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Cheap flights from Boston to Southampton from £311

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
27 2월 — 6 3월1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Southampton

Enter your travel dates to find the best prices.

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 28 1월 2026.

화 27/119:10
BOS
-
SOU
1 stop16h 55m
KLM
화 3/209:25
SOU
-
BOS
1 stop33h 00m
KLM
Deal found 26/1£493
일 6/916:40
BOS
-
SOU
1 stop10h 55m
Delta
목 17/909:05
SOU
-
BOS
1 stop12h 30m
Delta
Deal found 26/1£503
토 5/920:25
BOS
-
SOU
1 stop15h 25m
Delta
수 16/909:05
SOU
-
BOS
1 stop12h 30m
Delta
Deal found 26/1£539
목 12/306:00
BOS
-
SOU
2 stops22h 20m
Delta
목 19/308:50
SOU
-
BOS
2 stops19h 03m
Delta
Deal found 26/1£547
금 1/517:25
BOS
-
SOU
1 stop10h 15m
Aer Lingus
수 6/509:10
SOU
-
BOS
1 stop14h 40m
Aer Lingus
Deal found 26/1£548
일 6/916:40
BOS
-
SOU
1 stop10h 55m
Delta
화 15/909:05
SOU
-
BOS
1 stop12h 30m
Delta
Deal found 26/1£550
금 1/520:25
BOS
-
SOU
1 stop15h 25m
Delta
화 5/509:05
SOU
-
BOS
1 stop12h 28m
Delta
Deal found 27/1£553
금 1/520:25
BOS
-
SOU
1 stop15h 25m
Virgin Atlantic
수 6/509:05
SOU
-
BOS
2 stops19h 35m
Virgin Atlantic
Deal found 26/1£557
금 1/520:25
BOS
-
SOU
1 stop15h 25m
Delta
수 6/509:05
SOU
-
BOS
2 stops18h 57m
Delta
Deal found 27/1£560
토 5/920:25
BOS
-
SOU
1 stop15h 25m
Delta
월 14/909:05
SOU
-
BOS
1 stop12h 30m
Delta
Deal found 26/1£576

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 28 1월 2026.

Round-trip from

£547

One-way from

£311

Popular in

June

Cheapest in

October

Average price

£411
Delta
  • Delta
  • 12/3-19/3
  • 4 total stops
  • 41h 23m total
  • Boston to Southampton
Search Deals
Delta
  • Delta
  • 2/2
  • 1 total stop
  • 16h 55m total
  • Boston to Southampton
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 28 1월 2026.
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

목 12/3

06:00-08:20

2 stops22h 20m

Southampton Eastleigh

목 19/3

08:50-23:53

2 stops19h 03m

£547

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

금 1/5

17:25-08:40

1 stop10h 15m

Southampton Eastleigh

수 6/5

09:10-18:50

1 stop14h 40m

£548

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

금 1/5

20:25-16:50

1 stop15h 25m

Southampton Eastleigh

수 6/5

17:20-16:33

1 stop28h 13m

£553

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

금 1/5

20:25-16:50

1 stop15h 25m

Southampton Eastleigh

수 6/5

09:05-23:40

2 stops19h 35m

£557

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

목 12/3

20:10-17:00

1 stop16h 50m

Southampton Eastleigh

목 19/3

18:05-19:55

1 stop29h 50m

£686

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

토 2/5

16:35-08:45

1 stop11h 10m

Southampton Eastleigh

화 5/5

09:05-19:38

2 stops15h 33m

£750

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

월 8/6

23:30-19:30

1 stop15h 00m

Southampton Eastleigh

월 15/6

20:00-18:50

1 stop27h 50m

£755

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

목 30/4

16:35-08:35

1 stop11h 00m

Southampton Eastleigh

수 6/5

09:05-16:33

1 stop12h 28m

£769

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

목 30/4

16:35-08:35

1 stop11h 00m

Southampton Eastleigh

화 5/5

09:05-16:33

1 stop12h 28m

£769

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

월 2/2

19:10-17:05

1 stop16h 55m

£311

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 18 results
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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 return 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, April is the cheapest month in which you can book a flight from Boston to Southampton (average of £159). Flying from Boston to Southampton in June is currently the most expensive (average of £408). 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.

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 10h 15m. The distance from Boston to Southampton is about 3228 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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, April is the cheapest month in which you can book a flight from Boston to Southampton (average of £159). Flying from Boston to Southampton in June is currently the most expensive (average of £408). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Southampton?

Cheapflights makes it easy to find Boston to Southampton flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston to Southampton?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Southampton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to Southampton with no change fees?

Need flexible booking options for your flight to Southampton from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Southampton become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Southampton on Cheapflights with our Price Alert feature and get notified when better prices are available.

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