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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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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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 November 12, 2025.

This Mytrip deal was found by Cheapflights users on 11/12. 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.
Sun 11/1610:45 amBOS - SOU
2 stops27h 55mMultiple Airlines
Tue 11/188:10 pmSOU - BOS
3 stops30h 17mMultiple Airlines
Deal found 11/12$754
This KLM deal was found by Cheapflights users on 11/10. 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.
Sun 12/78:50 pmBOS - SOU
1 stop15h 35mKLM
Sun 12/149:30 amSOU - BOS
1 stop14h 25mKLM
Deal found 11/10$768
This KLM deal was found by Cheapflights users on 11/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:10 pmBOS - SOU
1 stop32h 00mKLM
Tue 11/185:30 pmSOU - BOS
1 stop30h 25mKLM
Deal found 11/12$792
This Trip.com deal was found by Cheapflights users on 11/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:10 pmBOS - SOU
1 stop10h 35mAer Lingus
Mon 11/179:30 amSOU - BOS
1 stop14h 25mAer Lingus
Deal found 11/11$810
This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:10 pmBOS - SOU
1 stop10h 35mMultiple Airlines
Mon 11/176:05 pmSOU - BOS
3 stops29h 50mMultiple Airlines
Deal found 11/11$841
This KAYAK deal was found by Cheapflights users on 11/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:20 pmBOS - SOU
1 stop13h 15mAer Lingus
Mon 12/18:10 pmSOU - BOS
1 stop27h 45mAer Lingus
Deal found 11/11$1,308

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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$733
(KLM)

One-way from

$371
(Delta)

Popular in

June

Cheapest in

October

Average price

$580
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 ($104 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 November 2025
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 November 12, 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

Sun 11/16

10:45 am-7:40 pm

2 stops27h 55m

Southampton Eastleigh

Tue 11/18

8:10 pm-9:27 pm

3 stops30h 17m

$754

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 12/7

8:50 pm-5:25 pm

1 stop15h 35m

Southampton Eastleigh

Sun 12/14

9:30 am-6:55 pm

1 stop14h 25m

$768

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 11/16

7:10 pm-8:10 am

1 stop32h 00m

Southampton Eastleigh

Tue 11/18

5:30 pm-6:55 pm

1 stop30h 25m

$792

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 11/15

5:10 pm-8:45 am

1 stop10h 35m

Southampton Eastleigh

Mon 11/17

6:05 pm-6:55 pm

3 stops29h 50m

$841

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 1/5

9:15 pm-11:55 am

1 stop9h 40m

Southampton Eastleigh

Fri 1/9

8:10 pm-1:55 pm

1 stop22h 45m

$867

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 1/4

9:20 pm-7:40 pm

1 stop17h 20m

Southampton Eastleigh

Sat 1/10

9:30 am-6:59 pm

1 stop14h 29m

$869

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 1/1

9:20 pm-8:45 am

1 stop30h 25m

Southampton Eastleigh

Wed 1/7

12:25 pm-1:55 pm

1 stop30h 30m

$911

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 11/15

1:42 pm-8:45 am

2 stops14h 03m

Southampton Eastleigh

Mon 11/17

4:05 pm-1:55 pm

1 stop26h 50m

$933

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 2/2

7:10 pm-5:00 pm

1 stop16h 50m

$371

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 2/4

8:50 pm-5:00 pm

1 stop15h 10m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 16 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Southampton flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, August is the cheapest month in which you can book a flight from Boston to Southampton (average of $311). 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.

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 November 12, 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 13% on your trip compared to booking a flight in the afternoon.

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 November 12, 2025.
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
8,008 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

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
1,370 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

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 15h 35m. 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 $666 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, August is the cheapest month in which you can book a flight from Boston to Southampton (average of $311). 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

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Alternative routes for Boston to Southampton

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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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$666Average$1,036FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$763Average$995FlexibilityNo cancel feeOn-timeN/A

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