Cheap flights from Baltimore to Southampton from £330

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
27 May — 3 Jun1
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 27 April 2026.

Fri 14/818:10
BWI
-
SOU
2 stops17h 50m
Delta
Sun 30/809:15
SOU
-
BWI
2 stops20h 01m
Delta
Deal found 26/4£942
Sat 29/810:00
BWI
-
SOU
2 stops17h 45m
Delta
Mon 7/909:05
SOU
-
BWI
2 stops18h 37m
Delta
Deal found 22/4£1,011
Thu 17/919:40
BWI
-
SOU
2 stops16h 10m
Delta
Sun 27/909:15
SOU
-
BWI
2 stops17h 58m
Delta
Deal found 24/4£1,029
Sat 29/812:15
BWI
-
SOU
2 stops15h 30m
KLM
Mon 7/909:05
SOU
-
BWI
2 stops16h 46m
KLM
Deal found 25/4£1,060
Mon 8/617:32
BWI
-
SOU
2 stops18h 18m
KLM
Mon 15/617:20
SOU
-
BWI
2 stops28h 25m
KLM
Deal found 24/4£1,119
Thu 17/923:20
BWI
-
SOU
3 stops15h 05m
Multiple Airlines
Sun 27/919:30
SOU
-
BWI
3 stops28h 55m
Multiple Airlines
Deal found 24/4£1,129
Wed 1/719:38
BWI
-
SOU
2 stops16h 12m
Delta
Tue 25/809:15
SOU
-
BWI
2 stops18h 39m
Delta
Deal found 26/4£1,130
Mon 8/607:10
BWI
-
SOU
3 stops31h 20m
Multiple Airlines
Mon 15/618:25
SOU
-
BWI
3 stops32h 50m
Multiple Airlines
Deal found 24/4£1,149
Sat 6/623:20
BWI
-
SOU
2 stops13h 30m
Multiple Airlines
Sat 13/616:45
SOU
-
BWI
2 stops32h 00m
Multiple Airlines
Deal found 22/4£1,163

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 27 April 2026.

Round-trip from

£942

One-way from

£325

Popular in

June

Cheapest in

January

Average price

£525
Delta
  • Delta
  • 14/8-30/8
  • 4 total stops
  • 37h 51m total
  • Baltimore to Southampton
6/9
  • 6/9
  • 3 total stops
  • 30h 55m total
  • Baltimore to Southampton
Highest demand for flights based on searches. 15% potential increase in price (£73 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in April 2026

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 27 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

Thu 24/9

19:40-16:50

2 stops16h 10m

Southampton Eastleigh

Sun 4/10

17:20-17:08

2 stops28h 48m

£942

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

£1,011

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 17/9

18:10-16:50

2 stops17h 40m

Southampton Eastleigh

Sun 27/9

09:15-22:13

2 stops17h 58m

£1,029
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

12:15-08:45

2 stops15h 30m

Southampton Eastleigh

Mon 7/9

09:05-20:51

2 stops16h 46m

£1,060

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 8/6

17:32-16:50

2 stops18h 18m

Southampton Eastleigh

Mon 15/6

17:20-16:45

2 stops28h 25m

£1,119

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 17/9

23:20-19:25

3 stops15h 05m

Southampton Eastleigh

Sun 27/9

19:30-19:25

3 stops28h 55m

£1,129

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 1/7

19:38-16:50

2 stops16h 12m

Southampton Eastleigh

Tue 25/8

09:15-22:54

2 stops18h 39m

£1,130

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 6/6

23:20-17:50

2 stops13h 30m

Southampton Eastleigh

Sat 13/6

16:45-19:45

2 stops32h 00m

£1,163
Cheapest one-way

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 1/10

20:30-11:45

3 stops34h 15m

£330

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 5/9

10:00-08:45

2 stops17h 45m

£378

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 13 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.

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 16h 10m. KLM provides one of the quickest options available for as low as £942. 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.

See more FAQs

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