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

Cheapflights users have booked flights from Baltimore to London round-trip from $628. Other airlines that can offer you cheap pricing are PLAY, from $628, and Delta, from $646. Users have found that Icelandair is 14% 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 PLAY ($234), Icelandair ($245), and Iberia ($364).

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 Stansted when deciding on the best route from Baltimore to London.

What are the cheapest flights from Baltimore to London?

While on average a flight from Baltimore to London is generally $1,319, our data shows the cheapest flight currently is $392. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $570 for that flight.

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 (55%), Aer Lingus (55%), Finnair (55%).

What are the most popular airlines that fly from Baltimore to London?

The most popular airlines flying from Baltimore to London are American Airlines, Finnair and British Airways. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Baltimore to London?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from Baltimore to London.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 24 days in advance, which can save you up to 27% on flights from Baltimore to London compared to booking the week you need them. Waiting 24 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $798. For sooner than that we have options available in the next 3 days from $878.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to London. Flights to London from Baltimore in January are about $743 on average during January, but can be found for as low as $385.

Most accurate provider : When it comes to deals on Baltimore-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Baltimore-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

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.

$216+ Flights from Baltimore to London - Compare & Save Big

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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 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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$620 (Kiwi.com)
One-way from	$224 (Norse)
Popular in	June
Cheapest in	February
Average price	$672

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. 15% potential increase in price ($132 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 29, 2025.

Thu 8/78:30 pmBWI - LGW

1 stop13h 10mIcelandair

Sun 8/313:40 pmLGW - BWI

1 stop32h 45mIcelandair

Deal found 4/28

$624

Wed 10/18:30 pmBWI - LHR

1 stop18h 50mIcelandair

Thu 10/308:40 pmLHR - BWI

1 stop26h 50mIcelandair

Deal found 4/29

$625

Thu 5/296:50 pmBWI - LGW

2 stops21h 35mMultiple Airlines

Thu 6/58:55 amLGW - BWI

2 stops13h 45mMultiple Airlines

Deal found 4/29

$625

Fri 10/36:50 pmBWI - STN

1 stop10h 50mPLAY

Wed 10/2211:40 amSTN - BWI

1 stop11h 00mPLAY

Deal found 4/29

$626

Wed 9/179:20 pmBWI - LHR

Nonstop7h 15mIberia

Thu 9/254:35 pmLHR - BWI

Nonstop8h 00mIberia

Deal found 4/29

$627

Sun 12/76:05 pmBWI - STN

1 stop10h 50mMultiple Airlines

Sat 12/138:15 amSTN - BWI

2 stops13h 40mMultiple Airlines

Deal found 4/29

$630

Tue 9/26:50 pmBWI - LTN

1 stop13h 10mMultiple Airlines

Tue 9/169:50 pmLTN - BWI

2 stops24h 50mMultiple Airlines

Deal found 4/29

$633

Mon 5/58:30 pmBWI - LHR

1 stop10h 25mMultiple Airlines

Mon 5/128:50 pmLHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 4/29

$634

Wed 9/249:20 pmBWI - LHR

Nonstop7h 15mAmerican Airlines

Wed 10/19:15 amLHR - BWI

1 stop11h 40mAmerican Airlines

Deal found 4/29

$635

Tue 7/299:20 pmBWI - LHR

Nonstop7h 15mFinnair

Wed 8/274:35 pmLHR - BWI

Nonstop8h 00mFinnair

Deal found 4/29

$637

Mon 8/411:52 amBWI - LHR

1 stop13h 53mDelta

Wed 8/1312:25 pmLHR - BWI

1 stop14h 18mDelta

Deal found 4/29

$642

Wed 9/39:20 pmBWI - LHR

Nonstop7h 15mBritish Airways

Wed 9/174:35 pmLHR - BWI

Nonstop8h 00mBritish Airways

Deal found 4/29

$647

Best flights from Baltimore to London
Discover carefully curated flight deals from Baltimore to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Sun 5/255:30 pmBWI - LGW

1 stop32h 25mMultiple Airlines

Wed 5/2810:00 amLGW - BWI

1 stop17h 13mMultiple Airlines

Deal found 4/28

$620

Mon 5/128:30 pmBWI - LHR

1 stop10h 25mIcelandair

Tue 5/209:25 pmLHR - BWI

1 stop27h 00mIcelandair

Deal found 4/28

$628

Sun 5/46:50 pmBWI - STN

1 stop10h 50mPLAY

Wed 5/1411:40 amSTN - BWI

1 stop11h 00mPLAY

Deal found 4/29

$628

Tue 5/132:29 pmBWI - LHR

1 stop11h 16mDelta

Fri 5/3012:45 pmLHR - BWI

1 stop11h 22mDelta

Deal found 4/29

$646

Mon 5/127:02 pmBWI - LHR

1 stop30h 18mUnited Airlines

Tue 5/209:30 amLHR - BWI

2 stops41h 07mUnited Airlines

Deal found 4/28

$666

Mon 5/1211:55 amBWI - LHR

1 stop13h 50mVirgin Atlantic

Tue 5/209:00 amLHR - BWI

2 stops19h 20mVirgin Atlantic

Deal found 4/28

$672

Tue 5/139:20 pmBWI - LHR

Nonstop7h 15mAmerican Airlines

Tue 5/209:15 amLHR - BWI

1 stop12h 22mAmerican Airlines

Deal found 4/29

$675

Wed 7/239:20 pmBWI - LHR

Nonstop7h 15mIberia

Sun 8/174:35 pmLHR - BWI

Nonstop8h 00mIberia

Deal found 4/29

$703

Sat 7/197:49 pmBWI - LHR

1 stop30h 51mBritish Airways

Sun 8/314:35 pmLHR - BWI

Nonstop8h 00mBritish Airways

Deal found 4/28

$737

Mon 5/59:20 pmBWI - LHR

Nonstop7h 15mFinnair

Wed 5/144:35 pmLHR - BWI

Nonstop8h 00mFinnair

Deal found 4/29

$753

Wed 5/142:29 pmBWI - LHR

1 stop11h 16mKLM

Fri 5/239:20 amLHR - BWI

1 stop13h 10mKLM

Deal found 4/27

$783

Mon 5/128:30 pmBWI - LGW

1 stop13h 05mIcelandair

Tue 5/201:00 pmLGW - BWI

1 stop11h 25mIcelandair

Deal found 4/28

$629

Last-minute flights from Baltimore to London
Discover last-minute flight deals from Baltimore to London. Data last updated April 29, 2025 and is based on user searches.

Thu 5/15:45 amBWI - STN

3 stops38h 00mMultiple Airlines

Tue 5/611:40 amSTN - BWI

1 stop11h 00mMultiple Airlines

Deal found 4/29

$646

Sun 5/46:50 pmBWI - STN

1 stop10h 50mPLAY

Wed 5/1411:40 amSTN - BWI

1 stop11h 00mPLAY

Deal found 4/29

$628

Mon 5/58:30 pmBWI - LHR

1 stop10h 25mMultiple Airlines

Mon 5/128:50 pmLHR - BWI

2 stops39h 41mMultiple Airlines

Deal found 4/29

$634

Tue 5/68:30 pmBWI - LHR

1 stop18h 50mIcelandair

Tue 5/139:25 pmLHR - BWI

1 stop27h 00mIcelandair

Deal found 4/29

$638

Tue 5/65:45 amBWI - STN

2 stops23h 55mMultiple Airlines

Tue 5/1311:40 amSTN - BWI

2 stops24h 51mMultiple Airlines

Deal found 4/29

$654

Tue 5/67:30 pmBWI - LHR

1 stop10h 00mDelta

Thu 5/1512:45 pmLHR - BWI

1 stop11h 22mDelta

Deal found 4/29

$729

Tue 5/69:20 pmBWI - LHR

Nonstop7h 15mIberia

Wed 5/144:35 pmLHR - BWI

Nonstop8h 00mIberia

Deal found 4/29

$755

Tue 5/66:45 amBWI - LHR

2 stops18h 45mUnited Airlines

Tue 5/139:30 amLHR - BWI

2 stops33h 46mUnited Airlines

Deal found 4/28

$786

Wed 5/78:30 pmBWI - LGW

1 stop10h 15mMultiple Airlines

Wed 5/1410:00 amLGW - BWI

2 stops28h 13mMultiple Airlines

Deal found 4/29

$652

Wed 5/78:30 pmBWI - LGW

1 stop10h 15mIcelandair

Tue 5/201:00 pmLGW - BWI

1 stop11h 25mIcelandair

Deal found 4/29

$654

Wed 5/76:50 pmBWI - LTN

2 stops18h 10mMultiple Airlines

Wed 5/146:00 amLTN - BWI

2 stops16h 40mMultiple Airlines

Deal found 4/29

$664

Wed 5/79:20 pmBWI - LHR

Nonstop7h 15mFinnair

Wed 5/144:35 pmLHR - BWI

Nonstop8h 00mFinnair

Deal found 4/29

$749

One-way flights from Baltimore to London
Search for one-way flight options from Baltimore to London. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Mon 7/2112:12 pmBWI - LGW

1 stop16h 48mMultiple Airlines

Deal found 4/29

$224

Tue 7/156:50 pmBWI - STN

1 stop10h 50mPLAY

Deal found 4/29

$234

Mon 5/128:30 pmBWI - LHR

1 stop10h 25mIcelandair

Deal found 4/29

$245

Mon 5/128:30 pmBWI - LGW

1 stop13h 05mIcelandair

Deal found 4/28

$245

Sat 7/196:50 pmBWI - LTN

1 stop13h 45mMultiple Airlines

Deal found 4/29

$278

Sun 7/272:59 pmBWI - LHR

2 stops24h 21mMultiple Airlines

Deal found 4/28

$279

Tue 7/226:50 pmBWI - STN

2 stops15h 10mMultiple Airlines

Deal found 4/29

$299

Wed 7/166:50 pmBWI - SEN

2 stops21h 00mMultiple Airlines

Deal found 4/28

$306

Mon 8/116:50 pmBWI - LCY

2 stops21h 50mMultiple Airlines

Deal found 4/29

$359

Sun 7/209:20 pmBWI - LHR

Nonstop7h 15mIberia

Deal found 4/29

$364

Mon 5/129:20 pmBWI - LHR

Nonstop7h 15mBritish Airways

Deal found 4/28

$391

Tue 5/134:47 pmBWI - LHR

2 stops13h 38mVirgin Atlantic

Deal found 4/28

$409

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

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 10/1

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Thu 10/30

8:40 pm-7:30 pm

1 stop26h 50m

$625

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 5/29

6:50 pm-9:25 pm

2 stops21h 35m

London Gatwick

Thu 6/5

8:55 am-5:40 pm

2 stops13h 45m

$625

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/17

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Thu 9/25

4:35 pm-7:35 pm

Nonstop8h 00m

$627

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Sun 5/4

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Wed 5/14

11:40 am-5:40 pm

1 stop11h 00m

$628

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Mon 6/2

6:50 pm-4:15 pm

2 stops16h 25m

London Stansted

Thu 6/5

8:15 pm-5:40 pm

2 stops26h 25m

$633

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/24

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Wed 10/1

9:15 am-3:55 pm

1 stop11h 40m

$635

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 7/29

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Wed 8/27

4:35 pm-7:35 pm

Nonstop8h 00m

$637

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 7/29

11:46 am-6:50 am

1 stop14h 04m

London Heathrow

Wed 8/27

4:35 pm-7:35 pm

Nonstop8h 00m

$641

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 8/4

11:52 am-6:45 am

1 stop13h 53m

London Heathrow

Wed 8/13

12:25 pm-9:43 pm

1 stop14h 18m

$642

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sat 7/19

8:30 pm-2:35 pm

1 stop13h 05m

London Gatwick

Sun 8/31

3:40 pm-7:25 pm

1 stop32h 45m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 39 results

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy-	Trust Score*2 stars
Gotogate	Price Accuracy3 stars	Trust Score*2 stars
Kiwi.com	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Baltimore-London flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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

Airports

BWI

For long-term parking, BWI offers budget-friendly lots with shuttle access. Allow extra time for shuttle transfers when departing.

LHR

Take the Heathrow Express for the fastest route to central London. It connects to Paddington Station, ideal for quick city access.

Our travel experts

Emily Zemler

Expert on BWI

Ramsey Qubein

Expert on LHR

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?

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 $1,110). 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?

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 32% on airfare.

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

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

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).

Rainfall in London 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

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

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.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 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 $628. Other airlines that can offer you cheap pricing are PLAY, from $628, and Delta, from $646. Users have found that Icelandair is 14% 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 PLAY ($234), Icelandair ($245), and Iberia ($364).
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 Stansted 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 (55%), Aer Lingus (55%), Finnair (55%).
What are the cheapest flights from Baltimore to London?
While on average a flight from Baltimore to London is generally $1,319, our data shows the cheapest flight currently is $392. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $570 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 $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Sutton

Chelmsford

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Baltimore to London

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$369	Average$514	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$474	Average$617	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$582	Average$757	FlexibilityNo cancel fee	On-time77%
Virgin Atlantic	Cheapest$585	Average$829	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$601	Average$988	FlexibilityNo cancel fee	On-time69%
Finnair	Cheapest$603	Average$762	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$631	Average$880	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$632	Average$854	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$635	Average$879	FlexibilityNo cancel fee	On-time71%

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$216+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.

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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

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Find flight deals from Baltimore to London

Cheapest flights from Baltimore to LondonExplore 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 April 29, 2025.

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 April 29, 2025.

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

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 April.

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

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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.

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 April 25, 2025.

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

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 April 29, 2025.

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 May 19, 2024.

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 April 29, 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

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.

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.

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Top 9 airlines flying from Baltimore to London

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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 April 29, 2025.