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Cheap flights from Baltimore to Southampton from £337

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
15 Mar — 22 Mar1
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 13 February 2026.

Thu 26/206:05
BWI
-
SOU
2 stops21h 15m
Delta
Sun 1/309:30
SOU
-
BWI
2 stops18h 23m
Delta
Deal found 12/2£581
Fri 1/519:29
BWI
-
SOU
2 stops32h 16m
Multiple Airlines
Wed 13/509:05
SOU
-
BWI
2 stops19h 12m
Multiple Airlines
Deal found 12/2£684
Fri 1/521:30
BWI
-
SOU
2 stops17h 00m
Aer Lingus
Wed 13/520:00
SOU
-
BWI
2 stops28h 40m
Aer Lingus
Deal found 12/2£690
Fri 11/921:30
BWI
-
SOU
2 stops17h 00m
Aer Lingus
Sun 27/920:00
SOU
-
BWI
2 stops28h 40m
Aer Lingus
Deal found 11/2£723
Sat 1/812:15
BWI
-
SOU
2 stops15h 30m
Scandinavian Airlines
Sun 16/817:30
SOU
-
BWI
2 stops30h 22m
Scandinavian Airlines
Deal found 12/2£724
Sat 29/813:00
BWI
-
SOU
2 stops14h 45m
Delta
Mon 7/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 9/2£794
Tue 28/714:10
BWI
-
SOU
2 stops22h 25m
Delta
Sat 8/809:15
SOU
-
BWI
2 stops27h 53m
Delta
Deal found 12/2£798
Thu 10/921:30
BWI
-
SOU
2 stops17h 00m
Aer Lingus
Sun 27/909:10
SOU
-
BWI
2 stops15h 35m
Aer Lingus
Deal found 11/2£835

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 13 February 2026.

Round-trip from

£581

One-way from

£337

Popular in

June

Cheapest in

September

Average price

£471
Delta
  • Delta
  • 26/2-1/3
  • 4 total stops
  • 39h 38m total
  • Baltimore to Southampton
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 56h 11m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 13 February 2026.
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

Thu 26/2

06:05-08:20

2 stops21h 15m

Southampton Eastleigh

Sun 1/3

09:30-22:53

2 stops18h 23m

£581

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 1/5

19:29-08:45

2 stops32h 16m

Southampton Eastleigh

Wed 13/5

09:05-23:17

2 stops19h 12m

£684

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 1/8

12:15-08:45

2 stops15h 30m

Southampton Eastleigh

Sun 16/8

17:30-18:52

2 stops30h 22m

£724

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 28/7

14:10-17:35

2 stops22h 25m

Southampton Eastleigh

Sat 8/8

09:15-08:08

2 stops27h 53m

£798

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 29/7

13:00-17:35

2 stops23h 35m

Southampton Eastleigh

Sat 8/8

09:15-08:08

2 stops27h 53m

£798

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 23/5

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 30/5

20:00-19:45

2 stops28h 45m

£940

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 22/5

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Wed 27/5

20:00-19:40

2 stops28h 40m

£968

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 29/7

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 15/8

20:00-19:45

2 stops28h 45m

£971

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 29/3

10:54-08:35

2 stops16h 41m

Southampton Eastleigh

Thu 2/4

09:05-00:53

2 stops20h 48m

£994

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 28/5

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Mon 8/6

20:00-19:40

2 stops28h 40m

£1,039

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 15 results
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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 £23). Flying from Baltimore to Southampton in June is currently the most expensive (average of £511). 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 15h 30m. Delta provides one of the quickest options available for as low as £724. Baltimore and Southampton are separated by a distance of 3597 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £23). Flying from Baltimore to Southampton in June is currently the most expensive (average of £511). 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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