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Cheap flights from Baltimore to Southampton from £256

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
1 Apr — 8 Apr1
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 2 March 2026.

Fri 3/410:54
BWI
-
SOU
2 stops16h 51m
Delta
Thu 9/409:05
SOU
-
BWI
2 stops18h 09m
Delta
Deal found 26/2£610
Fri 3/410:54
BWI
-
SOU
2 stops16h 51m
Delta
Fri 10/409:05
SOU
-
BWI
2 stops31h 37m
Delta
Deal found 28/2£615
Sun 5/410:54
BWI
-
SOU
2 stops16h 41m
Delta
Sat 11/417:20
SOU
-
BWI
2 stops29h 44m
Delta
Deal found 28/2£730
Fri 3/410:54
BWI
-
SOU
2 stops16h 51m
Delta
Sat 11/417:20
SOU
-
BWI
2 stops29h 44m
Delta
Deal found 1/3£731
Mon 13/421:30
BWI
-
SOU
2 stops16h 30m
Aer Lingus
Mon 20/420:00
SOU
-
BWI
2 stops28h 40m
Aer Lingus
Deal found 26/2£795
Sun 12/421:35
BWI
-
SOU
2 stops16h 55m
Multiple Airlines
Sun 19/420:00
SOU
-
BWI
2 stops28h 40m
Multiple Airlines
Deal found 26/2£796
Mon 13/421:30
BWI
-
SOU
2 stops17h 00m
Multiple Airlines
Mon 20/420:00
SOU
-
BWI
2 stops28h 40m
Multiple Airlines
Deal found 27/2£796

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 2 March 2026.

Round-trip from

£610

One-way from

£256

Popular in

June

Cheapest in

September

Average price

£513
Delta
  • Delta
  • 3/4-9/4
  • 4 total stops
  • 35h 00m total
  • Baltimore to Southampton
Search Deals
24/8
  • 24/8
  • 2 total stops
  • 32h 45m 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 (£11 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 2 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

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 17/8

13:00-08:45

2 stops14h 45m

Southampton Eastleigh

Thu 27/8

09:15-22:13

2 stops17h 58m

£612

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 3/4

10:54-08:45

2 stops16h 51m

Southampton Eastleigh

Fri 10/4

09:05-11:42

2 stops31h 37m

£615

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 5/4

10:54-08:35

2 stops16h 41m

Southampton Eastleigh

Sat 11/4

17:20-18:04

2 stops29h 44m

£730

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 3/4

15:35-16:50

2 stops20h 15m

Southampton Eastleigh

Sat 11/4

17:20-18:04

2 stops29h 44m

£731

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 13/4

21:30-19:30

2 stops17h 00m

Southampton Eastleigh

Mon 20/4

20:00-19:40

2 stops28h 40m

£796

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

£828

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 29/3

10:54-08:35

2 stops16h 41m

Southampton Eastleigh

Thu 2/4

09:05-23:01

2 stops18h 56m

£988

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 27/6

16:00-08:35

2 stops35h 35m

Southampton Eastleigh

Wed 1/7

09:05-09:15

2 stops29h 10m

£1,079

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 24/8

20:30-10:15

2 stops32h 45m

£256

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Thu 11/6

21:30-19:30

2 stops17h 00m

£633

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 11 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.

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 £84). Flying from Baltimore to Southampton in June is currently the most expensive (average of £518). 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 £612. 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.

  • 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 £84). Flying from Baltimore to Southampton in June is currently the most expensive (average of £518). 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.

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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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