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Cheap flights from Baltimore to Southampton from £286

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SOU
13 Jul — 20 Jul1
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 8 July 2025.

Round-trip from

£609

One-way from

£286

Popular in

June

Cheapest in

January

Average price

£623
KLM
  • KLM
  • 10/9-24/9
  • 4 total stops
  • 35h 51m total
  • Baltimore to Southampton
4/8
  • 4/8
  • 3 total stops
  • 20h 10m total
  • Baltimore to Southampton
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 8 July 2025.

Wed 10/918:25BWI - SOU
2 stops17h 35mKLM
Wed 24/909:20SOU - BWI
2 stops18h 16mKLM
Deal found 7/7£609
Wed 20/814:30BWI - SOU
3 stops25h 05mMultiple Airlines
Wed 27/819:50SOU - BWI
3 stops33h 09mMultiple Airlines
Deal found 6/7£636
Sun 17/812:23BWI - SOU
2 stops15h 22mDelta
Sun 24/809:20SOU - BWI
2 stops16h 31mDelta
Deal found 7/7£797
Mon 29/912:17BWI - SOU
2 stops15h 28mVirgin Atlantic
Fri 3/1009:20SOU - BWI
2 stops16h 13mVirgin Atlantic
Deal found 6/7£853

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 8 July 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

Wed 10/9

18:25-17:00

2 stops17h 35m

Southampton Eastleigh

Wed 24/9

09:20-22:36

2 stops18h 16m

£609

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Wed 20/8

14:30-20:35

3 stops25h 05m

Southampton Eastleigh

Wed 27/8

19:50-23:59

3 stops33h 09m

£636

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Sun 17/8

12:23-08:45

2 stops15h 22m

Southampton Eastleigh

Sun 24/8

09:20-20:51

2 stops16h 31m

£797

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 29/9

12:17-08:45

2 stops15h 28m

Southampton Eastleigh

Fri 3/10

09:20-20:33

2 stops16h 13m

£853

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 4/8

18:20-19:30

3 stops20h 10m

£286

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Fri 26/9

13:00-08:45

2 stops14h 45m

£367

BaltimoreSouthampton

BWI - SOU

BWISOU

Baltimore/Washington

Mon 4/8

21:20-08:25

2 stops30h 05m

£448

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated 8 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic from Baltimore to Southampton have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.
  • What are the cheapest airlines flying from Baltimore to Southampton round-trip?

    Currently priced at £609, KLM will fly you from Baltimore to Southampton and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Virgin Atlantic - these airlines can fly you to your destination from £797 and £853, respectively.

  • 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

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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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