Heathrow

$228+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
sep. 10 — sep. 171
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Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or November, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 septiembre 5, 2025.

Round-trip from

$522
(Icelandair)

One-way from

$228
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$704
From Baltimore/Washington to London Heathrow
One-way flight from Baltimore/Washington to London Heathrow
Highest demand for flights based on searches. 14% potential increase in price ($129 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in September 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 septiembre 5, 2025.

This Icelandair deal was found by Cheapflights users on 9/2. 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.
mié. 12/37:40 pmBWI - LHR
1 stop18h 50mIcelandair
sáb. 1/1012:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 9/2$522
This Icelandair deal was found by Cheapflights users on 9/4. 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.
lun. 11/107:40 pmBWI - LHR
1 stop10h 10mIcelandair
jue. 11/208:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/4$523
This Icelandair deal was found by Cheapflights users on 9/2. 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.
vie. 12/57:40 pmBWI - LHR
1 stop10h 10mIcelandair
jue. 1/88:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/2$524
This Flightnetwork deal was found by Cheapflights users on 9/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:40 pmBWI - LHR
1 stop10h 10mIcelandair
dom. 11/238:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/4$532
This Gotogate deal was found by Cheapflights users on 9/3. 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.
lun. 10/208:30 pmBWI - LHR
1 stop10h 25mIcelandair
lun. 11/38:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/3$534
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
vie. 10/248:30 pmBWI - LHR
1 stop10h 25mIcelandair
jue. 10/308:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/4$537
This Gotogate deal was found by Cheapflights users on 9/3. 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.
mié. 11/267:40 pmBWI - LHR
1 stop18h 50mIcelandair
mié. 12/312:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 9/3$538
This Gotogate deal was found by Cheapflights users on 9/2. 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.
jue. 11/67:40 pmBWI - LHR
1 stop10h 10mIcelandair
mar. 11/118:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/2$539
This Mytrip deal was found by Cheapflights users on 9/3. 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.
mar. 10/78:30 pmBWI - LHR
1 stop18h 50mIcelandair
mié. 10/151:05 pmLHR - BWI
1 stop11h 20mIcelandair
Deal found 9/3$541
This Mytrip deal was found by Cheapflights users on 9/3. 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.
lun. 10/208:30 pmBWI - LHR
1 stop10h 25mIcelandair
dom. 11/28:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 9/3$543
This oojo deal was found by Cheapflights users on 9/4. 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.
mié. 11/197:40 pmBWI - LHR
1 stop10h 10mIcelandair
mié. 12/312:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 9/4$544
This oojo deal was found by Cheapflights users on 9/4. 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.
jue. 12/47:40 pmBWI - LHR
1 stop10h 10mIcelandair
mié. 12/1012:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 9/4$545

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 septiembre 5, 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

sáb. 10/4

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

mié. 10/22

9:25 pm-7:25 pm

1 stop27h 00m

$523

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

jue. 1/29

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

mié. 2/18

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

mié. 2/4

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

sáb. 2/14

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 1/30

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

mié. 2/18

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

mar. 2/3

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

sáb. 2/14

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 1/30

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

sáb. 2/14

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 1/30

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

lun. 2/16

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

jue. 1/29

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

dom. 2/15

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 1/30

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

dom. 2/15

8:35 pm-6:40 pm

1 stop27h 05m

$524

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

jue. 1/29

7:40 pm-10:50 am

1 stop10h 10m

London Heathrow

sáb. 2/14

8:35 pm-6:40 pm

1 stop27h 05m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/2

Showing 1-10 of 21 results
1
2
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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 a stress-free departure, arrive 20-30 minutes early during busy hours (6-8 a.m., 3-7 p.m.) on weekdays.

Read more about BWIby Emily Zemler
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station.

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 August 29, 2025.

The best time to book flights from Baltimore to London Heathrow Airport is 50 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 $1,097). 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 septiembre 5, 2025.

It’s typically best to fly out from Baltimore to London Heathrow Airport in the morning. Doing so could potentially save you 5% on the flight price compared to flying in the evening, which is usually more expensive.

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

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 septiembre 5, 2025.
Read reviews from past customers who have flown Delta, American Airlines, and Icelandair 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.
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 5 flights from Baltimore/Washington to London Heathrow per day from 11 different airlines.

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

    Departing from Baltimore to London Heathrow Airport will take you 10h 25m. The distance between Baltimore and London Heathrow Airport is about 3622 mi.

  • 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 $423. Other airlines that can offer you cheap pricing are Icelandair, from $474, and United Airlines, from $506. Users have found that PLAY is 45% cheaper than the other options available to this destination.

  • 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 Iberia (64%), American Airlines (63%) or Aer Lingus (59%) 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 $383. On average you can expect to pay $1,217. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for $487.

  • 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 $1,097). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Stratford-upon-Avon
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Bedford

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 10 airlines flying from Baltimore to Heathrow

Discover the top 10 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 septiembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$423Average$486FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$574FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$506Average$795FlexibilityNo cancel feeOn-time69%
KLMCheapest$520Average$615FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$520Average$792FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$554Average$952FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$581Average$758FlexibilityNo cancel feeOn-time77%
FinnairCheapest$599Average$745FlexibilityNo cancel feeOn-time76%
DeltaCheapest$615Average$882FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$629Average$828FlexibilityNo cancel feeOn-time70%

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