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Cheap flights from Baltimore to London Heathrow Airport from £183

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or March, booked 37 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Baltimore to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 April 2025.

Round-trip from

£473

One-way from

£183

Popular in

June

Cheapest in

January

Average price

£550
5/5-12/5
  • 5/5-12/5
  • 3 total stops
  • 50h 06m total
  • Baltimore to London
Icelandair
  • Icelandair
  • 12/5
  • 1 total stop
  • 10h 25m total
  • Baltimore to London
Highest demand for flights based on searches. 16% potential increase in price (£86 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Baltimore to Heathrow

Cheapest flights from Baltimore to Heathrow
Explore the most affordable flight options available from Baltimore to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Wed 1/1020:30BWI - LHR
1 stop18h 50mIcelandair
Thu 30/1020:40LHR - BWI
1 stop26h 50mIcelandair
Deal found 29/4£466
Wed 17/921:20BWI - LHR
Nonstop7h 15mIberia
Thu 25/916:35LHR - BWI
Nonstop8h 00mIberia
Deal found 29/4£468
Mon 5/520:30BWI - LHR
1 stop10h 25mMultiple Airlines
Mon 12/520:50LHR - BWI
2 stops39h 41mMultiple Airlines
Deal found 29/4£473
Wed 24/921:20BWI - LHR
Nonstop7h 15mAmerican Airlines
Wed 1/1009:15LHR - BWI
1 stop11h 40mAmerican Airlines
Deal found 29/4£474
Tue 29/721:20BWI - LHR
Nonstop7h 15mFinnair
Wed 27/816:35LHR - BWI
Nonstop8h 00mFinnair
Deal found 29/4£475
Mon 4/811:52BWI - LHR
1 stop13h 53mDelta
Wed 13/812:25LHR - BWI
1 stop14h 18mDelta
Deal found 29/4£479
Wed 3/921:20BWI - LHR
Nonstop7h 15mBritish Airways
Wed 17/916:35LHR - BWI
Nonstop8h 00mBritish Airways
Deal found 29/4£482
Tue 29/717:20BWI - LHR
1 stop32h 00mUnited Airlines
Wed 27/808:40LHR - BWI
2 stops18h 02mUnited Airlines
Deal found 29/4£495
Wed 20/814:10BWI - LHR
1 stop11h 35mVirgin Atlantic
Tue 26/809:40LHR - BWI
2 stops16h 13mVirgin Atlantic
Deal found 29/4£517
Wed 20/813:00BWI - LHR
2 stops22h 00mScandinavian Airlines
Wed 27/806:40LHR - BWI
2 stops20h 03mScandinavian Airlines
Deal found 29/4£535

Cheapflights Fare Finder

Customise your flight search to find flights from Baltimore to Heathrow 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 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Baltimore to London Heathrow Airport that are best for you.

Fly from

Baltimore

Fly to

Heathrow

Route

Depart

Return

Price

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 5/5

20:30-11:55

1 stop10h 25m

London Heathrow

Mon 12/5

20:50-07:31

2 stops39h 41m

£473

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 6/5

20:30-20:20

1 stop18h 50m

London Heathrow

Tue 13/5

21:25-19:25

1 stop27h 00m

£476

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 13/5

14:29-06:45

1 stop11h 16m

London Heathrow

Fri 30/5

12:45-19:07

1 stop11h 22m

£482

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 24/7

21:20-09:35

Nonstop7h 15m

London Heathrow

Wed 13/8

16:35-19:35

Nonstop8h 00m

£494

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 13/5

21:20-09:35

Nonstop7h 15m

London Heathrow

Tue 20/5

09:15-16:37

1 stop12h 22m

£503

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 13/5

10:50-06:45

2 stops14h 55m

London Heathrow

Tue 20/5

08:30-21:37

2 stops18h 07m

£504

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 27/7

19:50-12:30

1 stop11h 40m

London Heathrow

Tue 12/8

17:10-23:09

2 stops34h 59m

£543

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 13/5

16:47-11:25

2 stops13h 38m

London Heathrow

Fri 30/5

13:50-00:48

2 stops15h 58m

£552

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 7/5

21:20-09:35

Nonstop7h 15m

London Heathrow

Wed 14/5

16:35-19:35

Nonstop8h 00m

£559

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 12/5

20:30-11:55

1 stop10h 25m

£183

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 17 results
1
2

Best time to book a flight from Baltimore to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Baltimore with our price prediction graph.
Estimated return 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Baltimore to Heathrow. Price data was last updated on 25 April 2025.

The price you pay for your flight from Baltimore to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 37 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 Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of £112). Flying from Baltimore to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from Baltimore to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s optimal to fly from Baltimore to London Heathrow Airport in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Baltimore to London Heathrow Airport

Explore weekly flight availability from Baltimore to Heathrow. 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 30 April 2025.

The most flights from BWI to LHR 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 Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 30 April 2025.
Peruse reviews from past customers who have flown with Delta, Finnair 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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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.
8.0
Very Good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

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

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

    Baltimore/Washington (BWI) is the airport you will fly out of if you book a flight from Baltimore to London Heathrow. You should not have trouble finding flights to London Heathrow from Baltimore/Washington; the airport handles an average of 5 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Baltimore airport to London Heathrow. It is only a 8.5 mi journey to Baltimore/Washington (BWI) from Baltimore’s city center.

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

    Cheapflights users have booked flights from Baltimore to London Heathrow Airport round-trip from £476. Other airlines that can offer you cheap pricing are Delta, from £482, and Iberia, from £494. Icelandair is priced at 17% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £183. Users have also found prices from £271 and £275 on Iberia and Delta, respectively.

  • What are the most reliable airlines from Baltimore to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Baltimore, check out the most reliable airlines to get you to your destination on time: American Airlines (55%), Aer Lingus (55%), Finnair( 55%).

  • What are the cheapest flights from Baltimore to London Heathrow Airport?

    The cheapest flight price from Baltimore to London Heathrow Airport is £318. On average you can expect to pay £475. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for £430.

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

    Yes. In addition to deals on Baltimore to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Baltimore to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of £112). Flying from Baltimore to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Southend-on-Sea
Ilford
Crawley
Hayes
Ipswich
Watford
Wembley
Swindon
Folkestone
Maidstone
Winchester

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Baltimore to Heathrow

Discover the top 4 airlines that operate flights from Baltimore to Heathrow. 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 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£357Average£564FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£415Average£619FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£426Average£600FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£463Average£680FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Baltimore to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from Baltimore to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Baltimore to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Baltimore to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Baltimore to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Baltimore to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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