fri 9/12

7:25 pm-8:20 pm

2 stops29h 55m

$754

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 9/26

5:30 pm-3:45 pm

1 stop17h 15m

Southampton Eastleigh

Fri 10/3

7:25 pm-8:20 pm

2 stops29h 55m

$766

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 9/26

8:15 pm-5:30 pm

1 stop16h 15m

Southampton Eastleigh

Fri 10/3

5:35 pm-4:30 pm

1 stop27h 55m

$774

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 10/13

11:35 pm-8:05 am

2 stops27h 30m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 14 results
1
2

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, November is the cheapest month in which you can book a flight from Boston to Southampton (average of $787). Flying from Boston to Southampton in June is currently the most expensive (average of $1,308). 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 BOS to SOU?

Find hourly flight availability from Boston to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Southampton in the morning. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight at noon.

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 August 14, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, 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
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,214 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Our cheapest airline available from Boston to Southampton is Delta. Our recent data shows that you can find tickets from as low as $666 on this airline. Additional options worth looking into are KLM and Aer Lingus, starting at $743 and $763 round-trip. These flights start at 31% lower than the current average price 3 months from now.

  • 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, November is the cheapest month in which you can book a flight from Boston to Southampton (average of $787). Flying from Boston to Southampton in June is currently the most expensive (average of $1,308). 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

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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 3 airlines flying from Boston to Southampton

Discover the top 3 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$666Average$1,024FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$743Average$878FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$763Average$1,058FlexibilityNo cancel feeOn-timeN/A

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