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$416+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This ChecknFly deal was found by Cheapflights users on 2/19. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:35 pm
SOU
-
BWI
2 stops36h 05m
Aer Lingus
Mon 9/289:30 pm
BWI
-
SOU
2 stops17h 00m
Aer Lingus
Deal found 2/19$1,198
This British Airways deal was found by Cheapflights users on 2/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:50 am
SOU
-
BWI
2 stops17h 50m
British Airways
Sun 4/199:35 pm
BWI
-
SOU
2 stops29h 50m
British Airways
Deal found 2/18$1,207
This British Airways deal was found by Cheapflights users on 2/17. 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.
Mon 5/258:55 am
SOU
-
BWI
2 stops15h 45m
British Airways
Thu 5/289:30 pm
BWI
-
SOU
2 stops18h 15m
British Airways
Deal found 2/17$1,376
This British Airways deal was found by Cheapflights users on 2/17. 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 6/238:55 am
SOU
-
BWI
2 stops15h 45m
British Airways
Sun 6/289:35 pm
BWI
-
SOU
2 stops16h 50m
British Airways
Deal found 2/17$1,399
This British Airways deal was found by Cheapflights users on 2/17. 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 5/268:55 am
SOU
-
BWI
2 stops15h 45m
British Airways
Fri 5/299:30 pm
BWI
-
SOU
2 stops16h 40m
British Airways
Deal found 2/17$1,400
This Booking.com deal was found by Cheapflights users on 2/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:20 pm
SOU
-
BWI
3 stops31h 25m
Multiple Airlines
Sat 4/118:30 pm
BWI
-
SOU
3 stops31h 05m
Multiple Airlines
Deal found 2/18$1,832
This ChecknFly deal was found by Cheapflights users on 2/18. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:00 pm
SOU
-
BWI
2 stops28h 45m
Aer Lingus
Sat 4/119:30 pm
BWI
-
SOU
2 stops16h 30m
Aer Lingus
Deal found 2/18$1,934
This British Airways deal was found by Cheapflights users on 2/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:50 pm
SOU
-
BWI
2 stops26h 55m
British Airways
Thu 3/269:35 pm
BWI
-
SOU
2 stops15h 55m
British Airways
Deal found 2/19$2,488
This Expedia deal was found by Cheapflights users on 2/19. 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.
Thu 3/198:50 pm
SOU
-
BWI
2 stops26h 55m
Multiple Airlines
Thu 3/262:38 pm
BWI
-
SOU
2 stops22h 22m
Multiple Airlines
Deal found 2/19$2,555

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,207
(British Airways)

One-way from

$416
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$627
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 ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 2026.
Use the filters below to find and compare flights from Southampton to Baltimore that are best for you.

Fly from

Southampton

Fly to

Baltimore

Route

Depart

Return

Price

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 4/15

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Sun 4/19

9:35 pm-8:25 am

2 stops29h 50m

$1,207

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 5/25

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Thu 5/28

9:30 pm-8:45 pm

2 stops18h 15m

$1,376

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 6/23

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Sun 6/28

9:35 pm-7:25 pm

2 stops16h 50m

$1,399

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 5/26

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Fri 5/29

9:30 pm-7:10 pm

2 stops16h 40m

$1,400

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 4/4

5:20 pm-7:45 pm

3 stops31h 25m

Baltimore/Washington

Sat 4/11

8:30 pm-8:35 am

3 stops31h 05m

$1,832

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 4/4

8:00 pm-7:45 pm

2 stops28h 45m

Baltimore/Washington

Sat 4/11

9:30 pm-7:00 pm

2 stops16h 30m

$1,934

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 3/19

8:50 pm-7:45 pm

2 stops26h 55m

Baltimore/Washington

Thu 3/26

9:35 pm-5:30 pm

2 stops15h 55m

$2,488

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 3/19

8:50 pm-7:45 pm

2 stops26h 55m

Baltimore/Washington

Thu 3/26

2:38 pm-5:00 pm

2 stops22h 22m

$2,555

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 4/28

8:00 pm-3:51 pm

3 stops48h 51m

$416

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 7/14

9:10 am-10:21 am

2 stops30h 11m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 13 results
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2
  • 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, March is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $353). Flying from Southampton to Baltimore in June is currently the most expensive (average of $629). 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, March is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $353). Flying from Southampton to Baltimore in June is currently the most expensive (average of $629). 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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