HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
United Kingdom

$193+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
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

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 December 26, 2025.

This Delta deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:49 pmBWI - MAN
1 stop12h 41mDelta
Sun 1/181:00 pmMAN - BWI
1 stop15h 37mDelta
Deal found 12/24$615
This American Airlines deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:54 pmBWI - MAN
2 stops17h 26mAmerican Airlines
Sun 1/187:55 amMAN - BWI
2 stops18h 23mAmerican Airlines
Deal found 12/24$622
This Kiwi.com deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmBWI - LHR
1 stop10h 10mIcelandair
Sun 1/118:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 12/24$707
This Kiwi.com deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmBWI - LHR
1 stop10h 10mIcelandair
Mon 1/1212:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 12/24$735
This American Airlines deal was found by Cheapflights users on 12/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:35 pmBWI - LHR
Nonstop7h 05mAmerican Airlines
Wed 1/143:25 pmLHR - BWI
Nonstop8h 20mAmerican Airlines
Deal found 12/25$760
This British Airways deal was found by Cheapflights users on 12/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:54 pmBWI - LHR
1 stop10h 21mBritish Airways
Wed 1/143:25 pmLHR - BWI
Nonstop8h 20mBritish Airways
Deal found 12/26$764
This Virgin Atlantic deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:59 pmBWI - LHR
1 stop11h 41mVirgin Atlantic
Fri 1/98:55 amLHR - BWI
1 stop13h 51mVirgin Atlantic
Deal found 12/24$773
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:00 pmBWI - LHR
1 stop14h 00mDelta
Fri 1/98:55 amLHR - BWI
1 stop13h 51mDelta
Deal found 12/26$774
This United Airlines deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:44 amBWI - LHR
1 stop14h 11mUnited Airlines
Fri 1/99:10 amLHR - BWI
2 stops17h 11mUnited Airlines
Deal found 12/24$778
This Delta deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:00 pmBWI - MAN
1 stop15h 30mDelta
Tue 1/61:40 pmMAN - BWI
2 stops34h 27mDelta
Deal found 12/24$785
This Delta deal was found by Cheapflights users on 12/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:59 pmBWI - MAN
2 stops16h 36mDelta
Tue 1/61:40 pmMAN - BWI
2 stops34h 27mDelta
Deal found 12/24$795
This British Airways deal was found by Cheapflights users on 12/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:35 pmBWI - LHR
Nonstop7h 05mBritish Airways
Sat 1/103:25 pmLHR - BWI
Nonstop8h 20mBritish Airways
Deal found 12/24$809

Find 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 December 26, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$458
(eDestinos)

One-way from

$193
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$986
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. 6% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 26, 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

Fri 2/6

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Thu 2/12

11:15 am-6:40 pm

1 stop12h 25m

$478

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 2/8

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Wed 2/18

12:35 pm-6:40 pm

1 stop11h 05m

$491

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sat 2/14

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sat 2/21

12:35 pm-6:40 pm

1 stop11h 05m

$491

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Sun 2/8

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Sun 2/15

12:35 pm-6:40 pm

1 stop11h 05m

$491

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Tue 2/24

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Tue 3/3

12:35 pm-6:40 pm

1 stop11h 05m

$492

BaltimoreManchester

BWI - MAN

BWIMAN

Baltimore/Washington

Tue 2/24

7:40 pm-10:45 am

1 stop10h 05m

Manchester

Sun 3/1

11:55 am-6:40 pm

1 stop11h 45m

$498

BaltimoreGlasgow

BWI - GLA

BWIGLA

Baltimore/Washington

Fri 2/6

7:40 pm-9:55 am

1 stop9h 15m

Glasgow Intl

Fri 2/20

12:35 pm-6:40 pm

1 stop11h 05m

$504

BaltimoreInverness

BWI - INV

BWIINV

Baltimore/Washington

Sun 4/12

9:35 pm-2:50 pm

1 stop12h 15m

Inverness

Wed 4/22

10:30 am-7:40 pm

1 stop14h 10m

$520

BaltimoreInverness

BWI - INV

BWIINV

Baltimore/Washington

Sat 4/11

9:30 pm-2:00 pm

1 stop11h 30m

Inverness

Sun 4/19

6:45 am-7:45 pm

1 stop18h 00m

$520

BaltimoreInverness

BWI - INV

BWIINV

Baltimore/Washington

Sun 4/12

9:35 pm-2:50 pm

1 stop12h 15m

Inverness

Tue 4/21

11:20 am-7:40 pm

1 stop13h 20m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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, March is the cheapest month in which you can book a flight from Baltimore to United Kingdom (average of $31). Flying from Baltimore to United Kingdom in June is currently the most expensive (average of $544). 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 December 26, 2025.

One of the essential ways to save on airfare from Baltimore to United Kingdom is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Baltimore to United Kingdom?

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

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

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 December 26, 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
11,065 reviews

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,065 reviews
American Airlines
7.2
Good
11,065 reviews

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Icelandair
7.0
Good
592 reviews
American Airlines
7.2
Good
11,065 reviews

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
PLAY
7.0
Good
American Airlines
7.2
Good
11,065 reviews

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Iberia
7.0
Good
3,060 reviews
American Airlines
7.2
Good
11,065 reviews

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
British Airways
6.7
Okay
7,617 reviews
American Airlines
7.2
Good
11,065 reviews

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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?

    $185 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on PLAY and Iberia, with prices starting from $211 and $374, respectively.

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

    While some choose either Baltimore/Washington - London Gatwick or Baltimore/Washington - London Luton, 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 American Airlines (83%), Aer Lingus (83%) or Finnair (83%) 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 $1,021, our data shows the cheapest flight currently is $370. When looking at the most popular route, (Baltimore/Washington - London Heathrow), you can expect to pay $480 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, March is the cheapest month in which you can book a flight from Baltimore to United Kingdom (average of $31). Flying from Baltimore to United Kingdom in June is currently the most expensive (average of $544). 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 Leonardo da Vinci/Fiumicino flights
Dulles Intl to Istanbul flights
Dulles Intl to Lisbon flights
Dulles Intl to Madrid flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to Athens flights
Dulles Intl to Barcelona-El Prat flights
Philadelphia to Heathrow flights
Dulles Intl to Dublin flights
Dulles Intl to London City flights
Dulles Intl to Orly flights
Dulles Intl to Amsterdam flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
Dulles Intl to Frankfurt flights
Dulles Intl to Stansted flights
Philadelphia to Leonardo da Vinci/Fiumicino flights
Philadelphia to Dublin flights
Dulles Intl to Zurich flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Istanbul flights
Dulles Intl to Keflavik Intl flights
Philadelphia to Charles de Gaulle flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Reagan-National to Orly flights
Dulles Intl to Edinburgh flights
Baltimore to Keflavik Intl flights
Dulles Intl to Sabiha Gokcen flights
Reagan-National to Lisbon flights
Baltimore to Istanbul flights
Dulles Intl to Munich flights
Dulles Intl to Bruxelles-National flights
Baltimore to Barcelona-El Prat flights
Baltimore to Lisbon flights
Philadelphia to Madrid flights
Baltimore to Athens flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Vienna flights
Reagan-National to Athens flights
Reagan-National to Keflavik Intl flights
Philadelphia to Athens flights
Dulles Intl to Malpensa 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$511FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$477Average$631FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$506Average$1,272FlexibilityNo cancel feeOn-time69%
KLMCheapest$520Average$615FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$520Average$793FlexibilityNo cancel feeOn-time72%
IberiaCheapest$579Average$767FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$585Average$770FlexibilityNo cancel feeOn-time70%
FinnairCheapest$599Average$751FlexibilityNo cancel feeOn-time76%
DeltaCheapest$609Average$982FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$636Average$774FlexibilityNo cancel feeOn-time71%

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.