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Cheap flights from Baltimore to London from £299

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 2/8. 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
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Find the cheapest flights from Baltimore to London

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
12:31 - 08:35
BWI
-
SOU
15h 04m
2 stops
KLM Logo
09:05 - 20:47
SOU
-
BWI
16h 42m
2 stops
£897KLM
Wed, 13 May - Wed, 20 May
Delta Logo
12:27 - 08:35
BWI
-
SOU
15h 08m
2 stops
Delta Logo
09:05 - 20:17
SOU
-
BWI
16h 12m
2 stops
£934Delta
Mon, 20 Apr - Tue, 28 Apr
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:13
SOU
-
BWI
18h 08m
2 stops
£949Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:13
SOU
-
BWI
18h 08m
2 stops
£951Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:13
SOU
-
BWI
18h 08m
2 stops
£952Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
13:59 - 08:45
BWI
-
SOU
13h 46m
2 stops
Delta Logo
09:05 - 20:50
SOU
-
BWI
16h 45m
2 stops
£1,009Delta
Fri, 8 May - Mon, 11 May
Multiple Airlines Logo
21:35 - 19:30
BWI
-
SOU
16h 55m
2 stops
Multiple Airlines Logo
20:00 - 19:40
SOU
-
BWI
28h 40m
2 stops
£1,054Multiple Airlines
Sun, 26 Apr - Tue, 12 May
Delta Logo
13:59 - 08:45
BWI
-
SOU
13h 46m
2 stops
Delta Logo
09:15 - 20:50
SOU
-
BWI
16h 35m
2 stops
£1,091Delta
Fri, 8 May - Sun, 10 May
Multiple Airlines Logo
21:35 - 19:30
BWI
-
SOU
16h 55m
2 stops
Multiple Airlines Logo
20:00 - 19:40
SOU
-
BWI
28h 40m
2 stops
£1,158Multiple Airlines
Sun, 17 May - Sun, 24 May
Multiple Airlines Logo
21:30 - 12:05
BWI
-
SOU
33h 35m
2 stops
Multiple Airlines Logo
12:35 - 19:40
SOU
-
BWI
36h 05m
2 stops
£1,358Multiple Airlines
Fri, 15 May - Fri, 22 May

British Airways flights from Baltimore to Southampton

Our best British Airways deals on Baltimore to Southampton flight tickets
British Airways
1 Sept
BWI19:25Baltimore/Washington
16h 25m
2 stops
SOU16:50Southampton Eastleigh
5 Sept
SOU14:55Southampton Eastleigh
33h 50m
2 stops
BWI19:45Baltimore/Washington
£3,496
British Airways
6 Sept
BWI21:35Baltimore/Washington
18h 20m
2 stops
SOU20:55Southampton Eastleigh
10 Sept
SOU15:15Southampton Eastleigh
33h 25m
2 stops
BWI19:40Baltimore/Washington
£3,548
British Airways
6 Sept
BWI21:35Baltimore/Washington
18h 20m
2 stops
SOU20:55Southampton Eastleigh
10 Sept
SOU19:55Southampton Eastleigh
28h 45m
2 stops
BWI19:40Baltimore/Washington
£3,548

KLM flights from Baltimore to Southampton

Our best KLM deals on Baltimore to Southampton flight tickets
KLM
13 May
BWI12:31Baltimore/Washington
15h 04m
2 stops
SOU08:35Southampton Eastleigh
20 May
SOU09:05Southampton Eastleigh
16h 42m
2 stops
BWI20:47Baltimore/Washington
£897
KLM
15 May
BWI13:59Baltimore/Washington
13h 46m
2 stops
SOU08:45Southampton Eastleigh
22 May
SOU09:05Southampton Eastleigh
16h 45m
2 stops
BWI20:50Baltimore/Washington
£2,303

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 3 April 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 - SOU

BWISOU

Baltimore/Washington

Wed 13/5

12:31-08:35

2 stops15h 04m

Southampton Eastleigh

Wed 20/5

09:05-20:47

2 stops16h 42m

£897

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 20/4

12:27-08:35

2 stops15h 08m

Southampton Eastleigh

Tue 28/4

09:05-20:17

2 stops16h 12m

£934

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

10:00-08:45

2 stops17h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:13

2 stops18h 08m

£949

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

10:00-08:45

2 stops17h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:13

2 stops18h 08m

£951

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

10:00-08:45

2 stops17h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:13

2 stops18h 08m

£952

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 8/5

13:59-08:45

2 stops13h 46m

Southampton Eastleigh

Mon 11/5

09:05-20:50

2 stops16h 45m

£1,009

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 26/4

21:35-19:30

2 stops16h 55m

Southampton Eastleigh

Tue 12/5

20:00-19:40

2 stops28h 40m

£1,054
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 8/5

13:59-08:45

2 stops13h 46m

Southampton Eastleigh

Sun 10/5

09:15-20:50

2 stops16h 35m

£1,091

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 17/5

21:35-19:30

2 stops16h 55m

Southampton Eastleigh

Sun 24/5

20:00-19:40

2 stops28h 40m

£1,158

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 15/5

21:30-12:05

2 stops33h 35m

Southampton Eastleigh

Fri 22/5

12:35-19:40

2 stops36h 05m

£1,358

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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?

Delta is the most popular carrier operating from Baltimore/Washington to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, Virgin Atlantic and United Airlines 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 52% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 7 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

13h 20m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 13h 20m
There are no direct flights from Baltimore to Southampton. There are no popular flight routes from Baltimore to Southampton.
Search flight deals

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 13h 20m.

  • 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.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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