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Cheap flights from Harlingen to London from £431

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — LON
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Harlingen to London

Enter your travel dates to find the best prices.

Cheapest flights from Harlingen to London
Explore the most affordable flight options available from Harlingen to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2026.

Sun 6/1217:16
HRL
-
LHR
1 stop32h 14m
United Airlines
Wed 9/1207:30
LHR
-
HRL
2 stops41h 59m
United Airlines
Deal found 22/4£625
Sun 20/910:45
HRL
-
LHR
1 stop16h 20m
Iberia
Wed 30/906:15
LHR
-
HRL
2 stops19h 21m
Iberia
Deal found 21/4£645
Sun 20/907:27
HRL
-
LHR
2 stops17h 03m
Air Canada
Wed 30/908:30
LHR
-
HRL
2 stops34h 53m
Air Canada
Deal found 21/4£659
Thu 24/905:05
HRL
-
LHR
1 stop24h 30m
United Airlines
Wed 7/1009:30
LHR
-
HRL
2 stops36h 28m
United Airlines
Deal found 21/4£682
Thu 24/917:18
HRL
-
LHR
2 stops34h 42m
Air Canada
Wed 7/1009:30
LHR
-
HRL
2 stops36h 28m
Air Canada
Deal found 18/4£705
Tue 19/507:00
HRL
-
LHR
2 stops17h 30m
United Airlines
Thu 4/606:55
LHR
-
HRL
2 stops20h 59m
United Airlines
Deal found 21/4£756

Find flight deals from Harlingen to London

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to London (LON). 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 23 April 2026.

Round-trip from

£645

One-way from

£431
Iberia
  • Iberia
  • 20/9-30/9
  • 3 total stops
  • 35h 41m total
  • Harlingen to London
Search Deals
United Airlines
  • United Airlines
  • 2/5
  • 1 total stop
  • 32h 27m total
  • Harlingen to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Harlingen to London 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 23 April 2026.
Use the filters below to find and compare flights from Harlingen to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 24/9

05:05-11:35

1 stop24h 30m

London Heathrow

Wed 7/10

09:30-15:58

2 stops36h 28m

£682

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 21/5

07:20-09:35

2 stops20h 15m

London Heathrow

Thu 4/6

07:25-19:49

2 stops18h 24m

£816

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 21/5

07:20-11:50

2 stops22h 30m

London Heathrow

Fri 5/6

06:55-21:54

2 stops20h 59m

£816

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Tue 19/5

07:00-06:30

2 stops17h 30m

London Heathrow

Sun 31/5

13:40-21:54

1 stop14h 14m

£821

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 21/5

07:20-09:35

2 stops20h 15m

London Heathrow

Tue 2/6

10:00-19:49

1 stop15h 49m

£837

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 21/5

07:20-09:35

2 stops20h 15m

London Heathrow

Wed 3/6

10:00-19:49

1 stop15h 49m

£837

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Sat 23/5

17:20-07:45

1 stop32h 25m

London Heathrow

Wed 3/6

07:25-19:49

2 stops18h 24m

£887
Fastest return journey

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Mon 18/5

07:00-05:55

2 stops16h 55m

London Heathrow

Sat 6/6

13:40-21:54

1 stop14h 14m

£896
Cheapest one-way

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Sat 2/5

17:18-07:45

1 stop32h 27m

£431

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Sat 2/5

07:00-06:30

3 stops17h 30m

£468

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Harlingen to London

Have a flexible travel schedule? Discover the best time to fly to London from Harlingen 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 Harlingen to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to London. 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 Harlingen to London?

    If you book a flight to London from Harlingen, you will be flying from Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 3.7 mi from the center of Harlingen. There are 0 flights from Valley Intl to London per day from 0 different airlines.

  • How long is the flight from Harlingen to London?

    There are many flights that can get you from Harlingen to London in 24h 30m. Fly via United Airlines to get the fastest option. There are 5109 mi between Harlingen and London.

  • Can I find deals for flights from Harlingen to London that include hotel bookings?

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

  • How can I find direct flights from Harlingen to London?

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

  • Can I find deals for business class flights from Harlingen to London?

    Yes. Cheapflights offers flight deals from Harlingen to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
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Colchester
Watford
Kingston upon Thames
Romford
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Guildford
Bishop's Stortford
Chelmsford

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Why should you use Cheapflights to find cheap flight tickets from Harlingen to London?

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Can Cheapflights find flights from Harlingen to London with no change fees?

Certainly. Search results for flights to London from Harlingen shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Harlingen to London become cheaper?

Of course! You can now track prices for flights from Harlingen to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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