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.

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).

How far in advance should I book a flight from Boston to Southampton?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 15% on flights from Boston to Southampton compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £455. For sooner than that we have options available in the next 3 days from £504.

What is the cheapest month to fly from Boston to Southampton?

The best pricing can be found in the month of February. Prices to Southampton from Boston average £462. You can even find prices in February for less than £462, as users have found deals to Southampton from as low as £257. The month of June appears to be one of the more expensive times to travel to Southampton from Boston. Flying in the targeted month can save you up to 28%.

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

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

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.

£171+ Flights from Boston to Southampton

Cheap flight deals from Boston to Southampton

Round-trip from	£482
One-way from	£171
Popular in	July
Cheapest in	February
Average price	£745

Aer Lingus
14/9-21/9
2 total stops
25h 15m total
Boston to Southampton

Search Deals

7/10
2 total stops
30h 00m total
Boston to Southampton

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 18 August 2025.

Sun 14/917:30BOS - SOU

1 stop10h 40mAer Lingus

Sun 21/909:10SOU - BOS

1 stop14h 35mAer Lingus

Deal found 17/8£482

Sun 14/917:05BOS - SOU

2 stops21h 25mMultiple Airlines

Sun 21/909:10SOU - BOS

2 stops35h 45mMultiple Airlines

Deal found 17/8£496

Wed 10/918:45BOS - SOU

1 stop17h 15mKLM

Fri 12/909:20SOU - BOS

2 stops14h 45mKLM

Deal found 17/8£540

Sun 17/820:15BOS - SOU

1 stop16h 35mDelta

Sat 30/809:20SOU - BOS

1 stop12h 15mDelta

Deal found 16/8£574

Sun 17/811:34BOS - SOU

2 stops16h 11mDelta

Tue 2/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 16/8£577

Sun 14/918:45BOS - SOU

1 stop9h 00mDelta

Thu 18/909:20SOU - BOS

2 stops14h 45mDelta

Deal found 16/8£581

Wed 10/913:08BOS - SOU

2 stops14h 37mDelta

Fri 12/909:20SOU - BOS

2 stops19h 39mDelta

Deal found 16/8£584

Wed 10/913:08BOS - SOU

2 stops14h 37mDelta

Mon 29/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 17/8£608

Mon 15/918:45BOS - SOU

1 stop9h 00mDelta

Fri 19/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 16/8£611

Mon 6/1018:45BOS - SOU

1 stop9h 00mKLM

Sun 19/1009:20SOU - BOS

1 stop12h 10mKLM

Deal found 17/8£612

Mon 15/918:45BOS - SOU

1 stop9h 00mDelta

Thu 18/909:20SOU - BOS

2 stops15h 25mDelta

Deal found 16/8£618

Best flights from Boston to Southampton
Discover carefully curated flight deals from Boston to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2025.

Sun 14/917:30BOS - SOU

1 stop10h 40mAer Lingus

Sun 21/909:10SOU - BOS

1 stop14h 35mAer Lingus

Deal found 17/8£482

Sun 14/917:05BOS - SOU

2 stops21h 25mMultiple Airlines

Sun 21/909:10SOU - BOS

2 stops35h 45mMultiple Airlines

Deal found 17/8£496

Wed 10/920:15BOS - SOU

1 stop15h 45mKLM

Fri 12/909:20SOU - BOS

2 stops14h 45mKLM

Deal found 16/8£540

Sun 14/918:45BOS - SOU

1 stop9h 00mDelta

Fri 19/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 16/8£574

Sun 14/918:45BOS - SOU

1 stop9h 00mDelta

Wed 17/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 16/8£574

Wed 10/918:45BOS - SOU

1 stop9h 00mKLM

Mon 29/917:35SOU - BOS

1 stop25h 05mKLM

Deal found 17/8£574

Sun 14/918:45BOS - SOU

1 stop9h 00mDelta

Thu 18/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 16/8£574

Thu 12/209:55BOS - SOU

2 stops17h 30mDelta

Sun 22/217:45SOU - BOS

1 stop24h 40mDelta

Deal found 16/8£577

Thu 12/213:10BOS - SOU

2 stops14h 15mDelta

Mon 23/217:30SOU - BOS

1 stop24h 55mDelta

Deal found 16/8£577

Last-minute flights from Boston to Southampton
Discover last-minute flight deals from Boston to Southampton. Data last updated 18 August 2025 and is based on user searches.

Sun 17/820:15BOS - SOU

1 stop16h 35mDelta

Sat 30/809:20SOU - BOS

1 stop12h 15mDelta

Deal found 16/8£574

Sat 23/818:45BOS - SOU

1 stop9h 00mDelta

Thu 28/809:20SOU - BOS

1 stop12h 15mDelta

Deal found 16/8£574

Sat 23/811:34BOS - SOU

2 stops16h 11mDelta

Mon 1/917:35SOU - BOS

1 stop25h 05mDelta

Deal found 16/8£577

Sat 23/815:57BOS - SOU

2 stops18h 28mBritish Airways

Wed 3/909:10SOU - BOS

1 stop14h 35mBritish Airways

Deal found 16/8£2,049

Sun 24/815:50BOS - SOU

2 stops22h 35mBritish Airways

Thu 4/909:40SOU - BOS

1 stop10h 00mBritish Airways

Deal found 16/8£1,154

Wed 10/918:45BOS - SOU

1 stop17h 15mKLM

Fri 12/909:20SOU - BOS

2 stops14h 45mKLM

Deal found 17/8£540

Wed 10/913:08BOS - SOU

2 stops14h 37mDelta

Fri 12/909:20SOU - BOS

2 stops19h 39mDelta

Deal found 17/8£584

Wed 10/913:08BOS - SOU

2 stops14h 37mDelta

Mon 29/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 17/8£608

Sun 14/917:30BOS - SOU

1 stop10h 40mAer Lingus

Sun 21/909:10SOU - BOS

1 stop14h 35mAer Lingus

Deal found 17/8£482

Sun 14/917:05BOS - SOU

2 stops21h 25mMultiple Airlines

Sun 21/909:10SOU - BOS

2 stops35h 45mMultiple Airlines

Deal found 17/8£496

Sun 14/918:45BOS - SOU

1 stop9h 00mDelta

Thu 18/909:20SOU - BOS

2 stops14h 45mDelta

Deal found 16/8£581

Mon 15/918:45BOS - SOU

1 stop9h 00mDelta

Fri 19/909:20SOU - BOS

1 stop12h 10mDelta

Deal found 16/8£611

One-way flights from Boston to Southampton
Search for one-way flight options from Boston to Southampton. Find affordable one-way fares based on user searches. Data last updated 18 August 2025.

Tue 7/1021:40BOS - SOU

2 stops30h 00mMultiple Airlines

Deal found 16/8£171

Tue 7/1017:30BOS - SOU

1 stop9h 35mAer Lingus

Deal found 16/8£250

Mon 6/1010:00BOS - SOU

2 stops17h 15mAer Lingus

Deal found 17/8£261

Mon 6/1018:45BOS - SOU

1 stop9h 00mKLM

Deal found 16/8£267

Thu 9/1013:15BOS - SOU

2 stops14h 30mDelta

Deal found 16/8£271

Thu 12/219:10BOS - SOU

1 stop16h 50mDelta

Deal found 16/8£316

Fly from

Fly to

Route

Depart

Return

Price

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 14/9

17:30-09:10

1 stop10h 40m

Southampton Eastleigh

Sun 21/9

09:10-18:45

1 stop14h 35m

£482

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 14/9

17:05-19:30

2 stops21h 25m

Southampton Eastleigh

Sun 21/9

09:10-15:55

2 stops35h 45m

£496

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 10/9

20:15-17:00

1 stop15h 45m

Southampton Eastleigh

Fri 12/9

09:20-19:05

2 stops14h 45m

£540

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 14/9

18:45-08:45

1 stop9h 00m

Southampton Eastleigh

Fri 19/9

09:20-16:30

1 stop12h 10m

£574

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 14/9

18:45-08:45

1 stop9h 00m

Southampton Eastleigh

Wed 17/9

09:20-16:30

1 stop12h 10m

£574

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Wed 10/9

18:45-08:45

1 stop9h 00m

Southampton Eastleigh

Mon 29/9

17:35-13:40

1 stop25h 05m

£574

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Sun 14/9

18:45-08:45

1 stop9h 00m

Southampton Eastleigh

Thu 18/9

09:20-16:30

1 stop12h 10m

£574

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 12/2

09:55-08:25

2 stops17h 30m

Southampton Eastleigh

Sun 22/2

17:45-13:25

1 stop24h 40m

£577

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Thu 12/2

13:10-08:25

2 stops14h 15m

Southampton Eastleigh

Mon 23/2

17:30-13:25

1 stop24h 55m

£577

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

Tue 7/10

21:40-08:40

2 stops30h 00m

£171

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 17 results

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.

Related info for your journey

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.

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Cheapflights makes it easy to find Boston to Southampton flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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Cheap flights from Boston to Southampton from £171

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Boston to Southampton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Southampton

Cheapest flights from Boston to SouthamptonExplore 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 18 August 2025.

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 18 August 2025.

Cheapflights Fare Finder

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

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.

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?

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.

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

How can I find direct flights from Boston to Southampton?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Southampton

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How does Cheapflights help users find flights from Boston to Southampton?

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

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

Can Cheapflights notify me if prices for flights from Boston to Southampton become cheaper?

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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 18 August 2025.