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Cheap flights from Baltimore to London from £307

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 13/8. 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
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.
Delta Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
Delta Logo
09:15 - 20:51
SOU
-
BWI
16h 36m
2 stops
£822Delta
Mon, 17 Aug - Wed, 26 Aug
KLM Logo
13:00 - 08:35
BWI
-
SOU
14h 35m
2 stops
KLM Logo
09:20 - 20:46
SOU
-
BWI
16h 26m
2 stops
£859KLM
Sun, 4 Oct - Sat, 10 Oct
Delta Logo
14:08 - 08:45
BWI
-
SOU
13h 37m
2 stops
Delta Logo
09:15 - 22:29
SOU
-
BWI
18h 14m
2 stops
£884Delta
Mon, 20 Jul - Thu, 6 Aug
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:42
SOU
-
BWI
18h 37m
2 stops
£970Delta
Sat, 29 Aug - Mon, 7 Sep
Multiple Airlines Logo
20:30 - 19:30
BWI
-
SOU
18h 00m
2 stops
Multiple Airlines Logo
09:20 - 22:15
SOU
-
BWI
17h 55m
2 stops
£985Multiple Airlines
Sat, 25 Jul - Sat, 1 Aug
Delta Logo
18:10 - 16:50
BWI
-
SOU
17h 40m
2 stops
Delta Logo
09:15 - 22:13
SOU
-
BWI
17h 58m
2 stops
£989Delta
Sun, 20 Sep - Sun, 27 Sep
KLM Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
KLM Logo
09:05 - 20:51
SOU
-
BWI
16h 46m
2 stops
£1,007KLM
Sat, 29 Aug - Mon, 7 Sep
KLM Logo
12:15 - 08:45
BWI
-
SOU
15h 30m
2 stops
KLM Logo
09:05 - 20:51
SOU
-
BWI
16h 46m
2 stops
£1,007KLM
Sat, 29 Aug - Mon, 7 Sep
KLM Logo
12:15 - 08:45
BWI
-
SOU
15h 30m
2 stops
KLM Logo
09:05 - 20:51
SOU
-
BWI
16h 46m
2 stops
£1,056KLM
Sat, 29 Aug - Mon, 7 Sep
KLM Logo
12:15 - 08:45
BWI
-
SOU
15h 30m
2 stops
KLM Logo
09:05 - 20:51
SOU
-
BWI
16h 46m
2 stops
£1,057KLM
Sat, 29 Aug - Mon, 7 Sep

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Delta flights from Baltimore to Southampton

Our best Delta deals on Baltimore to Southampton flight tickets
Delta
17 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
26 Aug
SOU09:15Southampton Eastleigh
16h 36m
2 stops
BWI20:51Baltimore/Washington
£822
Delta
20 Jul
BWI14:08Baltimore/Washington
13h 37m
2 stops
SOU08:45Southampton Eastleigh
6 Aug
SOU09:15Southampton Eastleigh
18h 14m
2 stops
BWI22:29Baltimore/Washington
£884
Delta
10 May
BWI12:00Baltimore/Washington
15h 35m
2 stops
SOU08:35Southampton Eastleigh
16 May
SOU17:20Southampton Eastleigh
29h 04m
2 stops
BWI17:24Baltimore/Washington
£951

KLM flights from Baltimore to Southampton

Our best KLM deals on Baltimore to Southampton flight tickets
KLM
4 Oct
BWI13:00Baltimore/Washington
14h 35m
2 stops
SOU08:35Southampton Eastleigh
10 Oct
SOU09:20Southampton Eastleigh
16h 26m
2 stops
BWI20:46Baltimore/Washington
£859
KLM
29 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
16h 46m
2 stops
BWI20:51Baltimore/Washington
£1,007
KLM
29 Aug
BWI12:15Baltimore/Washington
15h 30m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
16h 46m
2 stops
BWI20:51Baltimore/Washington
£1,007

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 May 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

Mon 17/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Wed 26/8

09:15-20:51

2 stops16h 36m

£822
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 4/10

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Sat 10/10

09:20-20:46

2 stops16h 26m

£859

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 20/7

14:08-08:45

2 stops13h 37m

Southampton Eastleigh

Thu 6/8

09:15-22:29

2 stops18h 14m

£884

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

10:00-08:45

2 stops17h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:42

2 stops18h 37m

£970

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 25/7

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Sat 1/8

09:20-22:15

2 stops17h 55m

£985

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 20/9

18:10-16:50

2 stops17h 40m

Southampton Eastleigh

Sun 27/9

09:15-22:13

2 stops17h 58m

£989

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Mon 7/9

09:05-20:51

2 stops16h 46m

£1,007

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

12:15-08:45

2 stops15h 30m

Southampton Eastleigh

Mon 7/9

09:05-20:51

2 stops16h 46m

£1,007

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

12:15-08:45

2 stops15h 30m

Southampton Eastleigh

Mon 7/9

09:05-20:51

2 stops16h 46m

£1,056

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

12:15-08:45

2 stops15h 30m

Southampton Eastleigh

Mon 7/9

09:05-20:51

2 stops16h 46m

£1,057

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?

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 6 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

14h 00m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 14h 00m
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 14h 00m.

  • 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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