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$664+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BWI
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(KLM)

Popular in

July

Cheapest in

February

Average price

$747
Provider with most accurate pricing for Southampton Eastleigh-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Southampton Eastleigh-Baltimore/Washington flights.
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From Southampton Eastleigh to Baltimore/Washington
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Highest demand for flights based on searches. 11% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 20, 2025.

This Delta deal was found by Cheapflights users on 10/20. 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 12/48:50 amSOU - BWI
2 stops18h 18mDelta
Thu 12/1110:47 amBWI - SOU
2 stops16h 18mDelta
Deal found 10/20$664
This KLM deal was found by Cheapflights users on 10/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:30 pmSOU - BWI
2 stops28h 21mKLM
Tue 12/94:49 pmBWI - SOU
2 stops19h 11mKLM
Deal found 10/17$679
This Mytrip deal was found by Cheapflights users on 10/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:25 pmSOU - BWI
3 stops35h 15mMultiple Airlines
Tue 12/97:40 pmBWI - SOU
2 stops19h 00mMultiple Airlines
Deal found 10/17$961
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:30 amSOU - BWI
2 stops19h 57mMultiple Airlines
Thu 12/116:30 amBWI - SOU
3 stops28h 05mMultiple Airlines
Deal found 10/20$1,028

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 October 20, 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

Thu 12/4

8:50 am-10:08 pm

2 stops18h 18m

Baltimore/Washington

Thu 12/11

10:47 am-8:05 am

2 stops16h 18m

$664

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 12/2

5:30 pm-4:51 pm

2 stops28h 21m

Baltimore/Washington

Tue 12/9

4:49 pm-5:00 pm

2 stops19h 11m

$679

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 4/1

5:35 pm-10:59 pm

2 stops34h 24m

Baltimore/Washington

Sun 4/5

7:45 pm-5:00 pm

2 stops40h 15m

$687

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Wed 4/1

9:20 am-9:56 pm

2 stops41h 36m

Baltimore/Washington

Sun 4/5

5:30 pm-8:50 am

2 stops34h 20m

$690

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Tue 12/2

12:25 pm-6:40 pm

3 stops35h 15m

Baltimore/Washington

Tue 12/9

7:40 pm-7:40 pm

2 stops19h 00m

$961

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Thu 12/4

9:30 am-12:27 am

2 stops19h 57m

Baltimore/Washington

Thu 12/11

6:30 am-3:35 pm

3 stops28h 05m

$1,028

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Sun 11/30

9:45 am-6:45 pm

2 stops14h 00m

$3,607

SouthamptonBaltimore

SOU - BWI

SOUBWI

Southampton Eastleigh

Fri 1/2

7:55 pm-6:45 pm

2 stops27h 50m

$3,621

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Compare providers for flights from Southampton to Baltimore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Southampton to Baltimore in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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, February is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $305). Flying from Southampton to Baltimore in July is currently the most expensive (average of $641). 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, KLM, and Virgin Atlantic can get you from Southampton to Baltimore in just under 18h 18m. Your travel time can differ by up to 23h 18m. Southampton and Baltimore are separated by a distance of 3597 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from Southampton to Baltimore (average of $305). Flying from Southampton to Baltimore in July is currently the most expensive (average of $641). 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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