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Cheap flights from Baltimore to London from $184

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 3/25. 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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Find the cheapest flights from Baltimore to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
8:30 pm - 11:55 am
BWI
-
LHR
10h 25m
1 stop
Icelandair Logo
1:05 pm - 7:25 pm
LHR
-
BWI
11h 20m
1 stop
$560Icelandair
Fri, May 1 - Mon, May 11
Icelandair Logo
8:30 pm - 11:55 am
BWI
-
LHR
10h 25m
1 stop
Icelandair Logo
9:25 pm - 7:25 pm
LHR
-
BWI
27h 00m
1 stop
$561Icelandair
Fri, May 1 - Sun, May 10
Icelandair Logo
8:30 pm - 11:55 am
BWI
-
LHR
10h 25m
1 stop
Icelandair Logo
9:25 pm - 7:25 pm
LHR
-
BWI
27h 00m
1 stop
$562Icelandair
Fri, May 1 - Sun, May 3
Multiple Airlines Logo
5:58 pm - 6:00 am
BWI
-
LGW
31h 02m
2 stops
Multiple Airlines Logo
2:00 pm - 10:53 pm
LGW
-
BWI
13h 53m
1 stop
$562Multiple Airlines
Tue, Feb 24 - Thu, Mar 5
Icelandair Logo
8:30 pm - 8:20 pm
BWI
-
LHR
18h 50m
1 stop
Icelandair Logo
9:25 pm - 7:25 pm
LHR
-
BWI
27h 00m
1 stop
$563Icelandair
Fri, May 1 - Sun, May 3
Icelandair Logo
7:40 pm - 10:55 am
BWI
-
LGW
10h 15m
1 stop
Icelandair Logo
11:55 am - 7:40 pm
LGW
-
BWI
11h 45m
1 stop
$563Icelandair
Thu, Feb 26 - Tue, Mar 10
Icelandair Logo
8:30 pm - 8:20 pm
BWI
-
LHR
18h 50m
1 stop
Icelandair Logo
9:25 pm - 7:25 pm
LHR
-
BWI
27h 00m
1 stop
$564Icelandair
Fri, May 1 - Mon, May 4
Delta Logo
10:54 am - 7:55 am
BWI
-
LCY
16h 01m
2 stops
Delta Logo
10:00 am - 11:41 am
LCY
-
BWI
54h 41m
2 stops
$796Delta
Thu, Apr 9 - Mon, Apr 20
Delta Logo
10:54 am - 9:30 am
BWI
-
LCY
17h 36m
2 stops
Delta Logo
10:00 am - 12:38 am
LCY
-
BWI
43h 38m
2 stops
$799Delta
Wed, Apr 8 - Wed, Apr 22
Delta Logo
10:54 am - 8:50 am
BWI
-
LCY
16h 56m
2 stops
Delta Logo
10:00 am - 11:26 pm
LCY
-
BWI
18h 26m
2 stops
$911Delta
Thu, Apr 9 - Tue, Apr 21

Icelandair flights from Baltimore to London

Our best Icelandair deals on Baltimore to London flight tickets
Icelandair
May 1
BWI8:30 pmBaltimore/Washington
10h 25m
1 stop
LHR11:55 amLondon Heathrow
May 13
LHR1:05 pmLondon Heathrow
11h 20m
1 stop
BWI7:25 pmBaltimore/Washington
$560
Icelandair
May 1
BWI8:30 pmBaltimore/Washington
18h 50m
1 stop
LHR8:20 pmLondon Heathrow
May 12
LHR9:25 pmLondon Heathrow
27h 00m
1 stop
BWI7:25 pmBaltimore/Washington
$561
Icelandair
May 1
BWI8:30 pmBaltimore/Washington
10h 25m
1 stop
LHR11:55 amLondon Heathrow
May 3
LHR9:25 pmLondon Heathrow
27h 00m
1 stop
BWI7:25 pmBaltimore/Washington
$562

British Airways flights from Baltimore to London

Our best British Airways deals on Baltimore to London flight tickets
British Airways
Feb 26
BWI8:35 pmBaltimore/Washington
7h 05m
LHR8:40 amLondon Heathrow
Mar 10
LHR3:25 pmLondon Heathrow
8h 20m
BWI7:45 pmBaltimore/Washington
$628
British Airways
Feb 11
BWI2:46 pmBaltimore/Washington
13h 29m
1 stop
LHR9:15 amLondon Heathrow
Feb 18
LHR2:45 pmLondon Heathrow
13h 10m
1 stop
BWI10:55 pmBaltimore/Washington
$659
British Airways
Feb 11
BWI9:17 amBaltimore/Washington
17h 03m
1 stop
LHR7:20 amLondon Heathrow
Feb 18
LHR3:25 pmLondon Heathrow
8h 20m
BWI6:45 pmBaltimore/Washington
$668

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 January 29, 2026.
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

Fri 5/1

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Mon 5/11

1:05 pm-7:25 pm

1 stop11h 20m

$560

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 5/1

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 5/10

9:25 pm-7:25 pm

1 stop27h 00m

$561

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 5/1

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 5/3

9:25 pm-7:25 pm

1 stop27h 00m

$562

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Tue 2/24

5:58 pm-6:00 am

2 stops31h 02m

London Gatwick

Thu 3/5

2:00 pm-10:53 pm

1 stop13h 53m

$562

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 5/1

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Sun 5/3

9:25 pm-7:25 pm

1 stop27h 00m

$563

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 2/26

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Tue 3/10

11:55 am-7:40 pm

1 stop11h 45m

$563

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 5/1

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Mon 5/4

9:25 pm-7:25 pm

1 stop27h 00m

$564

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Thu 4/9

10:54 am-7:55 am

2 stops16h 01m

London City

Mon 4/20

10:00 am-11:41 am

2 stops54h 41m

$796

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Wed 4/8

10:54 am-9:30 am

2 stops17h 36m

London City

Wed 4/22

10:00 am-12:38 am

2 stops43h 38m

$799

BaltimoreLondon

BWI - LCY

BWILCY

Baltimore/Washington

Thu 4/9

10:54 am-8:50 am

2 stops16h 56m

London City

Tue 4/21

10:00 am-11:26 pm

2 stops18h 26m

$911

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 January. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Baltimore averaging around $642.

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 $756. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $886. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $808 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $814. Departure times in the evening 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 $763 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 $687 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 17% 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 January 2026, prices for Baltimore to London flights are approximately 79% 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

$393

Fastest flight time

7h 05m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Baltimore in the past 72 hours is $393. The best round-trip flight deal from Baltimore to London found on momondo in the last 72 hours is $653.
The fastest flight from Baltimore to London takes 7h 05m
Direct flights go from Baltimore to London every day.
There are 6 airports in London. From Baltimore there are direct flights to 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 $372Free CancellationRating
7.0
103 reviews
Search PLAY flights
Virgin AtlanticPriceFrom $471Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom $477Free CancellationRating
7.1
606 reviews
Search Icelandair flights
United AirlinesPriceFrom $506Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
IberiaPriceFrom $585Free CancellationRating
7.0
3,100 reviews
Search Iberia flights
FinnairPriceFrom $585Free CancellationRating
7.6
1,356 reviews
Search Finnair flights
British AirwaysPriceFrom $608Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
DeltaPriceFrom $609Free CancellationRating
7.9
8,127 reviews
Search Delta flights
American AirlinesPriceFrom $619Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights

  • Finnair Flights From Baltimore to London

    Finnair flight deals from Baltimore to London start from $585 round-trip. Over the 3 Finnair flights for this route in a normal week, average airfare is usually $740 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Baltimore to London

    Across 11,206 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 $619 to $836. 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
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Croydon
Richmond

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

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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