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$842+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
May 10 — May 171
Sun 5/10
Sun 5/17
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 April 10, 2026.

This British Airways deal was found by Cheapflights users on 4/5. 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 10/266:50 am
SOU
-
BWI
2 stops16h 55m
British Airways
Mon 11/28:35 pm
BWI
-
SOU
2 stops16h 05m
British Airways
Deal found 4/5$1,001
This British Airways deal was found by Cheapflights users on 4/7. 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 10/298:55 am
SOU
-
BWI
2 stops38h 50m
British Airways
Thu 11/58:35 pm
BWI
-
SOU
2 stops32h 10m
British Airways
Deal found 4/7$1,005
This British Airways deal was found by Cheapflights users on 4/6. 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 6/176:50 am
SOU
-
BWI
2 stops17h 50m
British Airways
Tue 7/79:30 pm
BWI
-
SOU
2 stops15h 10m
British Airways
Deal found 4/6$1,013
This KLM deal was found by Cheapflights users on 4/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:50 am
SOU
-
BWI
2 stops28h 26m
KLM
Thu 11/51:00 pm
BWI
-
SOU
2 stops14h 05m
KLM
Deal found 4/9$1,154
This British Airways deal was found by Cheapflights users on 4/7. 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.
Sat 5/166:50 am
SOU
-
BWI
2 stops17h 50m
British Airways
Sat 5/239:30 pm
BWI
-
SOU
2 stops18h 15m
British Airways
Deal found 4/7$1,381
This ChecknFly deal was found by Cheapflights users on 4/9. 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.
Sun 5/248:00 pm
SOU
-
BWI
2 stops28h 40m
Multiple Airlines
Sun 5/319:35 pm
BWI
-
SOU
2 stops16h 55m
Multiple Airlines
Deal found 4/9$1,393
This Mytrip deal was found by Cheapflights users on 4/8. 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.
Thu 10/291:45 pm
SOU
-
BWI
3 stops33h 55m
Multiple Airlines
Wed 11/47:40 pm
BWI
-
SOU
2 stops16h 20m
Multiple Airlines
Deal found 4/8$1,548

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,013
(British Airways)

One-way from

$842
(British Airways)

Popular in

July

Cheapest in

February

Average price

$697
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. 11% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 10, 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

Wed 6/17

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Tue 7/7

9:30 pm-5:40 pm

2 stops15h 10m

$1,013

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 6/17

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Wed 7/8

9:30 pm-5:40 pm

2 stops15h 10m

$1,013

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sat 5/16

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Sat 5/23

9:30 pm-8:45 pm

2 stops18h 15m

$1,381

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 5/24

9:20 am-8:08 pm

3 stops39h 48m

Baltimore/Washington

Sun 5/31

6:30 am-7:30 pm

3 stops32h 00m

$1,396

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 6/15

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Thu 6/18

9:30 pm-7:25 pm

2 stops16h 55m

$1,970
Quickest round-trip

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 6/16

8:55 am-7:40 pm

2 stops15h 45m

Baltimore/Washington

Fri 6/19

9:30 pm-3:50 pm

2 stops13h 20m

$2,009

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 5/20

6:50 am-7:40 pm

2 stops17h 50m

Baltimore/Washington

Sat 5/23

9:30 pm-8:45 pm

2 stops18h 15m

$2,840
Cheapest one-way
Quickest one-way

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 9/14

8:55 am-7:40 pm

2 stops15h 45m

$842

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 6/24

6:50 am-7:40 pm

2 stops17h 50m

$897

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 6/23

6:20 pm-7:40 pm

2 stops30h 20m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 19 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.

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 $609). 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 $609). 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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