HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$170+ Cheap flights from Baltimore (BWI) to the United Kingdom

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to United Kingdom with Cheapflights

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.

Cheap flight deals from Baltimore to United Kingdom

Keep the following information in mind while searching for Baltimore to United Kingdom flight deals. Data was last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(CrystalTravel)

One-way from

$170
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$637
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
Search Deals
From Baltimore/Washington to United Kingdom
Search Deals
One-way flight from Baltimore/Washington to United Kingdom
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Baltimore to United Kingdom

Cheapest flights from Baltimore to United Kingdom
Explore the most affordable flight options available from Baltimore to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This oojo deal was found by Cheapflights users on 9/29. 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 12/37:40 pmBWI - MAN
1 stop10h 05mIcelandair
Mon 12/811:55 amMAN - BWI
1 stop11h 45mIcelandair
Deal found 9/29$509
This oojo deal was found by Cheapflights users on 9/28. 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 10/158:30 pmBWI - MAN
1 stop10h 10mIcelandair
Thu 10/3011:55 amMAN - BWI
1 stop11h 45mIcelandair
Deal found 9/28$519
This FlightHub deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:30 pmBWI - MAN
1 stop10h 10mIcelandair
Thu 10/1612:40 pmMAN - BWI
1 stop11h 45mIcelandair
Deal found 9/28$523
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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.
Mon 12/17:40 pmBWI - GLA
1 stop9h 15mIcelandair
Fri 12/512:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 9/27$538
This Icelandair deal was found by Cheapflights users on 9/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:30 pmBWI - MAN
1 stop10h 10mIcelandair
Fri 10/1712:40 pmMAN - BWI
1 stop11h 45mIcelandair
Deal found 9/28$546
This Mytrip deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:50 pmBWI - LGW
2 stops19h 45mMultiple Airlines
Thu 10/98:00 amLGW - BWI
2 stops14h 40mMultiple Airlines
Deal found 9/27$548
This Icelandair deal was found by Cheapflights users on 9/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:40 pmBWI - GLA
1 stop9h 15mIcelandair
Sat 12/1312:35 pmGLA - BWI
1 stop11h 05mIcelandair
Deal found 9/28$548
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:40 pmBWI - LTN
1 stop14h 10mMultiple Airlines
Tue 11/257:00 amLTN - BWI
1 stop16h 40mMultiple Airlines
Deal found 9/28$549
This CrystalTravel deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:40 pmBWI - LHR
1 stop18h 50mIcelandair
Thu 1/1512:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 9/27$549
This oojo deal was found by Cheapflights users on 9/29. 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.
Tue 12/27:40 pmBWI - LGW
1 stop10h 15mIcelandair
Tue 12/911:55 amLGW - BWI
1 stop11h 45mIcelandair
Deal found 9/29$549
This oojo deal was found by Cheapflights users on 9/26. 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.
Sun 10/268:40 pmBWI - LGW
1 stop10h 15mIcelandair
Fri 10/3111:55 amLGW - BWI
1 stop11h 45mIcelandair
Deal found 9/26$550
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sun 10/126:53 amBWI - LGW
1 stop22h 17mMultiple Airlines
Tue 10/218:20 pmLGW - BWI
2 stops26h 20mMultiple Airlines
Deal found 9/27$551

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to United Kingdom 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 September 29, 2025.
Use the filters below to find and compare flights from Baltimore to the United Kingdom that are best for you.

Fly from

Baltimore

Fly to

United Kingdom

Route

Depart

Return

Price

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 2/21

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 2/28

12:35 pm-6:40 pm

1 stop11h 05m

$502

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Tue 3/24

8:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 3/30

2:20 pm-7:25 pm

1 stop10h 05m

$525

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Thu 3/19

8:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 3/27

1:20 pm-7:40 pm

1 stop10h 20m

$532

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Thu 1/8

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 1/19

12:35 pm-6:40 pm

1 stop11h 05m

$548

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Tue 3/24

8:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 3/28

1:20 pm-10:30 pm

1 stop13h 10m

$548

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Mon 3/23

8:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 3/28

1:20 pm-10:30 pm

1 stop13h 10m

$548

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Thu 1/15

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Mon 1/26

12:35 pm-6:40 pm

1 stop11h 05m

$548

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Sat 10/18

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Tue 10/21

10:05 pm-5:40 pm

2 stops24h 35m

$551

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Sun 10/12

6:50 pm-2:05 pm

2 stops14h 15m

London Luton

Tue 10/21

6:05 am-5:40 pm

2 stops16h 35m

$559

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Wed 10/15

6:50 pm-10:40 am

1 stop10h 50m

London Stansted

Tue 10/21

10:05 pm-5:40 pm

2 stops24h 35m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Baltimore to United Kingdom

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

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

Currently, November is the cheapest month in which you can book a flight from Baltimore to United Kingdom (average of $661). Flying from Baltimore to United Kingdom in June is currently the most expensive (average of $1,096). 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 GB?

Find hourly flight availability from Baltimore to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

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

Weekly flight availability from Baltimore to United Kingdom

Explore weekly flight availability from Baltimore to United Kingdom. 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 September 29, 2025.

The most flights from BWI to GB0 are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated September 29, 2025.
Read reviews from past customers who have flown American Airlines, Icelandair, and PLAY from Baltimore to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Icelandair
7.0
Good
546 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
PLAY
7.0
Good
103 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Iberia
7.0
Good
2,959 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
British Airways
6.7
Okay
7,406 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Crew

8.0

Overall

7.2

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

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

    Baltimore/Washington (BWI) is the airport you will fly out of if you book a flight from Baltimore to United Kingdom. It is only a 8.5 mi journey to Baltimore/Washington (BWI) from Baltimore’s city center.

  • How long is the flight from Baltimore to United Kingdom?

    Departing from Baltimore to United Kingdom will take you 9h 15m. The distance from Baltimore to United Kingdom is about 3386 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $178 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on Icelandair and United Airlines, with prices starting from $363 and $389, respectively.

  • What are the most popular routes from Baltimore to United Kingdom?

    While some choose either Baltimore/Washington - London Gatwick or Baltimore/Washington - London City, Baltimore/Washington - London Heathrow is the most popular route from Baltimore to United Kingdom.

  • What are the most reliable airlines from Baltimore to United Kingdom?

    No one likes to see their flight delayed. When booking a flight from Baltimore to United Kingdom consider choosing Iberia (70%), American Airlines (67%) or Finnair (64%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Baltimore to United Kingdom?

    While on average a flight from Baltimore to United Kingdom is generally $1,169, our data shows the cheapest flight currently is $382. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $531 for that flight.

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

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

  • How can I find direct flights from Baltimore to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Baltimore to United Kingdom 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 United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Baltimore to United Kingdom (average of $661). Flying from Baltimore to United Kingdom in June is currently the most expensive (average of $1,096). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Dulles Intl to Madrid flights
Dulles Intl to Istanbul flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to Frankfurt flights
Dulles Intl to Lisbon flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Dulles Intl to Barcelona-El Prat flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Reagan-National to Gatwick flights
Dulles Intl to Orly flights
Baltimore to Charles de Gaulle flights
Dulles Intl to Dublin flights
Reagan-National to Charles de Gaulle flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Stansted flights
Dulles Intl to Amsterdam flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Istanbul flights
Philadelphia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Munich flights
Reagan-National to Orly flights
Dulles Intl to Luton flights
Philadelphia to Charles de Gaulle flights
Dulles Intl to Zurich flights
Philadelphia to Dublin flights
Dulles Intl to Vicenza flights
Dulles Intl to Bruxelles-National flights
Baltimore to Keflavik Intl flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Keflavik Intl flights
Baltimore to Istanbul flights
Reagan-National to Frankfurt flights
Dulles Intl to Geneva flights
Philadelphia to Madrid flights
Baltimore to Frankfurt flights
Dulles Intl to Vienna flights
Baltimore to London City flights
Baltimore to Lisbon flights
Dulles Intl to Malpensa flights
Baltimore to Luton flights
Reagan-National to Lisbon flights
Reagan-National to Vicenza flights

Top 10 airlines flying from Baltimore to United Kingdom

Discover the top 10 airlines that operate flights from Baltimore to United Kingdom. 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$505FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$472Average$624FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$506Average$1,181FlexibilityNo cancel feeOn-time69%
KLMCheapest$520Average$811FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$520Average$792FlexibilityNo cancel feeOn-time72%
Aer LingusCheapest$554Average$952FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$563Average$778FlexibilityNo cancel feeOn-time70%
IberiaCheapest$584Average$768FlexibilityNo cancel feeOn-time77%
FinnairCheapest$599Average$758FlexibilityNo cancel feeOn-time76%
DeltaCheapest$609Average$970FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.