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Cheap flights from Baltimore to Southampton from £270

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
6 Sep — 13 Sep1
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 7 August 2026.

Sat 19/920:30 -
2 stops18h 00m
Sat 26/909:20 -
2 stops15h 05m
Deal found 5/8£816
Thu 17/920:30 -
2 stops16h 15m
Thu 24/911:40 -
2 stops15h 35m
Deal found 3/8£834
Sun 20/920:30 -
3 stops31h 10m
Sun 27/920:00 -
3 stops28h 25m
Deal found 6/8£863
Thu 27/814:18 -
2 stops13h 27m
Wed 2/909:15 -
2 stops16h 58m
Deal found 6/8£1,001
Fri 28/813:45 -
2 stops14h 00m
Wed 2/909:15 -
2 stops16h 58m
Deal found 6/8£1,015
Sat 5/917:36 -
2 stops18h 14m
Sat 12/909:15 -
2 stops17h 15m
Deal found 6/8£1,078

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 7 August 2026.

Round-trip from

£816

One-way from

£270

Popular in

June

Cheapest in

January

Average price

£641
19/9-26/9
  • 19/9-26/9
  • 4 total stops
  • 33h 05m total
  • Baltimore to Southampton
Search Deals
18/11
  • 18/11
  • 3 total stops
  • 39h 55m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 7 August 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 Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sat 19/9

20:30-19:30

2 stops18h 00m

Southampton Eastleigh

Sat 26/9

09:20-19:25

2 stops15h 05m

£816

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sun 20/9

20:30-17:45

2 stops16h 15m

Southampton Eastleigh

Sun 27/9

12:35-19:25

3 stops35h 50m

£894

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sat 5/9

17:36-16:50

2 stops18h 14m

Southampton Eastleigh

Sat 12/9

09:15-21:30

2 stops17h 15m

£1,078

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Thu 3/9

12:30-08:35

2 stops15h 05m

Southampton Eastleigh

Thu 17/9

09:05-21:25

2 stops17h 20m

£1,085

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

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

£1,095
Fastest return journey

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Thu 3/9

13:45-08:35

2 stops13h 50m

Southampton Eastleigh

Wed 9/9

09:15-21:28

2 stops17h 13m

£1,190

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Wed 9/12

18:55-17:40

2 stops17h 45m

Southampton Eastleigh

Sun 13/12

20:50-17:05

2 stops25h 15m

£3,696
Cheapest one-way

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Tue 17/11

19:40-19:30

3 stops18h 50m

£295

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Sun 15/11

07:00-17:00

2 stops29h 00m

£342

BaltimoreSouthampton

BWI Baltimore/Washington - SOU Southampton Eastleigh

BWISOU

Baltimore/Washington

Wed 18/11

07:00-08:10

2 stops20h 10m

£342

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 15 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 15h 05m. Delta provides one of the quickest options available for as low as £1,085. 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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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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