$291+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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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”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or February, booked 24 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Baltimore to Heathrow
Cheapest
Best
Last-minute
One-way
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 August 23, 2026.
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 August 23, 2026.
This BYOjet deal was found by Cheapflights users on 8/18. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:30 pm -
1 stop10h 25m
Fri 10/3012:15 pm -
1 stop11h 25m
Deal found 8/18![Icelandair logo]()
$666
This Justfly.com deal was found by Cheapflights users on 8/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:40 pm -
1 stop10h 10m
Thu 11/512:15 pm -
1 stop11h 25m
Deal found 8/18![Icelandair logo]()
$669
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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.
Sun 9/208:30 pm -
1 stop10h 25m
Tue 9/291:05 pm -
1 stop11h 20m
Deal found 8/23![Icelandair logo]()
$672
This deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:55 pm -
Nonstop7h 10m
Tue 12/151:50 pm -
Nonstop8h 15m
Deal found 8/18![British Airways logo]()
$673
This Cheapflightsfares deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:40 pm -
1 stop18h 50m
Wed 12/2312:15 pm -
1 stop11h 25m
Deal found 8/22![Icelandair logo]()
$675
This deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:30 pm -
1 stop10h 25m
Thu 9/241:05 pm -
1 stop11h 20m
Deal found 8/20![Icelandair logo]()
$677
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:30 pm -
1 stop10h 25m
Wed 9/309:25 pm -
1 stop27h 00m
Deal found 8/19![Icelandair logo]()
$678
This oojo deal was found by Cheapflights users on 8/21. 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.
Fri 12/117:40 pm -
1 stop18h 50m
Wed 1/68:35 pm -
1 stop27h 05m
Deal found 8/21![Icelandair logo]()
$681
This oojo deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:40 pm -
1 stop18h 50m
Tue 12/228:35 pm -
1 stop27h 05m
Deal found 8/22![Icelandair logo]()
$682
Best flights from Baltimore to HeathrowDiscover 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 August 23, 2026.
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 August 23, 2026.
This Icelandair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:30 pm -
1 stop10h 25m
Wed 11/412:15 pm -
1 stop11h 25m
Deal found 8/22![Icelandair logo]()
$866
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:29 pm -
1 stop13h 26m
Wed 10/2110:50 am -
2 stops28h 40m
Deal found 8/20![United Airlines logo]()
$867
This Virgin Atlantic deal was found by Cheapflights users on 8/18. 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.
Wed 9/232:03 pm -
1 stop18h 12m
Thu 10/111:30 am -
2 stops16h 31m
Deal found 8/18![Virgin Atlantic logo]()
$874
This British Airways deal was found by Cheapflights users on 8/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:30 pm -
Nonstop7h 20m
Tue 10/204:25 pm -
Nonstop8h 15m
Deal found 8/21![British Airways logo]()
$941
This Icelandair deal was found by Cheapflights users on 8/21. 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.
Fri 10/96:00 pm -
2 stops12h 55m
Mon 10/129:25 pm -
1 stop29h 50m
Deal found 8/21![Multiple Airlines logo]()
$1,024
This Virgin Atlantic deal was found by Cheapflights users on 8/18. 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.
Mon 9/219:45 am -
1 stop16h 25m
Tue 9/291:25 pm -
1 stop13h 00m
Deal found 8/18![Virgin Atlantic logo]()
$896
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:09 am -
1 stop20h 51m
Mon 11/1611:05 am -
2 stops39h 37m
Deal found 8/22![United Airlines logo]()
$911
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 10/69:09 am -
2 stops40h 21m
Mon 10/1910:50 am -
2 stops17h 09m
Deal found 8/18![United Airlines logo]()
$920
This Virgin Atlantic deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:30 pm -
2 stops13h 45m
Wed 9/309:55 am -
2 stops16h 30m
Deal found 8/20![Virgin Atlantic logo]()
$924
This Icelandair deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:35 pm -
2 stops13h 20m
Tue 9/291:05 pm -
1 stop11h 20m
Deal found 8/19![Multiple Airlines logo]()
$1,032
This Icelandair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:30 pm -
1 stop10h 25m
Fri 9/259:25 pm -
1 stop27h 00m
Deal found 8/22![Icelandair logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:15 am -
2 stops17h 55m
Fri 12/186:00 pm -
2 stops35h 48m
Deal found 8/20![United Airlines logo]()
$935
Last-minute flights from Baltimore to HeathrowDiscover last-minute flight deals from Baltimore to Heathrow. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Heathrow. Data last updated August 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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.
Sun 9/208:30 pm -
1 stop10h 25m
Tue 9/291:05 pm -
1 stop11h 20m
Deal found 8/23![Icelandair logo]()
$672
This deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:30 pm -
1 stop10h 25m
Thu 9/241:05 pm -
1 stop11h 20m
Deal found 8/20![Icelandair logo]()
$677
This BYOjet deal was found by Cheapflights users on 8/18. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:30 pm -
1 stop10h 25m
Fri 10/3012:15 pm -
1 stop11h 25m
Deal found 8/18![Icelandair logo]()
$666
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:30 pm -
1 stop10h 25m
Wed 9/309:25 pm -
1 stop27h 00m
Deal found 8/19![Icelandair logo]()
$678
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:30 pm -
1 stop10h 25m
Fri 1/812:15 pm -
1 stop11h 25m
Deal found 8/20![Icelandair logo]()
$694
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:30 pm -
1 stop10h 25m
Wed 1/68:35 pm -
1 stop27h 05m
Deal found 8/20![Icelandair logo]()
$696
This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:30 pm -
1 stop10h 25m
Sun 10/258:35 pm -
1 stop27h 05m
Deal found 8/18![Icelandair logo]()
$685
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:30 pm -
1 stop18h 50m
Wed 10/79:25 pm -
1 stop27h 00m
Deal found 8/20![Icelandair logo]()
$692
This Icelandair deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:30 pm -
1 stop18h 50m
Thu 10/89:25 pm -
1 stop27h 00m
Deal found 8/20![Icelandair logo]()
$693
One-way flights from Baltimore to HeathrowSearch for one-way flight options from Baltimore to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Baltimore to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 10/178:30 pm -
1 stop10h 25m
Deal found 8/18![Icelandair logo]()
$291
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Tue 10/138:30 pm -
1 stop18h 50m
Deal found 8/18![Icelandair logo]()
$292
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Thu 10/1511:20 pm -
1 stop16h 00m
Deal found 8/18![Icelandair logo]()
$293
This Mytrip deal was found by Cheapflights users on 8/21. 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.
Tue 10/208:30 pm -
1 stop10h 25m
Deal found 8/21![Icelandair logo]()
$295
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:20 pm -
1 stop16h 00m
Deal found 8/19![Icelandair logo]()
$296
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:40 pm -
1 stop10h 10m
Deal found 8/18![Icelandair logo]()
$297
This oojo deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:30 pm -
1 stop10h 25m
Deal found 8/19![Icelandair logo]()
$302
Find flight deals from Baltimore to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $666 (BYOjet) |
One-way from | $291 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $940 |
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 7,457,451 searches. Data last updated August 23, 2026.
Use the filters below to find and compare flights from Baltimore to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Fri 10/16
8:30 pm-11:55 am
1 stop10h 25m
London Heathrow
Wed 11/4
12:15 pm-6:40 pm
1 stop11h 25m
$866
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Wed 10/7
5:29 pm-11:55 am
1 stop13h 26m
London Heathrow
Wed 10/21
10:50 am-10:30 am
2 stops28h 40m
$867
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Wed 9/23
2:03 pm-1:15 pm
1 stop18h 12m
London Heathrow
Thu 10/1
11:30 am-11:01 pm
2 stops16h 31m
$874
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Mon 9/21
9:45 am-7:10 am
1 stop16h 25m
London Heathrow
Tue 9/29
1:25 pm-9:25 pm
1 stop13h 00m
$896
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Wed 11/11
10:09 am-12:00 pm
1 stop20h 51m
London Heathrow
Mon 11/16
11:05 am-9:42 pm
2 stops39h 37m
$911
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Tue 10/6
9:09 am-6:30 am
2 stops40h 21m
London Heathrow
Mon 10/19
10:50 am-10:59 pm
2 stops17h 09m
$920
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Thu 9/24
12:30 pm-7:15 am
2 stops13h 45m
London Heathrow
Wed 9/30
9:55 am-9:25 pm
2 stops16h 30m
$924
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Fri 12/11
8:15 am-7:10 am
2 stops17h 55m
London Heathrow
Fri 12/18
6:00 pm-12:48 am
2 stops35h 48m
$935
Quickest round-trip
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Thu 10/15
9:30 pm-9:50 am
Nonstop7h 20m
London Heathrow
Tue 10/20
4:25 pm-7:40 pm
Nonstop8h 15m
$941
BaltimoreLondon
BWI Baltimore/Washington - LHR London Heathrow
BWILHR
Baltimore/Washington
Fri 10/9
6:00 pm-11:55 am
2 stops12h 55m
London Heathrow
Mon 10/12
9:25 pm-10:15 pm
1 stop29h 50m
$1,024
Showing 1-10 of 24 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
BWI-LHR
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
More
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 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Baltimore to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of $644). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of $1,201). 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 August 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to London Heathrow Airport as you normally would.
What’s the top layover airport for flights from Baltimore to London Heathrow Airport?
Share of 1-stop round-trip flights from Baltimore to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 63% of 1-stop itineraries from Baltimore to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Baltimore to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Baltimore to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $630.
What’s the fastest layover option from Baltimore to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Baltimore to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 22m.
Which airport typically offers the quickest layover for flights from Baltimore to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from Baltimore to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 25m.
The best insider tips for Baltimore to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to London Heathrow Airport trip
Our travel experts
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 August 23, 2026.
Read reviews from past customers who have flown Finnair,American Airlines, andIberia 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.
Comfort
7.5
Crew
8.2
Entertainment
6.9
Boarding
7.7
Food
6.7
Overall
7.6
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.5
Crew
8.2
Entertainment
6.9
Boarding
7.7
Food
6.7
Overall
7.6
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.5
Crew
8.2
Entertainment
6.9
Boarding
7.7
Food
6.7
Overall
7.6
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.5
Crew
8.2
Entertainment
6.9
Boarding
7.7
Food
6.7
Overall
7.6
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.5
Crew
8.2
Entertainment
6.9
Boarding
7.7
Food
6.7
Overall
7.6
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.5
Crew
8.2
Entertainment
6.9
Boarding
7.7
Food
6.7
Overall
7.6
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
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Top 7 airlines flying from Baltimore to Heathrow
Discover the top 7 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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$462 | Average$886 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$479 | Average$695 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$594 | Average$926 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$599 | Average$827 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$624 | Average$929 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$629 | Average$880 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$650 | Average$939 | FlexibilityNo cancel fee | On-time77% |