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$211+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
jul. 23 — jul. 301
mié. 7/23
mié. 7/30
1 adult, Economy
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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 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 julio 18, 2025.

Round-trip from

$585
(Virgin Atlantic)

One-way from

$227
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$884
From Baltimore/Washington to London Heathrow
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One-way flight from Baltimore/Washington to London Heathrow
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Highest demand for flights based on searches. 14% potential increase in price ($133 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 18, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 7/17. 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.
mar. 8/2612:17 pmBWI - LHR
2 stops13h 58mVirgin Atlantic
dom. 8/3110:55 amLHR - BWI
2 stops17h 22mVirgin Atlantic
Deal found 7/17$585
This United Airlines deal was found by Cheapflights users on 7/17. 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.
vie. 9/196:40 pmBWI - LHR
1 stop30h 40mUnited Airlines
vie. 10/38:30 amLHR - BWI
1 stop17h 52mUnited Airlines
Deal found 7/17$586
This Expedia deal was found by Cheapflights users on 7/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/257:52 pmBWI - LHR
1 stop29h 53mMultiple Airlines
lun. 9/87:45 pmLHR - BWI
2 stops26h 35mMultiple Airlines
Deal found 7/17$589
This KLM deal was found by Cheapflights users on 7/17. 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.
mar. 12/96:10 pmBWI - LHR
1 stop12h 30mKLM
jue. 12/1812:10 pmLHR - BWI
1 stop16h 37mKLM
Deal found 7/17$590
This FlightHub deal was found by Cheapflights users on 7/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:30 pmBWI - LHR
1 stop19h 00mIcelandair
dom. 11/98:35 pmLHR - BWI
1 stop26h 55mIcelandair
Deal found 7/16$599
This Delta deal was found by Cheapflights users on 7/15. 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.
jue. 7/316:15 amBWI - LHR
1 stop19h 30mDelta
mié. 8/139:40 amLHR - BWI
1 stop18h 08mDelta
Deal found 7/15$604
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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.
mié. 10/159:20 pmBWI - LHR
Nonstop7h 30mBritish Airways
mar. 10/214:35 pmLHR - BWI
Nonstop8h 10mBritish Airways
Deal found 7/17$610
This American Airlines deal was found by Cheapflights users on 7/17. 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.
dom. 8/105:38 pmBWI - LHR
1 stop10h 27mAmerican Airlines
mar. 8/264:35 pmLHR - BWI
Nonstop8h 00mAmerican Airlines
Deal found 7/17$640

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 julio 18, 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

mar. 8/26

12:17 pm-7:15 am

2 stops13h 58m

London Heathrow

dom. 8/31

10:55 am-11:17 pm

2 stops17h 22m

$585

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 9/19

6:40 pm-6:20 am

1 stop30h 40m

London Heathrow

vie. 10/3

8:30 am-9:22 pm

1 stop17h 52m

$586

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 7/25

11:51 am-12:15 pm

2 stops19h 24m

London Heathrow

lun. 9/8

7:45 pm-5:20 pm

2 stops26h 35m

$589

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

mar. 9/30

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

dom. 10/5

9:25 pm-7:25 pm

1 stop27h 00m

$599

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

jue. 7/31

9:00 am-6:45 am

1 stop16h 45m

London Heathrow

jue. 8/7

9:40 am-10:04 pm

1 stop17h 24m

$604

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

mié. 10/15

9:20 pm-9:50 am

Nonstop7h 30m

London Heathrow

mar. 10/21

4:35 pm-7:45 pm

Nonstop8h 10m

$610

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 7/25

7:52 pm-1:30 pm

1 stop12h 38m

London Heathrow

mar. 8/12

9:40 am-4:52 pm

1 stop12h 12m

$616

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

dom. 8/10

5:38 pm-9:05 am

1 stop10h 27m

London Heathrow

mar. 8/26

4:35 pm-7:35 pm

Nonstop8h 00m

$640

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

lun. 10/13

8:30 pm-8:20 pm

1 stop18h 50m

$211

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

mar. 8/5

7:10 am-11:55 am

2 stops23h 45m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

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 July 11, 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 $1,095). 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 julio 18, 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 afternoon, which is usually more expensive.

Weekly flight availability from Baltimore to London Heathrow Airport

Explore weekly flight availability from Baltimore to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 18, 2025.

The most flights from BWI to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 julio 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Virgin Atlantic 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.
Delta
8.0
Very good
7,958 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Delta
8.0
Very good
7,958 reviews
Delta
8.0
Very good
7,958 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
United Airlines
7.4
Good
8,864 reviews
Delta
8.0
Very good
7,958 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,958 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,958 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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!
Icelandair
7.0
Good
518 reviews
Delta
8.0
Very good
7,958 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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 8 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 $585. Other airlines that can offer you cheap pricing are United Airlines, from $586, and Icelandair, from $599. Users have found that Virgin Atlantic is 24% 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 American Airlines (53%), Aer Lingus (52%) or British Airways (52%) 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 $359. On average you can expect to pay $2,096. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for $514.

  • 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 $1,095). 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
Harrow
Canterbury
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Broadway
Aylesbury
Chelmsford
Folkestone
Chichester
Southend-on-Sea
Swindon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Southend flights

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 julio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$411Average$486FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$576FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$562Average$829FlexibilityNo cancel feeOn-time72%
IberiaCheapest$582Average$760FlexibilityNo cancel feeOn-time77%
FinnairCheapest$585Average$734FlexibilityNo cancel feeOn-time76%
DeltaCheapest$598Average$879FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$628Average$832FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$633Average$846FlexibilityNo cancel feeOn-time71%

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