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Cheap flights from Baltimore to London from £354

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to London departing on 26/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Baltimore to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:30 - 19:30BWI  Baltimore/Washington-SOU Southampton Eastleigh
18h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:20 - 19:25SOU  Southampton Eastleigh-BWI Baltimore/Washington
15h 05m2 stops Dublin Reykjavik Keflavik Intl
£762Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Delta Logo
10:21 - 08:35BWI  Baltimore/Washington-SOU Southampton Eastleigh
17h 14m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
09:05 - 22:58SOU  Southampton Eastleigh-BWI Baltimore/Washington
18h 53m2 stops Amsterdam Schiphol Boston Logan Intl
£836Delta
Sun, 4 Oct - Tue, 13 Oct
Multiple Airlines Logo
20:30 - 19:30BWI  Baltimore/Washington-SOU Southampton Eastleigh
18h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
09:20 - 19:25SOU  Southampton Eastleigh-BWI Baltimore/Washington
15h 05m2 stops Dublin Reykjavik Keflavik Intl
£844Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct
Delta Logo
11:25 - 08:35BWI  Baltimore/Washington-SOU Southampton Eastleigh
16h 10m2 stops Minneapolis St Paul Amsterdam Schiphol
Delta Logo
09:05 - 21:02SOU  Southampton Eastleigh-BWI Baltimore/Washington
16h 57m2 stops Amsterdam Schiphol Boston Logan Intl
£869Delta
Mon, 7 Sep - Tue, 22 Sep
Delta Logo
09:45 - 08:35BWI  Baltimore/Washington-SOU Southampton Eastleigh
17h 50m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Delta Logo
09:15 - 23:19SOU  Southampton Eastleigh-BWI Baltimore/Washington
19h 04m2 stops Amsterdam Schiphol Minneapolis St Paul
£907Delta
Sun, 27 Sep - Sun, 4 Oct
Delta Logo
13:45 - 08:45BWI  Baltimore/Washington-SOU Southampton Eastleigh
14h 00m2 stops Boston Logan Intl Amsterdam Schiphol
Delta Logo
09:05 - 21:28SOU  Southampton Eastleigh-BWI Baltimore/Washington
17h 23m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£917Delta
Mon, 24 Aug - Tue, 1 Sep
Multiple Airlines Logo
20:30 - 19:30BWI  Baltimore/Washington-SOU Southampton Eastleigh
18h 00m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
19:30 - 19:25SOU  Southampton Eastleigh-BWI Baltimore/Washington
28h 55m3 stops Belfast City Glasgow Intl Reykjavik Keflavik Intl
£935Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
23:20 - 12:05BWI  Baltimore/Washington-SOU Southampton Eastleigh
31h 45m3 stops Reykjavik Keflavik Intl Edinburgh Turnhouse Belfast City
Multiple Airlines Logo
20:00 - 19:40SOU  Southampton Eastleigh-BWI Baltimore/Washington
28h 40m2 stops Dublin London Heathrow
£946Multiple Airlines
Thu, 24 Sep - Thu, 1 Oct
Multiple Airlines Logo
20:30 - 08:40BWI  Baltimore/Washington-SOU Southampton Eastleigh
31h 10m3 stops Reykjavik Keflavik Intl Glasgow Intl Dublin
Multiple Airlines Logo
07:50 - 22:15SOU  Southampton Eastleigh-BWI Baltimore/Washington
19h 25m2 stops Glasgow Intl Reykjavik Keflavik Intl
£948Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
Aer Lingus Logo
18:55 - 19:30BWI  Baltimore/Washington-SOU Southampton Eastleigh
19h 35m2 stops London Heathrow Dublin
Aer Lingus Logo
20:00 - 17:05SOU  Southampton Eastleigh-BWI Baltimore/Washington
26h 05m2 stops Dublin London Heathrow
£1,019Aer Lingus
Sat, 26 Dec - Sun, 10 Jan

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Delta flights from Baltimore to Southampton

Our best Delta deals on Baltimore to Southampton flight tickets
Delta
4 Oct
BWI10:21Baltimore/Washington
17h 14m
2 stops
SOU08:35Southampton Eastleigh
13 Oct
SOU09:05Southampton Eastleigh
18h 53m
2 stops
BWI22:58Baltimore/Washington
£836
Delta
7 Sept
BWI11:25Baltimore/Washington
16h 10m
2 stops
SOU08:35Southampton Eastleigh
22 Sept
SOU09:05Southampton Eastleigh
16h 57m
2 stops
BWI21:02Baltimore/Washington
£869
Delta
27 Sept
BWI09:45Baltimore/Washington
17h 50m
2 stops
SOU08:35Southampton Eastleigh
4 Oct
SOU09:15Southampton Eastleigh
19h 04m
2 stops
BWI23:19Baltimore/Washington
£907

British Airways flights from Baltimore to Southampton

Our best British Airways deals on Baltimore to Southampton flight tickets
British Airways
10 Jan
BWI18:55Baltimore/Washington
33h 50m
2 stops
SOU09:45Southampton Eastleigh
14 Jan
SOU08:55Southampton Eastleigh
37h 10m
2 stops
BWI17:05Baltimore/Washington
£3,691
British Airways
10 Jan
BWI18:55Baltimore/Washington
33h 50m
2 stops
SOU09:45Southampton Eastleigh
14 Jan
SOU08:55Southampton Eastleigh
37h 10m
2 stops
BWI17:05Baltimore/Washington
£3,692

momondo Fare Finder

 
Customise your flight search to find flights from Baltimore 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, momondo users made 279,928 searches. Data last updated 14 August 2026.
Use the filters below to find and compare flights from Baltimore to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Mon 28/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Mon 5/10

09:20-19:25

2 stops15h 05m

£762

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sun 4/10

10:21-08:35

2 stops17h 14m

Southampton Eastleigh

Tue 13/10

09:05-22:58

2 stops18h 53m

£836

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Thu 24/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Thu 1/10

09:20-19:25

2 stops15h 05m

£844

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Mon 7/9

11:25-08:35

2 stops16h 10m

Southampton Eastleigh

Tue 22/9

09:05-21:02

2 stops16h 57m

£869

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sun 27/9

09:45-08:35

2 stops17h 50m

Southampton Eastleigh

Sun 4/10

09:15-23:19

2 stops19h 04m

£907
Fastest return journey

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Mon 24/8

13:45-08:45

2 stops14h 00m

Southampton Eastleigh

Tue 1/9

09:05-21:28

2 stops17h 23m

£917

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Mon 28/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Mon 5/10

19:30-19:25

3 stops28h 55m

£935

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Thu 24/9

23:20-12:05

3 stops31h 45m

Southampton Eastleigh

Thu 1/10

20:00-19:40

2 stops28h 40m

£946

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sat 26/9

20:30-08:40

3 stops31h 10m

Southampton Eastleigh

Sat 3/10

07:50-22:15

2 stops19h 25m

£948

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sat 26/12

18:55-19:30

2 stops19h 35m

Southampton Eastleigh

Sun 10/1

20:00-17:05

2 stops26h 05m

£1,019

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Baltimore to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Baltimore/Washington to Southampton Eastleigh?

KLM and Delta are the most popular carriers operating from Baltimore/Washington to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to Southampton from Baltimore according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 5 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

When to book flights from Baltimore to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Baltimore to Southampton (BWI to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Southampton

Fastest flight time

16h 42m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 16h 42m
There are no direct flights from Baltimore to Southampton. There are no popular flight routes from Baltimore to Southampton.
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Frequently asked questions about flying from Baltimore to Southampton

  • How far is Baltimore/Washington to Southampton Eastleigh by plane?

    Southampton Eastleigh is 3588.2 mi away from Baltimore/Washington. By plane, this route typically takes 16h 42m.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Southampton Eastleigh Airport?

    Prices for flights from Baltimore/Washington Airport to Southampton Eastleigh Airport were last updated today.

  • How old do you have to be to fly from Baltimore/Washington Airport to Southampton Eastleigh Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The necessary travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Southampton?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Southampton. momondo saves you time and could save you money on your trip.

Can I find flights from Baltimore to Southampton with flexible booking policies on momondo?

momondo does allow users to show only those flights to Southampton from Baltimore which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Baltimore to Southampton?

Once you have performed a search for Baltimore to Southampton flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Baltimore to Southampton right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Baltimore to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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