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$186+ Cheap flights from Baltimore (BWI) to London (LON)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find cheap flights from Baltimore to London with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Baltimore/Washington to London are usually found in February or September, booked 25 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Find flight deals from Baltimore to London

Cheapest flights from Baltimore to London
Explore the most affordable flight options available from Baltimore to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This oojo deal was found by Cheapflights users on 11/8. 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 11/287:40 pmBWI - LGW
1 stop10h 15mIcelandair
Wed 12/311:55 amLGW - BWI
1 stop11h 45mIcelandair
Deal found 11/8$585
This Mytrip deal was found by Cheapflights users on 11/10. 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 12/107:40 pmBWI - SEN
2 stops20h 20mMultiple Airlines
Wed 12/177:10 amSEN - BWI
2 stops16h 30mMultiple Airlines
Deal found 11/10$585
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:46 pmBWI - LHR
1 stop11h 34mAmerican Airlines
Wed 2/253:25 pmLHR - BWI
Nonstop8h 20mAmerican Airlines
Deal found 11/8$586
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Fri 11/287:40 pmBWI - STN
2 stops19h 55mMultiple Airlines
Fri 12/55:55 amSTN - BWI
2 stops17h 45mMultiple Airlines
Deal found 11/7$586
This CrystalTravel deal was found by Cheapflights users on 11/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:40 pmBWI - LHR
1 stop10h 10mIcelandair
Sun 11/2312:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 11/9$587
This Virgin Atlantic deal was found by Cheapflights users on 11/7. 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.
Sun 11/910:47 amBWI - LHR
1 stop16h 58mVirgin Atlantic
Tue 11/1811:30 amLHR - BWI
2 stops16h 30mVirgin Atlantic
Deal found 11/7$588
This CrystalTravel deal was found by Cheapflights users on 11/8. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:40 pmBWI - LGW
1 stop10h 15mIcelandair
Tue 11/1811:55 amLGW - BWI
1 stop11h 45mIcelandair
Deal found 11/8$588
This Virgin Atlantic deal was found by Cheapflights users on 11/9. 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 11/107:27 pmBWI - LHR
1 stop11h 13mVirgin Atlantic
Tue 11/1811:30 amLHR - BWI
2 stops16h 30mVirgin Atlantic
Deal found 11/9$589
This FlightHub deal was found by Cheapflights users on 11/9. 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 11/167:40 pmBWI - LGW
1 stop10h 15mIcelandair
Thu 11/2011:55 amLGW - BWI
1 stop11h 45mIcelandair
Deal found 11/9$589
This Virgin Atlantic deal was found by Cheapflights users on 11/9. 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 11/1212:15 pmBWI - LHR
1 stop18h 25mVirgin Atlantic
Wed 11/196:30 amLHR - BWI
2 stops16h 52mVirgin Atlantic
Deal found 11/9$590
This oojo deal was found by Cheapflights users on 11/8. 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 11/127:40 pmBWI - LGW
1 stop10h 15mIcelandair
Wed 11/1911:55 amLGW - BWI
1 stop11h 45mIcelandair
Deal found 11/8$590
This oojo deal was found by Cheapflights users on 11/10. 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 12/57:40 pmBWI - LHR
1 stop10h 10mIcelandair
Mon 12/88:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 11/10$591

Cheap flight deals from Baltimore to London

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to London (LON). 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 November 10, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$585
(Kiwi.com)

One-way from

$186
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$693
Provider with most accurate pricing for Baltimore/Washington-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-London (LON) flights.
Search Deals
From Baltimore/Washington to London (LON)
Search Deals
One-way flight from Baltimore/Washington to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($130 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to London 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 November 10, 2025.
Use the filters below to find and compare flights from Baltimore to London that are best for you.

Fly from

Baltimore

Fly to

London

Route

Depart

Return

Price

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Sat 1/24

7:40 pm-1:00 pm

1 stop12h 20m

London Luton

Thu 1/29

6:00 am-6:40 pm

1 stop17h 40m

$585

BaltimoreLondon

BWI - SEN

BWISEN

Baltimore/Washington

Wed 12/10

7:40 pm-9:00 pm

2 stops20h 20m

London Southend

Wed 12/17

7:10 am-6:40 pm

2 stops16h 30m

$585

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Fri 11/28

7:40 pm-8:35 pm

2 stops19h 55m

London Stansted

Fri 12/5

5:55 am-6:40 pm

2 stops17h 45m

$586

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 1/11

8:35 pm-8:40 am

Nonstop7h 05m

London Heathrow

Fri 2/27

3:25 pm-6:45 pm

Nonstop8h 20m

$589

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 11/19

2:35 pm-7:50 am

1 stop12h 15m

London Heathrow

Fri 11/28

9:40 am-7:03 pm

1 stop14h 23m

$596

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 11/26

2:35 pm-6:50 am

1 stop11h 15m

London Heathrow

Tue 12/2

9:40 am-7:02 pm

1 stop14h 22m

$596

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 1/28

12:00 pm-8:45 am

1 stop15h 45m

London Heathrow

Tue 2/3

11:30 am-11:07 pm

2 stops16h 37m

$597

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Sun 12/7

7:40 pm-8:55 pm

2 stops20h 15m

London Stansted

Sun 12/14

5:55 am-6:40 pm

2 stops17h 45m

$597

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 11/24

9:05 am-6:50 am

1 stop16h 45m

London Heathrow

Tue 12/2

4:10 pm-9:18 am

2 stops22h 08m

$600

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Mon 2/2

7:40 pm-9:50 pm

2 stops21h 10m

London Luton

Mon 2/9

7:20 am-6:40 pm

2 stops16h 20m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Showing 1-10 of 60 results
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Compare providers for flights from Baltimore to London

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 London in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*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 flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Baltimore-London flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Baltimore-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-London flights, Cheapflights users trust Mytrip the most. Mytrip 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 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 London

Have a flexible travel schedule? Discover the best time to fly to London 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

How far ahead should I book a flight from Baltimore to London?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to London. Price data was last updated on November 7, 2025.

The price you pay for your flight from Baltimore to London may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Baltimore to London (average of $31). Flying from Baltimore to London in June is currently the most expensive (average of $744). 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 LON?

Find hourly flight availability from Baltimore to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

One of the essential ways to save on airfare from Baltimore to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

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

Share of 1-stop round-trip flights from Baltimore to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 88% of 1-stop itineraries from Baltimore to London on Cheapflights.

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

Average round-trip fare for 1-stop flights from Baltimore to London, 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 $512.

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

Shortest average travel time for 1-stop one-way flights from Baltimore to London, 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 40m.

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

Average layover duration for 1-stop one-way flights from Baltimore to London, 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 flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to London trip
Airports
BWI

For a stress-free departure, arrive 20-30 minutes early during busy hours (6-8 a.m., 3-7 p.m.) to navigate security smoothly.

Read more about BWIby Emily Zemler
LHR

Take the Heathrow Express for the fastest route to central London, arriving at Paddington Station in just 15 minutes.

Read more about LHRby Ramsey Qubein
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated November 10, 2025.
Peruse reviews from past customers who have flown with American Airlines, Icelandair, and PLAY from Baltimore to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,047 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Icelandair
7.0
Good
574 reviews
American Airlines
7.2
Good
11,047 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
PLAY
7.0
Good
American Airlines
7.2
Good
11,047 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Iberia
7.0
Good
3,007 reviews
American Airlines
7.2
Good
11,047 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
British Airways
6.7
Okay
7,508 reviews
American Airlines
7.2
Good
11,047 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to London. 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?

    Located just 8.5 mi from the city center, Baltimore/Washington is the airport most travelers will use when flying to London from Baltimore. Booking flights from Baltimore/Washington (BWI) to London should be relatively easy as there are 4 daily outbound flights to London from 11 different airlines.

  • How long is the flight from Baltimore to London?

    A quick flight from Baltimore to London can take about 7h 05m. British Airways provides one of the quickest options available for as low as $589. The distance from Baltimore to London is about 3622 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Baltimore to London round-trip from $369. Other airlines that can offer you cheap pricing are Icelandair, from $472, and United Airlines, from $506. Users have found that PLAY is 50% cheaper than the other options available to this destination.

  • What are the most popular routes from Baltimore to London?

    Most travelers choose Baltimore/Washington - London Heathrow, Baltimore/Washington - London Gatwick or Baltimore/Washington - London Luton when deciding on the best route from Baltimore to London.

  • What are the most reliable airlines from Baltimore to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Baltimore to London on time: American Airlines (63%), Aer Lingus (63%), Finnair (63%).

  • What are the cheapest flights from Baltimore to London?

    While on average a flight from Baltimore to London is generally $1,608, our data shows the cheapest flight currently is $384. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $474 for that flight.

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

    Yes. In addition to deals on Baltimore to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to London.

  • Can I find deals for business class flights from Baltimore to London?

    Yes. Cheapflights offers flight deals from Baltimore to London 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?

    Currently, March is the cheapest month in which you can book a flight from Baltimore to London (average of $31). Flying from Baltimore to London in June is currently the most expensive (average of $744). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for Baltimore to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Baltimore to London

Discover the top 10 airlines that operate flights from Baltimore to London. 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$522FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$472Average$618FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$506Average$913FlexibilityNo cancel feeOn-time69%
KLMCheapest$520Average$654FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$520Average$792FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$554Average$952FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$583Average$773FlexibilityNo cancel feeOn-time77%
FinnairCheapest$599Average$758FlexibilityNo cancel feeOn-time76%
DeltaCheapest$609Average$877FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$628Average$820FlexibilityNo cancel feeOn-time70%

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