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Cheap flights from Southampton to Washington, D.C. from £344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Washington, D.C. departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Southampton to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
17:45 - 17:54
SOU
-
BWI
28h 09m2 stops
Delta Logo
06:00 - 08:45
BWI
-
SOU
21h 45m2 stops
£427Delta
Sun, 15 Mar - Sat, 11 Apr
Virgin Atlantic Logo
17:35 - 22:53
SOU
-
BWI
34h 18m2 stops
Virgin Atlantic Logo
13:01 - 17:00
BWI
-
SOU
22h 59m2 stops
£471Virgin Atlantic
Thu, 19 Feb - Thu, 26 Feb
Delta Logo
09:25 - 00:35
SOU
-
BWI
20h 10m2 stops
Delta Logo
13:01 - 08:20
BWI
-
SOU
14h 19m2 stops
£496Delta
Wed, 18 Feb - Wed, 25 Feb
Delta Logo
09:25 - 23:01
SOU
-
BWI
17h 36m2 stops
Delta Logo
12:21 - 08:35
BWI
-
SOU
15h 14m2 stops
£564Delta
Sat, 14 Mar - Tue, 14 Apr
Multiple Airlines Logo
17:35 - 18:40
SOU
-
BWI
30h 05m3 stops
Multiple Airlines Logo
19:40 - 19:40
BWI
-
SOU
19h 00m2 stops
£637Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
Multiple Airlines Logo
17:35 - 18:40
SOU
-
BWI
30h 05m3 stops
Multiple Airlines Logo
19:40 - 08:50
BWI
-
SOU
32h 10m3 stops
£695Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
British Airways Logo
19:00 - 19:45
SOU
-
BWI
28h 45m2 stops
British Airways Logo
21:30 - 16:15
BWI
-
SOU
13h 45m2 stops
£699British Airways
Fri, 20 Mar - Wed, 15 Apr
British Airways Logo
19:00 - 19:45
SOU
-
BWI
28h 45m2 stops
British Airways Logo
21:30 - 16:15
BWI
-
SOU
37h 45m2 stops
£707British Airways
Fri, 20 Mar - Thu, 16 Apr
Multiple Airlines Logo
09:25 - 18:40
SOU
-
BWI
14h 15m2 stops
Multiple Airlines Logo
19:40 - 18:30
BWI
-
SOU
17h 50m3 stops
£777Multiple Airlines
Wed, 18 Feb - Wed, 25 Feb
Multiple Airlines Logo
09:25 - 22:53
SOU
-
BWI
42h 28m3 stops
Multiple Airlines Logo
19:40 - 18:30
BWI
-
SOU
17h 50m3 stops
£965Multiple Airlines
Wed, 18 Feb - Wed, 25 Feb

Delta flights from Southampton to Baltimore

Our best Delta deals on Southampton to Baltimore flight tickets
Delta
15 Mar
SOU17:45Southampton Eastleigh
28h 09m
2 stops
BWI17:54Baltimore/Washington
11 Apr
BWI06:00Baltimore/Washington
21h 45m
2 stops
SOU08:45Southampton Eastleigh
£427
Find similar
Delta
18 Feb
SOU09:25Southampton Eastleigh
20h 10m
2 stops
BWI00:35Baltimore/Washington
25 Feb
BWI13:01Baltimore/Washington
14h 19m
2 stops
SOU08:20Southampton Eastleigh
£496
Find similar
Delta
14 Mar
SOU09:25Southampton Eastleigh
17h 36m
2 stops
BWI23:01Baltimore/Washington
14 Apr
BWI12:21Baltimore/Washington
15h 14m
2 stops
SOU08:35Southampton Eastleigh
£564
Find similar

British Airways flights from Southampton to Baltimore

Our best British Airways deals on Southampton to Baltimore flight tickets
British Airways
20 Mar
SOU19:00Southampton Eastleigh
28h 45m
2 stops
BWI19:45Baltimore/Washington
15 Apr
BWI21:30Baltimore/Washington
13h 45m
2 stops
SOU16:15Southampton Eastleigh
£699
Find similar
British Airways
20 Mar
SOU19:00Southampton Eastleigh
28h 45m
2 stops
BWI19:45Baltimore/Washington
16 Apr
BWI21:30Baltimore/Washington
37h 45m
2 stops
SOU16:15Southampton Eastleigh
£707
Find similar
British Airways
13 Feb
SOU20:35Southampton Eastleigh
27h 10m
2 stops
BWI18:45Baltimore/Washington
1 Mar
BWI20:35Baltimore/Washington
14h 45m
2 stops
SOU16:20Southampton Eastleigh
£1,127
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Baltimore 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 6 January 2026.
Use the filters below to find and compare flights from Southampton to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 15/3

17:45-17:54

2 stops28h 09m

Baltimore/Washington

Sat 11/4

06:00-08:45

2 stops21h 45m

£427

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 19/2

17:35-22:53

2 stops34h 18m

Baltimore/Washington

Thu 26/2

13:01-17:00

2 stops22h 59m

£471

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 18/2

09:25-00:35

2 stops20h 10m

Baltimore/Washington

Wed 25/2

13:01-08:20

2 stops14h 19m

£496

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 14/3

09:25-23:01

2 stops17h 36m

Baltimore/Washington

Tue 14/4

12:21-08:35

2 stops15h 14m

£564

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 19/2

17:35-18:40

3 stops30h 05m

Baltimore/Washington

Thu 26/2

19:40-19:40

2 stops19h 00m

£637

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 19/2

17:35-18:40

3 stops30h 05m

Baltimore/Washington

Thu 26/2

19:40-08:50

3 stops32h 10m

£695

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 20/3

19:00-19:45

2 stops28h 45m

Baltimore/Washington

Wed 15/4

21:30-16:15

2 stops13h 45m

£699

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 20/3

19:00-19:45

2 stops28h 45m

Baltimore/Washington

Thu 16/4

21:30-16:15

2 stops37h 45m

£707

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 18/2

09:25-18:40

2 stops14h 15m

Baltimore/Washington

Wed 25/2

19:40-18:30

3 stops17h 50m

£777

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 18/2

09:25-22:53

3 stops42h 28m

Baltimore/Washington

Wed 25/2

19:40-18:30

3 stops17h 50m

£965

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Southampton to Baltimore

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 day to depart on your flight to Baltimore?

The cheapest day to depart from Southampton to Baltimore is on a Tuesday. Travellers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as £578. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £708. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

According to our data, the cheapest time of day to fly to Baltimore is in the afternoon. momondo users have found flights departing from Southampton to Baltimore in the afternoon for as low as £635. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at midday because they tend to be around £808. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Southampton to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to Baltimore (SOU to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Baltimore

Fastest flight time

15h 45m

Direct flights

None
The fastest flight from Southampton to Baltimore takes 15h 45m
There are no direct flights from Southampton to Baltimore. There are no popular flight routes from Southampton to Baltimore.
Search flight deals

  • How far is Southampton Eastleigh to Baltimore/Washington by plane?

    Southampton Eastleigh and Baltimore/Washington are 3588.2 mi apart from one another. In terms of flight time, this usually takes a little over 15h 45m.

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Baltimore/Washington Airport?

    Prices for flights from Southampton Eastleigh Airport to Baltimore/Washington Airport refresh daily.

  • How old do you have to be to fly from Southampton Eastleigh Airport to Baltimore/Washington 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 Southampton Eastleigh Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Baltimore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southampton to Baltimore for you.

Can I find flights from Southampton to Baltimore with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Southampton to Baltimore flights to just show those with flexible booking policies.

How can momondo help me find flights from Southampton to Baltimore?

momondo provides multiple filters to help you find the best flight to Baltimore from Southampton. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Southampton to Baltimore right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Southampton to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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