Find flights
When to book
FAQs

Cheap flights from Baltimore to Southampton from £577

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
22 Mar — 29 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 20 February 2026.

Thu 2/410:54
BWI
-
SOU
2 stops16h 41m
Delta
Thu 9/409:05
SOU
-
BWI
2 stops18h 56m
Delta
Deal found 16/2£597
Sat 26/918:09
BWI
-
SOU
2 stops20h 21m
Multiple Airlines
Sat 3/1009:10
SOU
-
BWI
2 stops19h 22m
Multiple Airlines
Deal found 19/2£718
Sat 29/813:00
BWI
-
SOU
2 stops14h 45m
Delta
Mon 7/909:05
SOU
-
BWI
2 stops18h 08m
Delta
Deal found 19/2£735
Fri 3/410:54
BWI
-
SOU
2 stops16h 51m
Delta
Fri 10/409:05
SOU
-
BWI
2 stops18h 56m
Delta
Deal found 18/2£764
Sun 5/405:40
BWI
-
SOU
2 stops21h 55m
Delta
Sun 12/409:15
SOU
-
BWI
2 stops19h 44m
Delta
Deal found 19/2£793
Sat 4/412:25
BWI
-
SOU
2 stops15h 20m
KLM
Sat 11/409:15
SOU
-
BWI
2 stops18h 46m
KLM
Deal found 18/2£928
Fri 5/619:15
BWI
-
SOU
2 stops32h 30m
Scandinavian Airlines
Fri 19/617:20
SOU
-
BWI
2 stops28h 46m
Scandinavian Airlines
Deal found 18/2£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 20 February 2026.

Round-trip from

£597

One-way from

£577

Popular in

June

Cheapest in

September

Average price

£478
Delta
  • Delta
  • 2/4-9/4
  • 4 total stops
  • 35h 37m total
  • Baltimore to Southampton
Search Deals
KLM
  • KLM
  • 11/6
  • 2 total stops
  • 14h 35m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 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 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 20 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 2/4

10:54-08:35

2 stops16h 41m

Southampton Eastleigh

Thu 9/4

09:05-23:01

2 stops18h 56m

£597

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 3/4

10:54-08:45

2 stops16h 51m

Southampton Eastleigh

Fri 10/4

09:05-23:01

2 stops18h 56m

£764

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 5/4

05:40-08:35

2 stops21h 55m

Southampton Eastleigh

Sun 12/4

09:15-23:59

2 stops19h 44m

£793

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 4/4

12:25-08:45

2 stops15h 20m

Southampton Eastleigh

Sat 11/4

09:15-23:01

2 stops18h 46m

£928

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 5/6

19:15-08:45

2 stops32h 30m

Southampton Eastleigh

Fri 19/6

17:20-17:06

2 stops28h 46m

£970

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 5/6

20:30-08:25

3 stops30h 55m

Southampton Eastleigh

Fri 19/6

09:10-19:25

2 stops15h 15m

£1,069

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 25/6

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 1/8

20:00-19:45

2 stops28h 45m

£1,346

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 25/6

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Sat 4/7

20:00-19:45

2 stops28h 45m

£1,346

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 12/3

21:35-19:40

2 stops18h 05m

Southampton Eastleigh

Thu 19/3

20:10-19:45

2 stops27h 35m

£2,084

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 26/6

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Sat 4/7

09:15-20:50

2 stops16h 35m

£2,153

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 11 results
1
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 £64). Flying from Baltimore to Southampton in June is currently the most expensive (average of £523). 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 20m. Delta provides one of the quickest options available for as low as £928. 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 £64). Flying from Baltimore to Southampton in June is currently the most expensive (average of £523). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.