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Cheap flights from Baltimore to London from £283

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 3/9. 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.
KLM Logo
13:45 - 08:45
BWI
-
SOU
14h 00m
2 stops
KLM Logo
09:05 - 21:13
SOU
-
BWI
17h 08m
2 stops
£882KLM
Mon, 24 Aug - Mon, 14 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
£952Delta
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
£953Delta
Sat, 29 Aug - Mon, 7 Sep
Multiple Airlines Logo
20:30 - 08:25
BWI
-
SOU
30h 55m
3 stops
Multiple Airlines Logo
11:40 - 19:25
SOU
-
BWI
12h 45m
2 stops
£961Multiple Airlines
Thu, 30 Jul - Thu, 6 Aug
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
11:35 - 08:45
BWI
-
SOU
16h 10m
2 stops
Delta Logo
09:15 - 22:39
SOU
-
BWI
18h 24m
2 stops
£1,039Delta
Thu, 30 Jul - Thu, 6 Aug
Delta Logo
18:50 - 17:00
BWI
-
SOU
17h 10m
2 stops
Delta Logo
09:15 - 21:28
SOU
-
BWI
17h 13m
2 stops
£1,073Delta
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
23:20 - 08:25
BWI
-
SOU
28h 05m
3 stops
Multiple Airlines Logo
07:50 - 19:25
SOU
-
BWI
16h 35m
2 stops
£1,123Multiple Airlines
Sat, 1 Aug - Sat, 8 Aug
Multiple Airlines Logo
20:30 - 19:25
BWI
-
SOU
17h 55m
3 stops
Multiple Airlines Logo
06:45 - 19:25
SOU
-
BWI
17h 40m
3 stops
£1,199Multiple Airlines
Thu, 30 Jul - Thu, 6 Aug
Multiple Airlines Logo
21:30 - 19:30
BWI
-
SOU
17h 00m
2 stops
Multiple Airlines Logo
16:45 - 19:45
SOU
-
BWI
32h 00m
2 stops
£1,202Multiple Airlines
Sat, 17 Oct - Sat, 24 Oct

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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
£952
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
£953
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

British Airways flights from Baltimore to Southampton

Our best British Airways deals on Baltimore to Southampton flight tickets
British Airways
26 Jul
BWI21:35Baltimore/Washington
16h 50m
2 stops
SOU19:25Southampton Eastleigh
29 Jul
SOU06:45Southampton Eastleigh
17h 55m
2 stops
BWI19:40Baltimore/Washington
£3,531
British Airways
28 Sept
BWI21:30Baltimore/Washington
15h 15m
2 stops
SOU17:45Southampton Eastleigh
5 Oct
SOU08:55Southampton Eastleigh
15h 45m
2 stops
BWI19:40Baltimore/Washington
£3,533

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 18 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
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 24/8

13:45-08:45

2 stops14h 00m

Southampton Eastleigh

Mon 14/9

09:05-21:13

2 stops17h 08m

£882

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

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

£953

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 30/7

20:30-08:25

3 stops30h 55m

Southampton Eastleigh

Thu 6/8

11:40-19:25

2 stops12h 45m

£961

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

Thu 30/7

11:35-08:45

2 stops16h 10m

Southampton Eastleigh

Thu 6/8

09:15-22:39

2 stops18h 24m

£1,039

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 1/8

18:50-17:00

2 stops17h 10m

Southampton Eastleigh

Sat 8/8

09:15-21:28

2 stops17h 13m

£1,073

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 1/8

23:20-08:25

3 stops28h 05m

Southampton Eastleigh

Sat 8/8

07:50-19:25

2 stops16h 35m

£1,123

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 30/7

20:30-19:25

3 stops17h 55m

Southampton Eastleigh

Thu 6/8

06:45-19:25

3 stops17h 40m

£1,199

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 17/10

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 24/10

16:45-19:45

2 stops32h 00m

£1,202

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 and KLM 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 49% 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.
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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.

An easier way to manage your Southampton trip

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