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Cheap flights from Baltimore to London from $185

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

PLAY Logo
6:50 pm - 10:40 amBWI-STN
10h 50m1 stop
PLAY Logo
11:40 am - 5:40 pmSTN-BWI
11h 00m1 stop
$522PLAY
Find Deal
Mon, Sep 1 - Fri, Sep 5
Logo
7:40 pm - 2:25 pmBWI-LTN
13h 45m1 stop
Logo
6:00 am - 6:40 pmLTN-BWI
17h 40m1 stop
$523
Find Deal
Tue, Nov 11 - Sun, Nov 16
Logo
3:31 pm - 10:00 amBWI-LGW
13h 29m1 stop
Logo
2:00 pm - 8:50 amLGW-BWI
23h 50m1 stop
$523
Find Deal
Thu, Nov 13 - Sat, Dec 6
PLAY Logo
6:50 pm - 10:40 amBWI-STN
10h 50m1 stop
PLAY Logo
11:40 am - 5:40 pmSTN-BWI
11h 00m1 stop
$523PLAY
Find Deal
Tue, Sep 2 - Thu, Sep 18
Logo
7:40 pm - 2:00 pmBWI-LTN
13h 20m1 stop
Logo
6:00 am - 6:40 pmLTN-BWI
17h 40m1 stop
$524
Find Deal
Mon, Nov 10 - Sun, Nov 23
PLAY Logo
6:50 pm - 10:40 amBWI-STN
10h 50m1 stop
PLAY Logo
11:40 am - 5:40 pmSTN-BWI
11h 00m1 stop
$524PLAY
Find Deal
Wed, Sep 10 - Mon, Sep 15
Icelandair Logo
8:30 pm - 11:55 amBWI-LHR
10h 25m1 stop
Icelandair Logo
8:35 pm - 7:40 pmLHR-BWI
27h 05m1 stop
$571Icelandair
Find Deal
Mon, Oct 20 - Sun, Oct 26
Icelandair Logo
7:40 pm - 10:55 amBWI-LGW
10h 15m1 stop
Icelandair Logo
11:55 am - 6:40 pmLGW-BWI
11h 45m1 stop
$573Icelandair
Find Deal
Mon, Nov 3 - Mon, Nov 10
Delta Logo
1:00 pm - 9:30 amBWI-LCY
15h 30m2 stops
Delta Logo
9:20 am - 10:57 pmLCY-BWI
18h 37m2 stops
$838Delta
Find Deal
Fri, Sep 19 - Fri, Sep 26
KLM Logo
7:29 pm - 5:20 pmBWI-LCY
16h 51m2 stops
KLM Logo
1:45 pm - 11:13 pmLCY-BWI
14h 28m2 stops
$869KLM
Find Deal
Thu, Sep 4 - Sun, Oct 12

Icelandair flights from Baltimore to London

Our best Icelandair deals on Baltimore to London flight tickets
Icelandair
Oct 20
BWI8:30 pmBaltimore/Washington
10h 25m
1 stop
LHR11:55 amLondon Heathrow
Oct 26
LHR8:35 pmLondon Heathrow
27h 05m
1 stop
BWI7:40 pmBaltimore/Washington
$571
Find similar
Icelandair
Nov 3
BWI7:40 pmBaltimore/Washington
10h 15m
1 stop
LGW10:55 amLondon Gatwick
Nov 10
LGW11:55 amLondon Gatwick
11h 45m
1 stop
BWI6:40 pmBaltimore/Washington
$573
Find similar
Icelandair
Oct 1
BWI8:30 pmBaltimore/Washington
10h 25m
1 stop
LHR11:55 amLondon Heathrow
Oct 14
LHR1:05 pmLondon Heathrow
11h 20m
1 stop
BWI7:25 pmBaltimore/Washington
$577
Find similar

British Airways flights from Baltimore to London

Our best British Airways deals on Baltimore to London flight tickets
British Airways
Aug 26
BWI6:54 pmBaltimore/Washington
12h 36m
1 stop
LHR12:30 pmLondon Heathrow
Sep 7
LHR4:35 pmLondon Heathrow
8h 10m
BWI7:45 pmBaltimore/Washington
$844
Find similar
British Airways
Aug 26
BWI6:54 pmBaltimore/Washington
12h 36m
1 stop
LHR12:30 pmLondon Heathrow
Sep 7
LHR9:15 amLondon Heathrow
12h 17m
1 stop
BWI4:32 pmBaltimore/Washington
$854
Find similar
British Airways
Aug 26
BWI9:20 pmBaltimore/Washington
7h 15m
LHR9:35 amLondon Heathrow
Sep 22
LHR4:35 pmLondon Heathrow
8h 10m
BWI7:45 pmBaltimore/Washington
$861
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 August 21, 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 - STN

BWISTN

Baltimore/Washington

Mon 9/1

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Fri 9/5

11:40 am-5:40 pm

1 stop11h 00m

$522

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Tue 11/11

7:40 pm-2:25 pm

1 stop13h 45m

London Luton

Sun 11/16

6:00 am-6:40 pm

1 stop17h 40m

$523

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 11/13

3:31 pm-10:00 am

1 stop13h 29m

London Gatwick

Sat 12/6

2:00 pm-8:50 am

1 stop23h 50m

$523

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Tue 9/2

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Thu 9/18

11:40 am-5:40 pm

1 stop11h 00m

$523

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Mon 11/10

7:40 pm-2:00 pm

1 stop13h 20m

London Luton

Sun 11/23

6:00 am-6:40 pm

1 stop17h 40m

$524

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Wed 9/10

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Mon 9/15

11:40 am-5:40 pm

1 stop11h 00m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 10/20

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 10/26

8:35 pm-7:40 pm

1 stop27h 05m

$571

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Mon 11/3

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Mon 11/10

11:55 am-6:40 pm

1 stop11h 45m

$573

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Fri 9/19

1:00 pm-9:30 am

2 stops15h 30m

London City

Fri 9/26

9:20 am-10:57 pm

2 stops18h 37m

$838

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Thu 9/4

7:29 pm-5:20 pm

2 stops16h 51m

London City

Sun 10/12

1:45 pm-11:13 pm

2 stops14h 28m

$869

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 $621, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Baltimore averaging around $659.

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 $757. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $902. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $761 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $822. 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 $769 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 $701 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.

How have Baltimore to London flight prices changed over time?

As of August 2025, prices for Baltimore to London flights are approximately 1% 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

Every day

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 $665.
The fastest flight from Baltimore to London takes 7h 05m
Direct flights go from Baltimore to London every day.
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 10h 10m.

  • 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 $474Free CancellationRating
7.0
529 reviews
Search Icelandair flights
United AirlinesPriceFrom $506Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
KLMPriceFrom $520Free CancellationRating
7.8
1,388 reviews
Search KLM flights
Virgin AtlanticPriceFrom $520Free CancellationRating
7.4
658 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom $554Free CancellationRating
7.1
1,228 reviews
Search Aer Lingus flights
IberiaPriceFrom $581Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
FinnairPriceFrom $585Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
DeltaPriceFrom $598Free CancellationRating
7.9
7,981 reviews
Search Delta flights
British AirwaysPriceFrom $627Free CancellationRating
6.7
7,291 reviews
Search British Airways flights

  • Finnair Flights From Baltimore to London

    Finnair flight deals from Baltimore to London start from $585 round-trip. Over the 7 Finnair flights for this route in a normal week, average airfare is usually $734 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Baltimore to London

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Baltimore to London about 7 times each week, with ticket deals ranging from $632 to $824. 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
Hounslow
Gatwick
Luton
Dover
Slough
Milton Keynes
Guildford
Dartford
Crawley
Hayes
Chelmsford
Stansted
Brentwood
Ilford
Folkestone
Colchester
Watford
Richmond
Canterbury
Croydon

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.
Start using Trips
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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