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.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

How far in advance should I book a flight from Baltimore to Southampton?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 37% on flights from Baltimore to Southampton compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £589. For sooner than that we have options available in the next 3 days from £685.

What is the cheapest month to fly from Baltimore to Southampton?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Southampton. Flights to Southampton from Baltimore in January are about £544 on average during January, but can be found for as low as £283.

What is the cheapest time of day to fly from BWI to SOU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Southampton as you normally would.

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.

£286+ Flights from Baltimore to Southampton

Cheap flight deals from Baltimore to Southampton

Round-trip from	£609
One-way from	£286
Popular in	June
Cheapest in	January
Average price	£623

KLM
10/9-24/9
4 total stops
35h 51m total
Baltimore to Southampton

Search Deals

4/8
3 total stops
20h 10m total
Baltimore to Southampton

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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

Best flights from Baltimore to Southampton
Discover carefully curated flight deals from Baltimore to Southampton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 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

Last-minute flights from Baltimore to Southampton
Discover last-minute flight deals from Baltimore to Southampton. Data last updated 8 July 2025 and is based on user searches.

Sun 17/812:23BWI - SOU

2 stops15h 22mDelta

Sun 24/809:20SOU - BWI

2 stops16h 31mDelta

Deal found 7/7£797

Mon 18/813:06BWI - SOU

2 stops14h 44mKLM

Sat 30/809:20SOU - BWI

2 stops16h 31mKLM

Deal found 6/7£609

Wed 20/814:30BWI - SOU

3 stops25h 05mMultiple Airlines

Wed 27/819:50SOU - BWI

3 stops33h 09mMultiple Airlines

Deal found 6/7£636

One-way flights from Baltimore to Southampton
Search for one-way flight options from Baltimore to Southampton. Find affordable one-way fares based on user searches. Data last updated 8 July 2025.

Mon 4/818:20BWI - SOU

3 stops20h 10mMultiple Airlines

Deal found 7/7£286

Fri 26/913:00BWI - SOU

2 stops14h 45mKLM

Deal found 7/7£367

Mon 4/821:20BWI - SOU

2 stops30h 05mAer Lingus

Deal found 7/7£448

Cheapflights Fare Finder

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

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

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.

Delta

8.0

Very Good

7,963 reviews

Check prices

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!

Delta

8.0

Very Good

7,963 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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!

KLM

7.8

Good

1,368 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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!

Virgin Atlantic

7.4

Good

653 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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!

Aer Lingus

7.1

Good

1,151 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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

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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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.

Cheap flight deals from Baltimore to Southampton

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Baltimore to Southampton

Cheapest flights from Baltimore to SouthamptonExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Southampton that are best for you.

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.

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?

Reviews of airlines servicing Southampton

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.

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?

Can I find deals for flights from Baltimore to Southampton that include hotel bookings?

How can I find direct flights from Baltimore to Southampton?

Can I find deals for business class flights from Baltimore to Southampton?

What is the cheapest month to book a flight from Baltimore to Southampton?

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.

Alternative routes for Baltimore to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

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?

Why should you use Cheapflights to find cheap flight tickets from Baltimore to Southampton?

Can Cheapflights find flights from Baltimore to Southampton with no change fees?

Can Cheapflights notify me if prices for flights from Baltimore to Southampton become cheaper?

100% Free

Book with Flexibility

Travel Smart

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.