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Cheap flights from Baltimore to Southampton from £344

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
14 May — 21 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Southampton

Enter your travel dates to find the best prices.

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 14 April 2026.

Sun 20/919:40
BWI
-
SOU
2 stops16h 10m
Delta
Mon 28/909:05
SOU
-
BWI
2 stops35h 46m
Delta
Deal found 13/4£828
Tue 1/909:00
BWI
-
SOU
2 stops18h 35m
Delta
Fri 11/909:05
SOU
-
BWI
2 stops20h 11m
Delta
Deal found 11/4£829
Sat 19/918:10
BWI
-
SOU
2 stops33h 25m
Delta
Thu 1/1009:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 13/4£834
Thu 17/913:00
BWI
-
SOU
2 stops14h 35m
Delta
Thu 1/1009:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 13/4£866
Sat 19/918:10
BWI
-
SOU
2 stops33h 25m
Delta
Fri 2/1017:20
SOU
-
BWI
2 stops32h 31m
Delta
Deal found 13/4£871
Sun 20/919:40
BWI
-
SOU
2 stops16h 10m
Delta
Wed 30/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 13/4£873
Sun 10/518:29
BWI
-
SOU
2 stops17h 21m
Delta
Sun 17/517:20
SOU
-
BWI
2 stops30h 56m
Delta
Deal found 11/4£877
Sat 19/918:10
BWI
-
SOU
2 stops33h 25m
Delta
Wed 30/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 13/4£877
Thu 17/913:00
BWI
-
SOU
2 stops14h 35m
Delta
Fri 2/1017:20
SOU
-
BWI
2 stops32h 31m
Delta
Deal found 13/4£903
Thu 17/913:00
BWI
-
SOU
2 stops14h 35m
Delta
Wed 30/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 13/4£910
Sat 9/507:00
BWI
-
SOU
2 stops20h 45m
Delta
Sat 16/509:15
SOU
-
BWI
2 stops16h 31m
Delta
Deal found 11/4£914
Fri 29/520:30
BWI
-
SOU
3 stops30h 55m
Multiple Airlines
Fri 5/609:20
SOU
-
BWI
2 stops15h 05m
Multiple Airlines
Deal found 13/4£970

Find 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 14 April 2026.

Round-trip from

£828

One-way from

£344

Popular in

June

Cheapest in

September

Average price

£523
Delta
  • Delta
  • 20/9-1/10
  • 4 total stops
  • 35h 48m total
  • Baltimore to Southampton
Search Deals
31/5
  • 31/5
  • 3 total stops
  • 45h 10m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 14 April 2026.
Use the filters below to find and compare flights from Baltimore to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 19/9

18:10-08:35

2 stops33h 25m

Southampton Eastleigh

Thu 1/10

09:05-22:13

2 stops18h 08m

£834

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 19/9

18:10-08:35

2 stops33h 25m

Southampton Eastleigh

Tue 29/9

09:05-18:52

2 stops38h 47m

£834

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 21/9

19:40-16:50

2 stops16h 10m

Southampton Eastleigh

Sun 4/10

17:20-18:52

2 stops30h 32m

£866

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 10/5

18:29-16:50

2 stops17h 21m

Southampton Eastleigh

Sun 17/5

17:20-19:16

2 stops30h 56m

£877
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 17/9

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Wed 30/9

09:05-22:13

2 stops18h 08m

£910

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 9/5

07:00-08:45

2 stops20h 45m

Southampton Eastleigh

Sun 17/5

17:20-19:16

2 stops30h 56m

£914

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 27/5

06:30-08:25

3 stops44h 55m

Southampton Eastleigh

Wed 3/6

09:20-19:25

2 stops15h 05m

£976

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 27/5

11:05-08:35

2 stops16h 30m

Southampton Eastleigh

Wed 3/6

17:20-15:46

2 stops27h 26m

£982

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 27/5

11:05-08:35

2 stops16h 30m

Southampton Eastleigh

Wed 3/6

09:05-20:47

2 stops16h 42m

£982

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

10:00-08:45

2 stops17h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:42

2 stops18h 37m

£1,021

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 18 resultsSorted by cheapest first
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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 return 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, March is the cheapest month in which you can book a flight from Baltimore to Southampton (average of £265). Flying from Baltimore to Southampton in June is currently the most expensive (average of £563). 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 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?

    A quick flight from Baltimore to Southampton can take about 33h 25m. Delta provides one of the quickest options available for as low as £834. 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 holiday 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, March is the cheapest month in which you can book a flight from Baltimore to Southampton (average of £265). Flying from Baltimore to Southampton in June is currently the most expensive (average of £563). 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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How does Cheapflights help users find flights from Baltimore to Southampton?

Cheapflights helps you search for flights from Baltimore to Southampton via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to Southampton?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Baltimore to Southampton.

Can Cheapflights find flights from Baltimore to Southampton with no change fees?

Yes! Cheapflights helps users easily find flights from Baltimore to Southampton with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to Southampton become cheaper?

Not ready to book yet? You can track prices for flights from Baltimore to Southampton on Cheapflights with our Price Alert feature and get notified when better prices are available.

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