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Cheap flights from Baltimore to London from £312

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
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
06:30 - 09:45
BWI
-
SOU
46h 15m
3 stops
Multiple Airlines Logo
09:20 - 22:15
SOU
-
BWI
17h 55m
2 stops
£869Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Delta Logo
14:10 - 08:45
BWI
-
SOU
13h 35m
2 stops
Delta Logo
09:15 - 22:54
SOU
-
BWI
18h 39m
2 stops
£907Delta
Sat, 15 Aug - Sun, 30 Aug
Multiple Airlines Logo
06:30 - 09:45
BWI
-
SOU
46h 15m
3 stops
Multiple Airlines Logo
18:25 - 19:25
SOU
-
BWI
30h 00m
3 stops
£936Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
23:20 - 17:50
BWI
-
SOU
13h 30m
2 stops
Multiple Airlines Logo
09:20 - 19:06
SOU
-
BWI
38h 46m
3 stops
£964Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Delta Logo
18:29 - 16:50
BWI
-
SOU
17h 21m
2 stops
Delta Logo
09:05 - 23:13
SOU
-
BWI
19h 08m
2 stops
£980Delta
Tue, 2 Jun - Tue, 9 Jun
Multiple Airlines Logo
06:30 - 09:45
BWI
-
SOU
46h 15m
3 stops
Multiple Airlines Logo
06:45 - 22:15
SOU
-
BWI
20h 30m
3 stops
£992Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
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
£1,004Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:42
SOU
-
BWI
18h 37m
2 stops
£1,012Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:42
SOU
-
BWI
18h 37m
2 stops
£1,013Delta
Sat, 29 Aug - Mon, 7 Sep
Delta Logo
10:00 - 08:45
BWI
-
SOU
17h 45m
2 stops
Delta Logo
09:05 - 22:42
SOU
-
BWI
18h 37m
2 stops
£1,015Delta
Sat, 29 Aug - Mon, 7 Sep

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KLM flights from Baltimore to Southampton

Our best KLM deals on Baltimore to Southampton flight tickets
KLM
4 Jun
BWI11:05Baltimore/Washington
16h 30m
2 stops
SOU08:35Southampton Eastleigh
10 Jun
SOU09:05Southampton Eastleigh
20h 35m
2 stops
BWI00:40Baltimore/Washington
£1,120
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
£1,186
KLM
27 Jun
BWI14:16Baltimore/Washington
13h 29m
2 stops
SOU08:45Southampton Eastleigh
14 Jul
SOU09:15Southampton Eastleigh
17h 14m
2 stops
BWI21:29Baltimore/Washington
£2,285

Delta flights from Baltimore to Southampton

Our best Delta deals on Baltimore to Southampton flight tickets
Delta
15 Aug
BWI14:10Baltimore/Washington
13h 35m
2 stops
SOU08:45Southampton Eastleigh
30 Aug
SOU09:15Southampton Eastleigh
18h 39m
2 stops
BWI22:54Baltimore/Washington
£907
Delta
2 Jun
BWI18:29Baltimore/Washington
17h 21m
2 stops
SOU16:50Southampton Eastleigh
9 Jun
SOU09:05Southampton Eastleigh
19h 08m
2 stops
BWI23:13Baltimore/Washington
£980
Delta
29 Aug
BWI10:00Baltimore/Washington
17h 45m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU09:05Southampton Eastleigh
18h 37m
2 stops
BWI22:42Baltimore/Washington
£1,012

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 23 April 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 4/6

06:30-09:45

3 stops46h 15m

Southampton Eastleigh

Thu 11/6

09:20-22:15

2 stops17h 55m

£869
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 15/8

14:10-08:45

2 stops13h 35m

Southampton Eastleigh

Sun 30/8

09:15-22:54

2 stops18h 39m

£907

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 4/6

06:30-09:45

3 stops46h 15m

Southampton Eastleigh

Wed 10/6

18:25-19:25

3 stops30h 00m

£936

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 6/6

23:20-17:50

2 stops13h 30m

Southampton Eastleigh

Sat 13/6

09:20-19:06

3 stops38h 46m

£964

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 2/6

18:29-16:50

2 stops17h 21m

Southampton Eastleigh

Tue 9/6

09:05-23:13

2 stops19h 08m

£980

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 4/6

06:30-09:45

3 stops46h 15m

Southampton Eastleigh

Thu 11/6

06:45-22:15

3 stops20h 30m

£992

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 4/6

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Thu 11/6

09:20-19:25

2 stops15h 05m

£1,004

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

£1,012

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

£1,013

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

£1,015

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 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

13h 35m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 13h 35m
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 35m.

  • 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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