London

$267+ Cheap flights from Baltimore (BWI) to London (LON)

BWI — LON
Dec 5 — Dec 121
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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 are usually found in January or February, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Baltimore to London

Cheapest flights from Baltimore to London

Tue 12/17:40 pm -
2 stops18h 35m
Tue 12/86:20 am -
2 stops17h 20m
Deal found 10/31$691
Mon 11/167:40 pm -
1 stop18h 50m
Tue 11/2412:15 pm -
1 stop11h 25m
Deal found 11/2$691
Tue 11/177:40 pm -
1 stop14h 20m
Wed 11/258:00 am -
1 stop15h 40m
Deal found 11/2$692
Wed 12/97:40 pm -
1 stop18h 50m
Sun 12/138:35 pm -
1 stop27h 05m
Deal found 11/3$692
Mon 11/167:40 pm -
1 stop10h 10m
Mon 11/238:35 pm -
1 stop27h 05m
Deal found 11/3$693
Tue 12/17:40 pm -
1 stop18h 50m
Sun 1/318:35 pm -
1 stop27h 05m
Deal found 11/1$694
Tue 11/177:40 pm -
1 stop10h 15m
Wed 11/259:50 am -
1 stop19h 53m
Deal found 11/2$694
Mon 11/167:40 pm -
2 stops16h 20m
Mon 11/236:40 am -
2 stops17h 00m
Deal found 10/31$696
Wed 12/27:40 pm -
2 stops17h 05m
Tue 12/86:10 am -
2 stops17h 30m
Deal found 11/1$698
Mon 11/307:40 pm -
2 stops17h 20m
Tue 12/87:45 am -
2 stops15h 55m
Deal found 11/2$699
Wed 12/97:40 pm -
1 stop18h 50m
Wed 12/168:35 pm -
1 stop27h 05m
Deal found 11/2$699
Tue 11/177:40 pm -
1 stop10h 15m
Mon 11/2311:55 am -
1 stop11h 45m
Deal found 11/1$699

Find flight deals from Baltimore to London

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$691
(Mytrip)

One-way from

$267
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$806
Provider with most accurate pricing for Baltimore/Washington-London (LON) flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-London (LON) flights.
From Baltimore/Washington to London (LON)
One-way flight from Baltimore/Washington to London (LON)
Highest demand for flights based on searches. 17% potential increase in price ($184 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Wed 11/25

7:40 pm-11:00 pm

3 stops22h 20m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$306

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Mon 11/30

7:40 pm-5:05 pm

2 stops16h 25m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$347

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Tue 1/12

11:52 am-5:50 am

1 stop12h 58m

London Gatwick

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$363

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Wed 1/13

7:40 pm-10:10 pm

3 stops21h 30m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$365

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Mon 11/16

7:40 pm-12:05 pm

2 stops35h 25m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$368

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Wed 12/9

7:40 pm-10:10 pm

3 stops21h 30m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$368

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Tue 4/27

8:30 pm-1:45 pm

2 stops12h 15m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$374

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Wed 12/30

7:40 pm-9:00 pm

2 stops20h 20m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$379

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Mon 12/14

7:40 pm-1:40 pm

3 stops37h 00m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$394

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Sun 11/15

7:40 pm-7:35 am

2 stops30h 55m

London Luton

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Compare providers for flights from Baltimore to London

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 Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Trip.comPrice Accuracy1 starTrust 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Baltimore-London flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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

Cheapflights Insights

Everything you need to know about your flight from Baltimore to London

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

Currently, January is the cheapest month in which you can book a flight from Baltimore to London (average of $673). Flying from Baltimore to London in June is currently the most expensive (average of $1,215). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to London as you normally would.

Weekly flight availability from Baltimore to London

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).

How much does it cost to fly round-trip from Baltimore to London?

Airfare is typical for this route at the moment.
Baltimore to London flights typically cost between $656 and $971 in December.
The cheapest round-trip price found within the last 5 days was $691 on Multiple Airlines (Dec 1-Dec 8).

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

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 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

The best insider tips for Baltimore to London flights

Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to London trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

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.

Ramsey Qubein

Ramsey Qubein

Expert on LHR

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.

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with Finnair,American Airlines, andIberia 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.

Boarding

7.6

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Boarding

7.6

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Boarding

7.6

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Boarding

7.6

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Boarding

7.6

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Boarding

7.6

Comfort

7.4

Crew

8.2

Entertainment

6.9

Overall

7.6

Food

6.7

Reviews

1 / 20
10.0
Excellent

Jake,Jun 2026

RNO - SEA

Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.

Related info for your journey

  • 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 8 different airlines.

  • How long is the flight from Baltimore to London?

    A quick flight from Baltimore to London can take about 13h. Icelandair provides one of the quickest options available for as low as $770. The distance from Baltimore to London is about 3641 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 $462. Other airlines that can offer you cheap pricing are Icelandair, from $465, and Finnair, from $591. Users have found that United Airlines is 47% 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 ($234), Iberia ($318), and American Airlines ($324).

  • 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: Finnair (87%), American Airlines (83%), British Airways (83%).

  • What are the cheapest flights from Baltimore to London?

    While on average a flight from Baltimore to London is generally $1,213, our data shows the cheapest flight currently is $315. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $409 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, January is the cheapest month in which you can book a flight from Baltimore to London (average of $673). Flying from Baltimore to London in June is currently the most expensive (average of $1,215). 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
Ilford
Dorking
Gatwick
Hounslow
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Bedford

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Top 8 airlines flying from Baltimore to London

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$462Average$862FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$465Average$774FlexibilityNo cancel feeOn-time76%
FinnairCheapest$591Average$827FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$602Average$1,035FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$619Average$1,001FlexibilityNo cancel feeOn-time70%
DeltaCheapest$646Average$867FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$660Average$966FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$679Average$1,056FlexibilityNo cancel feeOn-timeN/A

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