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Cheap flights from Southampton to Washington, D.C. from $429

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 1/17. 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 round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:50 am - 11:03 pmSOU-BWI
19h 13m2 stops
Delta Logo
8:04 am - 5:00 pmBWI-SOU
27h 56m2 stops
$679Delta
Find Deal
Thu, Dec 4 - Mon, Dec 8
KLM Logo
8:50 am - 11:03 pmSOU-BWI
19h 13m2 stops
KLM Logo
4:49 pm - 8:10 amBWI-SOU
34h 21m2 stops
$695KLM
Find Deal
Thu, Dec 4 - Mon, Dec 8
KLM Logo
6:05 pm - 11:03 pmSOU-BWI
33h 58m2 stops
KLM Logo
2:41 pm - 5:00 pmBWI-SOU
21h 19m2 stops
$696KLM
Find Deal
Thu, Dec 4 - Mon, Dec 8
Delta Logo
8:50 am - 11:31 pmSOU-BWI
19h 41m2 stops
Delta Logo
11:24 am - 8:25 amBWI-SOU
16h 01m2 stops
$1,371Delta
Find Deal
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
8:00 am - 11:49 pmSOU-BWI
20h 49m3 stops
Multiple Airlines Logo
7:40 pm - 5:10 pmBWI-SOU
16h 30m2 stops
$1,475Multiple Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
British Airways Logo
8:30 am - 6:45 pmSOU-BWI
15h 15m2 stops
British Airways Logo
8:35 pm - 4:20 pmBWI-SOU
14h 45m2 stops
$1,524British Airways
Find Deal
Fri, Dec 12 - Sun, Dec 14
British Airways Logo
9:30 am - 6:45 pmSOU-BWI
14h 15m2 stops
British Airways Logo
8:35 pm - 4:20 pmBWI-SOU
14h 45m2 stops
$1,530British Airways
Find Deal
Sat, Dec 13 - Sun, Dec 14
Multiple Airlines Logo
8:00 am - 11:49 pmSOU-BWI
44h 49m3 stops
Multiple Airlines Logo
7:40 pm - 5:45 pmBWI-SOU
17h 05m2 stops
$1,802Multiple Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 10
Multiple Airlines Logo
8:00 am - 11:49 pmSOU-BWI
44h 49m3 stops
Multiple Airlines Logo
11:30 am - 7:30 amBWI-SOU
39h 00m3 stops
$1,881Multiple Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 10
Multiple Airlines Logo
9:30 am - 8:29 amSOU-BWI
27h 59m2 stops
Multiple Airlines Logo
7:40 pm - 5:45 pmBWI-SOU
17h 05m2 stops
$1,939Multiple Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 10

Delta flights from Southampton to Baltimore

Our best Delta deals on Southampton to Baltimore flight tickets
Delta
Dec 4
SOU8:50 amSouthampton Eastleigh
19h 13m
2 stops
BWI11:03 pmBaltimore/Washington
Dec 8
BWI8:04 amBaltimore/Washington
27h 56m
2 stops
SOU5:00 pmSouthampton Eastleigh
$679
Find similar
Delta
Jan 1
SOU8:50 amSouthampton Eastleigh
19h 41m
2 stops
BWI11:31 pmBaltimore/Washington
Jan 8
BWI11:24 amBaltimore/Washington
16h 01m
2 stops
SOU8:25 amSouthampton Eastleigh
$1,371
Find similar

KLM flights from Southampton to Baltimore

Our best KLM deals on Southampton to Baltimore flight tickets
KLM
Dec 4
SOU8:50 amSouthampton Eastleigh
19h 13m
2 stops
BWI11:03 pmBaltimore/Washington
Dec 8
BWI4:49 pmBaltimore/Washington
34h 21m
2 stops
SOU8:10 amSouthampton Eastleigh
$695
Find similar
KLM
Dec 4
SOU6:05 pmSouthampton Eastleigh
33h 58m
2 stops
BWI11:03 pmBaltimore/Washington
Dec 8
BWI2:41 pmBaltimore/Washington
21h 19m
2 stops
SOU5:00 pmSouthampton Eastleigh
$696
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 19, 2025.
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

Thu 12/4

8:50 am-11:03 pm

2 stops19h 13m

Baltimore/Washington

Mon 12/8

8:04 am-5:00 pm

2 stops27h 56m

$679

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 12/4

8:50 am-11:03 pm

2 stops19h 13m

Baltimore/Washington

Mon 12/8

4:49 pm-8:10 am

2 stops34h 21m

$695

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 12/4

6:05 pm-11:03 pm

2 stops33h 58m

Baltimore/Washington

Mon 12/8

2:41 pm-5:00 pm

2 stops21h 19m

$696

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 1/1

8:50 am-11:31 pm

2 stops19h 41m

Baltimore/Washington

Thu 1/8

11:24 am-8:25 am

2 stops16h 01m

$1,371

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 1/1

8:00 am-11:49 pm

3 stops20h 49m

Baltimore/Washington

Thu 1/8

7:40 pm-5:10 pm

2 stops16h 30m

$1,475

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 12/12

8:30 am-6:45 pm

2 stops15h 15m

Baltimore/Washington

Sun 12/14

8:35 pm-4:20 pm

2 stops14h 45m

$1,524

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 12/13

9:30 am-6:45 pm

2 stops14h 15m

Baltimore/Washington

Sun 12/14

8:35 pm-4:20 pm

2 stops14h 45m

$1,530

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 1/3

8:00 am-11:49 pm

3 stops44h 49m

Baltimore/Washington

Sat 1/10

7:40 pm-5:45 pm

2 stops17h 05m

$1,802

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 1/3

8:00 am-11:49 pm

3 stops44h 49m

Baltimore/Washington

Sat 1/10

11:30 am-7:30 am

3 stops39h 00m

$1,881

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 1/3

9:30 am-8:29 am

2 stops27h 59m

Baltimore/Washington

Sat 1/10

7:40 pm-5:45 pm

2 stops17h 05m

$1,939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $747. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,006. 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?

Flying to Baltimore from Southampton in the morning is the least expensive time of day to depart. momondo users have found prices as low as $597 when looking at flights departing in the morning. Flights at noon are often more expensive with an average ticket price of $845.

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 round-trip 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

Direct flights

None
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. Typically, this will take 14h 15m by plane in normal conditions.

  • 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 are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted 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?

momondo does allow users to show only those flights to Baltimore from Southampton which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Southampton to Baltimore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Baltimore from Southampton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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