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Cheap flights from Baltimore to Southampton from £427

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

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 12 January 2026.

Round-trip from

£566

One-way from

£427

Popular in

June

Cheapest in

September

Average price

£478
KLM
  • KLM
  • 25/2-4/3
  • 4 total stops
  • 35h 50m total
  • Baltimore to Southampton
Search Deals
Delta
  • Delta
  • 11/6
  • 2 total stops
  • 16h 10m 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 (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 12 January 2026.

Sun 15/210:40
BWI
-
SOU
2 stops17h 10m
Delta
Tue 3/308:50
SOU
-
BWI
2 stops19h 03m
Delta
Deal found 12/1£566
Sun 25/119:40
BWI
-
SOU
2 stops16h 50m
Multiple Airlines
Wed 28/112:15
SOU
-
BWI
3 stops35h 25m
Multiple Airlines
Deal found 11/1£653
Sun 15/219:40
BWI
-
SOU
3 stops16h 25m
Multiple Airlines
Tue 3/317:35
SOU
-
BWI
3 stops30h 05m
Multiple Airlines
Deal found 12/1£690
Sat 29/813:00
BWI
-
SOU
2 stops14h 45m
Delta
Mon 7/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 10/1£709
Thu 13/813:00
BWI
-
SOU
2 stops14h 45m
Delta
Sat 22/809:15
SOU
-
BWI
2 stops16h 36m
Delta
Deal found 11/1£804
Sun 25/113:02
BWI
-
SOU
2 stops14h 48m
KLM
Wed 28/109:25
SOU
-
BWI
2 stops18h 40m
KLM
Deal found 11/1£832
Mon 2/319:54
BWI
-
SOU
3 stops19h 26m
Multiple Airlines
Wed 18/316:50
SOU
-
BWI
2 stops30h 55m
Multiple Airlines
Deal found 11/1£1,057
Fri 19/613:00
BWI
-
SOU
2 stops14h 45m
Multiple Airlines
Sat 27/609:15
SOU
-
BWI
2 stops18h 39m
Multiple Airlines
Deal found 11/1£1,098
Thu 25/621:30
BWI
-
SOU
2 stops17h 00m
Aer Lingus
Sun 5/709:10
SOU
-
BWI
2 stops15h 35m
Aer Lingus
Deal found 12/1£1,269

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 12 January 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

Wed 25/2

10:33-08:20

2 stops16h 47m

Southampton Eastleigh

Wed 4/3

08:50-22:53

2 stops19h 03m

£566

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 15/2

10:40-08:50

2 stops17h 10m

Southampton Eastleigh

Tue 3/3

08:50-22:53

2 stops19h 03m

£566

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 2/3

07:15-08:20

2 stops20h 05m

Southampton Eastleigh

Wed 18/3

17:35-19:19

2 stops29h 44m

£566

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 25/1

19:40-17:30

2 stops16h 50m

Southampton Eastleigh

Wed 28/1

12:15-18:40

3 stops35h 25m

£653

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 15/2

19:40-17:05

3 stops16h 25m

Southampton Eastleigh

Tue 3/3

17:35-18:40

3 stops30h 05m

£690

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 25/1

13:02-08:50

2 stops14h 48m

Southampton Eastleigh

Wed 28/1

09:25-23:05

2 stops18h 40m

£832

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 19/6

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Sat 27/6

09:15-22:54

2 stops18h 39m

£1,098

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 16/6

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Sun 28/6

09:15-22:13

2 stops17h 58m

£1,717

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 17/6

13:00-08:35

2 stops14h 35m

Southampton Eastleigh

Sun 28/6

09:15-22:13

2 stops17h 58m

£1,717

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 6/2

20:35-16:40

2 stops15h 05m

Southampton Eastleigh

Tue 10/2

08:40-18:45

2 stops39h 05m

£3,319

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 11 results
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2

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 £528). 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 16h 47m. KLM provides one of the quickest options available for as low as £566. 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 £528). 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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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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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