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Cheap flights from Baltimore to London from £315

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 8/9. 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.
Delta Logo
13:00 - 08:35
BWI
-
SOU
14h 35m
2 stops
Delta Logo
17:20 - 18:09
SOU
-
BWI
29h 49m
2 stops
£866Delta
Tue, 1 Sep - Tue, 22 Sep
Delta Logo
13:00 - 08:35
BWI
-
SOU
14h 35m
2 stops
Delta Logo
09:05 - 09:43
SOU
-
BWI
29h 38m
2 stops
£871Delta
Tue, 1 Sep - Fri, 25 Sep
Delta Logo
13:00 - 16:50
BWI
-
SOU
22h 50m
2 stops
Delta Logo
17:20 - 16:57
SOU
-
BWI
28h 37m
2 stops
£890Delta
Mon, 31 Aug - Tue, 22 Sep
Delta Logo
06:00 - 16:50
BWI
-
SOU
29h 50m
2 stops
Delta Logo
17:20 - 09:43
SOU
-
BWI
45h 23m
2 stops
£894Delta
Mon, 31 Aug - Thu, 24 Sep
Delta Logo
10:00 - 16:50
BWI
-
SOU
25h 50m
2 stops
Delta Logo
17:20 - 00:16
SOU
-
BWI
35h 56m
2 stops
£903Delta
Sun, 6 Sep - Sat, 19 Sep
Delta Logo
17:33 - 16:50
BWI
-
SOU
18h 17m
2 stops
Delta Logo
17:20 - 00:16
SOU
-
BWI
35h 56m
2 stops
£912Delta
Wed, 2 Sep - Wed, 23 Sep
Delta Logo
17:33 - 16:50
BWI
-
SOU
18h 17m
2 stops
Delta Logo
17:20 - 09:43
SOU
-
BWI
45h 23m
2 stops
£917Delta
Wed, 2 Sep - Thu, 24 Sep
Delta Logo
19:40 - 16:50
BWI
-
SOU
16h 10m
2 stops
Delta Logo
17:20 - 20:51
SOU
-
BWI
32h 31m
2 stops
£927Delta
Mon, 31 Aug - Sat, 19 Sep
Delta Logo
16:39 - 08:35
BWI
-
SOU
34h 56m
2 stops
Delta Logo
09:05 - 00:16
SOU
-
BWI
20h 11m
2 stops
£950Delta
Sat, 5 Sep - Tue, 22 Sep
Delta Logo
16:39 - 08:35
BWI
-
SOU
34h 56m
2 stops
Delta Logo
09:05 - 09:43
SOU
-
BWI
29h 38m
2 stops
£954Delta
Sat, 5 Sep - Fri, 25 Sep

Delta flights from Baltimore to Southampton

Our best Delta deals on Baltimore to Southampton flight tickets
Delta
1 Sept
BWI13:00Baltimore/Washington
14h 35m
2 stops
SOU08:35Southampton Eastleigh
22 Sept
SOU17:20Southampton Eastleigh
29h 49m
2 stops
BWI18:09Baltimore/Washington
£866
Delta
1 Sept
BWI13:00Baltimore/Washington
14h 35m
2 stops
SOU08:35Southampton Eastleigh
25 Sept
SOU09:05Southampton Eastleigh
29h 38m
2 stops
BWI09:43Baltimore/Washington
£871
Delta
31 Aug
BWI13:00Baltimore/Washington
22h 50m
2 stops
SOU16:50Southampton Eastleigh
22 Sept
SOU17:20Southampton Eastleigh
28h 37m
2 stops
BWI16:57Baltimore/Washington
£890

KLM flights from Baltimore to Southampton

Our best KLM deals on Baltimore to Southampton flight tickets
KLM
24 May
BWI15:00Baltimore/Washington
36h 35m
2 stops
SOU08:35Southampton Eastleigh
31 May
SOU09:15Southampton Eastleigh
37h 49m
2 stops
BWI18:04Baltimore/Washington
£1,105
KLM
22 May
BWI19:41Baltimore/Washington
16h 09m
2 stops
SOU16:50Southampton Eastleigh
29 May
SOU09:05Southampton Eastleigh
19h 41m
2 stops
BWI23:46Baltimore/Washington
£1,221

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 10 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

Tue 1/9

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Tue 22/9

17:20-18:09

2 stops29h 49m

£866
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 1/9

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Fri 25/9

09:05-09:43

2 stops29h 38m

£871

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 31/8

13:00-16:50

2 stops22h 50m

Southampton Eastleigh

Tue 22/9

17:20-16:57

2 stops28h 37m

£890

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 31/8

06:00-16:50

2 stops29h 50m

Southampton Eastleigh

Thu 24/9

17:20-09:43

2 stops45h 23m

£894

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 6/9

10:00-16:50

2 stops25h 50m

Southampton Eastleigh

Sat 19/9

17:20-00:16

2 stops35h 56m

£903

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 2/9

17:33-16:50

2 stops18h 17m

Southampton Eastleigh

Wed 23/9

17:20-00:16

2 stops35h 56m

£912

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 2/9

17:33-16:50

2 stops18h 17m

Southampton Eastleigh

Thu 24/9

17:20-09:43

2 stops45h 23m

£917

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 31/8

19:40-16:50

2 stops16h 10m

Southampton Eastleigh

Sat 19/9

17:20-20:51

2 stops32h 31m

£927

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 5/9

16:39-08:35

2 stops34h 56m

Southampton Eastleigh

Tue 22/9

09:05-00:16

2 stops20h 11m

£950

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 5/9

16:39-08:35

2 stops34h 56m

Southampton Eastleigh

Fri 25/9

09:05-09:43

2 stops29h 38m

£954

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?

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

15h 10m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 15h 10m
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 15h 10m.

  • 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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