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Cheap flights from Baltimore to London Heathrow Airport from £178

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or October, 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 25 March 2025.

Round-trip from

£399

One-way from

£178

Popular in

June

Cheapest in

January

Average price

£534
4/5-8/5
  • 4/5-8/5
  • 4 total stops
  • 27h 50m total
  • Baltimore to London
30/3
  • 30/3
  • 2 total stops
  • 19h 00m total
  • Baltimore to London
Highest demand for flights based on searches. 17% potential increase in price (£96 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in March 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 25 March 2025.

Sun 4/518:50BWI - LHR
2 stops12h 50mMultiple Airlines
Thu 8/507:40LHR - BWI
2 stops15h 00mMultiple Airlines
Deal found 24/3£399
Tue 29/420:30BWI - LHR
1 stop18h 50mIcelandair
Wed 7/521:25LHR - BWI
1 stop27h 00mIcelandair
Deal found 23/3£420
Tue 29/421:20BWI - LHR
Nonstop7h 15mIberia
Wed 7/516:35LHR - BWI
Nonstop8h 00mIberia
Deal found 24/3£455
Tue 15/417:55BWI - LHR
1 stop10h 10mBritish Airways
Thu 1/516:35LHR - BWI
Nonstop8h 00mBritish Airways
Deal found 24/3£481
Mon 7/421:20BWI - LHR
Nonstop7h 15mFinnair
Tue 15/416:35LHR - BWI
Nonstop8h 00mFinnair
Deal found 24/3£485
Mon 21/406:15BWI - LHR
1 stop19h 05mUnited Airlines
Mon 28/408:40LHR - BWI
2 stops42h 02mUnited Airlines
Deal found 24/3£491
Mon 7/417:55BWI - LHR
1 stop10h 10mAmerican Airlines
Tue 15/416:35LHR - BWI
Nonstop8h 00mAmerican Airlines
Deal found 24/3£496
Wed 23/418:50BWI - LHR
1 stop13h 40mDelta
Wed 30/406:15LHR - BWI
2 stops17h 35mDelta
Deal found 24/3£499
Tue 29/412:47BWI - LHR
1 stop15h 08mVirgin Atlantic
Fri 9/511:30LHR - BWI
2 stops16h 50mVirgin Atlantic
Deal found 24/3£500
Sat 29/314:10BWI - LHR
2 stops26h 30mScandinavian Airlines
Mon 31/306:40LHR - BWI
2 stops20h 15mScandinavian Airlines
Deal found 24/3£502
Tue 20/514:29BWI - LHR
1 stop11h 16mKLM
Thu 29/509:40LHR - BWI
1 stop14h 27mKLM
Deal found 24/3£544

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 25 March 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

Sun 4/5

18:50-12:40

2 stops12h 50m

London Heathrow

Thu 8/5

07:40-17:40

2 stops15h 00m

£399

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 29/4

20:30-20:20

1 stop18h 50m

London Heathrow

Wed 7/5

21:25-19:25

1 stop27h 00m

£420

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 29/4

21:20-09:35

Nonstop7h 15m

London Heathrow

Wed 7/5

16:35-19:35

Nonstop8h 00m

£455

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 15/4

17:55-09:05

1 stop10h 10m

London Heathrow

Thu 1/5

16:35-19:35

Nonstop8h 00m

£481

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 7/4

21:20-09:35

Nonstop7h 15m

London Heathrow

Tue 15/4

16:35-19:35

Nonstop8h 00m

£485

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 21/4

06:15-06:20

1 stop19h 05m

London Heathrow

Mon 28/4

08:40-21:42

2 stops42h 02m

£491

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 7/4

17:55-09:05

1 stop10h 10m

London Heathrow

Tue 15/4

16:35-19:35

Nonstop8h 00m

£496

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 23/4

18:50-13:30

1 stop13h 40m

London Heathrow

Wed 30/4

06:15-18:50

2 stops17h 35m

£499

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 29/4

12:47-08:55

1 stop15h 08m

London Heathrow

Fri 9/5

11:30-23:20

2 stops16h 50m

£500

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 20/5

14:29-06:45

1 stop11h 16m

London Heathrow

Wed 28/5

12:45-23:58

1 stop16h 13m

£544

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 22 results
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2
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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 21 March 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 25 March 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.

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 25 March 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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.

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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.

Overall

8.0

Food

7.3

Comfort

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

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 3 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 £420. Other airlines that can offer you cheap pricing are Iberia, from £455, and British Airways, from £481. Icelandair is priced at 30% 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 £186. Users have also found prices from £293 and £311 on British Airways and Iberia, 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 (65%), Aer Lingus (65%), Finnair( 65%).

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

    The cheapest flight price from Baltimore to London Heathrow Airport is £275. On average you can expect to pay £1,383. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for £373.

  • 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
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Slough
Luton
Eastbourne
Northampton
Ilford
Swindon
Hayes
Crawley
Southend-on-Sea
Wembley
Maidstone
Winchester
Ipswich
Watford
Southall

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£371Average£574FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£430Average£661FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£442Average£623FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£480Average£705FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Baltimore today with Cheapflights!

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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