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Heathrow

$345+ Cheap flights from Baltimore (BWI) to Heathrow (LHR)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Jun 23 — Jun 301
Tue 6/23
Tue 6/30
1 adult, Economy
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Find cheap flights from Baltimore to Heathrow with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or November, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Baltimore to Heathrow

Cheapest flights from Baltimore to Heathrow
Explore the most affordable flight options available from Baltimore to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.

This oojo deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:30 pm
BWI
-
LHR
1 stop18h 50m
Icelandair
Fri 10/169:25 pm
LHR
-
BWI
1 stop29h 50m
Icelandair
Deal found 5/20$842
This Gotogate deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Sat 10/249:25 pm
LHR
-
BWI
1 stop27h 15m
Icelandair
Deal found 5/20$844
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Mon 8/241:05 pm
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 5/23$845
This deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Wed 6/31:05 pm
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 5/19$846
This Cheapflightsfares deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:00 pm
BWI
-
LHR
2 stops15h 20m
Scandinavian Airlines
Tue 10/136:40 am
LHR
-
BWI
2 stops20h 30m
Scandinavian Airlines
Deal found 5/20$849
This Icelandair deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Wed 8/129:25 pm
LHR
-
BWI
1 stop29h 50m
Icelandair
Deal found 5/20$850
This Icelandair deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:20 pm
BWI
-
LHR
1 stop31h 35m
Icelandair
Mon 8/241:05 pm
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 5/22$851
This oojo deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Sat 10/241:05 pm
LHR
-
BWI
1 stop14h 10m
Icelandair
Deal found 5/23$852
This deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Fri 6/51:05 pm
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 5/19$853
This oojo deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:20 pm
BWI
-
LHR
1 stop16h 00m
Icelandair
Fri 8/71:05 pm
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 5/23$854
This Icelandair deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:40 pm
BWI
-
LHR
1 stop18h 50m
Icelandair
Sat 12/128:35 pm
LHR
-
BWI
1 stop27h 05m
Icelandair
Deal found 5/22$855
This oojo deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:20 pm
BWI
-
LHR
1 stop16h 00m
Icelandair
Sun 8/99:25 pm
LHR
-
BWI
1 stop27h 00m
Icelandair
Deal found 5/23$856

Find flight deals from Baltimore to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$845
(oojo)

One-way from

$345
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$853
Provider with most accurate pricing for Baltimore/Washington-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-London Heathrow flights.
Search Deals
From Baltimore/Washington to London Heathrow
Search Deals
One-way flight from Baltimore/Washington to London Heathrow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated May 24, 2026.
Use the filters below to find and compare flights from Baltimore to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 8/19

9:59 am-7:10 am

1 stop16h 11m

London Heathrow

Tue 8/25

6:15 am-5:15 pm

2 stops16h 00m

$874

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 8/11

12:30 pm-6:45 am

2 stops13h 15m

London Heathrow

Thu 8/20

12:25 pm-11:29 pm

2 stops16h 04m

$899

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 8/21

12:30 pm-6:45 am

2 stops13h 15m

London Heathrow

Mon 8/31

11:30 am-10:54 pm

2 stops16h 24m

$976
Quickest round-trip

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sat 8/15

7:25 pm-7:45 am

Nonstop7h 20m

London Heathrow

Mon 9/14

4:25 pm-7:40 pm

Nonstop8h 15m

$977

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 8/6

6:38 pm-6:45 am

1 stop31h 07m

London Heathrow

Sat 8/15

8:00 am-6:30 pm

1 stop15h 30m

$1,049

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 8/7

9:30 pm-9:50 am

Nonstop7h 20m

London Heathrow

Sun 8/16

4:30 pm-7:45 pm

Nonstop8h 15m

$1,104

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 7/9

6:38 pm-9:00 am

1 stop33h 22m

London Heathrow

Fri 7/24

9:30 am-5:36 pm

2 stops37h 06m

$1,114

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 7/7

5:00 pm-1:15 pm

1 stop15h 15m

London Heathrow

Tue 7/14

11:30 am-11:18 pm

2 stops16h 48m

$1,142

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 7/15

2:08 pm-8:50 am

2 stops13h 42m

London Heathrow

Wed 7/22

3:15 pm-12:39 am

1 stop14h 24m

$1,168

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 7/14

12:33 pm-9:15 am

2 stops15h 42m

London Heathrow

Mon 7/20

1:25 pm-9:29 pm

1 stop13h 04m

$1,239

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Baltimore to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Heathrow in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Baltimore with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport

How far ahead should I book a flight from Baltimore to London Heathrow Airport?

The best time to book flights from Baltimore to London Heathrow Airport is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Baltimore to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of $642). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of $1,128). 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.

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

Find hourly flight availability from Baltimore to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 24, 2026.

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

How much does it cost to fly round-trip from Baltimore to London Heathrow Airport?

The best insider tips for Baltimore to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to London Heathrow Airport trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated May 24, 2026.
Read reviews from past customers who have flown Finnair,American Airlines, andIcelandair from Baltimore to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,399 reviews

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Finnair
7.7
Good
1,399 reviews
Finnair
7.7
Good
1,399 reviews

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
American Airlines
7.1
Good
11,636 reviews
Finnair
7.7
Good
1,399 reviews

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Icelandair
7.0
Good
657 reviews
Finnair
7.7
Good
1,399 reviews

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
Iberia
7.0
Good
3,220 reviews
Finnair
7.7
Good
1,399 reviews

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.
British Airways
6.7
Okay
7,997 reviews
Finnair
7.7
Good
1,399 reviews

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

LAX - HEL

All crew members are really nice behavior. Devdutt also nice person.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Baltimore to London Heathrow?

    If you book a flight to London Heathrow from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 4 flights from Baltimore/Washington to London Heathrow per day from 8 different airlines.

  • How long is the flight from Baltimore to London Heathrow Airport?

    Departing from Baltimore to London Heathrow Airport will take you 7h 20m. The distance between Baltimore and London Heathrow Airport is about 3622 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Baltimore to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Baltimore to London Heathrow Airport round-trip from $462. Other airlines that can offer you cheap pricing are Virgin Atlantic, from $471, and Icelandair, from $475. Users have found that United Airlines is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Baltimore to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Baltimore to London Heathrow Airport are Icelandair ($211), British Airways ($357), and Iberia ($360).

  • What are the most reliable airlines from Baltimore to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Baltimore to London Heathrow Airport consider choosing American Airlines (71%), Aer Lingus (71%) or Finnair (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Baltimore to London Heathrow Airport?

    The cheapest flight price from Baltimore to London Heathrow Airport is $361. On average you can expect to pay $1,396. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for $698.

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

    Yes. In addition to deals on Baltimore to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Heathrow.

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

    Yes. Cheapflights offers flight deals from Baltimore to Heathrow 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 London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of $642). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of $1,128). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Dorking
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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.

Top 8 airlines flying from Baltimore to Heathrow

Discover the top 8 airlines that operate flights from Baltimore to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$462Average$886FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$471Average$709FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$475Average$639FlexibilityNo cancel feeOn-time76%
IberiaCheapest$573Average$888FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$587Average$836FlexibilityNo cancel feeOn-time70%
DeltaCheapest$598Average$880FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$599Average$778FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$602Average$874FlexibilityNo cancel feeOn-time71%

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