$271+ 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
Aug 5 — Aug 121
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 35 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap flight deals from Baltimore to Heathrow
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Best
Last-minute
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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 July 6, 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 July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Thu 10/18:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Thu 10/81:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/5![Icelandair logo]()
$686
This Icelandair deal was found by Cheapflights users on 7/1. 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.
Sun 10/258:40 pm
BWI
- LHR
1 stop10h 10m
Icelandair
Thu 10/2912:15 pm
LHR
- BWI
1 stop11h 25m
Icelandair
Deal found 7/1![Icelandair logo]()
$687
This Icelandair deal was found by Cheapflights users on 7/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Sat 10/3112:15 pm
LHR
- BWI
1 stop11h 25m
Icelandair
Deal found 7/3![Icelandair logo]()
$688
This Icelandair deal was found by Cheapflights users on 7/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:30 pm
BWI
- LHR
1 stop18h 50m
Icelandair
Mon 10/129:25 pm
LHR
- BWI
1 stop29h 50m
Icelandair
Deal found 7/3![Icelandair logo]()
$689
This Icelandair deal was found by Cheapflights users on 7/4. 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.
Thu 10/18:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Sat 10/109:25 pm
LHR
- BWI
1 stop27h 00m
Icelandair
Deal found 7/4![Icelandair logo]()
$690
This Icelandair deal was found by Cheapflights users on 7/1. 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.
Thu 10/2211:20 pm
BWI
- LHR
1 stop31h 35m
Icelandair
Mon 11/28:35 pm
LHR
- BWI
1 stop27h 05m
Icelandair
Deal found 7/1![Icelandair logo]()
$691
This Gotogate deal was found by Cheapflights users on 7/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:30 pm
BWI
- LHR
1 stop18h 50m
Icelandair
Tue 9/291:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/4![Icelandair logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Tue 10/61:05 pm
LHR
- BWI
1 stop14h 10m
Icelandair
Deal found 7/2![Icelandair logo]()
$694
This Icelandair deal was found by Cheapflights users on 7/2. 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.
Mon 9/288:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Fri 10/21:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/2![Icelandair logo]()
$695
This Icelandair deal was found by Cheapflights users on 7/6. 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 9/238:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Sat 10/31:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/6![Icelandair logo]()
$696
This Icelandair deal was found by Cheapflights users on 7/6. 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.
Sat 9/268:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Wed 9/309:25 pm
LHR
- BWI
1 stop27h 00m
Icelandair
Deal found 7/6![Icelandair logo]()
$697
This Icelandair deal was found by Cheapflights users on 7/2. 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.
Thu 9/2411:20 pm
BWI
- LHR
1 stop31h 35m
Icelandair
Sun 10/49:25 pm
LHR
- BWI
1 stop27h 00m
Icelandair
Deal found 7/2![Icelandair logo]()
$698
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 July 6, 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 July 6, 2026.
This British Airways deal was found by Cheapflights users on 7/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:25 pm
BWI
- LHR
Nonstop7h 20m
British Airways
Thu 10/154:25 pm
LHR
- BWI
Nonstop8h 15m
British Airways
Deal found 7/4![British Airways logo]()
$878
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:18 pm
BWI
- LHR
1 stop16h 02m
Delta
Fri 8/286:30 am
LHR
- BWI
2 stops15h 19m
Delta
Deal found 7/5![Delta logo]()
$935
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/196:05 am
BWI
- LHR
2 stops18h 50m
United Airlines
Fri 8/2810:50 am
LHR
- BWI
2 stops17h 10m
United Airlines
Deal found 7/1![United Airlines logo]()
$939
This Virgin Atlantic deal was found by Cheapflights users on 7/4. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:18 pm
BWI
- LHR
1 stop11h 07m
Virgin Atlantic
Wed 8/1911:45 am
LHR
- BWI
2 stops14h 43m
Virgin Atlantic
Deal found 7/4![Virgin Atlantic logo]()
$971
This KLM deal was found by Cheapflights users on 7/1. 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.
Wed 8/122:18 pm
BWI
- LHR
1 stop11h 07m
KLM
Mon 8/174:05 pm
LHR
- BWI
1 stop11h 34m
KLM
Deal found 7/1![KLM logo]()
$1,055
This Icelandair deal was found by Cheapflights users on 7/4. 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.
Wed 8/265:35 pm
BWI
- LHR
2 stops13h 20m
Multiple Airlines
Tue 9/11:05 pm
LHR
- BWI
1 stop11h 20m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$1,068
This British Airways deal was found by Cheapflights users on 7/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:25 pm
BWI
- LHR
Nonstop7h 20m
British Airways
Wed 8/193:00 pm
LHR
- BWI
1 stop11h 52m
British Airways
Deal found 7/4![British Airways logo]()
$962
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 9/176:19 pm
BWI
- LHR
1 stop9h 56m
Delta
Tue 9/226:30 am
LHR
- BWI
2 stops15h 58m
Delta
Deal found 7/1![Delta logo]()
$984
This Virgin Atlantic deal was found by Cheapflights users on 7/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:03 pm
BWI
- LHR
1 stop11h 22m
Virgin Atlantic
Wed 9/239:55 am
LHR
- BWI
2 stops16h 35m
Virgin Atlantic
Deal found 7/2![Virgin Atlantic logo]()
$985
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sun 8/166:05 am
BWI
- LHR
1 stop19h 40m
United Airlines
Sun 8/2311:05 am
LHR
- BWI
1 stop15h 24m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,004
This British Airways deal was found by Cheapflights users on 7/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 pm
BWI
- LHR
Nonstop7h 20m
British Airways
Wed 9/23:00 pm
LHR
- BWI
1 stop11h 52m
British Airways
Deal found 7/4![British Airways logo]()
$962
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:25 am
BWI
- LHR
2 stops15h 45m
Delta
Mon 8/179:55 am
LHR
- BWI
2 stops17h 44m
Delta
Deal found 7/2![Delta logo]()
$1,081
Last-minute flights from Baltimore to HeathrowDiscover last-minute flight deals from Baltimore to Heathrow. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Heathrow. Data last updated July 6, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Sun 8/1611:20 pm
BWI
- LHR
3 stops30h 25m
Multiple Airlines
Tue 8/256:40 am
LHR
- BWI
2 stops17h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$695
This Gotogate deal was found by Cheapflights users on 7/3. 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.
Sun 8/1611:20 pm
BWI
- LHR
1 stop31h 35m
Icelandair
Tue 8/259:25 pm
LHR
- BWI
1 stop27h 00m
Icelandair
Deal found 7/3![Icelandair logo]()
$731
This Gotogate deal was found by Cheapflights users on 7/5. 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.
Mon 8/178:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Wed 9/21:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/5![Icelandair logo]()
$727
This Gotogate deal was found by Cheapflights users on 7/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Tue 8/251:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/4![Icelandair logo]()
$728
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 8/198:30 pm
BWI
- LHR
1 stop18h 50m
Icelandair
Wed 8/261:05 pm
LHR
- BWI
1 stop14h 10m
Icelandair
Deal found 7/1![Icelandair logo]()
$734
This oojo deal was found by Cheapflights users on 7/1. 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 8/238:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Fri 10/239:25 pm
LHR
- BWI
1 stop29h 50m
Icelandair
Deal found 7/1![Icelandair logo]()
$729
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Mon 8/248:30 pm
BWI
- LHR
2 stops14h 30m
Multiple Airlines
Tue 9/18:50 am
LHR
- BWI
2 stops15h 35m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$697
This Gotogate deal was found by Cheapflights users on 7/2. 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.
Mon 8/248:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Tue 9/11:05 pm
LHR
- BWI
1 stop11h 20m
Icelandair
Deal found 7/2![Icelandair logo]()
$723
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:30 pm
BWI
- LHR
2 stops15h 50m
Multiple Airlines
Thu 9/38:50 am
LHR
- BWI
2 stops15h 35m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$696
This Mytrip deal was found by Cheapflights users on 7/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:30 pm
BWI
- LHR
3 stops31h 30m
Multiple Airlines
Sun 8/306:40 am
LHR
- BWI
2 stops20h 35m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$709
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 July 6, 2026.
Search for one-way flight options from Baltimore to Heathrow. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sat 10/38:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Deal found 7/1![Icelandair logo]()
$271
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:30 pm
BWI
- LHR
1 stop18h 50m
Icelandair
Deal found 7/3![Icelandair logo]()
$272
This oojo deal was found by Cheapflights users on 7/6. 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 10/28:30 pm
BWI
- LHR
1 stop18h 50m
Icelandair
Deal found 7/6![Icelandair logo]()
$273
This Flightnetwork deal was found by Cheapflights users on 7/6. 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.
Tue 8/118:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Deal found 7/6![Icelandair logo]()
$276
This Mytrip deal was found by Cheapflights users on 7/5. 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.
Mon 9/148:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Deal found 7/5![Icelandair logo]()
$277
This Mytrip deal was found by Cheapflights users on 7/3. 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.
Tue 9/18:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Deal found 7/3![Icelandair logo]()
$278
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:30 pm
BWI
- LHR
1 stop10h 25m
Icelandair
Deal found 7/2![Icelandair logo]()
$279
This oojo deal was found by Cheapflights users on 7/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:30 pm
BWI
- LHR
1 stop18h 50m
Icelandair
Deal found 7/3![Icelandair logo]()
$280
This Mytrip deal was found by Cheapflights users on 7/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 pm
BWI
- LHR
1 stop31h 35m
Icelandair
Deal found 7/4![Icelandair logo]()
$282
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sat 8/111:20 pm
BWI
- LHR
1 stop31h 35m
Icelandair
Deal found 7/1![Icelandair logo]()
$283
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $686 (Kiwi.com) |
One-way from | $271 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $991 |
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 July 6, 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
Quickest round-trip
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Wed 9/23
7:25 pm-7:45 am
Nonstop7h 20m
London Heathrow
Thu 10/15
4:25 pm-7:40 pm
Nonstop8h 15m
$878
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Wed 8/19
2:18 pm-11:20 am
1 stop16h 02m
London Heathrow
Fri 8/28
6:30 am-4:49 pm
2 stops15h 19m
$935
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Wed 8/19
6:05 am-5:55 am
2 stops18h 50m
London Heathrow
Fri 8/28
10:50 am-11:00 pm
2 stops17h 10m
$939
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Wed 8/12
7:25 pm-7:45 am
Nonstop7h 20m
London Heathrow
Wed 8/19
3:00 pm-9:52 pm
1 stop11h 52m
$962
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Mon 8/17
9:30 pm-9:50 am
Nonstop7h 20m
London Heathrow
Wed 9/2
3:00 pm-9:52 pm
1 stop11h 52m
$962
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Mon 8/10
2:18 pm-6:25 am
1 stop11h 07m
London Heathrow
Wed 8/19
11:45 am-9:28 pm
2 stops14h 43m
$971
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Thu 9/17
6:19 pm-9:15 am
1 stop9h 56m
London Heathrow
Tue 9/22
6:30 am-5:28 pm
2 stops15h 58m
$984
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Thu 9/17
2:03 pm-6:25 am
1 stop11h 22m
London Heathrow
Wed 9/23
9:55 am-9:30 pm
2 stops16h 35m
$985
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Sun 8/16
6:05 am-6:45 am
1 stop19h 40m
London Heathrow
Sun 8/23
11:05 am-9:29 pm
1 stop15h 24m
$1,004
BaltimoreLondon
BWI - LHR
BWILHR
Baltimore/Washington
Wed 8/12
2:18 pm-6:25 am
1 stop11h 07m
London Heathrow
Mon 8/17
4:05 pm-10:39 pm
1 stop11h 34m
$1,055
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 July.
| 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 Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 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
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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 34 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 $1,197). 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 July 6, 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 75% 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.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $615.
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 23m.
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 July 6, 2026.
Read reviews from past customers who have flown Finnair,American Airlines, andIcelandair 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
7.4
Food
6.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.4
Food
6.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.4
Food
6.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.4
Food
6.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.4
Food
6.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRonald,Sep 2023
SEA - LHR
Comfort
7.4
Food
6.7
Overall
7.6
Crew
8.2
Entertainment
6.9
Boarding
7.7
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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Watford
Northampton
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
Baltimore and Heathrow flights
Browse other Baltimore and Heathrow flight options. Last updated on July 6, 2026.
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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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$462 | Average$840 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$471 | Average$695 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$479 | Average$649 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$589 | Average$871 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$599 | Average$808 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$602 | Average$877 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$609 | Average$867 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$650 | Average$939 | FlexibilityNo cancel fee | On-time77% |