Cheap flights from London to Washington, D.C. from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Washington, D.C. departing on 5/1. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:50 pm - 9:23 pm
LHR
-
BWI
36h 33m
2 stops
United Airlines Logo
6:00 am - 5:55 am
BWI
-
LHR
18h 55m
2 stops
$597United Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
1:35 pm - 5:28 pm
LHR
-
BWI
32h 53m
2 stops
United Airlines Logo
11:00 am - 8:30 am
BWI
-
LHR
16h 30m
1 stop
$611United Airlines
Wed, Apr 29 - Wed, May 6
British Airways Logo
4:25 pm - 7:40 pm
LHR
-
BWI
8h 15mnonstop
British Airways Logo
9:30 pm - 9:50 am
BWI
-
LHR
7h 20mnonstop
$619British Airways
Tue, May 19 - Thu, Jun 4
British Airways Logo
4:25 pm - 7:40 pm
LHR
-
BWI
8h 15mnonstop
British Airways Logo
9:30 pm - 9:50 am
BWI
-
LHR
7h 20mnonstop
$624British Airways
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
11:35 am - 7:25 pm
STN
-
BWI
12h 50m
2 stops
Multiple Airlines Logo
8:30 pm - 5:35 pm
BWI
-
STN
16h 05m
2 stops
$630Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
9:40 am - 7:25 pm
LTN
-
BWI
14h 45m
2 stops
Multiple Airlines Logo
8:30 pm - 3:30 pm
BWI
-
LTN
14h 00m
2 stops
$630Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
4:25 pm - 7:40 pm
LHR
-
BWI
8h 15mnonstop
British Airways Logo
9:30 pm - 9:50 am
BWI
-
LHR
7h 20mnonstop
$630British Airways
Tue, Apr 21 - Thu, May 28
Finnair Logo
12:15 pm - 9:58 am
LHR
-
BWI
26h 43m
1 stop
Finnair Logo
8:00 pm - 12:15 pm
BWI
-
LHR
11h 15m
1 stop
$636Finnair
Tue, Jul 21 - Mon, Aug 3
Icelandair Logo
3:40 pm - 7:25 pm
LGW
-
BWI
32h 45m
1 stop
Icelandair Logo
8:30 pm - 11:45 am
BWI
-
LGW
10h 15m
1 stop
$665Icelandair
Sun, May 3 - Sat, May 16
Icelandair Logo
3:40 pm - 7:25 pm
LGW
-
BWI
32h 45m
1 stop
Icelandair Logo
8:30 pm - 11:45 am
BWI
-
LGW
10h 15m
1 stop
$668Icelandair
Sun, May 3 - Sat, May 16

Icelandair flights from London to Baltimore

Our best Icelandair deals on London to Baltimore flight tickets
Icelandair
May 3
LGW3:40 pmLondon Gatwick
32h 45m
1 stop
BWI7:25 pmBaltimore/Washington
May 16
BWI8:30 pmBaltimore/Washington
10h 15m
1 stop
LGW11:45 amLondon Gatwick
$665
Icelandair
May 3
LGW3:40 pmLondon Gatwick
32h 45m
1 stop
BWI7:25 pmBaltimore/Washington
May 16
BWI8:30 pmBaltimore/Washington
10h 15m
1 stop
LGW11:45 amLondon Gatwick
$668
Icelandair
May 3
LGW3:40 pmLondon Gatwick
32h 45m
1 stop
BWI7:25 pmBaltimore/Washington
May 16
BWI8:30 pmBaltimore/Washington
10h 15m
1 stop
LGW11:45 amLondon Gatwick
$669

United Airlines flights from London to Baltimore

Our best United Airlines deals on London to Baltimore flight tickets
United Airlines
Apr 13
LHR1:50 pmLondon Heathrow
36h 33m
2 stops
BWI9:23 pmBaltimore/Washington
Apr 20
BWI6:00 amBaltimore/Washington
18h 55m
2 stops
LHR5:55 amLondon Heathrow
$597
United Airlines
Apr 30
LHR1:35 pmLondon Heathrow
36h 27m
2 stops
BWI9:02 pmBaltimore/Washington
May 7
BWI11:00 amBaltimore/Washington
14h 45m
1 stop
LHR6:45 amLondon Heathrow
$611
United Airlines
Apr 30
LHR3:20 pmLondon Heathrow
23h 42m
2 stops
BWI10:02 amBaltimore/Washington
May 4
BWI6:15 amBaltimore/Washington
21h 15m
1 stop
LHR8:30 amLondon Heathrow
$633

momondo Fare Finder

 
Customize your flight search to find flights from London to Baltimore 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 March 20, 2026.
Use the filters below to find and compare flights from London to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Mon 4/13

1:50 pm-9:23 pm

2 stops36h 33m

Baltimore/Washington

Mon 4/20

6:00 am-5:55 am

2 stops18h 55m

$597

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Wed 4/29

1:35 pm-5:28 pm

2 stops32h 53m

Baltimore/Washington

Wed 5/6

11:00 am-8:30 am

1 stop16h 30m

$611
Quickest round-trip

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Tue 5/19

4:25 pm-7:40 pm

Nonstop8h 15m

Baltimore/Washington

Thu 6/4

9:30 pm-9:50 am

Nonstop7h 20m

$619

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Mon 4/13

4:25 pm-7:40 pm

Nonstop8h 15m

Baltimore/Washington

Mon 4/20

9:30 pm-9:50 am

Nonstop7h 20m

$624

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Tue 4/14

11:35 am-7:25 pm

2 stops12h 50m

Baltimore/Washington

Tue 4/21

8:30 pm-5:35 pm

2 stops16h 05m

$630

LondonBaltimore

LTN - BWI

LTNBWI

London Luton

Tue 4/14

9:40 am-7:25 pm

2 stops14h 45m

Baltimore/Washington

Tue 4/21

8:30 pm-3:30 pm

2 stops14h 00m

$630

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Tue 4/21

4:25 pm-7:40 pm

Nonstop8h 15m

Baltimore/Washington

Thu 5/28

9:30 pm-9:50 am

Nonstop7h 20m

$630

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Tue 7/21

12:15 pm-9:58 am

1 stop26h 43m

Baltimore/Washington

Mon 8/3

8:00 pm-12:15 pm

1 stop11h 15m

$636

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sun 5/3

3:40 pm-7:25 pm

1 stop32h 45m

Baltimore/Washington

Sat 5/16

8:30 pm-11:45 am

1 stop10h 15m

$665

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sun 5/3

3:40 pm-7:25 pm

1 stop32h 45m

Baltimore/Washington

Sat 5/16

8:30 pm-11:45 am

1 stop10h 15m

$668

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 Washington, D.C. from

How to get the cheapest flight ticket from London to Baltimore

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 typical price of a round-trip flight between London and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in January, then November is your next best option. Flight prices from London to Baltimore during November average around $658.

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

The cheapest day to depart from London to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $714. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,090. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

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

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

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

You are more likely to see cheaper flights to Baltimore from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $818 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from London for as low as $681 on momondo.

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

There are 3 cabin classes available to choose from on London to Baltimore/Washington 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 London to Baltimore flights?

You could potentially save up to 14% on your flight if you consider stops on a London to Baltimore flight.

How have London to Baltimore flight prices changed over time?

As of March 2026, prices for London to Baltimore flights are approximately 129% more expensive when compared to flights at the same time last year.

When to book flights from London to Baltimore

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

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

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

Best Price Found

$771

Fastest flight time

8h 15m

Direct flights

Every day

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from London in the past 72 hours is $771. The best round-trip flight deal from London to Baltimore found on momondo in the last 72 hours is $800.
The fastest flight from London to Baltimore takes 8h 15m
Direct flights go from London to Baltimore every day.
There is 1 airport in Baltimore. From London there are direct flights to Baltimore/Washington (BWI).
  • How far is London to Baltimore/Washington by plane?

    There are 3627.9 mi between London and Baltimore/Washington. Flights usually cover this in 8h 15m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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 London to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from London to Baltimore

Compare and see reviews for airlines that fly from London to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $535Free CancellationRating
7.0
625 reviews
Search Icelandair flights
American AirlinesPriceFrom $569Free CancellationRating
7.1
11,490 reviews
Search American Airlines flights
DeltaPriceFrom $652Free CancellationRating
7.9
8,312 reviews
Search Delta flights
British AirwaysPriceFrom $688Free CancellationRating
6.7
7,804 reviews
Search British Airways flights
  • American Airlines Flights From London to Baltimore

    American Airlines flies from London to Baltimore around 3 times per week, with 11,490 momondo users rating the airline 7.1/10. The cheapest American Airlines deal from London to Baltimore in the last 72 hours was $569 (round-trip), much lower than the average airfare cost of $820 for American Airlines flights on this route.

  • British Airways Flights From London to Baltimore

    British Airways (6.7/10 from 7,804 reviews) operates around 3 flights from London to Baltimore in any given week. The average British Airways airfare for this route is around $893, with deals from around $688 rare but found on momondo. Referenced prices are for round-trip London to Baltimore flight searches in the last 72 hours.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Baltimore for you.

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

Yes. momondo allows you to filter the results for London to Baltimore flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between London and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from London to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.

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1 adult
Sun 4/19
Sun 4/26

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