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Cheap flights from Baltimore to London from £284

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 6/7. 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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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
10:54 - 08:45
BWI
-
SOU
16h 51m
2 stops
Delta Logo
09:05 - 23:59
SOU
-
BWI
19h 54m
2 stops
£594Delta
Fri, 3 Apr - Thu, 9 Apr
Delta Logo
10:54 - 08:45
BWI
-
SOU
16h 51m
2 stops
Delta Logo
09:05 - 11:42
SOU
-
BWI
31h 37m
2 stops
£598Delta
Fri, 3 Apr - Fri, 10 Apr
Delta Logo
10:54 - 08:35
BWI
-
SOU
16h 41m
2 stops
Delta Logo
09:05 - 23:26
SOU
-
BWI
19h 21m
2 stops
£634Delta
Thu, 9 Apr - Thu, 16 Apr
Delta Logo
12:25 - 08:45
BWI
-
SOU
15h 20m
2 stops
Delta Logo
17:20 - 19:19
SOU
-
BWI
30h 59m
2 stops
£676Delta
Sat, 4 Apr - Sat, 11 Apr
Aer Lingus Logo
21:30 - 19:30
BWI
-
SOU
17h 00m
2 stops
Aer Lingus Logo
17:20 - 19:45
SOU
-
BWI
31h 25m
2 stops
£823Aer Lingus
Mon, 3 Aug - Sat, 22 Aug
Multiple Airlines Logo
21:30 - 19:30
BWI
-
SOU
17h 00m
2 stops
Multiple Airlines Logo
20:00 - 19:40
SOU
-
BWI
28h 40m
2 stops
£833Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr
Multiple Airlines Logo
20:30 - 08:25
BWI
-
SOU
30h 55m
3 stops
Multiple Airlines Logo
08:00 - 19:25
SOU
-
BWI
16h 25m
2 stops
£841Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr
Delta Logo
06:10 - 08:35
BWI
-
SOU
21h 25m
2 stops
Delta Logo
09:05 - 22:13
SOU
-
BWI
18h 08m
2 stops
£899Delta
Wed, 24 Jun - Thu, 2 Jul
Multiple Airlines Logo
20:30 - 08:35
BWI
-
SOU
31h 05m
3 stops
Multiple Airlines Logo
09:25 - 20:04
SOU
-
BWI
39h 39m
3 stops
£944Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr
Multiple Airlines Logo
11:05 - 08:45
BWI
-
SOU
16h 40m
2 stops
Multiple Airlines Logo
09:15 - 00:15
SOU
-
BWI
20h 00m
2 stops
£975Multiple Airlines
Fri, 5 Jun - Sat, 20 Jun

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
17h 00m
2 stops
SOU19:30Southampton Eastleigh
22 Aug
SOU17:20Southampton Eastleigh
31h 25m
2 stops
BWI19:45Baltimore/Washington
£823
Aer Lingus
28 May
BWI21:30Baltimore/Washington
17h 00m
2 stops
SOU19:30Southampton Eastleigh
8 Jun
SOU20:00Southampton Eastleigh
28h 40m
2 stops
BWI19:40Baltimore/Washington
£1,055
Aer Lingus
23 May
BWI21:30Baltimore/Washington
17h 00m
2 stops
SOU19:30Southampton Eastleigh
30 May
SOU20:00Southampton Eastleigh
28h 45m
2 stops
BWI19:45Baltimore/Washington
£1,077

Delta flights from Baltimore to Southampton

Our best Delta deals on Baltimore to Southampton flight tickets
Delta
27 Feb
BWI06:05Baltimore/Washington
29h 55m
2 stops
SOU17:00Southampton Eastleigh
8 Mar
SOU17:45Southampton Eastleigh
35h 08m
2 stops
BWI00:53Baltimore/Washington
£583
Delta
3 Apr
BWI10:54Baltimore/Washington
16h 51m
2 stops
SOU08:45Southampton Eastleigh
9 Apr
SOU09:05Southampton Eastleigh
19h 54m
2 stops
BWI23:59Baltimore/Washington
£594
Delta
3 Apr
BWI10:54Baltimore/Washington
16h 51m
2 stops
SOU08:45Southampton Eastleigh
10 Apr
SOU09:05Southampton Eastleigh
31h 37m
2 stops
BWI11:42Baltimore/Washington
£598

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 26 February 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

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 3/4

10:54-08:45

2 stops16h 51m

Southampton Eastleigh

Thu 9/4

09:05-23:59

2 stops19h 54m

£594

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 3/4

10:54-08:45

2 stops16h 51m

Southampton Eastleigh

Fri 10/4

09:05-11:42

2 stops31h 37m

£598

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 9/4

10:54-08:35

2 stops16h 41m

Southampton Eastleigh

Thu 16/4

09:05-23:26

2 stops19h 21m

£634

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 4/4

12:25-08:45

2 stops15h 20m

Southampton Eastleigh

Sat 11/4

17:20-19:19

2 stops30h 59m

£676

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 3/8

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 22/8

17:20-19:45

2 stops31h 25m

£823

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 10/4

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Fri 17/4

20:00-19:40

2 stops28h 40m

£833

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 10/4

20:30-08:25

3 stops30h 55m

Southampton Eastleigh

Fri 17/4

08:00-19:25

2 stops16h 25m

£841

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 24/6

06:10-08:35

2 stops21h 25m

Southampton Eastleigh

Thu 2/7

09:05-22:13

2 stops18h 08m

£899

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 10/4

20:30-08:35

3 stops31h 05m

Southampton Eastleigh

Fri 17/4

09:25-20:04

3 stops39h 39m

£944

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 5/6

11:05-08:45

2 stops16h 40m

Southampton Eastleigh

Sat 20/6

09:15-00:15

2 stops20h 00m

£975

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 48% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 8 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

16h 40m

Direct flights

None
The fastest flight from Baltimore to Southampton takes 16h 40m
There are no direct flights from Baltimore to Southampton. There are no popular flight routes from Baltimore to Southampton.
Search flight deals

  • 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 16h 40m.

  • 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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