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Cheap flights from Baltimore to London from £383

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
09:20 - 22:15
SOU
-
BWI
17h 55m
2 stops
£741Multiple Airlines
Thu, 23 Jul - Thu, 30 Jul
Multiple Airlines Logo
20:30 - 08:45
BWI
-
SOU
31h 15m
3 stops
Multiple Airlines Logo
09:20 - 22:15
SOU
-
BWI
17h 55m
2 stops
£755Multiple Airlines
Thu, 23 Jul - Thu, 30 Jul
KLM Logo
13:45 - 08:45
BWI
-
SOU
14h 00m
2 stops
KLM Logo
09:05 - 09:16
SOU
-
BWI
29h 11m
2 stops
£845KLM
Wed, 12 Aug - Tue, 8 Sep
Multiple Airlines Logo
20:30 - 19:30
BWI
-
SOU
18h 00m
2 stops
Multiple Airlines Logo
09:20 - 19:25
SOU
-
BWI
15h 05m
2 stops
£869Multiple Airlines
Wed, 22 Jul - Wed, 29 Jul
Multiple Airlines Logo
20:30 - 12:05
BWI
-
SOU
34h 35m
3 stops
Multiple Airlines Logo
19:55 - 17:15
SOU
-
BWI
50h 20m
2 stops
£938Multiple Airlines
Mon, 27 Jul - Mon, 3 Aug
KLM Logo
11:35 - 08:45
BWI
-
SOU
16h 10m
2 stops
KLM Logo
18:05 - 17:47
SOU
-
BWI
28h 42m
2 stops
£962KLM
Mon, 27 Jul - Mon, 3 Aug
Multiple Airlines Logo
20:30 - 08:25
BWI
-
SOU
30h 55m
3 stops
Multiple Airlines Logo
09:20 - 19:25
SOU
-
BWI
15h 05m
2 stops
£983Multiple Airlines
Wed, 22 Jul - Wed, 29 Jul
Delta Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
Delta Logo
09:05 - 22:39
SOU
-
BWI
18h 34m
2 stops
£993Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
Delta Logo
09:05 - 23:18
SOU
-
BWI
19h 13m
2 stops
£995Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
13:00 - 08:45
BWI
-
SOU
14h 45m
2 stops
Delta Logo
09:05 - 22:39
SOU
-
BWI
18h 34m
2 stops
£1,031Delta
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
29 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
18h 34m
2 stops
BWI22:39Baltimore/Washington
£993
Delta
29 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
19h 13m
2 stops
BWI23:18Baltimore/Washington
£995
Delta
29 Aug
BWI13:00Baltimore/Washington
14h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
18h 34m
2 stops
BWI22:39Baltimore/Washington
£1,031

Aer Lingus flights from Baltimore to Southampton

Our best Aer Lingus deals on Baltimore to Southampton flight tickets
Aer Lingus
3 Aug
BWI21:30Baltimore/Washington
29h 35m
2 stops
SOU08:05Southampton Eastleigh
8 Aug
SOU20:00Southampton Eastleigh
28h 45m
2 stops
BWI19:45Baltimore/Washington
£1,280
Aer Lingus
19 Jun
BWI21:30Baltimore/Washington
17h 00m
2 stops
SOU19:30Southampton Eastleigh
5 Jul
SOU20:00Southampton Eastleigh
28h 40m
2 stops
BWI19:40Baltimore/Washington
£1,718

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 12 June 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

Thu 23/7

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Thu 30/7

09:20-22:15

2 stops17h 55m

£741

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 23/7

20:30-08:45

3 stops31h 15m

Southampton Eastleigh

Thu 30/7

09:20-22:15

2 stops17h 55m

£755

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 12/8

13:45-08:45

2 stops14h 00m

Southampton Eastleigh

Tue 8/9

09:05-09:16

2 stops29h 11m

£845
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 22/7

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Wed 29/7

09:20-19:25

2 stops15h 05m

£869

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 27/7

20:30-12:05

3 stops34h 35m

Southampton Eastleigh

Mon 3/8

19:55-17:15

2 stops50h 20m

£938

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 27/7

11:35-08:45

2 stops16h 10m

Southampton Eastleigh

Mon 3/8

18:05-17:47

2 stops28h 42m

£962

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 22/7

20:30-08:25

3 stops30h 55m

Southampton Eastleigh

Wed 29/7

09:20-19:25

2 stops15h 05m

£983

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

£993

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Mon 7/9

09:05-23:18

2 stops19h 13m

£995

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

£1,031

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?

KLM, Virgin Atlantic, and Delta are the most popular carriers 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 50% 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 45m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 14h 45m
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 45m.

  • 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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