Find flights
When to book
FAQs

Cheap flights from Boston to Southampton from £278

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
22 Nov — 29 Nov1
1 adult
1 adult, Economy

Find 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 23 October 2025.

Wed 3/1217:10BOS - SOU
1 stop10h 35mAer Lingus
Sat 6/1209:30SOU - BOS
1 stop14h 25mAer Lingus
Deal found 22/10£440
Fri 5/1221:20BOS - SOU
1 stop30h 25mMultiple Airlines
Fri 12/1219:50SOU - BOS
1 stop30h 05mMultiple Airlines
Deal found 21/10£455
Sat 8/1117:10BOS - SOU
1 stop10h 35mAer Lingus
Thu 13/1109:30SOU - BOS
1 stop14h 25mAer Lingus
Deal found 22/10£470
Sun 9/1117:10BOS - SOU
1 stop10h 35mMultiple Airlines
Fri 21/1119:50SOU - BOS
1 stop30h 05mMultiple Airlines
Deal found 21/10£487
Mon 17/1120:50BOS - SOU
1 stop15h 10mVirgin Atlantic
Mon 24/1118:05SOU - BOS
1 stop24h 15mVirgin Atlantic
Deal found 20/10£500
Mon 17/1113:10BOS - SOU
2 stops14h 00mKLM
Mon 24/1118:05SOU - BOS
1 stop24h 15mKLM
Deal found 20/10£503
Sun 9/1119:10BOS - SOU
1 stop17h 15mDelta
Fri 21/1108:40SOU - BOS
2 stops18h 44mDelta
Deal found 22/10£506

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 23 October 2025.

Round-trip from

£440

One-way from

£278

Popular in

June

Cheapest in

January

Average price

£407
Aer Lingus
  • Aer Lingus
  • 3/12-6/12
  • 2 total stops
  • 25h 00m total
  • Boston to Southampton
Search Deals
Delta
  • Delta
  • 2/12
  • 1 total stop
  • 16h 50m total
  • Boston to Southampton
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 23 October 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

Fri 5/12

21:20-08:45

1 stop30h 25m

Southampton Eastleigh

Fri 12/12

19:50-20:55

1 stop30h 05m

£455

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sat 8/11

17:10-08:45

1 stop10h 35m

Southampton Eastleigh

Thu 13/11

09:30-18:55

1 stop14h 25m

£470

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 9/11

19:10-17:25

1 stop17h 15m

Southampton Eastleigh

Fri 21/11

08:40-22:24

2 stops18h 44m

£506

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 9/11

06:15-17:25

3 stops30h 10m

Southampton Eastleigh

Fri 21/11

20:10-15:57

2 stops24h 47m

£523

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 12/2

05:30-08:25

2 stops21h 55m

Southampton Eastleigh

Mon 23/2

17:30-13:25

1 stop24h 55m

£546

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 13/2

07:00-08:45

2 stops20h 45m

Southampton Eastleigh

Mon 23/2

17:30-13:25

1 stop24h 55m

£546

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 7/12

20:50-17:25

1 stop15h 35m

Southampton Eastleigh

Sun 14/12

09:30-18:55

1 stop14h 25m

£575

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/12

13:10-08:20

2 stops14h 10m

Southampton Eastleigh

Sat 6/12

17:30-13:20

1 stop24h 50m

£599

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 4/12

19:10-17:00

1 stop16h 50m

£278

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 3/12

20:50-17:25

1 stop15h 35m

£278

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 17 results
1
2

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, August is the cheapest month in which you can book a flight from Boston to Southampton (average of £233). Flying from Boston to Southampton in June is currently the most expensive (average of £413). 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 35m. 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, August is the cheapest month in which you can book a flight from Boston to Southampton (average of £233). Flying from Boston to Southampton in June is currently the most expensive (average of £413). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Heathrow flights
Boston to London City flights
Boston to Gatwick flights
Boston to Stansted flights
Boston to Luton flights
Boston to Edinburgh flights
Hartford to Heathrow flights
Boston to Southend flights
Boston to Manchester flights
Hartford to Gatwick flights
Albany to Heathrow flights
Hartford to London City flights
Albany to Gatwick flights
Boston to Birmingham flights
Hartford to Edinburgh flights
Hartford to Luton flights
Hartford to Stansted flights
Boston to Liverpool flights
Boston to Leeds flights
Boston to Bristol flights
Hartford to Birmingham flights
Hartford to Manchester flights
Albany to Edinburgh flights
Boston to Newcastle upon Tyne flights
West Tisbury to Heathrow flights
New Bedford to Heathrow flights
Worcester to Heathrow flights
Hartford to Liverpool flights
Boston to East Midlands flights
Worcester to Edinburgh flights
Hartford to Leeds flights
Hartford to Bristol flights
Worcester to Manchester flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.