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Cheap flights from Southampton to Boston from £425

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BOS
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Boston (BOS). 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 12 September 2025.

Round-trip from

£425

Popular in

December

Cheapest in

September

Average price

£389
KLM
  • KLM
  • 8/10-15/10
  • 2 total stops
  • 31h 15m total
  • Southampton to Boston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Southampton to Boston

Cheapest flights from Southampton to Boston
Explore the most affordable flight options available from Southampton to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Wed 8/1009:20SOU - BOS
1 stop14h 00mKLM
Wed 15/1018:45BOS - SOU
1 stop17h 15mKLM
Deal found 10/9£425
Wed 8/1009:20SOU - BOS
1 stop14h 00mVirgin Atlantic
Wed 15/1020:15BOS - SOU
1 stop31h 30mVirgin Atlantic
Deal found 10/9£427
Mon 22/917:35SOU - BOS
2 stops18h 43mDelta
Mon 29/913:25BOS - SOU
2 stops14h 20mDelta
Deal found 10/9£428
Wed 8/1009:10SOU - BOS
2 stops35h 15mMultiple Airlines
Wed 15/1019:08BOS - SOU
2 stops19h 22mMultiple Airlines
Deal found 10/9£475
Sun 26/1018:05SOU - BOS
1 stop29h 50mMultiple Airlines
Sun 2/1119:10BOS - SOU
1 stop32h 00mMultiple Airlines
Deal found 11/9£526
Wed 24/1208:40SOU - BOS
1 stop15h 15mKLM
Fri 2/120:50BOS - SOU
1 stop31h 00mKLM
Deal found 11/9£566
Sun 26/1018:05SOU - BOS
2 stops23h 25mKLM
Sun 2/1120:50BOS - SOU
1 stop30h 20mKLM
Deal found 11/9£578

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Boston 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 12 September 2025.
Use the filters below to find and compare flights from Southampton to Boston that are best for you.

Fly from

Southampton

Fly to

Boston

Route

Depart

Return

Price

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 8/10

09:20-18:20

1 stop14h 00m

Boston Logan Intl

Wed 15/10

18:45-17:00

1 stop17h 15m

£425

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 22/9

17:35-07:18

2 stops18h 43m

Boston Logan Intl

Mon 29/9

13:25-08:45

2 stops14h 20m

£428

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 8/10

09:20-07:20

2 stops27h 00m

Boston Logan Intl

Wed 15/10

20:15-08:45

1 stop31h 30m

£430

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 8/10

09:10-15:25

2 stops35h 15m

Boston Logan Intl

Wed 15/10

19:08-19:30

2 stops19h 22m

£475

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 26/10

18:05-19:55

1 stop29h 50m

Boston Logan Intl

Sun 2/11

19:10-08:10

1 stop32h 00m

£526

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 24/12

08:40-18:55

1 stop15h 15m

Boston Logan Intl

Fri 2/1

20:50-08:50

1 stop31h 00m

£566

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 26/10

18:05-13:30

2 stops23h 25m

Boston Logan Intl

Sun 2/11

20:50-08:10

1 stop30h 20m

£578

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sat 25/10

18:05-22:00

3 stops32h 55m

Boston Logan Intl

Sat 1/11

12:35-19:40

2 stops27h 05m

£643

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Thu 18/9

09:40-18:45

1 stop14h 05m

£7,911

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Best time to book a flight from Southampton to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Southampton 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 Southampton to Boston

What is the cheapest month to book a flight from Southampton to Boston?

Currently, October is the cheapest month in which you can book a flight from Southampton to Boston (average of £10). Flying from Southampton to Boston in July is currently the most expensive (average of £724). 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.

What is the cheapest time of day to fly from SOU to BOS?

Find hourly flight availability from Southampton to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Boston as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Boston. 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 Southampton to Boston?

    Departing from Southampton to Boston will take you 14h. The distance from Southampton to Boston is about 3228 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Southampton to Boston that include hotel bookings?

    Yes. In addition to deals on Southampton to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Boston.

  • Can I find deals for business class flights from Southampton to Boston?

    Yes. Cheapflights offers flight deals from Southampton to Boston 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 Southampton to Boston?

    Currently, October is the cheapest month in which you can book a flight from Southampton to Boston (average of £10). Flying from Southampton to Boston in July is currently the most expensive (average of £724). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Peabody
Cambridge
Somerville
Quincy
Chelmsford

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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 Southampton to Boston?

Cheapflights helps you search for flights from Southampton to Boston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from Southampton.

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

Need flexible booking options for your flight to Boston from Southampton? 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 Southampton to Boston become cheaper?

Yes, Cheapflights offers price alerts on Southampton to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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