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$651+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$651
(Delta)

Popular in

July

Cheapest in

February

Average price

$666
From Southampton Eastleigh to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:40 amSOU - BWI
2 stops18h 22mDelta
Tue 11/410:18 amBWI - SOU
2 stops16h 52mDelta
Deal found 9/13$651

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 September 15, 2025.
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

Tue 10/28

8:40 am-11:02 pm

2 stops18h 22m

Baltimore/Washington

Tue 11/4

10:18 am-8:10 am

2 stops16h 52m

$651

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Mon 1/19

8:30 pm-6:45 pm

2 stops27h 15m

$1,425

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 1/20

8:30 pm-6:45 pm

2 stops27h 15m

$1,425

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 11/19

7:55 pm-6:45 pm

2 stops27h 50m

$3,638

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 11/30

9:45 am-6:45 pm

2 stops14h 00m

$3,638

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, August is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $241). Flying from Southampton to Baltimore in March is currently the most expensive (average of $290). 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?

    Delta can get you from Southampton to Baltimore in just under 18h 22m. 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, August is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $241). Flying from Southampton to Baltimore in March is currently the most expensive (average of $290). 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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