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Cheap flights from Boston to Southampton from £199

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
7 Jul — 14 Jul1
1 adult

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 2 July 2025.

Round-trip from

£487

One-way from

£199

Popular in

July

Cheapest in

January

Average price

£869
Delta
  • Delta
  • 17/8-27/8
  • 2 total stops
  • 35h 55m total
  • Boston to Southampton
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8/10
  • 8/10
  • 2 total stops
  • 28h 05m total
  • Boston to Southampton
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in July 2025
Search Deals

Find flight deals from Boston to Southampton

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 2 July 2025.

Sun 17/816:50BOS - SOU
1 stop10h 55mDelta
Wed 27/817:35SOU - BOS
1 stop25h 00mDelta
Deal found 1/7£487
Thu 14/817:30BOS - SOU
1 stop10h 10mAer Lingus
Thu 21/809:40SOU - BOS
1 stop14h 05mAer Lingus
Deal found 30/6£531
Fri 11/716:45BOS - SOU
1 stop11h 00mKLM
Sat 16/509:20SOU - BOS
1 stop12h 10mKLM
Deal found 1/7£554
Fri 11/720:15BOS - SOU
1 stop15h 45mVirgin Atlantic
Sat 16/509:20SOU - BOS
2 stops19h 12mVirgin Atlantic
Deal found 1/7£561
Thu 14/823:35BOS - SOU
3 stops28h 05mMultiple Airlines
Thu 21/811:25SOU - BOS
2 stops15h 35mMultiple Airlines
Deal found 30/6£777
Thu 11/1214:24BOS - SOU
2 stops22h 11mBritish Airways
Mon 15/1209:30SOU - BOS
1 stop14h 25mBritish Airways
Deal found 1/7£869

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 2 July 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

Sun 17/8

18:45-08:45

1 stop9h 00m

Southampton Eastleigh

Tue 26/8

09:20-18:25

1 stop14h 05m

£487

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 14/8

17:30-08:40

1 stop10h 10m

Southampton Eastleigh

Thu 21/8

09:40-18:45

1 stop14h 05m

£531

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 14/8

23:35-08:40

3 stops28h 05m

Southampton Eastleigh

Thu 21/8

11:25-22:00

2 stops15h 35m

£777

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 11/12

14:24-17:35

2 stops22h 11m

Southampton Eastleigh

Mon 15/12

09:30-18:55

1 stop14h 25m

£869

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 8/10

23:35-08:40

2 stops28h 05m

£199

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 8/10

17:30-08:40

1 stop10h 10m

£234

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 6/10

16:50-08:45

1 stop10h 55m

£262

Flights are sorted by cheapest return flights first.

Deals found on 30/6

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, September is the cheapest month in which you can book a flight from Boston to Southampton (average of £203). Flying from Boston to Southampton in November is currently the most expensive (average of £262). 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.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated 2 July 2025.
Get a feel of what it's like to fly with Delta, Aer Lingus, andBritish Airways from Boston to Southampton by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,975 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,140 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,086 reviews
Delta
8.0
Very Good
7,975 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Boston to Southampton round-trip?

    Currently priced at £487, Delta will fly you from Boston to Southampton and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aer Lingus and British Airways - these airlines can fly you to your destination from £531 and £869, respectively. Delta is currently priced 29% below the average price you’ll pay for this route.

  • 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, September is the cheapest month in which you can book a flight from Boston to Southampton (average of £203). Flying from Boston to Southampton in November is currently the most expensive (average of £262). 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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