$374+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Southampton with Cheapflights
1. Tell us where you want to go
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
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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 August 25, 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 August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mon 10/55:25 pm -
1 stop10h 15m
Tue 10/201:25 pm -
2 stops36h 40m
Deal found 8/20![Multiple Airlines logo]()
$687
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/168:50 pm -
2 stops17h 05m
Sun 11/19:20 am -
1 stop14h 35m
Deal found 8/21![Multiple Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 10/169:15 pm -
1 stop17h 15m
Sun 11/19:20 am -
1 stop14h 35m
Deal found 8/21![Aer Lingus logo]()
$729
This Mytrip deal was found by Cheapflights users on 8/24. 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.
Tue 10/610:50 am -
2 stops27h 40m
Tue 10/138:00 pm -
2 stops31h 40m
Deal found 8/24![Multiple Airlines logo]()
$808
This Kissandfly.com deal was found by Cheapflights users on 8/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:15 pm -
1 stop17h 15m
Tue 10/209:15 am -
1 stop14h 35m
Deal found 8/20![Aer Lingus logo]()
$813
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 August 25, 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 August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/65:25 pm -
2 stops11h 50m
Tue 10/139:15 am -
1 stop10h 40m
Deal found 8/24![Multiple Airlines logo]()
$866
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:25 pm -
1 stop9h 40m
Tue 10/139:15 am -
1 stop10h 40m
Deal found 8/22![Aer Lingus logo]()
$873
This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 11/29:15 am -
2 stops17h 55m
Fri 11/278:40 am -
1 stop10h 33m
Deal found 8/20![Delta logo]()
$1,124
This Mytrip deal was found by Cheapflights users on 8/23. 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 10/74:55 pm -
2 stops21h 35m
Wed 10/148:00 pm -
2 stops29h 20m
Deal found 8/23![Multiple Airlines logo]()
$1,065
This Delta deal was found by Cheapflights users on 8/20. 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.
Mon 11/29:15 am -
2 stops17h 55m
Wed 11/255:30 pm -
1 stop25h 43m
Deal found 8/20![Delta logo]()
$1,124
This Cheapflightsfares deal was found by Cheapflights users on 8/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:00 pm -
2 stops14h 05m
Sun 10/189:20 am -
1 stop10h 35m
Deal found 8/22![Aer Lingus logo]()
$1,126
This KAYAK deal was found by Cheapflights users on 8/25. 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.
Sun 9/205:25 pm -
1 stop10h 15m
Thu 9/248:00 pm -
1 stop23h 55m
Deal found 8/25![Aer Lingus logo]()
$1,268
Last-minute flights from Boston to SouthamptonDiscover last-minute flight deals from Boston to Southampton. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Southampton. Data last updated August 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Mon 8/245:25 pm -
1 stop10h 15m
Wed 8/2610:45 am -
2 stops37h 05m
Deal found 8/20![Multiple Airlines logo]()
$1,287
This KLM deal was found by Cheapflights users on 8/20. 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.
Mon 8/244:45 pm -
1 stop11h 00m
Wed 8/269:15 am -
1 stop12h 22m
Deal found 8/20![KLM logo]()
$1,334
This Mytrip deal was found by Cheapflights users on 8/23. 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.
Thu 8/274:55 pm -
3 stops35h 50m
Sat 8/298:00 pm -
2 stops24h 40m
Deal found 8/23![Multiple Airlines logo]()
$1,433
This KLM deal was found by Cheapflights users on 8/23. 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.
Thu 8/274:45 pm -
1 stop11h 00m
Sat 8/299:15 am -
1 stop12h 22m
Deal found 8/23![KLM logo]()
$1,435
This KAYAK deal was found by Cheapflights users on 8/25. 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.
Sun 9/205:25 pm -
1 stop10h 15m
Thu 9/248:00 pm -
1 stop23h 55m
Deal found 8/25![Aer Lingus logo]()
$1,268
This KAYAK deal was found by Cheapflights users on 8/20. 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.
Wed 9/235:25 pm -
1 stop21h 05m
Mon 9/289:20 am -
1 stop10h 35m
Deal found 8/20![Aer Lingus logo]()
$1,793
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 August 25, 2026.
Search for one-way flight options from Boston to Southampton. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Wed 9/2310:55 pm -
1 stop28h 50m
Deal found 8/20![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Tue 9/2210:05 am -
2 stops28h 25m
Deal found 8/20![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Tue 9/229:15 pm -
1 stop17h 15m
Deal found 8/20![Aer Lingus logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/2410:55 pm -
3 stops31h 50m
Deal found 8/20![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/249:15 pm -
1 stop30h 25m
Deal found 8/20![Aer Lingus logo]()
$428
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 9/94:40 pm -
1 stop19h 10m
Deal found 8/22![Delta logo]()
$573
This Delta deal was found by Cheapflights users on 8/22. 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.
Thu 9/104:40 pm -
1 stop10h 55m
Deal found 8/22![Delta logo]()
$623
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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $687 (Kiwi.com) |
One-way from | $374 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $760 |
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 7,457,451 searches. Data last updated August 25, 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 Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Tue 10/6
5:25 pm-10:15 am
2 stops11h 50m
Southampton Eastleigh
Tue 10/13
9:15 am-2:55 pm
1 stop10h 40m
$866
Quickest round-trip
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Tue 10/6
5:25 pm-8:05 am
1 stop9h 40m
Southampton Eastleigh
Tue 10/13
9:15 am-2:55 pm
1 stop10h 40m
$873
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Wed 10/7
4:55 pm-7:30 pm
2 stops21h 35m
Southampton Eastleigh
Wed 10/14
8:00 pm-8:20 pm
2 stops29h 20m
$1,065
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Mon 11/2
9:15 am-8:10 am
2 stops17h 55m
Southampton Eastleigh
Fri 11/27
8:40 am-2:13 pm
1 stop10h 33m
$1,124
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Mon 11/2
9:15 am-8:10 am
2 stops17h 55m
Southampton Eastleigh
Wed 11/25
5:30 pm-2:13 pm
1 stop25h 43m
$1,124
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Tue 10/6
1:00 pm-8:05 am
2 stops14h 05m
Southampton Eastleigh
Sun 10/18
9:20 am-2:55 pm
1 stop10h 35m
$1,126
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Sun 9/20
5:25 pm-8:40 am
1 stop10h 15m
Southampton Eastleigh
Thu 9/24
8:00 pm-2:55 pm
1 stop23h 55m
$1,268
Cheapest one-way
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Thu 9/24
9:15 pm-9:25 am
2 stops55h 10m
$403
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Tue 9/22
9:15 pm-7:30 pm
1 stop17h 15m
$406
BostonSouthampton
BOS Boston Logan Intl - SOU Southampton Eastleigh
BOSSOU
Boston Logan Intl
Wed 9/23
5:25 pm-11:05 am
2 stops12h 40m
$408
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 August.
| 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 August 25, 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.
Boarding
7.5
Comfort
7.2
Crew
8.1
Entertainment
7.0
Food
6.7
Overall
7.3
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
BOS - SNN
Boarding
7.5
Comfort
7.2
Crew
8.1
Entertainment
7.0
Food
6.7
Overall
7.3
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.
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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
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Boston and Southampton flights
Browse other Boston and Southampton flight options. Last updated on August 25, 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 August 25, 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 August 25, 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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$698 | Average$943 | FlexibilityNo cancel fee | On-timeN/A |