HRL - LHR

£659 Find Cheap Flights from Harlingen to London – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£659
Typical prices: £694-£874
Iberia
Thu 15/2Thu 22/2
HRL - LHR • 1 stop
Direct flights
Not available
There are currently no direct flights between Harlingen and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 37% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg £836 (return)
Houston George Bush Intcntl (IAH)
Shortest trip • 13h 20m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Harlingen to London (HRL-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Harlingen to London

Mon, 15 Feb - Mon, 22 Feb
Iberia Logo
14:48 - 12:00HRL  Harlingen Valley Intl-LHR London Heathrow
15h 12m1 stop Dallas/Fort Worth
Iberia Logo
11:25 - 10:03LHR  London Heathrow-HRL Harlingen Valley Intl
28h 38m2 stops Madrid Barajas Dallas/Fort Worth
£659Iberia
Tue, 26 Jan - Tue, 2 Feb
Iberia Logo
10:35 - 06:50HRL  Harlingen Valley Intl-LHR London Heathrow
14h 15m1 stop Dallas/Fort Worth
Iberia Logo
06:05 - 22:54LHR  London Heathrow-HRL Harlingen Valley Intl
22h 49m2 stops Madrid Barajas Dallas/Fort Worth
£659Iberia
Tue, 26 Jan - Tue, 2 Feb
Iberia Logo
14:50 - 12:05HRL  Harlingen Valley Intl-LHR London Heathrow
15h 15m2 stops Dallas/Fort Worth Madrid Barajas
Iberia Logo
07:30 - 22:54LHR  London Heathrow-HRL Harlingen Valley Intl
21h 24m2 stops Madrid Barajas Dallas/Fort Worth
£665Iberia
Tue, 26 Jan - Tue, 2 Feb
Iberia Logo
14:50 - 12:00HRL  Harlingen Valley Intl-LHR London Heathrow
15h 10m1 stop Dallas/Fort Worth
Iberia Logo
13:50 - 22:54LHR  London Heathrow-HRL Harlingen Valley Intl
15h 04m1 stop Dallas/Fort Worth
£668Iberia
Wed, 6 Jan - Wed, 20 Jan
Iberia Logo
10:35 - 12:00HRL  Harlingen Valley Intl-LHR London Heathrow
19h 25m1 stop Dallas/Fort Worth
Iberia Logo
19:40 - 10:05LHR  London Heathrow-HRL Harlingen Valley Intl
20h 25m2 stops Madrid Barajas Dallas/Fort Worth
£690Iberia
Thu, 14 Jan - Tue, 19 Jan
Iberia Logo
10:35 - 10:00HRL  Harlingen Valley Intl-LHR London Heathrow
17h 25m1 stop Dallas/Fort Worth
Iberia Logo
07:30 - 22:54LHR  London Heathrow-HRL Harlingen Valley Intl
21h 24m2 stops Madrid Barajas Dallas/Fort Worth
£696Iberia
Mon, 15 Feb - Mon, 22 Feb
United Airlines Logo
16:24 - 06:40HRL  Harlingen Valley Intl-LHR London Heathrow
32h 16m2 stops Houston George Bush Intcntl Washington, D.C. Reagan-National
United Airlines Logo
13:30 - 19:29LHR  London Heathrow-HRL Harlingen Valley Intl
59h 59m2 stops Frankfurt am Main Houston George Bush Intcntl
£702United Airlines
Thu, 14 Jan - Tue, 19 Jan
Iberia Logo
14:50 - 12:05HRL  Harlingen Valley Intl-LHR London Heathrow
15h 15m2 stops Dallas/Fort Worth Madrid Barajas
Iberia Logo
07:30 - 22:54LHR  London Heathrow-HRL Harlingen Valley Intl
21h 24m2 stops Madrid Barajas Dallas/Fort Worth
£703Iberia
Thu, 14 Jan - Tue, 19 Jan
Iberia Logo
14:50 - 08:15HRL  Harlingen Valley Intl-LHR London Heathrow
11h 25m1 stop Dallas/Fort Worth
Iberia Logo
11:15 - 22:54LHR  London Heathrow-HRL Harlingen Valley Intl
17h 39m1 stop Dallas/Fort Worth
£704Iberia
Wed, 6 Jan - Wed, 20 Jan
United Airlines Logo
07:00 - 07:10HRL  Harlingen Valley Intl-LHR London Heathrow
18h 10m2 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
07:30 - 21:59LHR  London Heathrow-HRL Harlingen Valley Intl
20h 29m2 stops Frankfurt am Main Houston George Bush Intcntl
£706United Airlines
Booking Insights

Price, demand, and travel trends for Harlingen to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Harlingen to London Heathrow Airport?

Return flights from Harlingen to London Heathrow Airport typically range from £694 to £874. The lowest price found in the past 5 days was £659 on Iberia.

What's the cheapest day of the week to fly from Harlingen to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Harlingen to London Heathrow Airport. It’s 17% cheaper than the average day, while Thursday is the most expensive, with prices 52% higher.

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Key details for Harlingen to London Heathrow Airport flights

Cheapest flight

£659
The most popular month to fly with an average 33% increase in traveller numbers.
Round-trip flight from Harlingen to London Heathrow Airport

When to book flights from Harlingen to London

Are your dates flexible? Find out the best times to travel from Harlingen to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Harlingen to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Harlingen to London Heathrow Airport?

    A direct flight from Harlingen to London Heathrow Airport takes 00m, covering 5,109 miles.

  • Do I need a passport to fly from Harlingen to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Harlingen to London Heathrow Airport flight?

    Return flights from Harlingen to London Heathrow Airport range from £694 to £874, with an average of £829 over the past 12 months. Anything below £694 counts as a good deal.

  • Have flight prices from Harlingen to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £659 to £3,242. That means the highest observed fare was about 5x higher than the lowest one.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Harlingen to London Heathrow Airport?

    Flights from Harlingen to London Heathrow Airport usually depart from Harlingen Valley Intl (HRL) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Harlingen to London Heathrow Airport pass through?

    Connecting flights from Harlingen to London Heathrow Airport most commonly pass through:

    • Dallas/Fort Worth (DFW) – 57% of one-stop connections
    • Houston George Bush Intcntl (IAH) – 43% of one-stop connections

  • Can I save money by using flexible dates for flights from Harlingen to London Heathrow Airport?

    Yes. Flexible dates can save you up to 46% on flights from Harlingen to London Heathrow Airport. Monday is the cheapest departure day at £694 return on average, while Thursday is the most expensive at £1,264, a difference of £570.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Harlingen to London Heathrow Airport?

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time of 13h 20m, compared to 13h 41m via Dallas/Fort Worth (DFW).

  • What is the time difference between Harlingen and London Heathrow Airport?

    London Heathrow Airport is 6 hours ahead of Harlingen (British Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking Harlingen to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average £694, about £570 less than Thursday fares (45% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Harlingen to London Heathrow Airport trip for March. Fares historically average £526 return in that month – typically £738 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from Harlingen to London

Complete your trip to London with a hotel stay or car hire

Car hire in London
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