What’s the top layover airport for flights from Baltimore to London Heathrow Airport?

Reykjavik (KEF) – chosen by Cheapflights users on 97% of 1-stop itineraries from Baltimore to London Heathrow Airport on Cheapflights.

Which airport typically offers the quickest layover for flights from Baltimore to London Heathrow Airport?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 31m.

What’s the fastest layover option from Baltimore to London Heathrow Airport?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 39m.

What’s the cheapest layover airport for flights from Baltimore to London Heathrow Airport?

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $529.

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

Departing from Baltimore to London Heathrow Airport will take you 14h 31m. 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 $423. Other airlines that can offer you cheap pricing are Icelandair, from $475, and United Airlines, from $506. Users have found that PLAY is 45% cheaper than the other options available to this destination.

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

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.

Weekly flight availability from Baltimore to London Heathrow Airport

The most flights from BWI to LHR are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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.

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).

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

The cheapest flight price from Baltimore to London Heathrow Airport is $384. On average you can expect to pay $1,205. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for $522.

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 (75%), Aer Lingus (75%) or Finnair (75%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Baltimore to London Heathrow Airport?

American Airlines, Finnair and British Airways are the most popular airlines when flying from Baltimore to London Heathrow Airport.

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.

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 11 different airlines.

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.

$238+ Cheap Flights from Baltimore to London Heathrow Airport

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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 March, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Baltimore to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$545 (CrystalTravel)
One-way from	$238 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$736

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. 14% potential increase in price ($128 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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 October 2, 2025.

Wed 12/37:40 pmBWI - LHR

1 stop18h 50mIcelandair

Wed 12/1012:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 10/2

$546

Sun 12/77:40 pmBWI - LHR

1 stop10h 10mIcelandair

Sat 12/1312:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 10/1

$547

Wed 12/107:40 pmBWI - LHR

1 stop10h 10mIcelandair

Fri 1/308:35 pmLHR - BWI

1 stop27h 05mIcelandair

Deal found 10/1

$548

Mon 12/297:40 pmBWI - LHR

1 stop18h 50mIcelandair

Sun 1/1112:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 9/30

$550

Sat 12/67:40 pmBWI - LHR

1 stop10h 10mIcelandair

Sun 12/1412:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 9/29

$553

Thu 12/47:40 pmBWI - LHR

1 stop18h 50mIcelandair

Mon 12/88:35 pmLHR - BWI

1 stop27h 05mIcelandair

Deal found 9/30

$554

Fri 11/149:05 amBWI - LHR

2 stops19h 15mScandinavian Airlines

Fri 11/216:40 amLHR - BWI

2 stops20h 32mScandinavian Airlines

Deal found 9/29

$563

Tue 10/219:00 amBWI - LHR

2 stops27h 40mScandinavian Airlines

Tue 10/286:40 amLHR - BWI

2 stops22h 01mScandinavian Airlines

Deal found 10/2

$564

Tue 11/189:05 amBWI - LHR

2 stops28h 25mScandinavian Airlines

Sat 11/226:40 amLHR - BWI

2 stops22h 46mScandinavian Airlines

Deal found 10/1

$565

Sat 10/251:00 pmBWI - LHR

2 stops25h 30mScandinavian Airlines

Tue 11/46:40 amLHR - BWI

2 stops19h 51mScandinavian Airlines

Deal found 9/30

$566

Tue 12/27:40 pmBWI - LHR

1 stop18h 50mIcelandair

Wed 12/1712:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 9/30

$567

Sun 11/169:05 amBWI - LHR

2 stops31h 35mScandinavian Airlines

Thu 12/46:40 amLHR - BWI

2 stops20h 28mScandinavian Airlines

Deal found 9/30

$568

Best flights from Baltimore to Heathrow
Discover carefully curated flight deals from Baltimore to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2025.

Wed 11/56:15 amBWI - LHR

2 stops19h 55mUnited Airlines

Wed 11/129:00 amLHR - BWI

2 stops29h 59mUnited Airlines

Deal found 10/1

$622

Wed 12/1012:19 pmBWI - LHR

2 stops14h 31mVirgin Atlantic

Fri 1/3011:45 amLHR - BWI

2 stops16h 14mVirgin Atlantic

Deal found 10/1

$627

Tue 10/284:44 pmBWI - LHR

2 stops19h 16mScandinavian Airlines

Mon 11/36:40 amLHR - BWI

2 stops19h 51mScandinavian Airlines

Deal found 9/30

$632

Wed 11/268:35 pmBWI - LHR

Nonstop7h 05mBritish Airways

Fri 12/53:25 pmLHR - BWI

Nonstop8h 20mBritish Airways

Deal found 9/30

$635

Sun 10/1912:19 pmBWI - LHR

1 stop15h 36mDelta

Tue 10/281:05 pmLHR - BWI

1 stop12h 26mDelta

Deal found 10/1

$643

Mon 11/35:12 pmBWI - LHR

2 stops32h 58mUnited Airlines

Mon 11/1012:05 pmLHR - BWI

2 stops50h 54mUnited Airlines

Deal found 10/1

$622

Sun 10/1912:19 pmBWI - LHR

1 stop15h 36mVirgin Atlantic

Tue 10/2811:30 amLHR - BWI

2 stops15h 32mVirgin Atlantic

Deal found 10/1

$628

Sat 10/251:00 pmBWI - LHR

2 stops16h 20mScandinavian Airlines

Thu 10/306:40 amLHR - BWI

2 stops22h 01mScandinavian Airlines

Deal found 10/2

$633

Wed 11/261:51 pmBWI - LHR

1 stop11h 34mVirgin Atlantic

Fri 12/511:30 amLHR - BWI

2 stops16h 33mVirgin Atlantic

Deal found 9/29

$628

Tue 12/210:20 amBWI - LHR

2 stops15h 50mUnited Airlines

Mon 12/81:50 pmLHR - BWI

2 stops36h 29mUnited Airlines

Deal found 10/1

$630

Sat 11/84:44 pmBWI - LHR

2 stops19h 56mScandinavian Airlines

Wed 11/266:40 pmLHR - BWI

2 stops34h 46mScandinavian Airlines

Deal found 10/2

$645

Last-minute flights from Baltimore to Heathrow
Discover last-minute flight deals from Baltimore to Heathrow. Data last updated October 2, 2025 and is based on user searches.

Tue 10/219:00 amBWI - LHR

2 stops27h 40mScandinavian Airlines

Tue 10/286:40 amLHR - BWI

2 stops22h 01mScandinavian Airlines

Deal found 10/2

$564

Sat 10/251:00 pmBWI - LHR

2 stops25h 30mScandinavian Airlines

Tue 11/46:40 amLHR - BWI

2 stops19h 51mScandinavian Airlines

Deal found 9/30

$566

Mon 10/278:40 pmBWI - LHR

1 stop18h 50mIcelandair

Fri 10/3112:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 10/1

$595

Mon 11/39:00 amBWI - LHR

2 stops28h 30mScandinavian Airlines

Mon 11/106:40 amLHR - BWI

2 stops22h 46mScandinavian Airlines

Deal found 10/2

$592

Thu 11/139:05 amBWI - LHR

2 stops27h 35mScandinavian Airlines

Sat 11/225:00 pmLHR - BWI

2 stops36h 26mScandinavian Airlines

Deal found 9/30

$580

Fri 11/149:05 amBWI - LHR

2 stops19h 15mScandinavian Airlines

Fri 11/216:40 amLHR - BWI

2 stops20h 32mScandinavian Airlines

Deal found 9/29

$563

Sun 11/169:05 amBWI - LHR

2 stops31h 35mScandinavian Airlines

Thu 12/46:40 amLHR - BWI

2 stops20h 28mScandinavian Airlines

Deal found 9/30

$568

Tue 11/189:05 amBWI - LHR

2 stops28h 25mScandinavian Airlines

Sat 11/226:40 amLHR - BWI

2 stops22h 46mScandinavian Airlines

Deal found 10/1

$565

Tue 11/189:05 amBWI - LHR

2 stops25h 55mScandinavian Airlines

Thu 11/276:40 amLHR - BWI

2 stops22h 46mScandinavian Airlines

Deal found 9/30

$577

Tue 11/257:40 pmBWI - LHR

1 stop10h 10mIcelandair

Wed 12/312:15 pmLHR - BWI

1 stop11h 25mIcelandair

Deal found 10/1

$597

One-way flights from Baltimore to Heathrow
Search for one-way flight options from Baltimore to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 2, 2025.

Sun 10/1912:20 pmBWI - LHR

2 stops28h 40mMultiple Airlines

Deal found 10/1

$238

Mon 10/205:01 pmBWI - LHR

2 stops36h 19mMultiple Airlines

Deal found 9/30

$245

Tue 10/215:35 amBWI - LHR

2 stops31h 10mMultiple Airlines

Deal found 9/29

$246

Wed 10/225:20 pmBWI - LHR

3 stops38h 25mMultiple Airlines

Deal found 9/30

$264

Thu 10/236:05 amBWI - LHR

3 stops23h 55mMultiple Airlines

Deal found 10/2

$272

Wed 10/88:45 amBWI - LHR

3 stops32h 15mMultiple Airlines

Deal found 9/30

$277

Fri 10/175:01 pmBWI - LHR

2 stops19h 44mMultiple Airlines

Deal found 10/1

$278

Cheapflights Fare Finder

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

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 11/5

6:15 am-7:10 am

2 stops19h 55m

London Heathrow

Wed 11/12

9:00 am-9:59 am

2 stops29h 59m

$622

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 11/3

5:12 pm-7:10 am

2 stops32h 58m

London Heathrow

Mon 11/10

12:05 pm-9:59 am

2 stops50h 54m

$622

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 12/10

12:19 pm-7:50 am

2 stops14h 31m

London Heathrow

Fri 1/30

11:45 am-10:59 pm

2 stops16h 14m

$627

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 10/19

12:19 pm-8:55 am

1 stop15h 36m

London Heathrow

Tue 10/28

11:30 am-11:02 pm

2 stops15h 32m

$628

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 11/26

1:51 pm-6:25 am

1 stop11h 34m

London Heathrow

Fri 12/5

11:30 am-11:03 pm

2 stops16h 33m

$628

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 12/2

10:20 am-7:10 am

2 stops15h 50m

London Heathrow

Mon 12/8

1:50 pm-9:19 pm

2 stops36h 29m

$630

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 10/28

4:44 pm-4:00 pm

2 stops19h 16m

London Heathrow

Mon 11/3

6:40 am-9:31 pm

2 stops19h 51m

$632

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sat 10/25

1:00 pm-10:20 am

2 stops16h 20m

London Heathrow

Thu 10/30

6:40 am-12:41 am

2 stops22h 01m

$633

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 11/26

8:35 pm-8:40 am

Nonstop7h 05m

London Heathrow

Fri 12/5

3:25 pm-6:45 pm

Nonstop8h 20m

$635

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 10/19

12:19 pm-8:55 am

1 stop15h 36m

London Heathrow

Tue 10/28

1:05 pm-9:31 pm

1 stop12h 26m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 22 results

Compare providers for flights from Baltimore to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Heathrow in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy2 stars	Trust Score*2 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*1 star
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Gurufare	Price Accuracy3 stars	Trust Score*3 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price 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

Prices

Airlines

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 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 $1,096). 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?

It’s typically best to fly out from Baltimore to London Heathrow Airport in the morning. Doing so could potentially save you 6% on the flight price compared to flying in the evening, which is usually more expensive.

The best insider tips for Baltimore to London Heathrow Airport flights

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.

LHR

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

Our travel experts

Emily Zemler

Expert on BWI

Ramsey Qubein

Expert on LHR

Reviews of airlines servicing Heathrow

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.

Delta

8.0

Very good

7,962 reviews

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

7,962 reviews

Delta

8.0

Very good

7,962 reviews

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

11,033 reviews

Delta

8.0

Very good

7,962 reviews

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

546 reviews

Delta

8.0

Very good

7,962 reviews

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!

Iberia

7.0

Good

2,969 reviews

Delta

8.0

Very good

7,962 reviews

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!

British Airways

6.7

Okay

7,416 reviews

Delta

8.0

Very good

7,962 reviews

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

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 11 different airlines.
How long is the flight from Baltimore to London Heathrow Airport?
Departing from Baltimore to London Heathrow Airport will take you 14h 31m. 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 $423. Other airlines that can offer you cheap pricing are Icelandair, from $475, 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 American Airlines (75%), Aer Lingus (75%) or Finnair (75%) 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 $384. On average you can expect to pay $1,205. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for $522.
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 $1,096). 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.

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Top 10 airlines flying from Baltimore to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$423	Average$486	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$475	Average$579	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$506	Average$905	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$520	Average$654	FlexibilityNo cancel fee	On-time75%
Virgin Atlantic	Cheapest$520	Average$792	FlexibilityNo cancel fee	On-time72%
Aer Lingus	Cheapest$554	Average$952	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$584	Average$768	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$599	Average$758	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$609	Average$877	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$633	Average$831	FlexibilityNo cancel fee	On-time70%

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$238+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or March, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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Find flight deals from Baltimore to Heathrow

Cheapest flights from Baltimore to HeathrowExplore 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 October 2, 2025.

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 October 2, 2025.

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

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 October.

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.

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?

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

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Weekly flight availability from Baltimore to London Heathrow Airport

What’s the top layover airport for flights from Baltimore to London Heathrow Airport?

What’s the fastest layover option from Baltimore to London Heathrow Airport?

What’s the fastest layover option from Baltimore to London Heathrow Airport?

Which airport typically offers the quickest layover for flights from Baltimore to London Heathrow Airport?

The best insider tips for Baltimore to London Heathrow Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to London Heathrow Airport trip

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Reviews of airlines servicing Heathrow

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.

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?

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

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

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

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

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Alternative routes for Baltimore to Heathrow

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Top 10 airlines flying from Baltimore to Heathrow

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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 October 2, 2025.