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$822+ Cheap flights from Southampton (SOU) to Baltimore (BWI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
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 March 15, 2026.

This Booking.com deal was found by Cheapflights users on 3/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:20 am
SOU
-
BWI
2 stops15h 05m
Multiple Airlines
Wed 5/68:30 pm
BWI
-
SOU
2 stops15h 20m
Multiple Airlines
Deal found 3/15$822
This British Airways deal was found by Cheapflights users on 3/12. 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.
Fri 5/17:55 pm
SOU
-
BWI
2 stops28h 45m
British Airways
Mon 5/49:30 pm
BWI
-
SOU
2 stops18h 25m
British Airways
Deal found 3/12$965
This Booking.com deal was found by Cheapflights users on 3/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:20 pm
SOU
-
BWI
3 stops31h 05m
Multiple Airlines
Sun 5/38:30 pm
BWI
-
SOU
2 stops15h 20m
Multiple Airlines
Deal found 3/12$1,046
This British Airways deal was found by Cheapflights users on 3/14. 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.
Thu 5/76:50 am
SOU
-
BWI
2 stops17h 50m
British Airways
Tue 5/129:30 pm
BWI
-
SOU
2 stops15h 10m
British Airways
Deal found 3/14$1,199
This oojo deal was found by Cheapflights users on 3/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:45 pm
SOU
-
BWI
2 stops27h 55m
British Airways
Sun 5/39:35 pm
BWI
-
SOU
2 stops29h 50m
British Airways
Deal found 3/12$1,331
This British Airways deal was found by Cheapflights users on 3/13. 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.
Thu 12/106:50 am
SOU
-
BWI
2 stops16h 55m
British Airways
Tue 1/58:35 pm
BWI
-
SOU
2 stops16h 05m
British Airways
Deal found 3/13$1,545

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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$945
(British Airways)

One-way from

$898
(British Airways)

Popular in

July

Cheapest in

February

Average price

$695
Provider with most accurate pricing for Southampton Eastleigh-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Southampton Eastleigh-Baltimore/Washington 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. 12% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 15, 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 5/5

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Mon 5/11

9:30 pm-7:25 pm

2 stops16h 55m

$945

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 4/29

9:20 am-7:25 pm

2 stops15h 05m

Baltimore/Washington

Wed 5/6

8:30 pm-8:45 pm

3 stops19h 15m

$945

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 5/4

7:55 pm-7:40 pm

2 stops28h 45m

Baltimore/Washington

Mon 5/11

9:30 pm-7:25 pm

2 stops16h 55m

$945

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 5/1

7:55 pm-7:40 pm

2 stops28h 45m

Baltimore/Washington

Mon 5/4

9:30 pm-8:55 pm

2 stops18h 25m

$965

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 5/6

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Mon 5/11

9:30 pm-7:25 pm

2 stops16h 55m

$965

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 4/26

5:20 pm-7:25 pm

3 stops31h 05m

Baltimore/Washington

Sun 5/3

8:30 pm-4:50 pm

2 stops15h 20m

$1,046
Quickest round-trip

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 5/7

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Tue 5/12

9:30 pm-5:40 pm

2 stops15h 10m

$1,199

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 4/26

8:45 pm-7:40 pm

2 stops27h 55m

Baltimore/Washington

Sun 5/3

9:35 pm-8:25 am

2 stops29h 50m

$1,331

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 5/13

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Sun 5/17

9:35 pm-7:25 pm

2 stops16h 50m

$2,261
Cheapest one-way

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 6/8

6:50 am-7:40 pm

2 stops17h 50m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 14 resultsSorted by cheapest first
1
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  • Most accurate provider: When it comes to deals on Southampton-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Southampton-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Southampton-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Southampton-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Southampton-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Baltimore

What is the cheapest month to book a flight from Southampton to Baltimore?

Currently, January is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $449). Flying from Southampton to Baltimore in July is currently the most expensive (average of $615). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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?

    British Airways can get you from Southampton to Baltimore in just under 17h 50m. 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.

  • What is the cheapest month to book a flight from Southampton to Baltimore?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $449). Flying from Southampton to Baltimore in July is currently the most expensive (average of $615). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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