$345+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
Aug 14 — Aug 211
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Southampton with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Southampton
Cheapest
Best
Last-minute
One-way
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 July 15, 2026.
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 July 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/2111:40 pm
BOS
- SOU
1 stop27h 55m
Multiple Airlines
Fri 8/288:00 pm
SOU
- BOS
2 stops28h 15m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$825
This Trip.com deal was found by Cheapflights users on 7/15. 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.
Fri 8/215:25 pm
BOS
- SOU
1 stop21h 05m
Aer Lingus
Fri 8/289:20 am
SOU
- BOS
1 stop14h 30m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 pm
BOS
- SOU
2 stops33h 40m
Multiple Airlines
Sun 9/69:20 am
SOU
- BOS
1 stop10h 35m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 pm
BOS
- SOU
1 stop10h 15m
Aer Lingus
Sun 9/69:20 am
SOU
- BOS
1 stop10h 35m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$866
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:50 pm
BOS
- SOU
2 stops16h 25m
Multiple Airlines
Mon 11/169:20 am
SOU
- BOS
1 stop14h 35m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$925
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sun 11/15:50 pm
BOS
- SOU
1 stop9h 50m
Aer Lingus
Sat 11/79:20 am
SOU
- BOS
1 stop14h 35m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$929
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sun 11/17:50 pm
BOS
- SOU
2 stops16h 25m
Multiple Airlines
Sat 11/79:20 am
SOU
- BOS
1 stop14h 35m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$944
Best flights from Boston to SouthamptonDiscover carefully curated flight deals from Boston to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 15, 2026.
Discover carefully curated flight deals from Boston to Southampton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 15, 2026.
This Mytrip deal was found by Cheapflights users on 7/14. 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.
Fri 8/2112:30 pm
BOS
- SOU
3 stops26h 00m
Multiple Airlines
Fri 8/289:20 am
SOU
- BOS
2 stops14h 30m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$957
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:15 pm
BOS
- SOU
1 stop17h 15m
Aer Lingus
Sun 10/189:20 am
SOU
- BOS
1 stop14h 30m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$1,080
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:40 pm
BOS
- SOU
1 stop11h 05m
Delta
Mon 9/215:20 pm
SOU
- BOS
1 stop28h 15m
Delta
Deal found 7/13![Delta logo]()
$1,148
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 pm
BOS
- SOU
1 stop15h 05m
Multiple Airlines
Fri 8/711:50 am
SOU
- BOS
2 stops36h 25m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$959
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:25 pm
BOS
- SOU
1 stop10h 15m
Aer Lingus
Fri 8/289:20 am
SOU
- BOS
1 stop14h 30m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$1,110
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:45 pm
BOS
- SOU
1 stop11h 00m
Delta
Mon 8/246:05 pm
SOU
- BOS
1 stop24h 13m
Delta
Deal found 7/13![Delta logo]()
$1,200
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:45 pm
BOS
- SOU
1 stop19h 15m
Delta
Tue 8/116:05 pm
SOU
- BOS
1 stop27h 32m
Delta
Deal found 7/14![Delta logo]()
$1,207
This oojo deal was found by Cheapflights users on 7/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:02 am
BOS
- SOU
2 stops31h 28m
Aer Lingus
Sun 8/165:20 pm
SOU
- BOS
2 stops46h 28m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$1,281
Last-minute flights from Boston to SouthamptonDiscover last-minute flight deals from Boston to Southampton. Data last updated July 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Southampton. Data last updated July 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:35 pm
BOS
- SOU
1 stop15h 05m
Multiple Airlines
Fri 8/711:50 am
SOU
- BOS
2 stops36h 25m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$959
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/2111:40 pm
BOS
- SOU
1 stop27h 55m
Multiple Airlines
Fri 8/288:00 pm
SOU
- BOS
2 stops28h 15m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$825
This Trip.com deal was found by Cheapflights users on 7/15. 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.
Fri 8/215:25 pm
BOS
- SOU
1 stop21h 05m
Aer Lingus
Fri 8/289:20 am
SOU
- BOS
1 stop14h 30m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:00 pm
BOS
- SOU
2 stops33h 40m
Multiple Airlines
Sun 9/69:20 am
SOU
- BOS
1 stop10h 35m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$849
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 pm
BOS
- SOU
1 stop10h 15m
Aer Lingus
Sun 9/69:20 am
SOU
- BOS
1 stop10h 35m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$866
One-way flights from Boston to SouthamptonSearch for one-way flight options from Boston to Southampton. Find affordable one-way fares based on user searches. Data last updated July 15, 2026.
Search for one-way flight options from Boston to Southampton. Find affordable one-way fares based on user searches. Data last updated July 15, 2026.
This Trip.com deal was found by Cheapflights users on 7/11. 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.
Wed 8/268:50 pm
BOS
- SOU
2 stops17h 40m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$345
This KAYAK deal was found by Cheapflights users on 7/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:15 pm
BOS
- SOU
1 stop30h 25m
Aer Lingus
Deal found 7/10![Aer Lingus logo]()
$506
This KAYAK deal was found by Cheapflights users on 7/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:25 pm
BOS
- SOU
1 stop18h 25m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$512
This KAYAK deal was found by Cheapflights users on 7/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:25 pm
BOS
- SOU
1 stop21h 05m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$522
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:05 pm
BOS
- SOU
1 stop17h 30m
Delta
Deal found 7/13![Delta logo]()
$562
This Delta deal was found by Cheapflights users on 7/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:45 pm
BOS
- SOU
1 stop19h 05m
Delta
Deal found 7/11![Delta logo]()
$575
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:30 pm
BOS
- SOU
2 stops41h 05m
Delta
Deal found 7/10![Delta logo]()
$579
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:45 pm
BOS
- SOU
1 stop19h 50m
Delta
Deal found 7/13![Delta logo]()
$612
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 July 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $825 (Kiwi.com) |
One-way from | $345 (Trip.com) |
Popular in | June |
Cheapest in | October |
Average price | $806 |
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 July 15, 2026.
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
Cheapest round-trip
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Fri 8/21
12:30 pm-7:30 pm
3 stops26h 00m
Southampton Eastleigh
Fri 8/28
9:20 am-6:50 pm
2 stops14h 30m
$957
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Thu 7/30
11:35 pm-7:40 pm
1 stop15h 05m
Southampton Eastleigh
Fri 8/7
11:50 am-7:15 pm
2 stops36h 25m
$959
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Tue 10/6
9:15 pm-7:30 pm
1 stop17h 15m
Southampton Eastleigh
Sun 10/18
9:20 am-6:50 pm
1 stop14h 30m
$1,080
Quickest round-trip
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Fri 8/21
5:25 pm-8:40 am
1 stop10h 15m
Southampton Eastleigh
Fri 8/28
9:20 am-6:50 pm
1 stop14h 30m
$1,110
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Fri 9/18
4:40 pm-8:45 am
1 stop11h 05m
Southampton Eastleigh
Mon 9/21
5:20 pm-4:35 pm
1 stop28h 15m
$1,148
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Thu 8/6
4:45 pm-8:45 am
1 stop11h 00m
Southampton Eastleigh
Mon 8/24
6:05 pm-1:18 pm
1 stop24h 13m
$1,200
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Fri 8/7
4:45 pm-5:00 pm
1 stop19h 15m
Southampton Eastleigh
Tue 8/11
6:05 pm-4:37 pm
1 stop27h 32m
$1,207
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Thu 8/6
7:02 am-7:30 pm
2 stops31h 28m
Southampton Eastleigh
Sun 8/16
5:20 pm-10:48 am
2 stops46h 28m
$1,281
Cheapest one-way
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Sat 9/26
9:15 pm-8:40 am
1 stop30h 25m
$506
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Wed 8/5
8:25 pm-5:35 pm
1 stop16h 10m
$562
Showing 1-10 of 17 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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 FlightHub the most. FlightHub 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.
BOS-SOU
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.
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 July 15, 2026.
Peruse reviews from past customers who have flown with 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.
Crew
8.1
Food
6.6
Overall
7.3
Entertainment
7.0
Comfort
7.2
Boarding
7.4
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Crew
8.1
Food
6.6
Overall
7.3
Entertainment
7.0
Comfort
7.2
Boarding
7.4
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
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.
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.
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Alternative routes for Boston to Southampton
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Complete your trip
Complete your trip to Southampton by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Southampton by cabin class
Find flights from Boston to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Southampton flights
Browse other Boston and Southampton flight options. Last updated on July 15, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on July 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Southampton
Explore flights to Southampton departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 15, 2026.
Top airline flying from Boston to Southampton
Discover the top airline 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 July 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$698 | Average$943 | FlexibilityNo cancel fee | On-timeN/A |