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Cheap flights from Baltimore to London from $173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to London departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Icelandair Logo
7:40 pm - 10:50 amBWI-LHR
10h 10m1 stop
Icelandair Logo
8:35 pm - 6:40 pmLHR-BWI
27h 05m1 stop
$585Icelandair
Find Deal
Thu, Dec 11 - Thu, Dec 18
American Airlines Logo
8:35 pm - 8:40 amBWI-LHR
7h 05mnonstop
American Airlines Logo
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$586American Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 18
British Airways Logo
8:35 pm - 8:40 amBWI-LHR
7h 05mnonstop
British Airways Logo
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$587British Airways
Find Deal
Sun, Jan 11 - Tue, Jan 20
Icelandair Logo
8:30 pm - 2:40 pmBWI-LGW
13h 10m1 stop
Icelandair Logo
3:40 pm - 10:30 pmLGW-BWI
11h 50m1 stop
$587Icelandair
Find Deal
Wed, Apr 1 - Sat, Apr 11
Icelandair Logo
7:40 pm - 10:50 amBWI-LHR
10h 10m1 stop
Icelandair Logo
12:15 pm - 6:40 pmLHR-BWI
11h 25m1 stop
$588Icelandair
Find Deal
Mon, Dec 15 - Tue, Jan 20
American Airlines Logo
11:09 am - 7:20 amBWI-LHR
15h 11m1 stop
American Airlines Logo
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$589American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
British Airways Logo
8:35 pm - 8:40 amBWI-LHR
7h 05mnonstop
British Airways Logo
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$593British Airways
Find Deal
Wed, Jan 7 - Thu, Jan 29
Finnair Logo
8:35 pm - 8:40 amBWI-LHR
7h 05mnonstop
Finnair Logo
3:25 pm - 6:45 pmLHR-BWI
8h 20mnonstop
$630Finnair
Find Deal
Wed, Dec 31 - Fri, Jan 9
Delta Logo
10:30 am - 9:30 amBWI-LCY
19h 00m2 stops
Delta Logo
9:20 am - 12:11 amLCY-BWI
19h 51m2 stops
$713Delta
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Fri, Mar 27 - Tue, Mar 31
Delta Logo
10:47 am - 7:15 amBWI-LCY
15h 28m2 stops
Delta Logo
8:40 am - 8:44 pmLCY-BWI
17h 04m2 stops
$817Delta
Find Deal
Thu, Nov 20 - Tue, Nov 25

American Airlines flights from Baltimore to London

Our best American Airlines deals on Baltimore to London flight tickets
American Airlines
Nov 9
BWI8:35 pmBaltimore/Washington
7h 05m
LHR8:40 amLondon Heathrow
Nov 18
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$586
Find similar
American Airlines
Nov 5
BWI11:09 amBaltimore/Washington
15h 11m
1 stop
LHR7:20 amLondon Heathrow
Nov 12
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$589
Find similar
American Airlines
Nov 6
BWI5:46 pmBaltimore/Washington
10h 29m
1 stop
LHR9:15 amLondon Heathrow
Nov 11
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$639
Find similar

British Airways flights from Baltimore to London

Our best British Airways deals on Baltimore to London flight tickets
British Airways
Jan 11
BWI8:35 pmBaltimore/Washington
7h 05m
LHR8:40 amLondon Heathrow
Jan 20
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$587
Find similar
British Airways
Jan 7
BWI8:35 pmBaltimore/Washington
7h 05m
LHR8:40 amLondon Heathrow
Jan 29
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$593
Find similar
British Airways
Nov 12
BWI2:46 pmBaltimore/Washington
11h 34m
1 stop
LHR7:20 amLondon Heathrow
Dec 3
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$606
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to London 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, momondo users made 832,500 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Baltimore to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 12/11

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

Thu 12/18

8:35 pm-6:40 pm

1 stop27h 05m

$585

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 11/9

8:35 pm-8:40 am

Nonstop7h 05m

London Heathrow

Tue 11/18

3:25 pm-6:45 pm

Nonstop8h 20m

$586

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 1/11

8:35 pm-8:40 am

Nonstop7h 05m

London Heathrow

Tue 1/20

3:25 pm-6:45 pm

Nonstop8h 20m

$587

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 4/1

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Sat 4/11

3:40 pm-10:30 pm

1 stop11h 50m

$587

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 12/15

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

Tue 1/20

12:15 pm-6:40 pm

1 stop11h 25m

$588

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 11/5

11:09 am-7:20 am

1 stop15h 11m

London Heathrow

Wed 11/12

3:25 pm-6:45 pm

Nonstop8h 20m

$589

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 1/7

8:35 pm-8:40 am

Nonstop7h 05m

London Heathrow

Thu 1/29

3:25 pm-6:45 pm

Nonstop8h 20m

$593

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 12/31

8:35 pm-8:40 am

Nonstop7h 05m

London Heathrow

Fri 1/9

3:25 pm-6:45 pm

Nonstop8h 20m

$630

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Fri 3/27

10:30 am-9:30 am

2 stops19h 00m

London City

Tue 3/31

9:20 am-12:11 am

2 stops19h 51m

$713

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Thu 11/20

10:47 am-7:15 am

2 stops15h 28m

London City

Tue 11/25

8:40 am-8:44 pm

2 stops17h 04m

$817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Baltimore to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

The cheapest month to fly to London from Baltimore is in February. Flight prices, which tend to average around $627, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Baltimore averaging around $656.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Baltimore to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $766. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $907. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Baltimore in the evening is the least expensive time of day to depart. momondo users have found prices as low as $817 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $823. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Baltimore/Washington to London flight route?

Fly from Baltimore/Washington to London Heathrow for the best Baltimore/Washington - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $771 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Baltimore for as low as $692 on momondo.

What cabin class options are available on Baltimore/Washington to London flights?

There are 3 cabin classes available to choose from on Baltimore/Washington to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Baltimore to London flights?

You could potentially save up to 32% on your flight if you consider stops on a Baltimore to London flight.

How have Baltimore to London flight prices changed over time?

As of October 2025, prices for Baltimore to London flights are approximately 28% more expensive when compared to flights at the same time last year.

When to book flights from Baltimore to London

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to London (BWI to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to London

Best Price Found

$446

Fastest flight time

7h 05m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in London

1 airport
The best one-way flight to London from Baltimore in the past 72 hours is $446. The best round-trip flight deal from Baltimore to London found on momondo in the last 72 hours is $679.
The fastest flight from Baltimore to London takes 7h 05m
Direct flights go from Baltimore to London on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • How far is Baltimore/Washington to London by plane?

    The distance between Baltimore/Washington and London is about 3627.9 mi. In terms of flight time, this usually takes a little over 7h 05m.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to London?

    Prices for flights from Baltimore/Washington Airport to London refresh daily.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to London?

  • How old do you have to be to fly from Baltimore/Washington Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Baltimore to London?

  • What is the most popular airline from Baltimore to London?

Best airlines flying from Baltimore to London

Compare and see reviews for airlines that fly from Baltimore to London with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $369Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $472Free CancellationRating
7.1
562 reviews
Search Icelandair flights
United AirlinesPriceFrom $506Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
KLMPriceFrom $520Free CancellationRating
7.7
1,406 reviews
Search KLM flights
Virgin AtlanticPriceFrom $520Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom $554Free CancellationRating
7.2
1,360 reviews
Search Aer Lingus flights
IberiaPriceFrom $583Free CancellationRating
7.0
3,001 reviews
Search Iberia flights
FinnairPriceFrom $599Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
DeltaPriceFrom $609Free CancellationRating
7.9
7,996 reviews
Search Delta flights
British AirwaysPriceFrom $632Free CancellationRating
6.7
7,481 reviews
Search British Airways flights

  • Finnair Flights From Baltimore to London

    Finnair flight deals from Baltimore to London start from $599 round-trip. Over the 6 Finnair flights for this route in a normal week, average airfare is usually $758 round-trip - but some users have found much cheaper deals with momondo.

  • Aer Lingus Flights From Baltimore to London

    Across 1,360 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Baltimore to London about 5 times each week, with ticket deals ranging from $554 to $952. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford
Harrow

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to London?

It is quick and easy to find Baltimore to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Baltimore to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Baltimore which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Baltimore to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Baltimore.

I’m not ready to book a flight from Baltimore to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Baltimore to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport