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Cheap flights from Boston to Southampton from £369

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOU
31 Mar — 7 Apr1
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 26 March 2025.

Round-trip from

£611

One-way from

£369

Popular in

June

Cheapest in

January

Average price

£721
Delta
  • Delta
  • 23/4-29/4
  • 2 total stops
  • 38h 50m total
  • Boston to Southampton
Search Deals
Delta
  • Delta
  • 3/7
  • 2 total stops
  • 31h 05m total
  • Boston to Southampton
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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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 26 March 2025.

Wed 23/418:40BOS - SOU
1 stop9h 05mDelta
Mon 28/417:35SOU - BOS
1 stop27h 50mDelta
Deal found 25/3£611
Mon 1/918:45BOS - SOU
1 stop9h 05mKLM
Mon 8/917:35SOU - BOS
1 stop25h 05mKLM
Deal found 24/3£619
Fri 9/519:15BOS - SOU
3 stops32h 20mMultiple Airlines
Fri 16/520:15SOU - BOS
2 stops26h 35mMultiple Airlines
Deal found 25/3£631
Mon 1/916:50BOS - SOU
1 stop11h 00mVirgin Atlantic
Mon 8/917:35SOU - BOS
2 stops22h 49mVirgin Atlantic
Deal found 24/3£633
Fri 22/817:30BOS - SOU
1 stop10h 10mAer Lingus
Sat 30/809:40SOU - BOS
1 stop14h 05mAer Lingus
Deal found 25/3£741
Thu 15/521:55BOS - SOU
2 stops16h 30mBritish Airways
Tue 20/509:10SOU - BOS
1 stop14h 35mBritish Airways
Deal found 25/3£1,307

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 26 March 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

Wed 23/4

18:40-08:45

1 stop9h 05m

Southampton Eastleigh

Mon 28/4

17:35-16:25

1 stop27h 50m

£611

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 1/9

18:45-08:50

1 stop9h 05m

Southampton Eastleigh

Mon 8/9

17:35-13:40

1 stop25h 05m

£619

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 9/5

19:15-08:35

3 stops32h 20m

Southampton Eastleigh

Fri 16/5

20:15-17:50

2 stops26h 35m

£631

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Mon 1/9

16:50-08:50

1 stop11h 00m

Southampton Eastleigh

Mon 8/9

17:35-11:24

2 stops22h 49m

£633

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Fri 22/8

17:30-08:40

1 stop10h 10m

Southampton Eastleigh

Sat 30/8

09:40-18:45

1 stop14h 05m

£741

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 15/5

21:55-19:25

2 stops16h 30m

Southampton Eastleigh

Tue 20/5

09:10-18:45

1 stop14h 35m

£1,307

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 3/7

20:40-08:45

2 stops31h 05m

£369

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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 26 March 2025.
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,712 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 £611, 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 KLM and Virgin Atlantic - these airlines can fly you to your destination from £619 and £633, respectively. Delta is currently priced 19% 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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Alternative routes for Boston to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Boston to Southampton?

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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.

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