London

$332+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Baltimore/Washington to London are usually found in February or October, booked 67 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 June 12, 2025.

Round-trip from

$644
(Gotogate)

One-way from

$332
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,005
From Baltimore/Washington to London (LON)
One-way flight from Baltimore/Washington to London (LON)
Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:30 pmBWI - LHR
1 stop18h 50mIcelandair
Sat 9/209:25 pmLHR - BWI
1 stop27h 00mIcelandair
Deal found 6/10$644
This oojo deal was found by Cheapflights users on 6/10. 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.
Sat 10/258:30 pmBWI - LGW
1 stop13h 10mIcelandair
Thu 10/3011:55 amLGW - BWI
1 stop11h 35mIcelandair
Deal found 6/10$644
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:45 amBWI - LGW
2 stops23h 15mMultiple Airlines
Wed 9/172:00 pmLGW - BWI
1 stop14h 27mMultiple Airlines
Deal found 6/9$646
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/119:20 pmBWI - LHR
Nonstop7h 15mAmerican Airlines
Tue 9/161:10 pmLHR - BWI
1 stop14h 39mAmerican Airlines
Deal found 6/9$647
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:20 pmBWI - LHR
Nonstop7h 15mBritish Airways
Tue 9/234:35 pmLHR - BWI
Nonstop8h 00mBritish Airways
Deal found 6/9$649
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:50 pmBWI - STN
1 stop10h 50mPLAY
Tue 9/211:40 amSTN - BWI
1 stop11h 00mPLAY
Deal found 6/10$649
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:15 pmBWI - LHR
1 stop10h 40mDelta
Tue 8/199:20 amLHR - BWI
1 stop13h 00mDelta
Deal found 6/10$652
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:30 pmBWI - LTN
1 stop11h 30mMultiple Airlines
Sun 9/76:50 amLTN - BWI
1 stop17h 35mMultiple Airlines
Deal found 6/9$652
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:51 amBWI - LHR
2 stops14h 54mUnited Airlines
Fri 9/123:20 pmLHR - BWI
2 stops23h 35mUnited Airlines
Deal found 6/9$657
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/164:45 pmBWI - LHR
1 stop15h 45mVirgin Atlantic
Sat 8/29:40 amLHR - BWI
2 stops16h 08mVirgin Atlantic
Deal found 6/10$662
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 amBWI - LGW
2 stops20h 10mAmerican Airlines
Mon 9/1510:40 amLGW - BWI
2 stops18h 19mAmerican Airlines
Deal found 6/10$672
This oojo deal was found by Cheapflights users on 6/12. 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 9/36:20 amBWI - LHR
2 stops28h 40mScandinavian Airlines
Wed 9/105:00 pmLHR - BWI
2 stops33h 43mScandinavian Airlines
Deal found 6/12$673

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 June 12, 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 - LHR

BWILHR

Baltimore/Washington

Mon 9/1

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Sat 9/20

9:25 pm-7:25 pm

1 stop27h 00m

$644

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sat 10/25

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Thu 10/30

11:55 am-7:30 pm

1 stop11h 35m

$644

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 9/10

5:45 am-10:00 am

2 stops23h 15m

London Gatwick

Wed 9/17

2:00 pm-11:27 pm

1 stop14h 27m

$646

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 8/11

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Tue 9/16

1:10 pm-10:49 pm

1 stop14h 39m

$647

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/17

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Tue 9/23

4:35 pm-7:35 pm

Nonstop8h 00m

$649

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Wed 8/20

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Tue 9/2

11:40 am-5:40 pm

1 stop11h 00m

$649

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 8/13

5:15 pm-8:55 am

1 stop10h 40m

London Heathrow

Tue 8/19

9:40 am-4:52 pm

1 stop12h 12m

$652

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Tue 9/2

8:30 pm-1:00 pm

1 stop11h 30m

London Luton

Sun 9/7

6:50 am-7:25 pm

1 stop17h 35m

$652

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/3

10:51 am-6:45 am

2 stops14h 54m

London Heathrow

Fri 9/12

3:20 pm-9:55 am

2 stops23h 35m

$657

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 7/18

1:08 pm-8:05 am

1 stop13h 57m

London Heathrow

Thu 7/31

9:40 am-10:04 pm

1 stop17h 24m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 45 results
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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

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 June 9, 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 67 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, November is the cheapest month in which you can book a flight from Baltimore to London (average of $661). Flying from Baltimore to London in June is currently the most expensive (average of $1,108). 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 June 12, 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 evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Baltimore to London flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Baltimore to London

Explore weekly flight availability from Baltimore to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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).

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 June 12, 2025.
To help decide which airline to fly from Baltimore to London, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to 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 5 daily outbound flights to London from 9 different airlines.

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

    Cheapflights users have booked flights from Baltimore to London round-trip from $644. Other airlines that can offer you cheap pricing are American Airlines, from $647, and PLAY, from $649. Users have found that Icelandair is 12% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Baltimore to London one-way?

    The cheapest airlines for a one-way flight from Baltimore to London are Icelandair ($339), WorldTicket ($348), and PLAY ($359).

  • What are the most popular routes 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 (50%), Aer Lingus (50%), Finnair (50%).

  • What are the cheapest flights from Baltimore to London?

    While on average a flight from Baltimore to London is generally $1,844, our data shows the cheapest flight currently is $374. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $518 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, November is the cheapest month in which you can book a flight from Baltimore to London (average of $661). Flying from Baltimore to London in June is currently the most expensive (average of $1,108). 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 9 airlines flying from Baltimore to London

Discover the top 9 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$513FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$609FlexibilityNo cancel feeOn-time76%
IberiaCheapest$581Average$762FlexibilityNo cancel feeOn-time77%
FinnairCheapest$585Average$744FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$601Average$988FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$627Average$852FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$635Average$849FlexibilityNo cancel feeOn-time71%
DeltaCheapest$635Average$880FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$671Average$897FlexibilityNo cancel feeOn-time72%

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