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$489+ Cheap flights from Southampton (SOU) to Baltimore (BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Cheap flight deals from Southampton to Baltimore

Cheapest flights from Southampton to Baltimore
Explore the most affordable flight options available from Southampton to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:40 am
SOU
-
BWI
2 stops18h 24m
Delta
Thu 11/56:10 am
BWI
-
SOU
2 stops21h 00m
Delta
Deal found 7/20$872
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:05 am
SOU
-
BWI
2 stops18h 34m
Delta
Fri 9/1110:40 am
BWI
-
SOU
2 stops17h 05m
Delta
Deal found 7/21$873
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:15 am
SOU
-
BWI
2 stops18h 24m
Delta
Sun 8/910:40 am
BWI
-
SOU
2 stops17h 05m
Delta
Deal found 7/19$1,074
This British Airways deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:55 am
SOU
-
BWI
2 stops15h 45m
British Airways
Wed 10/149:30 pm
BWI
-
SOU
2 stops15h 15m
British Airways
Deal found 7/21$1,250
This Mytrip deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 pm
SOU
-
BWI
3 stops28h 25m
Multiple Airlines
Tue 9/88:30 pm
BWI
-
SOU
2 stops18h 00m
Multiple Airlines
Deal found 7/18$1,368
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:05 pm
SOU
-
BWI
2 stops33h 24m
KLM
Thu 9/1010:21 am
BWI
-
SOU
2 stops25h 29m
KLM
Deal found 7/19$1,702
This Mytrip deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:15 pm
SOU
-
BWI
3 stops35h 10m
Multiple Airlines
Thu 9/1011:20 pm
BWI
-
SOU
3 stops28h 25m
Multiple Airlines
Deal found 7/19$2,125

Find flight deals from Southampton to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$872
(Delta)

One-way from

$489
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$762
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
Search Deals
From Southampton Eastleigh to Baltimore/Washington
Search Deals
One-way flight from Southampton Eastleigh to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 21, 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 round-trip

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 9/1

9:05 am-9:13 pm

2 stops17h 08m

Baltimore/Washington

Tue 9/8

6:17 am-8:45 am

2 stops21h 28m

$872

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 10/29

8:40 am-11:04 pm

2 stops18h 24m

Baltimore/Washington

Thu 11/5

6:10 am-8:10 am

2 stops21h 00m

$872

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 9/4

9:05 am-10:39 pm

2 stops18h 34m

Baltimore/Washington

Fri 9/11

10:40 am-8:45 am

2 stops17h 05m

$873

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 8/6

9:15 am-10:39 pm

2 stops18h 24m

Baltimore/Washington

Sun 8/9

10:40 am-8:45 am

2 stops17h 05m

$1,074
Quickest round-trip

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 10/6

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Wed 10/14

9:30 pm-5:45 pm

2 stops15h 15m

$1,250

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 9/1

8:00 pm-7:25 pm

3 stops28h 25m

Baltimore/Washington

Tue 9/8

8:30 pm-12:05 pm

3 stops34h 35m

$1,460
Cheapest one-way

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 11/24

12:25 pm-11:55 pm

3 stops40h 30m

$489

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 11/23

6:50 am-6:45 pm

2 stops16h 55m

$630

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 9/2

2:25 pm-7:40 pm

2 stops34h 15m

$1,116

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 8/31

3:00 pm-5:15 pm

2 stops31h 15m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 16 resultsSorted by cheapest first
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Best time to book a flight from Southampton to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Southampton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Southampton to Baltimore?

    Delta can get you from Southampton to Baltimore in just under 17h 08m. Your travel time can differ by up to . Southampton and Baltimore are separated by a distance of 3597 mi.

  • Can I find deals for flights from Southampton to Baltimore that include hotel bookings?

    Yes. In addition to deals on Southampton to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Baltimore.

  • Can I find deals for business class flights from Southampton to Baltimore?

    Yes. Cheapflights offers flight deals from Southampton to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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