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Cheap flights from Baltimore to London from £284

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 30/10. 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 - 08:45
BWI
-
SOU
31h 15m
3 stops
Multiple Airlines Logo
09:05 - 22:15
SOU
-
BWI
18h 10m
3 stops
£783Multiple Airlines
Mon, 21 Sep - Tue, 6 Oct
Multiple Airlines Logo
20:30 - 20:45
BWI
-
SOU
19h 15m
2 stops
Multiple Airlines Logo
20:00 - 19:40
SOU
-
BWI
28h 40m
2 stops
£833Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Delta Logo
15:30 - 17:00
BWI
-
SOU
20h 30m
2 stops
Delta Logo
17:30 - 19:20
SOU
-
BWI
30h 50m
2 stops
£842Delta
Mon, 11 Jan - Mon, 1 Feb
Multiple Airlines Logo
20:30 - 19:30
BWI
-
SOU
18h 00m
2 stops
Multiple Airlines Logo
09:15 - 19:25
SOU
-
BWI
15h 10m
2 stops
£865Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Delta Logo
17:40 - 16:50
BWI
-
SOU
18h 10m
2 stops
Delta Logo
09:15 - 21:30
SOU
-
BWI
17h 15m
2 stops
£880Delta
Wed, 9 Sep - Wed, 16 Sep
KLM Logo
13:45 - 08:35
BWI
-
SOU
13h 50m
2 stops
KLM Logo
09:05 - 22:31
SOU
-
BWI
18h 26m
2 stops
£918KLM
Mon, 7 Sep - Mon, 14 Sep
Delta Logo
18:30 - 17:00
BWI
-
SOU
18h 30m
2 stops
Delta Logo
08:40 - 21:32
SOU
-
BWI
16h 52m
2 stops
£920Delta
Mon, 26 Oct - Fri, 30 Oct
Delta Logo
10:40 - 08:45
BWI
-
SOU
17h 05m
2 stops
Delta Logo
18:05 - 15:46
SOU
-
BWI
26h 41m
2 stops
£928Delta
Sun, 16 Aug - Mon, 24 Aug
Multiple Airlines Logo
20:30 - 19:30
BWI
-
SOU
18h 00m
3 stops
Multiple Airlines Logo
14:25 - 17:15
SOU
-
BWI
31h 50m
2 stops
£960Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Delta Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
Delta Logo
09:05 - 23:13
SOU
-
BWI
19h 08m
2 stops
£971Delta
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
11 Jan
BWI15:30Baltimore/Washington
20h 30m
2 stops
SOU17:00Southampton Eastleigh
1 Feb
SOU17:30Southampton Eastleigh
30h 50m
2 stops
BWI19:20Baltimore/Washington
£842
Delta
9 Sept
BWI17:40Baltimore/Washington
18h 10m
2 stops
SOU16:50Southampton Eastleigh
16 Sept
SOU09:15Southampton Eastleigh
17h 15m
2 stops
BWI21:30Baltimore/Washington
£880
Delta
26 Oct
BWI18:30Baltimore/Washington
18h 30m
2 stops
SOU17:00Southampton Eastleigh
30 Oct
SOU08:40Southampton Eastleigh
16h 52m
2 stops
BWI21:32Baltimore/Washington
£920

KLM flights from Baltimore to Southampton

Our best KLM deals on Baltimore to Southampton flight tickets
KLM
7 Sept
BWI13:45Baltimore/Washington
13h 50m
2 stops
SOU08:35Southampton Eastleigh
14 Sept
SOU09:05Southampton Eastleigh
18h 26m
2 stops
BWI22:31Baltimore/Washington
£918
KLM
29 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
18h 34m
2 stops
BWI22:39Baltimore/Washington
£973
KLM
29 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
18h 34m
2 stops
BWI22:39Baltimore/Washington
£992

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 27 July 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 21/9

20:30-08:45

3 stops31h 15m

Southampton Eastleigh

Tue 6/10

09:05-22:15

3 stops18h 10m

£783

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 6/9

20:30-20:45

2 stops19h 15m

Southampton Eastleigh

Sun 13/9

20:00-19:40

2 stops28h 40m

£833

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 11/1

15:30-17:00

2 stops20h 30m

Southampton Eastleigh

Mon 1/2

17:30-19:20

2 stops30h 50m

£842

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 8/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Tue 15/9

09:15-19:25

2 stops15h 10m

£865

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 9/9

17:40-16:50

2 stops18h 10m

Southampton Eastleigh

Wed 16/9

09:15-21:30

2 stops17h 15m

£880
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 7/9

13:45-08:35

2 stops13h 50m

Southampton Eastleigh

Mon 14/9

09:05-22:31

2 stops18h 26m

£918

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 26/10

18:30-17:00

2 stops18h 30m

Southampton Eastleigh

Fri 30/10

08:40-21:32

2 stops16h 52m

£920

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 16/8

10:40-08:45

2 stops17h 05m

Southampton Eastleigh

Mon 24/8

18:05-15:46

2 stops26h 41m

£928

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 8/9

20:30-19:30

3 stops18h 00m

Southampton Eastleigh

Tue 15/9

14:25-17:15

2 stops31h 50m

£960

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Mon 7/9

09:05-23:13

2 stops19h 08m

£971

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 is the most popular carrier 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 48% 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

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.

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