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Cheap flights from Southampton to Washington, D.C. from £434

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 22/8. 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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0 bags
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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.
Multiple Airlines Logo
20:00 - 19:45
SOU
-
BWI
27h 45m
2 stops
Multiple Airlines Logo
20:35 - 19:30
BWI
-
SOU
17h 55m
2 stops
£804Multiple Airlines
Thu, 29 Oct - Thu, 5 Nov
Multiple Airlines Logo
20:00 - 19:45
SOU
-
BWI
27h 45m
2 stops
Multiple Airlines Logo
20:35 - 19:30
BWI
-
SOU
17h 55m
2 stops
£806Multiple Airlines
Thu, 29 Oct - Thu, 5 Nov
KLM Logo
08:50 - 09:16
SOU
-
BWI
28h 26m
2 stops
KLM Logo
13:00 - 08:05
BWI
-
SOU
14h 05m
2 stops
£816KLM
Thu, 29 Oct - Thu, 5 Nov
KLM Logo
08:40 - 09:16
SOU
-
BWI
28h 36m
2 stops
KLM Logo
13:00 - 08:05
BWI
-
SOU
14h 05m
2 stops
£819KLM
Thu, 29 Oct - Thu, 5 Nov
British Airways Logo
06:45 - 17:15
SOU
-
BWI
15h 30m
2 stops
British Airways Logo
19:25 - 14:45
BWI
-
SOU
14h 20m
2 stops
£851British Airways
Wed, 16 Sep - Wed, 30 Sep
British Airways Logo
06:50 - 17:15
SOU
-
BWI
15h 25m
2 stops
British Airways Logo
21:35 - 20:55
BWI
-
SOU
18h 20m
2 stops
£865British Airways
Wed, 2 Sep - Sun, 6 Sep
British Airways Logo
06:50 - 17:15
SOU
-
BWI
15h 25m
2 stops
British Airways Logo
21:35 - 20:55
BWI
-
SOU
18h 20m
2 stops
£867British Airways
Wed, 2 Sep - Sun, 6 Sep
British Airways Logo
06:45 - 17:15
SOU
-
BWI
15h 30m
2 stops
British Airways Logo
21:30 - 17:45
BWI
-
SOU
15h 15m
2 stops
£927British Airways
Wed, 9 Sep - Mon, 21 Sep
British Airways Logo
06:50 - 19:40
SOU
-
BWI
17h 50m
2 stops
British Airways Logo
21:35 - 19:25
BWI
-
SOU
16h 50m
2 stops
£1,035British Airways
Mon, 8 Jun - Sun, 14 Jun
Aer Lingus Logo
09:20 - 19:45
SOU
-
BWI
39h 25m
2 stops
Aer Lingus Logo
21:30 - 19:30
BWI
-
SOU
17h 00m
2 stops
£1,126Aer Lingus
Sat, 6 Jun - Fri, 12 Jun

British Airways flights from Southampton to Baltimore

Our best British Airways deals on Southampton to Baltimore flight tickets
British Airways
16 Sept
SOU06:45Southampton Eastleigh
15h 30m
2 stops
BWI17:15Baltimore/Washington
30 Sept
BWI19:25Baltimore/Washington
14h 20m
2 stops
SOU14:45Southampton Eastleigh
£851
British Airways
2 Sept
SOU06:50Southampton Eastleigh
15h 25m
2 stops
BWI17:15Baltimore/Washington
6 Sept
BWI21:35Baltimore/Washington
18h 20m
2 stops
SOU20:55Southampton Eastleigh
£865
British Airways
2 Sept
SOU06:50Southampton Eastleigh
15h 25m
2 stops
BWI17:15Baltimore/Washington
6 Sept
BWI21:35Baltimore/Washington
18h 20m
2 stops
SOU20:55Southampton Eastleigh
£867

KLM flights from Southampton to Baltimore

Our best KLM deals on Southampton to Baltimore flight tickets
KLM
29 Oct
SOU08:50Southampton Eastleigh
28h 26m
2 stops
BWI09:16Baltimore/Washington
5 Nov
BWI13:00Baltimore/Washington
14h 05m
2 stops
SOU08:05Southampton Eastleigh
£816
KLM
29 Oct
SOU08:40Southampton Eastleigh
28h 36m
2 stops
BWI09:16Baltimore/Washington
5 Nov
BWI13:00Baltimore/Washington
14h 05m
2 stops
SOU08:05Southampton Eastleigh
£819

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 10 May 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

Cheapest return flight

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 29/10

20:00-19:45

2 stops27h 45m

Baltimore/Washington

Thu 5/11

20:35-19:30

2 stops17h 55m

£804

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 29/10

20:00-19:45

2 stops27h 45m

Baltimore/Washington

Thu 5/11

20:35-19:30

2 stops17h 55m

£806

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 29/10

08:50-09:16

2 stops28h 26m

Baltimore/Washington

Thu 5/11

13:00-08:05

2 stops14h 05m

£816

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 29/10

08:40-09:16

2 stops28h 36m

Baltimore/Washington

Thu 5/11

13:00-08:05

2 stops14h 05m

£819
Fastest return journey

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 16/9

06:45-17:15

2 stops15h 30m

Baltimore/Washington

Wed 30/9

19:25-14:45

2 stops14h 20m

£851

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 2/9

06:50-17:15

2 stops15h 25m

Baltimore/Washington

Sun 6/9

21:35-20:55

2 stops18h 20m

£865

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 2/9

06:50-17:15

2 stops15h 25m

Baltimore/Washington

Sun 6/9

21:35-20:55

2 stops18h 20m

£867

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 9/9

06:45-17:15

2 stops15h 30m

Baltimore/Washington

Mon 21/9

21:30-17:45

2 stops15h 15m

£927

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 8/6

06:50-19:40

2 stops17h 50m

Baltimore/Washington

Sun 14/6

21:35-19:25

2 stops16h 50m

£1,035

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 6/6

09:20-19:45

2 stops39h 25m

Baltimore/Washington

Fri 12/6

21:30-19:30

2 stops17h 00m

£1,126

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 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 £538. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £719. 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 at midday. momondo users have found flights departing from Southampton to Baltimore at midday for as low as £594. 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 in the afternoon because they tend to be around £621. 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 25m

Direct flights

None
The fastest flight from Southampton to Baltimore takes 15h 25m
There are no direct flights from Southampton to Baltimore. There are no popular flight routes from Southampton to Baltimore.
Search flight deals

Frequently asked questions about flying from Southampton to Baltimore

  • 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 25m.

  • 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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