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Cheap flights from Southampton to Boston from £333

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BOS
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Boston

Enter your travel dates to find the best prices.

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 10 March 2026.

Mon 13/419:20
SOU
-
BOS
1 stop30h 45m
Multiple Airlines
Mon 20/420:50
BOS
-
SOU
2 stops15h 50m
Multiple Airlines
Deal found 5/3£439
Tue 21/409:20
SOU
-
BOS
1 stop14h 30m
Aer Lingus
Tue 28/417:25
BOS
-
SOU
1 stop9h 40m
Aer Lingus
Deal found 7/3£498
Wed 22/409:20
SOU
-
BOS
1 stop14h 30m
Aer Lingus
Wed 29/417:25
BOS
-
SOU
1 stop10h 15m
Aer Lingus
Deal found 8/3£508
Mon 20/420:40
SOU
-
BOS
2 stops53h 25m
Multiple Airlines
Mon 27/423:30
BOS
-
SOU
1 stop15h 00m
Multiple Airlines
Deal found 6/3£544
Tue 21/417:20
SOU
-
BOS
1 stop28h 05m
KLM
Tue 28/413:06
BOS
-
SOU
2 stops14h 29m
KLM
Deal found 7/3£565
Wed 22/409:05
SOU
-
BOS
1 stop12h 20m
KLM
Wed 29/421:45
BOS
-
SOU
2 stops14h 05m
KLM
Deal found 8/3£582
Tue 21/409:05
SOU
-
BOS
2 stops19h 02m
Delta
Tue 28/413:06
BOS
-
SOU
2 stops14h 29m
Delta
Deal found 7/3£585
Mon 20/409:05
SOU
-
BOS
1 stop14h 25m
KLM
Mon 27/416:35
BOS
-
SOU
1 stop11h 00m
KLM
Deal found 6/3£603

Find 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 10 March 2026.

Round-trip from

£439

One-way from

£333

Popular in

July

Cheapest in

September

Average price

£456
13/4-20/4
  • 13/4-20/4
  • 3 total stops
  • 46h 35m total
  • Southampton to Boston
Search Deals
10/5
  • 10/5
  • 3 total stops
  • 38h 10m total
  • Southampton to Boston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 10 March 2026.
Use the filters below to find and compare flights from Southampton to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 13/4

19:20-21:05

1 stop30h 45m

Boston Logan Intl

Mon 20/4

17:25-08:40

1 stop10h 15m

£469

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 20/4

09:05-19:35

2 stops15h 30m

Boston Logan Intl

Mon 27/4

21:45-16:50

2 stops14h 05m

£650

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 12/8

08:55-20:05

2 stops16h 10m

Boston Logan Intl

Wed 19/8

21:50-17:40

2 stops14h 50m

£705

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Tue 30/6

06:50-20:05

2 stops18h 15m

Boston Logan Intl

Wed 8/7

21:50-17:40

2 stops14h 50m

£722

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Wed 25/3

08:50-19:55

1 stop15h 05m

Boston Logan Intl

Mon 30/3

07:35-08:35

2 stops20h 00m

£729

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 1/5

06:50-17:00

2 stops15h 10m

Boston Logan Intl

Mon 4/5

19:35-14:45

2 stops14h 10m

£763
Fastest return journey

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sat 22/8

09:20-18:50

1 stop14h 30m

Boston Logan Intl

Sat 12/9

23:30-16:50

1 stop12h 20m

£806

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 23/3

16:05-14:55

1 stop26h 50m

Boston Logan Intl

Mon 30/3

17:20-08:40

1 stop10h 20m

£893
Cheapest one-way

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 10/5

12:35-21:45

3 stops38h 10m

£333

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 31/5

20:45-17:00

2 stops25h 15m

£492

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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, July is the cheapest month in which you can book a flight from Southampton to Boston (average of £140). Flying from Southampton to Boston in June is currently the most expensive (average of £374). 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 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 15h 05m. 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, July is the cheapest month in which you can book a flight from Southampton to Boston (average of £140). Flying from Southampton to Boston in June is currently the most expensive (average of £374). 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
Canton
Waltham
Warwick
Cambridge
Peabody
Somerville
Quincy
Chelmsford

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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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