Find flights
When to book
FAQs

Cheap flights from Baltimore to Southampton from £318

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
27 Jun — 4 Jul1
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 28 May 2026.

Sun 20/907:05
BWI
-
SOU
2 stops20h 30m
Delta
Thu 1/1017:20
SOU
-
BWI
2 stops32h 53m
Delta
Deal found 24/5£829
Sat 19/914:54
BWI
-
SOU
2 stops36h 41m
Delta
Mon 28/917:20
SOU
-
BWI
2 stops29h 07m
Delta
Deal found 24/5£834
Sun 30/810:25
BWI
-
SOU
2 stops17h 10m
Delta
Wed 9/909:15
SOU
-
BWI
2 stops16h 48m
Delta
Deal found 25/5£853
Thu 24/909:20
BWI
-
SOU
2 stops18h 15m
Delta
Fri 2/1009:05
SOU
-
BWI
2 stops17h 08m
Delta
Deal found 24/5£866
Sun 20/908:15
BWI
-
SOU
2 stops19h 20m
Delta
Sun 27/909:15
SOU
-
BWI
2 stops28h 02m
Delta
Deal found 24/5£871
Sat 7/1119:40
BWI
-
SOU
2 stops20h 05m
Multiple Airlines
Sun 15/1114:50
SOU
-
BWI
3 stops32h 50m
Multiple Airlines
Deal found 25/5£875
Sat 19/914:54
BWI
-
SOU
2 stops36h 41m
Delta
Sun 27/909:15
SOU
-
BWI
2 stops28h 02m
Delta
Deal found 24/5£876
Thu 24/909:20
BWI
-
SOU
2 stops18h 15m
Delta
Sun 27/909:15
SOU
-
BWI
2 stops28h 02m
Delta
Deal found 24/5£908
Mon 24/811:25
BWI
-
SOU
2 stops16h 20m
Delta
Mon 7/909:05
SOU
-
BWI
2 stops19h 13m
Delta
Deal found 26/5£912
Wed 22/718:20
BWI
-
SOU
2 stops18h 15m
Delta
Mon 10/809:15
SOU
-
BWI
2 stops28h 05m
Delta
Deal found 24/5£949
Fri 25/913:55
BWI
-
SOU
2 stops21h 55m
Delta
Sun 27/917:20
SOU
-
BWI
2 stops43h 57m
Delta
Deal found 24/5£954

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 28 May 2026.

Round-trip from

£829

One-way from

£318

Popular in

June

Cheapest in

January

Average price

£673
Delta
  • Delta
  • 20/9-2/10
  • 4 total stops
  • 37h 38m total
  • Baltimore to Southampton
Search Deals
22/8
  • 22/8
  • 2 total stops
  • 30h 50m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 28 May 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

Sun 20/9

07:05-08:35

2 stops20h 30m

Southampton Eastleigh

Fri 2/10

09:05-21:13

2 stops17h 08m

£829

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 30/8

10:25-08:35

2 stops17h 10m

Southampton Eastleigh

Wed 9/9

09:15-21:03

2 stops16h 48m

£853

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 20/9

08:15-08:35

2 stops19h 20m

Southampton Eastleigh

Sun 27/9

09:15-08:17

2 stops28h 02m

£871

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 7/11

19:40-18:20

3 stops17h 40m

Southampton Eastleigh

Sun 15/11

14:50-18:40

3 stops32h 50m

£897

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 24/8

11:25-08:45

2 stops16h 20m

Southampton Eastleigh

Mon 7/9

09:05-23:18

2 stops19h 13m

£912

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 26/7

06:21-08:45

2 stops21h 24m

Southampton Eastleigh

Mon 10/8

09:15-08:20

2 stops28h 05m

£949

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 22/7

18:20-17:35

2 stops18h 15m

Southampton Eastleigh

Mon 10/8

09:15-08:20

2 stops28h 05m

£949
Fastest return journey

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 1/9

12:30-08:45

2 stops15h 15m

Southampton Eastleigh

Wed 9/9

09:15-21:03

2 stops16h 48m

£960

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 29/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Mon 7/9

09:05-23:18

2 stops19h 13m

£980

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 25/7

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Mon 10/8

09:15-08:20

2 stops28h 05m

£986

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 20 resultsSorted by cheapest first
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.

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 20h 30m. Delta provides one of the quickest options available for as low as £829. Baltimore and Southampton are separated by a distance of 3597 mi.

  • 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

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.