BOS - SOU

£270 Find Cheap Flights from Boston to Southampton – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£516
Typical prices: £603-£735
Aer Lingus
Wed 24/10Wed 31/10
BOS - SOU • 1 stop
Cheapest one-way flight
£333
Typical prices: £300-£451
Delta
Thu 27/12
BOS - SOU • 1 stop
When to travel
October
Cheapest • 24% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Dublin (DUB)
Cheapest • Avg £658 (return)
Amsterdam Schiphol (AMS)
Shortest trip • 11h 19m (one-way)
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Flight Deals

Cheap Flights from Boston to Southampton (BOS-SOU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Southampton

Sat, 24 Oct - Sat, 31 Oct
Aer Lingus Logo
18:25 - 09:45BOS  Boston Logan Intl-SOU Southampton Eastleigh
10h 20m1 stop Dublin
Aer Lingus Logo
09:20 - 20:05SOU  Southampton Eastleigh-BOS Boston Logan Intl
14h 45m1 stop Dublin
£516Aer Lingus
Tue, 1 Dec - Tue, 8 Dec
Aer Lingus Logo
21:20 - 19:30BOS  Boston Logan Intl-SOU Southampton Eastleigh
17h 10m1 stop Dublin
Aer Lingus Logo
09:20 - 19:05SOU  Southampton Eastleigh-BOS Boston Logan Intl
14h 45m1 stop Dublin
£516Aer Lingus
Tue, 13 Oct - Mon, 19 Oct
Aer Lingus Logo
17:25 - 08:05BOS  Boston Logan Intl-SOU Southampton Eastleigh
9h 40m1 stop Dublin
Aer Lingus Logo
09:20 - 18:50SOU  Southampton Eastleigh-BOS Boston Logan Intl
14h 30m1 stop Dublin
£568Aer Lingus
Tue, 6 Oct - Sun, 18 Oct
Multiple Airlines Logo
06:00 - 19:30BOS  Boston Logan Intl-SOU Southampton Eastleigh
32h 30m2 stops Toronto Pearson Intl Dublin
Multiple Airlines Logo
09:20 - 15:10SOU  Southampton Eastleigh-BOS Boston Logan Intl
34h 50m2 stops Dublin Zurich
£579Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Aer Lingus Logo
17:25 - 08:40BOS  Boston Logan Intl-SOU Southampton Eastleigh
10h 15m1 stop Dublin
Aer Lingus Logo
09:20 - 18:50SOU  Southampton Eastleigh-BOS Boston Logan Intl
14h 30m1 stop Dublin
£608Aer Lingus
Tue, 13 Oct - Mon, 19 Oct
Aer Lingus Logo
17:25 - 08:05BOS  Boston Logan Intl-SOU Southampton Eastleigh
9h 40m1 stop Dublin
Aer Lingus Logo
20:00 - 16:10SOU  Southampton Eastleigh-BOS Boston Logan Intl
25h 10m2 stops Dublin Madrid Barajas
£620Aer Lingus
Wed, 28 Oct - Wed, 4 Nov
Multiple Airlines Logo
18:15 - 08:50BOS  Boston Logan Intl-SOU Southampton Eastleigh
10h 35m1 stop Dublin
Multiple Airlines Logo
09:15 - 19:05SOU  Southampton Eastleigh-BOS Boston Logan Intl
38h 50m2 stops Glasgow Intl Dublin
£633Multiple Airlines
Sat, 24 Oct - Sat, 31 Oct
Multiple Airlines Logo
18:25 - 09:45BOS  Boston Logan Intl-SOU Southampton Eastleigh
10h 20m1 stop Dublin
Multiple Airlines Logo
08:20 - 14:55SOU  Southampton Eastleigh-BOS Boston Logan Intl
34h 35m2 stops Glasgow Intl Dublin
£660Multiple Airlines
Wed, 28 Oct - Wed, 4 Nov
Aer Lingus Logo
22:20 - 19:30BOS  Boston Logan Intl-SOU Southampton Eastleigh
17h 10m1 stop Dublin
Aer Lingus Logo
09:20 - 19:05SOU  Southampton Eastleigh-BOS Boston Logan Intl
14h 45m1 stop Dublin
£668Aer Lingus
Tue, 13 Oct - Mon, 19 Oct
Multiple Airlines Logo
20:50 - 19:30BOS  Boston Logan Intl-SOU Southampton Eastleigh
17h 40m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
17:20 - 20:20SOU  Southampton Eastleigh-BOS Boston Logan Intl
32h 00m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado
£669Multiple Airlines
Booking Insights

Price, demand, and travel trends for Boston to Southampton flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Boston to Southampton with more confidence.

How much is a return flight from Boston to Southampton?

Return flights from Boston to Southampton start at £516. Prices are below average for this route right now, with typical return fares ranging from £603 to £735. The lowest price found in the past 5 days was £516 on Aer Lingus.

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Key details for Boston to Southampton flights

Low season

February

Cheapest flight

£333
Most popular time to fly and prices are also 5% lower on average.
Flights from Boston to Southampton

When to book flights from Boston to Southampton

Are your dates flexible? Find out the best times to travel from Boston to Southampton based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Boston to Southampton flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Boston to Southampton?

    Flights from Boston to Southampton usually depart from Boston Logan Intl (BOS) and arrive at Southampton Eastleigh (SOU).

  • Which airports do connecting flights from Boston to Southampton pass through?

    Connecting flights from Boston to Southampton most commonly pass through:

    • Dublin (DUB) – 89% of one-stop connections
    • Amsterdam Schiphol (AMS) – 11% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Boston to Southampton?

    Yes. Being flexible with your travel dates can save you up to 32% on the Boston to Southampton route. Monday is the cheapest departure day at £516 return on average, while Tuesday is the most expensive at £750, a difference of £234. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Southampton?

    Some of the most popular sights in Southampton are Mayflower Theatre, Southampton Central Railway Station, and WestQuay Shopping Centre. These are among the most viewed places in Southampton on KAYAK.

  • How long is a flight from Boston to Southampton?

    There are currently no direct flights available from Boston to Southampton. Flights with 1 stopover take between 10h 33m and 11h 19m in total, depending on the connection.

  • Do I need a passport to fly from Boston to Southampton?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Boston to Southampton looking right now?

    One-way fares from Boston to Southampton are currently in line with typical prices for this route. Average one-way fares are about £370.

  • How much time can I save by choosing a different stopover airport from Boston to Southampton?

    Flying via Dublin (DUB) gives the shortest average 1-stop total travel time of 10h 33m, compared to 11h 19m via Amsterdam Schiphol (AMS).

  • What is the time difference between Boston and Southampton?

    Southampton is 5 hours ahead of Boston (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Southampton Eastleigh Airport (SOU)?

    Southampton Eastleigh Airport (SOU) hosts 5 major car hire companies, with daily rates starting from around £10 for economy cars. Top options include:
    • Alamo
    • Budget
    • Avis
    • Enterprise Rent-A-Car
    • Sixt

  • How much should I expect to pay for a Boston to Southampton flight?

    Return flights from Boston to Southampton range from £603 to £735, with an average of £677 over the past 12 months. Anything below £603 counts as a good deal.

Your guide to booking Boston to Southampton flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Tuesday. On this route, Monday flights average £516 – about £234 less than Tuesday (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Southampton trip for October. Fares historically average £516 return in that month – typically £240 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Southampton Eastleigh Airport.
    - DoubleTree by Hilton Southampton
    - Premier Inn Southampton Airport

More options for your flight from Boston to Southampton

Complete your trip to Southampton with a hotel stay or car hire

Car hire in Southampton
Hotels in Southampton
Holidays in Southampton