Heathrow

$230+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Mar 30 — Apr 61
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Find cheap flights from Baltimore to Heathrow with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
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Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or October, booked 37 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$516
(Mytrip)

One-way from

$230
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$691
Provider with most accurate pricing for Baltimore/Washington-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-London Heathrow flights.
From Baltimore/Washington to London Heathrow
One-way flight from Baltimore/Washington to London Heathrow
Highest demand for flights based on searches. 17% potential increase in price ($161 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find 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 March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:50 pmBWI - LHR
2 stops12h 50mMultiple Airlines
Thu 5/87:40 amLHR - BWI
2 stops15h 00mMultiple Airlines
Deal found 3/24$516
This Gotogate deal was found by Cheapflights users on 3/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:30 pmBWI - LHR
1 stop18h 50mIcelandair
Wed 5/79:25 pmLHR - BWI
1 stop27h 00mIcelandair
Deal found 3/23$543
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:20 pmBWI - LHR
Nonstop7h 15mIberia
Wed 5/74:35 pmLHR - BWI
Nonstop8h 00mIberia
Deal found 3/23$589
This oojo deal was found by Cheapflights users on 3/24. 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 4/155:55 pmBWI - LHR
1 stop10h 10mBritish Airways
Thu 5/14:35 pmLHR - BWI
Nonstop8h 00mBritish Airways
Deal found 3/24$622
This Finnair deal was found by Cheapflights users on 3/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/79:20 pmBWI - LHR
Nonstop7h 15mFinnair
Tue 4/154:35 pmLHR - BWI
Nonstop8h 00mFinnair
Deal found 3/24$627
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:15 amBWI - LHR
1 stop19h 05mUnited Airlines
Mon 4/288:40 amLHR - BWI
2 stops42h 02mUnited Airlines
Deal found 3/24$635
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/75:55 pmBWI - LHR
1 stop10h 10mAmerican Airlines
Tue 4/154:35 pmLHR - BWI
Nonstop8h 00mAmerican Airlines
Deal found 3/24$641
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:50 pmBWI - LHR
1 stop13h 40mDelta
Wed 4/306:15 amLHR - BWI
2 stops17h 35mDelta
Deal found 3/24$645
This Virgin Atlantic deal was found by Cheapflights users on 3/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:47 pmBWI - LHR
1 stop15h 08mVirgin Atlantic
Fri 5/911:30 amLHR - BWI
2 stops16h 50mVirgin Atlantic
Deal found 3/24$646
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/202:29 pmBWI - LHR
1 stop11h 16mKLM
Thu 5/299:40 amLHR - BWI
1 stop14h 27mKLM
Deal found 3/24$704

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 March 25, 2025.
Use the filters below to find and compare flights from Baltimore to London Heathrow Airport that are best for you.

Fly from

Baltimore

Fly to

Heathrow

Route

Depart

Return

Price

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 5/4

6:50 pm-12:40 pm

2 stops12h 50m

London Heathrow

Thu 5/8

7:40 am-5:40 pm

2 stops15h 00m

$516

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 4/29

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Wed 5/7

9:25 pm-7:25 pm

1 stop27h 00m

$543

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 4/29

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Wed 5/7

4:35 pm-7:35 pm

Nonstop8h 00m

$589

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 4/15

5:55 pm-9:05 am

1 stop10h 10m

London Heathrow

Thu 5/1

4:35 pm-7:35 pm

Nonstop8h 00m

$622

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 4/7

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Tue 4/15

4:35 pm-7:35 pm

Nonstop8h 00m

$627

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 4/21

6:15 am-6:20 am

1 stop19h 05m

London Heathrow

Mon 4/28

8:40 am-9:42 pm

2 stops42h 02m

$635

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 4/7

5:55 pm-9:05 am

1 stop10h 10m

London Heathrow

Tue 4/15

4:35 pm-7:35 pm

Nonstop8h 00m

$641

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 4/23

6:50 pm-1:30 pm

1 stop13h 40m

London Heathrow

Wed 4/30

6:15 am-6:50 pm

2 stops17h 35m

$645

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 4/29

12:47 pm-8:55 am

1 stop15h 08m

London Heathrow

Fri 5/9

11:30 am-11:20 pm

2 stops16h 50m

$646

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 5/20

2:29 pm-6:45 am

1 stop11h 16m

London Heathrow

Wed 5/28

12:45 pm-11:58 pm

1 stop16h 13m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 22 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*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.

The best insider tips for Baltimore to London Heathrow Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to London Heathrow Airport trip
Airports
BWI

For long-term parking, BWI offers budget-friendly lots with shuttle service. Allow extra time for shuttle transfers when departing.

Read more about BWIby Emily Zemler
LHR

Take the Heathrow Express for the fastest trip to central London. It connects to Paddington Station for easy onward travel.

Read more about LHRby Ramsey Qubein
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

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

Ramsey Qubein

Ramsey Qubein

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Heathrow. Price data was last updated on March 21, 2025.

The best time to book flights from Baltimore to London Heathrow Airport is 37 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, November is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of $661). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 March 25, 2025.

It’s typically best to fly out from Baltimore to London Heathrow Airport in the morning. Doing so could potentially save you 7% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Baltimore to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Heathrow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Baltimore to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 25, 2025.
Read through reviews of airlines operating flights from Baltimore to London, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 3 flights from Baltimore/Washington to London Heathrow per day from 9 different airlines.

  • 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 $543. Other airlines that can offer you cheap pricing are Iberia, from $589, and British Airways, from $622. Users have found that Icelandair is 30% 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 ($240), Virgin Atlantic ($369), and British Airways ($374).

  • 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 (65%), Aer Lingus (65%) or Finnair (65%) 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 $403. On average you can expect to pay $1,968. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for $482.

  • 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, November is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of $661). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Northampton
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Baltimore to Heathrow

Discover the top 9 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$400Average$521FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$604FlexibilityNo cancel feeOn-time76%
DeltaCheapest$561Average$904FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$582Average$765FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$582Average$831FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$601Average$988FlexibilityNo cancel feeOn-time69%
FinnairCheapest$603Average$771FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$634Average$852FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$638Average$899FlexibilityNo cancel feeOn-time71%
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