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$350+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,174
(Cheapflightsfares)

One-way from

$496
(KLM)

Popular in

June

Cheapest in

January

Average price

$711
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. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:20 pmBWI - SOU
2 stops30h 20mAer Lingus
Sun 8/319:10 amSOU - BWI
2 stops15h 25mAer Lingus
Deal found 4/29$1,174
This Delta deal was found by Cheapflights users on 4/29. 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 6/121:00 pmBWI - SOU
2 stops14h 45mDelta
Thu 6/199:20 amSOU - BWI
2 stops16h 23mDelta
Deal found 4/29$1,261
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/128:30 pmBWI - SOU
2 stops18h 00mMultiple Airlines
Thu 6/198:00 amSOU - BWI
3 stops16h 25mMultiple Airlines
Deal found 4/29$1,412
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/229:20 pmBWI - SOU
2 stops13h 40mBritish Airways
Mon 7/78:30 amSOU - BWI
2 stops16h 05mBritish Airways
Deal found 4/29$3,413

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 April 29, 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

Sun 8/24

9:20 pm-8:40 am

2 stops30h 20m

Southampton Eastleigh

Sun 8/31

9:10 am-7:35 pm

2 stops15h 25m

$1,174

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 6/12

1:00 pm-8:45 am

2 stops14h 45m

Southampton Eastleigh

Thu 6/19

9:20 am-8:43 pm

2 stops16h 23m

$1,261

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 6/12

8:30 pm-7:30 pm

2 stops18h 00m

Southampton Eastleigh

Thu 6/19

8:00 am-7:25 pm

3 stops16h 25m

$1,412

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 6/22

9:20 pm-4:00 pm

2 stops13h 40m

Southampton Eastleigh

Mon 7/7

8:30 am-7:35 pm

2 stops16h 05m

$3,413

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 8/23

6:50 pm-9:10 am

2 stops33h 20m

$350

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 7/26

2:20 pm-8:45 am

2 stops13h 25m

$496

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 8/23

9:20 pm-9:10 am

2 stops30h 50m

$676

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 5/25

1:52 pm-8:50 am

2 stops37h 58m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Baltimore-Southampton flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 29, 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.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,837 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Baltimore to Southampton round-trip?

    Aer Lingus, at $1,174, was found to be the cheapest airline from Baltimore to Southampton.Alternate airlines to your destination round-trip include Delta and British Airways.

  • 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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