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Cheap flights from Southampton to Boston from £491

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BOS
11 Jan — 18 Jan1
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 12 December 2025.

Fri 26/1209:30SOU - BOS
1 stop14h 25mBritish Airways
Thu 1/117:20BOS - SOU
1 stop10h 25mBritish Airways
Deal found 10/12£1,166
Tue 30/1219:55SOU - BOS
2 stops23h 25mBritish Airways
Sun 4/121:20BOS - SOU
1 stop17h 20mBritish Airways
Deal found 10/12£1,811

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 12 December 2025.

Round-trip from

£491

Popular in

December

Cheapest in

September

Average price

£549
Delta
  • Delta
  • 26/3-12/4
  • 2 total stops
  • 41h 25m total
  • Southampton to Boston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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

Thu 26/3

18:05-14:20

1 stop24h 15m

Boston Logan Intl

Sun 12/4

18:40-16:50

1 stop17h 10m

£491

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 27/3

08:40-19:55

1 stop15h 15m

Boston Logan Intl

Sat 11/4

16:45-08:45

1 stop11h 00m

£491

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 27/3

08:40-19:55

1 stop15h 15m

Boston Logan Intl

Sun 12/4

20:25-16:50

1 stop15h 25m

£491

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 30/3

17:20-13:35

1 stop25h 15m

Boston Logan Intl

Sun 12/4

18:40-16:50

1 stop17h 10m

£496

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 29/3

09:15-18:30

1 stop14h 15m

Boston Logan Intl

Sat 11/4

16:45-08:45

1 stop11h 00m

£496

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Mon 30/3

09:05-16:30

1 stop12h 25m

Boston Logan Intl

Sat 11/4

05:25-08:45

2 stops22h 20m

£498

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 29/3

09:15-18:30

1 stop14h 15m

Boston Logan Intl

Sun 12/4

09:05-08:35

2 stops18h 30m

£498

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 25/1

17:45-13:30

1 stop24h 45m

Boston Logan Intl

Sun 1/2

20:50-17:05

1 stop15h 15m

£518

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sun 25/1

17:45-13:30

1 stop24h 45m

Boston Logan Intl

Sun 1/2

10:05-08:50

2 stops17h 45m

£519

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Sat 3/1

09:10-21:55

2 stops17h 45m

£2,022

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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 August is currently the most expensive (average of £364). 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 December 2025.

It’s optimal to fly from Southampton to Boston in the evening. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight at midday.

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 24h 15m. The distance from Southampton to Boston is about 3228 mi.

  • 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 August is currently the most expensive (average of £364). 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
Cambridge
Peabody
Somerville
Quincy
Waltham
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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