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Cheap flights from Baltimore to Southampton from £299

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
30 Apr — 7 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 31 March 2026.

Wed 13/512:31
BWI
-
SOU
2 stops15h 04m
KLM
Wed 20/509:05
SOU
-
BWI
2 stops16h 42m
KLM
Deal found 30/3£897
Thu 17/913:00
BWI
-
SOU
2 stops14h 35m
Delta
Tue 6/1009:05
SOU
-
BWI
2 stops18h 05m
Delta
Deal found 27/3£930
Sat 29/810:00
BWI
-
SOU
2 stops17h 45m
Delta
Mon 7/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 30/3£952
Mon 11/521:30
BWI
-
SOU
2 stops17h 00m
Multiple Airlines
Mon 18/520:00
SOU
-
BWI
2 stops28h 40m
Multiple Airlines
Deal found 26/3£1,000
Fri 15/521:30
BWI
-
SOU
2 stops33h 35m
Multiple Airlines
Fri 22/512:35
SOU
-
BWI
2 stops36h 05m
Multiple Airlines
Deal found 31/3£1,358
Tue 4/813:45
BWI
-
SOU
2 stops14h 00m
KLM
Thu 20/809:15
SOU
-
BWI
2 stops16h 36m
KLM
Deal found 27/3£1,388
Tue 1/919:25
BWI
-
SOU
2 stops16h 25m
British Airways
Sat 5/914:55
SOU
-
BWI
2 stops33h 50m
British Airways
Deal found 28/3£3,498
Tue 14/721:30
BWI
-
SOU
2 stops16h 55m
British Airways
Mon 27/706:50
SOU
-
BWI
2 stops17h 50m
British Airways
Deal found 26/3£3,514
Fri 14/821:30
BWI
-
SOU
2 stops17h 00m
Aer Lingus
Fri 21/820:00
SOU
-
BWI
2 stops26h 15m
Aer Lingus
Deal found 29/3£3,542
Sun 20/921:35
BWI
-
SOU
2 stops18h 20m
British Airways
Thu 24/915:15
SOU
-
BWI
2 stops33h 25m
British Airways
Deal found 29/3£3,551

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 31 March 2026.

Round-trip from

£897

One-way from

£299

Popular in

June

Cheapest in

September

Average price

£531
KLM
  • KLM
  • 13/5-20/5
  • 4 total stops
  • 31h 46m total
  • Baltimore to Southampton
Search Deals
2/8
  • 2/8
  • 2 total stops
  • 19h 15m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 March 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

Wed 12/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Wed 26/8

09:15-22:13

2 stops17h 58m

£897

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 13/5

12:00-08:35

2 stops15h 35m

Southampton Eastleigh

Wed 20/5

09:05-20:47

2 stops16h 42m

£897

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 17/9

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Tue 6/10

09:05-22:10

2 stops18h 05m

£930

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

10:00-08:45

2 stops17h 45m

Southampton Eastleigh

Mon 7/9

09:05-22:13

2 stops18h 08m

£952

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 15/5

21:30-12:05

2 stops33h 35m

Southampton Eastleigh

Fri 22/5

12:35-19:40

2 stops36h 05m

£1,358
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 4/8

13:45-08:45

2 stops14h 00m

Southampton Eastleigh

Thu 20/8

09:15-20:51

2 stops16h 36m

£1,388

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 1/9

19:25-16:50

2 stops16h 25m

Southampton Eastleigh

Sat 5/9

14:55-19:45

2 stops33h 50m

£3,498
Cheapest one-way

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 2/8

20:30-20:45

2 stops19h 15m

£299
Fastest single journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 11/6

19:29-16:50

2 stops16h 21m

£671

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 11/6

21:30-19:30

2 stops17h 00m

£722

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Sorted by cheapest first

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 £529). 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 14h 45m. Delta provides one of the quickest options available for as low as £897. 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 £529). 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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