Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Baltimore to London from £366

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 26/9. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Baltimore to London

Cheap return flights

KLM Logo
12:19 - 08:50BWI-SOU
16h 31m2 stops
KLM Logo
08:40 - 00:41SOU-BWI
21h 01m2 stops
£698KLM
Find Deal
Fri, 31 Oct - Fri, 7 Nov
KLM Logo
11:36 - 08:45BWI-SOU
16h 09m2 stops
KLM Logo
09:20 - 22:57SOU-BWI
18h 37m2 stops
£728KLM
Find Deal
Wed, 1 Oct - Sun, 5 Oct
Multiple Airlines Logo
18:50 - 08:40BWI-SOU
32h 50m3 stops
Multiple Airlines Logo
20:00 - 17:40SOU-BWI
26h 40m3 stops
£935Multiple Airlines
Find Deal
Wed, 1 Oct - Sun, 5 Oct
Multiple Airlines Logo
13:17 - 07:30BWI-SOU
37h 13m3 stops
Multiple Airlines Logo
09:10 - 19:25SOU-BWI
15h 15m2 stops
£939Multiple Airlines
Find Deal
Wed, 1 Oct - Sun, 5 Oct
Multiple Airlines Logo
20:40 - 08:45BWI-SOU
32h 05m3 stops
Multiple Airlines Logo
09:30 - 22:54SOU-BWI
42h 24m3 stops
£969Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
20:40 - 13:10BWI-SOU
12h 30m2 stops
Multiple Airlines Logo
08:00 - 08:50SOU-BWI
29h 50m3 stops
£975Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
20:40 - 17:45BWI-SOU
17h 05m2 stops
Multiple Airlines Logo
15:20 - 22:54SOU-BWI
36h 34m3 stops
£978Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
20:40 - 08:45BWI-SOU
32h 05m3 stops
Multiple Airlines Logo
08:00 - 08:50SOU-BWI
29h 50m3 stops
£1,009Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
21:35 - 18:30BWI-SOU
16h 55m2 stops
Multiple Airlines Logo
08:55 - 18:45SOU-BWI
38h 50m2 stops
£1,069Multiple Airlines
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Delta Logo
10:18 - 08:45BWI-SOU
17h 27m2 stops
Delta Logo
09:20 - 23:13SOU-BWI
18h 53m2 stops
£1,144Delta
Find Deal
Thu, 9 Oct - Fri, 24 Oct

KLM flights from Baltimore to Southampton

Our best KLM deals on Baltimore to Southampton flight tickets
KLM
31 Oct
BWI12:19Baltimore/Washington
16h 31m
2 stops
SOU08:50Southampton Eastleigh
7 Nov
SOU08:40Southampton Eastleigh
21h 01m
2 stops
BWI00:41Baltimore/Washington
£698
Find similar
KLM
1 Oct
BWI11:36Baltimore/Washington
16h 09m
2 stops
SOU08:45Southampton Eastleigh
5 Oct
SOU09:20Southampton Eastleigh
18h 37m
2 stops
BWI22:57Baltimore/Washington
£728
Find similar

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 17 September 2025.
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 31/10

12:19-08:50

2 stops16h 31m

Southampton Eastleigh

Fri 7/11

08:40-00:41

2 stops21h 01m

£698

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 1/10

11:36-08:45

2 stops16h 09m

Southampton Eastleigh

Sun 5/10

09:20-22:57

2 stops18h 37m

£728

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 1/10

18:50-08:40

3 stops32h 50m

Southampton Eastleigh

Sun 5/10

20:00-17:40

3 stops26h 40m

£935

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 1/10

13:17-07:30

3 stops37h 13m

Southampton Eastleigh

Sun 5/10

09:10-19:25

2 stops15h 15m

£939

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 1/11

20:40-08:45

3 stops32h 05m

Southampton Eastleigh

Sat 8/11

09:30-22:54

3 stops42h 24m

£969

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 31/10

20:40-13:10

2 stops12h 30m

Southampton Eastleigh

Fri 7/11

08:00-08:50

3 stops29h 50m

£975

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 1/11

20:40-17:45

2 stops17h 05m

Southampton Eastleigh

Sat 8/11

15:20-22:54

3 stops36h 34m

£978

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 31/10

20:40-08:45

3 stops32h 05m

Southampton Eastleigh

Fri 7/11

08:00-08:50

3 stops29h 50m

£1,009

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 1/11

21:35-18:30

2 stops16h 55m

Southampton Eastleigh

Sat 8/11

08:55-18:45

2 stops38h 50m

£1,069

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 9/10

10:18-08:45

2 stops17h 27m

Southampton Eastleigh

Fri 24/10

09:20-23:13

2 stops18h 53m

£1,144

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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 is the most popular carrier operating from Baltimore/Washington to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, Virgin Atlantic and Icelandair 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 44% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 9 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

Direct flights

None
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 12h 30m.

  • 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 17/10
Fri 24/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom