$349+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
May 23 — May 301
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 April 23, 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 April 23, 2026.
This Mytrip deal was found by Cheapflights users on 4/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:50 am
BOS
- SOU
3 stops32h 40m
Multiple Airlines
Wed 6/103:35 pm
SOU
- BOS
2 stops23h 10m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$912
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Sat 8/15:25 pm
BOS
- SOU
1 stop10h 10m
Multiple Airlines
Thu 8/276:50 am
SOU
- BOS
2 stops19h 25m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$965
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Tue 8/45:25 pm
BOS
- SOU
1 stop9h 40m
Multiple Airlines
Tue 8/188:00 pm
SOU
- BOS
2 stops28h 41m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$974
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:00 pm
BOS
- SOU
2 stops15h 30m
Multiple Airlines
Fri 5/86:25 pm
SOU
- BOS
3 stops32h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$992
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Wed 8/59:15 pm
BOS
- SOU
1 stop17h 15m
Multiple Airlines
Sun 8/168:00 pm
SOU
- BOS
2 stops28h 41m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,012
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:35 am
BOS
- SOU
2 stops27h 55m
Multiple Airlines
Wed 5/273:35 pm
SOU
- BOS
2 stops23h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,016
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/511:35 pm
BOS
- SOU
1 stop28h 00m
Multiple Airlines
Fri 6/128:00 pm
SOU
- BOS
2 stops42h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,019
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 April 23, 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 April 23, 2026.
This Delta deal was found by Cheapflights users on 4/19. 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.
Fri 8/148:25 pm
BOS
- SOU
1 stop15h 35m
Delta
Fri 9/49:05 am
SOU
- BOS
1 stop12h 30m
Delta
Deal found 4/19![Delta logo]()
$1,037
This KLM deal was found by Cheapflights users on 4/18. 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 10/64:45 pm
BOS
- SOU
1 stop19h 05m
KLM
Sun 10/185:20 pm
SOU
- BOS
1 stop28h 16m
KLM
Deal found 4/18![KLM logo]()
$1,037
This Delta deal was found by Cheapflights users on 4/22. 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 10/31:10 pm
BOS
- SOU
2 stops22h 40m
Delta
Fri 10/99:05 am
SOU
- BOS
1 stop12h 31m
Delta
Deal found 4/22![Delta logo]()
$1,041
This KLM deal was found by Cheapflights users on 4/20. 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.
Sat 8/18:25 pm
BOS
- SOU
1 stop31h 20m
KLM
Thu 8/279:15 am
SOU
- BOS
1 stop12h 22m
KLM
Deal found 4/20![KLM logo]()
$1,041
Last-minute flights from Boston to SouthamptonDiscover last-minute flight deals from Boston to Southampton. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Southampton. Data last updated April 23, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 4/18. 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 4/245:25 pm
BOS
- SOU
1 stop21h 05m
Aer Lingus
Sun 5/179:20 am
SOU
- BOS
1 stop17h 40m
Aer Lingus
Deal found 4/18![Aer Lingus logo]()
$1,271
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:00 pm
BOS
- SOU
2 stops15h 30m
Multiple Airlines
Fri 5/86:25 pm
SOU
- BOS
3 stops32h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$992
This KLM deal was found by Cheapflights users on 4/20. 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.
Fri 5/18:25 pm
BOS
- SOU
1 stop15h 25m
KLM
Fri 5/89:05 am
SOU
- BOS
1 stop12h 20m
KLM
Deal found 4/20![KLM logo]()
$1,041
This Delta deal was found by Cheapflights users on 4/20. 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.
Fri 5/111:11 am
BOS
- SOU
2 stops16h 34m
Delta
Fri 5/89:05 am
SOU
- BOS
1 stop14h 25m
Delta
Deal found 4/20![Delta logo]()
$1,046
This Delta deal was found by Cheapflights users on 4/18. 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 5/169:00 am
BOS
- SOU
2 stops18h 45m
Delta
Sat 5/235:20 pm
SOU
- BOS
1 stop28h 05m
Delta
Deal found 4/18![Delta logo]()
$1,204
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:35 am
BOS
- SOU
2 stops27h 55m
Multiple Airlines
Wed 5/273:35 pm
SOU
- BOS
2 stops23h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,016
This Delta deal was found by Cheapflights users on 4/20. 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 5/209:05 am
BOS
- SOU
2 stops18h 30m
Delta
Wed 5/279:05 am
SOU
- BOS
1 stop12h 20m
Delta
Deal found 4/20![Delta logo]()
$1,167
This KLM deal was found by Cheapflights users on 4/20. 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 5/204:35 pm
BOS
- SOU
1 stop11h 00m
KLM
Wed 5/279:05 am
SOU
- BOS
1 stop12h 20m
KLM
Deal found 4/20![KLM logo]()
$1,313
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 April 23, 2026.
Search for one-way flight options from Boston to Southampton. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/188:50 pm
BOS
- SOU
3 stops41h 10m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$349
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/155:45 pm
BOS
- SOU
2 stops20h 45m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 4/22. 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 5/38:25 pm
BOS
- SOU
1 stop31h 10m
Delta
Deal found 4/22![Delta logo]()
$542
This Delta deal was found by Cheapflights users on 4/22. 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 5/28:59 pm
BOS
- SOU
2 stops30h 36m
Delta
Deal found 4/22![Delta logo]()
$559
This KLM deal was found by Cheapflights users on 4/21. 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 5/188:25 pm
BOS
- SOU
1 stop31h 10m
KLM
Deal found 4/21![KLM logo]()
$561
This KAYAK deal was found by Cheapflights users on 4/19. 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 5/49:15 pm
BOS
- SOU
1 stop29h 50m
Aer Lingus
Deal found 4/19![Aer Lingus logo]()
$578
This Delta deal was found by Cheapflights users on 4/22. 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 5/18:25 pm
BOS
- SOU
1 stop31h 20m
Delta
Deal found 4/22![Delta logo]()
$592
This KLM deal was found by Cheapflights users on 4/21. 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 5/158:25 pm
BOS
- SOU
1 stop31h 20m
KLM
Deal found 4/21![KLM logo]()
$621
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $912 (Mytrip) |
One-way from | $349 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $628 |
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 April 23, 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
Quickest round-trip
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Fri 8/14
8:25 pm-5:00 pm
1 stop15h 35m
Southampton Eastleigh
Fri 9/4
9:05 am-4:35 pm
1 stop12h 30m
$1,037
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Tue 10/6
4:45 pm-4:50 pm
1 stop19h 05m
Southampton Eastleigh
Sun 10/18
5:20 pm-4:36 pm
1 stop28h 16m
$1,037
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Sat 10/3
1:10 pm-4:50 pm
2 stops22h 40m
Southampton Eastleigh
Fri 10/9
9:05 am-4:36 pm
1 stop12h 31m
$1,041
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Sat 8/1
8:25 pm-8:45 am
1 stop31h 20m
Southampton Eastleigh
Thu 8/27
9:15 am-4:37 pm
1 stop12h 22m
$1,041
Cheapest one-way
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Mon 5/18
8:50 pm-7:00 pm
3 stops41h 10m
$349
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Fri 5/15
8:05 pm-7:55 am
3 stops30h 50m
$541
Quickest one-way
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Wed 5/6
4:35 pm-8:35 am
1 stop11h 00m
$542
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Sun 5/3
8:25 pm-8:35 am
1 stop31h 10m
$542
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Mon 5/4
4:35 pm-8:35 am
1 stop11h 00m
$542
BostonSouthampton
BOS - SOU
BOSSOU
Boston Logan Intl
Mon 5/18
8:25 pm-8:35 am
1 stop31h 10m
$561
Showing 1-10 of 16 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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 April 23, 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.
Entertainment
7.0
Overall
7.3
Boarding
7.4
Food
6.6
Comfort
7.2
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
Entertainment
7.0
Overall
7.3
Boarding
7.4
Food
6.6
Comfort
7.2
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
SFO - DUB
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.
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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.
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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 April 23, 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 April 23, 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 April 23, 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$698 | Average$943 | FlexibilityNo cancel fee | On-timeN/A |