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Cheap flights from Baltimore to London from £440

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 5/9. 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.
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
£737Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
Delta Logo
11:34 - 08:45
BWI
-
SOU
16h 11m
2 stops
Delta Logo
09:05 - 21:27
SOU
-
BWI
17h 22m
2 stops
£843Delta
Tue, 15 Sep - Tue, 22 Sep
Delta Logo
09:45 - 08:35
BWI
-
SOU
17h 50m
2 stops
Delta Logo
09:25 - 21:35
SOU
-
BWI
16h 10m
2 stops
£870Delta
Wed, 21 Oct - Sat, 31 Oct
Delta Logo
06:03 - 08:35
BWI
-
SOU
21h 32m
2 stops
Delta Logo
09:05 - 20:46
SOU
-
BWI
16h 41m
2 stops
£871Delta
Thu, 8 Oct - Tue, 13 Oct
Delta Logo
13:45 - 08:45
BWI
-
SOU
14h 00m
2 stops
Delta Logo
09:05 - 21:28
SOU
-
BWI
17h 23m
2 stops
£880Delta
Mon, 17 Aug - Mon, 31 Aug
Multiple Airlines Logo
20:30 - 20:45
BWI
-
SOU
19h 15m
2 stops
Multiple Airlines Logo
17:20 - 22:15
SOU
-
BWI
33h 55m
3 stops
£895Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
Delta Logo
18:20 - 17:00
BWI
-
SOU
17h 40m
2 stops
Delta Logo
09:15 - 22:39
SOU
-
BWI
18h 24m
2 stops
£907Delta
Fri, 7 Aug - Thu, 13 Aug
Delta Logo
09:15 - 08:45
BWI
-
SOU
18h 30m
2 stops
Delta Logo
09:25 - 21:35
SOU
-
BWI
16h 10m
2 stops
£907Delta
Fri, 23 Oct - Sat, 31 Oct
Aer Lingus Logo
21:30 - 19:30
BWI
-
SOU
17h 00m
2 stops
Aer Lingus Logo
09:20 - 00:16
SOU
-
BWI
18h 56m
2 stops
£943Aer Lingus
Wed, 21 Oct - Sat, 31 Oct
KLM Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
KLM Logo
09:05 - 22:39
SOU
-
BWI
18h 34m
2 stops
£952KLM
Sat, 29 Aug - Mon, 7 Sep

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British Airways flights from Baltimore to Southampton

Our best British Airways deals on Baltimore to Southampton flight tickets
British Airways
16 Nov
BWI20:35Baltimore/Washington
19h 20m
2 stops
SOU20:55Southampton Eastleigh
19 Nov
SOU19:55Southampton Eastleigh
27h 50m
2 stops
BWI18:45Baltimore/Washington
£3,716
British Airways
26 Sept
BWI19:25Baltimore/Washington
33h 20m
2 stops
SOU09:45Southampton Eastleigh
30 Sept
SOU19:55Southampton Eastleigh
28h 45m
2 stops
BWI19:40Baltimore/Washington
£3,723
British Airways
26 Sept
BWI19:25Baltimore/Washington
33h 20m
2 stops
SOU09:45Southampton Eastleigh
30 Sept
SOU19:55Southampton Eastleigh
28h 45m
2 stops
BWI19:40Baltimore/Washington
£3,724

Aer Lingus flights from Baltimore to Southampton

Our best Aer Lingus deals on Baltimore to Southampton flight tickets
Aer Lingus
21 Oct
BWI21:30Baltimore/Washington
17h 00m
2 stops
SOU19:30Southampton Eastleigh
31 Oct
SOU09:20Southampton Eastleigh
18h 56m
2 stops
BWI00:16Baltimore/Washington
£943
Aer Lingus
14 Oct
BWI21:30Baltimore/Washington
17h 00m
2 stops
SOU19:30Southampton Eastleigh
31 Oct
SOU08:55Southampton Eastleigh
38h 50m
2 stops
BWI19:45Baltimore/Washington
£3,457

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 15 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

Tue 25/8

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Tue 1/9

09:15-19:25

2 stops15h 10m

£737

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 15/9

11:34-08:45

2 stops16h 11m

Southampton Eastleigh

Tue 22/9

09:05-21:27

2 stops17h 22m

£843

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 21/10

09:45-08:35

2 stops17h 50m

Southampton Eastleigh

Sat 31/10

09:25-21:35

2 stops16h 10m

£870

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 8/10

06:03-08:35

2 stops21h 32m

Southampton Eastleigh

Tue 13/10

09:05-20:46

2 stops16h 41m

£871
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 17/8

13:45-08:45

2 stops14h 00m

Southampton Eastleigh

Mon 31/8

09:05-21:28

2 stops17h 23m

£880

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 25/8

20:30-20:45

2 stops19h 15m

Southampton Eastleigh

Tue 1/9

17:20-22:15

3 stops33h 55m

£895

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 7/8

18:20-17:00

2 stops17h 40m

Southampton Eastleigh

Thu 13/8

09:15-22:39

2 stops18h 24m

£907

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 23/10

09:15-08:45

2 stops18h 30m

Southampton Eastleigh

Sat 31/10

09:25-21:35

2 stops16h 10m

£907

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 21/10

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 31/10

09:20-00:16

2 stops18h 56m

£943

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:39

2 stops18h 34m

£952

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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

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.

An easier way to manage your Southampton trip

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