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$303+ Cheap flights from Baltimore (BWI) to Southampton (SOU)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap flight deals from Baltimore to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Southampton (SOU). 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 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$776
(Delta)

One-way from

$303
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$637
Provider with most accurate pricing for Baltimore/Washington-Southampton Eastleigh flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Southampton Eastleigh flights.
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From Baltimore/Washington to Southampton Eastleigh
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One-way flight from Baltimore/Washington to Southampton Eastleigh
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Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Baltimore to Southampton

Cheapest flights from Baltimore to Southampton
Explore the most affordable flight options available from Baltimore to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This Delta deal was found by Cheapflights users on 9/24. 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 10/21:00 pmBWI - SOU
2 stops14h 45mDelta
Wed 10/89:20 amSOU - BWI
2 stops18h 53mDelta
Deal found 9/24$768
This Delta deal was found by Cheapflights users on 9/24. 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.
Wed 11/264:49 pmBWI - SOU
2 stops19h 36mDelta
Sun 12/79:30 amSOU - BWI
2 stops19h 57mDelta
Deal found 9/24$776
This Mytrip deal was found by Cheapflights users on 9/24. 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 10/28:30 pmBWI - SOU
3 stops30h 35mMultiple Airlines
Wed 10/89:10 amSOU - BWI
2 stops15h 15mMultiple Airlines
Deal found 9/24$1,362
This Expedia deal was found by Cheapflights users on 9/24. 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.
Sat 10/189:35 pmBWI - SOU
2 stops36h 40mMultiple Airlines
Sat 10/258:55 amSOU - BWI
2 stops39h 50mMultiple Airlines
Deal found 9/24$1,467

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Southampton 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 25, 2025.
Use the filters below to find and compare flights from Baltimore to Southampton that are best for you.

Fly from

Baltimore

Fly to

Southampton

Route

Depart

Return

Price

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 11/28

9:05 am-5:00 pm

2 stops26h 55m

Southampton Eastleigh

Sun 12/7

9:30 am-12:27 am

2 stops19h 57m

$776

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 11/27

5:05 pm-5:00 pm

2 stops18h 55m

Southampton Eastleigh

Sun 12/7

9:30 am-12:27 am

2 stops19h 57m

$776

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 12/2

2:41 pm-5:00 pm

2 stops21h 19m

Southampton Eastleigh

Sun 12/7

9:30 am-12:27 am

2 stops19h 57m

$776

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 10/18

9:35 pm-3:15 pm

2 stops36h 40m

Southampton Eastleigh

Sat 10/25

8:55 am-7:45 pm

2 stops39h 50m

$1,467

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 10/15

6:45 pm-6:55 pm

3 stops43h 10m

$303

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 10/15

1:00 pm-8:45 am

2 stops14h 45m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Compare providers for flights from Baltimore to Southampton

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 Baltimore to Southampton in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 Baltimore-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Southampton 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 Baltimore-Southampton 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 Baltimore to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Baltimore 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 Baltimore to Southampton

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

Currently, November is the cheapest month in which you can book a flight from Baltimore to Southampton (average of $787). Flying from Baltimore to Southampton in June is currently the most expensive (average of $1,308). 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.

What is the cheapest time of day to fly from BWI to SOU?

Find hourly flight availability from Baltimore to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Baltimore to Southampton by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Southampton. 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 Baltimore to Southampton?

    There are many flights that can get you from Baltimore to Southampton in 26h 55m. Fly via Delta to get the fastest option. Baltimore and Southampton are separated by a distance of 3597 mi.

  • Can I find deals for flights from Baltimore to Southampton that include hotel bookings?

    Yes. In addition to deals on Baltimore to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Southampton.

  • Can I find deals for business class flights from Baltimore to Southampton?

    Yes. Cheapflights offers flight deals from Baltimore to Southampton 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 Baltimore to Southampton?

    Currently, November is the cheapest month in which you can book a flight from Baltimore to Southampton (average of $787). Flying from Baltimore to Southampton in June is currently the most expensive (average of $1,308). 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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