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Cheap flights from Baltimore to Southampton from £373

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
27 Aug — 3 Sep1
1 adult

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 22 August 2025.

Round-trip from

£578

One-way from

£373

Popular in

June

Cheapest in

January

Average price

£509
5/9-9/9
  • 5/9-9/9
  • 5 total stops
  • 45h 00m total
  • Baltimore to Southampton
Search Deals
KLM
  • KLM
  • 26/9
  • 2 total stops
  • 14h 45m total
  • Baltimore to Southampton
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£54 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 August 2025
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Find flight deals from Baltimore to Southampton

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 22 August 2025.

Fri 5/918:50BWI - SOU
2 stops15h 55mMultiple Airlines
Tue 9/917:35SOU - BWI
3 stops29h 05mMultiple Airlines
Deal found 20/8£578
Tue 11/1119:40BWI - SOU
2 stops20h 15mMultiple Airlines
Mon 17/1106:50SOU - BWI
2 stops16h 50mMultiple Airlines
Deal found 20/8£584
Fri 5/911:35BWI - SOU
2 stops16h 10mKLM
Tue 9/909:20SOU - BWI
2 stops17h 29mKLM
Deal found 20/8£609
Wed 10/911:35BWI - SOU
2 stops16h 10mKLM
Wed 24/909:20SOU - BWI
2 stops16h 14mKLM
Deal found 21/8£616
Sat 4/1018:50BWI - SOU
2 stops19h 40mMultiple Airlines
Sat 11/1009:40SOU - BWI
3 stops37h 00mMultiple Airlines
Deal found 19/8£754
Sun 5/1018:50BWI - SOU
2 stops19h 40mMultiple Airlines
Sun 12/1020:00SOU - BWI
3 stops26h 40mMultiple Airlines
Deal found 21/8£772
Sat 4/1013:00BWI - SOU
2 stops14h 45mKLM
Sat 11/1009:20SOU - BWI
2 stops16h 44mKLM
Deal found 19/8£777
Tue 11/1120:35BWI - SOU
2 stops18h 05mAer Lingus
Mon 17/1120:10SOU - BWI
2 stops27h 35mAer Lingus
Deal found 20/8£827
Wed 8/1018:50BWI - SOU
3 stops36h 10mMultiple Airlines
Wed 22/1009:10SOU - BWI
2 stops15h 15mMultiple Airlines
Deal found 20/8£856

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 22 August 2025.
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

Fri 5/9

18:50-15:45

2 stops15h 55m

Southampton Eastleigh

Tue 9/9

17:35-17:40

3 stops29h 05m

£578

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 11/11

19:40-20:55

2 stops20h 15m

Southampton Eastleigh

Mon 17/11

06:50-18:40

2 stops16h 50m

£584

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 5/9

11:35-08:45

2 stops16h 10m

Southampton Eastleigh

Tue 9/9

09:20-21:49

2 stops17h 29m

£609

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 10/9

11:35-08:45

2 stops16h 10m

Southampton Eastleigh

Wed 24/9

09:20-20:34

2 stops16h 14m

£616

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 5/10

10:28-08:45

2 stops17h 17m

Southampton Eastleigh

Sun 12/10

09:20-23:13

2 stops18h 53m

£616

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 9/2

14:10-08:50

2 stops13h 40m

Southampton Eastleigh

Sun 15/2

17:45-19:14

2 stops30h 29m

£617

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sat 7/2

18:25-17:15

2 stops17h 50m

Southampton Eastleigh

Sat 14/2

09:25-21:56

2 stops17h 31m

£617

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Tue 10/2

14:10-08:50

2 stops13h 40m

Southampton Eastleigh

Sun 15/2

17:45-19:14

2 stops30h 29m

£617

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 11/2

12:15-08:25

2 stops15h 10m

Southampton Eastleigh

Sun 15/2

17:45-19:14

2 stops30h 29m

£617

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 8/10

07:05-08:45

2 stops20h 40m

Southampton Eastleigh

Wed 22/10

09:20-23:13

2 stops18h 53m

£617

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 14 results
1
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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, September is the cheapest month in which you can book a flight from Baltimore to Southampton (average of £203). Flying from Baltimore to Southampton in November is currently the most expensive (average of £262). 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 10m. KLM provides one of the quickest options available for as low as £609. 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, September is the cheapest month in which you can book a flight from Baltimore to Southampton (average of £203). Flying from Baltimore to Southampton in November is currently the most expensive (average of £262). 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

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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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