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

Cheapflights users have booked flights from Baltimore to London round-trip from $627. Other airlines that can offer you cheap pricing are Icelandair, from $628, and Virgin Atlantic, from $631. Users have found that United Airlines 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 Icelandair ($214), PLAY ($224), and United Airlines ($426).

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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

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 $1,694, our data shows the cheapest flight currently is $379. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $482 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 (48%), Aer Lingus (48%), Finnair (48%).

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 16% 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 48 days in advance, which can save you up to 37% on flights from Baltimore to London compared to booking the week you need them. Waiting 48 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 $802. For sooner than that we have options available in the next 3 days from $933.

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 $741 on average during January, but can be found for as low as $385.

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.

$176+ Flights from Baltimore to London

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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

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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

Round-trip from	$627 (United Airlines)
One-way from	$176 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$872

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 ($135 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 July 2025

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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 julio 3, 2025.

sáb. 8/236:25 pmBWI - LHR

1 stop11h 45mVirgin Atlantic

sáb. 8/301:05 pmLHR - BWI

1 stop12h 46mVirgin Atlantic

Deal found 7/3

$626

lun. 8/45:20 pmBWI - LHR

1 stop13h 25mUnited Airlines

mar. 8/1211:05 amLHR - BWI

1 stop15h 37mUnited Airlines

Deal found 6/30

$627

mié. 8/611:53 amBWI - LGW

1 stop17h 07mMultiple Airlines

dom. 8/2410:00 amLGW - BWI

1 stop18h 59mMultiple Airlines

Deal found 7/2

$627

dom. 10/56:50 pmBWI - STN

1 stop10h 50mPLAY

lun. 10/1311:40 amSTN - BWI

1 stop11h 00mPLAY

Deal found 7/2

$627

jue. 9/188:30 pmBWI - LHR

1 stop10h 25mIcelandair

vie. 9/261:05 pmLHR - BWI

1 stop11h 20mIcelandair

Deal found 7/3

$628

sáb. 8/166:50 pmBWI - LTN

2 stops22h 40mMultiple Airlines

sáb. 8/238:40 amLTN - BWI

2 stops14h 00mMultiple Airlines

Deal found 7/2

$629

mar. 8/56:50 pmBWI - STN

2 stops18h 20mMultiple Airlines

vie. 8/1510:50 pmSTN - BWI

2 stops23h 50mMultiple Airlines

Deal found 7/2

$629

vie. 9/194:39 pmBWI - LHR

2 stops13h 46mDelta

sáb. 9/276:15 amLHR - BWI

2 stops17h 45mDelta

Deal found 7/3

$631

mar. 8/128:30 pmBWI - LGW

1 stop13h 10mIcelandair

mar. 8/261:00 pmLGW - BWI

1 stop11h 25mIcelandair

Deal found 7/3

$631

sáb. 8/166:25 pmBWI - LHR

1 stop11h 45mKLM

lun. 8/259:40 amLHR - BWI

1 stop12h 12mKLM

Deal found 7/2

$634

jue. 10/91:00 pmBWI - LCY

2 stops14h 10mDelta

mar. 10/147:45 amLCY - BWI

2 stops18h 58mDelta

Deal found 7/3

$635

mar. 7/227:10 amBWI - LHR

3 stops32h 50mMultiple Airlines

mar. 7/296:00 amLHR - BWI

2 stops30h 30mMultiple Airlines

Deal found 7/1

$636

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 julio 3, 2025.

lun. 8/46:50 pmBWI - LHR

1 stop11h 55mUnited Airlines

vie. 8/158:30 amLHR - BWI

1 stop14h 37mUnited Airlines

Deal found 6/30

$627

mié. 8/611:53 amBWI - LGW

1 stop17h 07mMultiple Airlines

dom. 8/2410:00 amLGW - BWI

1 stop18h 59mMultiple Airlines

Deal found 7/2

$627

jue. 9/188:30 pmBWI - LHR

1 stop10h 25mIcelandair

vie. 9/261:05 pmLHR - BWI

1 stop11h 20mIcelandair

Deal found 7/3

$628

sáb. 8/164:39 pmBWI - LHR

2 stops13h 46mVirgin Atlantic

lun. 8/2511:30 amLHR - BWI

2 stops16h 47mVirgin Atlantic

Deal found 7/2

$631

jue. 8/76:50 pmBWI - STN

1 stop10h 50mPLAY

lun. 8/2511:40 amSTN - BWI

1 stop11h 00mPLAY

Deal found 7/2

$632

sáb. 8/166:25 pmBWI - LHR

1 stop11h 45mKLM

lun. 8/259:40 amLHR - BWI

1 stop12h 12mKLM

Deal found 7/2

$634

jue. 10/91:00 pmBWI - LCY

2 stops14h 10mDelta

mar. 10/147:45 amLCY - BWI

2 stops18h 58mDelta

Deal found 7/3

$635

mar. 8/199:20 pmBWI - LHR

Nonstop7h 15mBritish Airways

mar. 9/24:35 pmLHR - BWI

Nonstop8h 00mBritish Airways

Deal found 7/2

$640

lun. 8/189:20 pmBWI - LHR

Nonstop7h 15mAmerican Airlines

vie. 8/294:35 pmLHR - BWI

Nonstop8h 00mAmerican Airlines

Deal found 7/2

$641

lun. 9/81:35 pmBWI - LHR

2 stops23h 05mScandinavian Airlines

dom. 9/146:40 pmLHR - BWI

2 stops32h 56mScandinavian Airlines

Deal found 7/1

$669

sáb. 8/166:50 pmBWI - LTN

2 stops22h 40mMultiple Airlines

sáb. 8/238:40 amLTN - BWI

2 stops14h 00mMultiple Airlines

Deal found 7/2

$629

mar. 8/128:30 pmBWI - LGW

1 stop13h 10mIcelandair

mar. 8/261:00 pmLGW - BWI

1 stop11h 25mIcelandair

Deal found 7/1

$631

Last-minute flights from Baltimore to London
Discover last-minute flight deals from Baltimore to London. Data last updated julio 3, 2025 and is based on user searches.

mar. 7/89:20 pmBWI - LHR

Nonstop7h 15mBritish Airways

mar. 7/229:15 amLHR - BWI

1 stop18h 00mBritish Airways

Deal found 7/1

$757

mar. 7/88:30 pmBWI - LHR

1 stop18h 50mIcelandair

mar. 8/129:25 pmLHR - BWI

1 stop27h 00mIcelandair

Deal found 7/2

$758

mar. 7/88:10 amBWI - LGW

2 stops19h 00mAmerican Airlines

mié. 8/610:40 amLGW - BWI

2 stops17h 29mAmerican Airlines

Deal found 7/1

$758

mar. 7/86:00 pmBWI - LGW

1 stop35h 00mMultiple Airlines

mar. 7/152:00 pmLGW - BWI

1 stop14h 49mMultiple Airlines

Deal found 7/1

$801

mié. 7/92:50 pmBWI - LHR

2 stops25h 10mMultiple Airlines

mar. 7/158:45 amLHR - BWI

2 stops27h 45mMultiple Airlines

Deal found 7/2

$747

jue. 7/101:08 pmBWI - LHR

1 stop16h 22mDelta

mié. 8/136:15 amLHR - BWI

2 stops16h 05mDelta

Deal found 7/2

$652

jue. 7/101:08 pmBWI - LCY

2 stops13h 07mDelta

mié. 8/139:20 amLCY - BWI

2 stops18h 28mDelta

Deal found 7/3

$711

jue. 7/108:30 pmBWI - LGW

1 stop13h 10mIcelandair

mié. 8/133:40 pmLGW - BWI

1 stop32h 45mIcelandair

Deal found 7/1

$721

jue. 7/106:50 pmBWI - STN

1 stop10h 50mPLAY

mié. 8/1311:40 amSTN - BWI

1 stop11h 00mPLAY

Deal found 7/1

$884

vie. 7/1111:51 amBWI - LHR

2 stops13h 54mVirgin Atlantic

mié. 7/2311:30 amLHR - BWI

2 stops16h 48mVirgin Atlantic

Deal found 7/2

$801

dom. 7/135:32 pmBWI - LHR

1 stop10h 33mAmerican Airlines

mar. 7/2211:00 amLHR - BWI

1 stop16h 15mAmerican Airlines

Deal found 7/2

$733

dom. 7/136:15 amBWI - LHR

2 stops22h 45mUnited Airlines

mar. 7/221:00 pmLHR - BWI

2 stops26h 03mUnited Airlines

Deal found 7/3

$738

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 julio 3, 2025.

lun. 8/47:37 pmBWI - LGW

1 stop30h 23mMultiple Airlines

Deal found 7/2

$176

sáb. 9/68:30 pmBWI - LHR

1 stop10h 25mIcelandair

Deal found 7/1

$214

mar. 9/28:30 pmBWI - LGW

1 stop13h 10mIcelandair

Deal found 7/2

$219

mar. 9/302:30 pmBWI - LHR

2 stops24h 50mMultiple Airlines

Deal found 7/1

$222

mar. 9/306:50 pmBWI - STN

1 stop10h 50mPLAY

Deal found 7/1

$224

mar. 9/26:50 pmBWI - LTN

2 stops22h 35mMultiple Airlines

Deal found 7/1

$242

mié. 7/307:10 amBWI - STN

3 stops30h 55mMultiple Airlines

Deal found 7/3

$273

mié. 8/67:10 amBWI - LCY

2 stops30h 35mMultiple Airlines

Deal found 7/2

$302

mar. 10/78:30 pmBWI - SEN

2 stops20h 50mMultiple Airlines

Deal found 7/1

$303

dom. 8/176:15 amBWI - LCY

2 stops25h 15mUnited Airlines

Deal found 7/2

$426

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

sáb. 8/23

6:25 pm-11:10 am

1 stop11h 45m

London Heathrow

sáb. 8/30

1:05 pm-8:51 pm

1 stop12h 46m

$626

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

lun. 8/4

5:20 pm-11:45 am

1 stop13h 25m

London Heathrow

mar. 8/12

11:05 am-9:42 pm

1 stop15h 37m

$627

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

mié. 8/6

11:53 am-10:00 am

1 stop17h 07m

London Gatwick

dom. 8/24

10:00 am-11:59 pm

1 stop18h 59m

$627

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

dom. 10/5

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

lun. 10/13

11:40 am-5:40 pm

1 stop11h 00m

$627

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

jue. 9/18

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

vie. 9/26

1:05 pm-7:25 pm

1 stop11h 20m

$628

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

sáb. 8/16

6:50 pm-10:30 pm

2 stops22h 40m

London Luton

sáb. 8/23

8:40 am-5:40 pm

2 stops14h 00m

$629

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

mar. 8/5

6:50 pm-6:10 pm

2 stops18h 20m

London Stansted

vie. 8/15

10:50 pm-5:40 pm

2 stops23h 50m

$629

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

vie. 9/19

4:39 pm-11:25 am

2 stops13h 46m

London Heathrow

sáb. 9/27

6:15 am-7:00 pm

2 stops17h 45m

$631

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

mar. 8/12

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

mar. 8/26

1:00 pm-7:25 pm

1 stop11h 25m

$631

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

sáb. 8/16

6:25 pm-11:10 am

1 stop11h 45m

London Heathrow

lun. 8/25

9:40 am-4:52 pm

1 stop12h 12m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 27 results

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

LHR

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

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 $1,098). 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 31% on airfare.

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).

Reviews of airlines servicing London

Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines 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.

Delta

8.0

Very good

7,982 reviews

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!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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!

KLM

7.8

Good

1,367 reviews

Delta

8.0

Very good

7,982 reviews

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!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very good

7,982 reviews

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!

Scandinavian Airlines

7.3

Good

1,416 reviews

Delta

8.0

Very good

7,982 reviews

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

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 $627. Other airlines that can offer you cheap pricing are Icelandair, from $628, and Virgin Atlantic, from $631. Users have found that United Airlines 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 Icelandair ($214), PLAY ($224), and United Airlines ($426).
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 (48%), Aer Lingus (48%), Finnair (48%).
What are the cheapest flights from Baltimore to London?
While on average a flight from Baltimore to London is generally $1,694, our data shows the cheapest flight currently is $379. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $482 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 $1,098). 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

Hounslow

Hayes

Thornton Heath

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Folkestone

Borehamwood

Aylesbury

Chelmsford

Brentwood

Chichester

Arundel

Milton Keynes

Bishop's Stortford

Dartford

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$521	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$474	Average$609	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$496	Average$837	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$580	Average$762	FlexibilityNo cancel fee	On-time77%
Finnair	Cheapest$585	Average$734	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$601	Average$905	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$631	Average$880	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$634	Average$838	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$671	Average$897	FlexibilityNo cancel fee	On-time72%

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$176+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 julio 3, 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 julio 3, 2025.

Cheapflights Fare Finder

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

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

LHR

Our travel experts

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 June 27, 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 julio 3, 2025.

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 julio 3, 2025.

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 julio 3, 2025.

Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines 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.

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?

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

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

What are the most popular routes from Baltimore to London?

What are the most reliable airlines from Baltimore to London?

What are the cheapest flights from Baltimore to London?

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

How can I find direct flights from Baltimore to London?

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

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

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Alternative routes for Baltimore to London

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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 julio 3, 2025.