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Cheap flights from London to Harlingen from £715

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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HRL
16 Jul — 23 Jul1
1 adult

Cheap flight deals from London to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Harlingen (HRL). 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 11 July 2025.

Round-trip from

£811

One-way from

£715
United Airlines
  • United Airlines
  • 1/10-25/10
  • 4 total stops
  • 37h 43m total
  • London to Harlingen
17/7
  • 17/7
  • 2 total stops
  • 20h 01m total
  • London to Harlingen

Find flight deals from London to Harlingen

Cheapest flights from London to Harlingen
Explore the most affordable flight options available from London to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Wed 1/1009:30LHR - HRL
2 stops19h 48mUnited Airlines
Sat 25/1007:00HRL - LHR
2 stops17h 55mUnited Airlines
Deal found 11/7£811
Thu 17/708:20LHR - HRL
1 stop13h 37mIberia
Tue 22/716:27HRL - LHR
1 stop12h 23mIberia
Deal found 9/7£1,185
Thu 17/708:20LHR - HRL
1 stop13h 37mMultiple Airlines
Tue 22/716:27HRL - LHR
2 stops14h 13mMultiple Airlines
Deal found 9/7£1,303

Cheapflights Fare Finder

Customise your flight search to find flights from London to Harlingen 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 11 July 2025.
Use the filters below to find and compare flights from London to Harlingen that are best for you.

Fly from

London

Fly to

Harlingen

Route

Depart

Return

Price

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 1/10

09:30-23:18

2 stops19h 48m

Harlingen Valley Intl

Sat 25/10

07:00-06:55

2 stops17h 55m

£811

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 17/7

10:05-00:06

2 stops20h 01m

£715

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 17/7

14:10-00:06

2 stops15h 56m

£737

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight from London to Harlingen

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

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. 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 Harlingen. Reviews last updated 11 July 2025.
Check out reviews from past customers who have flown with United Airlines and Iberia from London to Harlingen 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.

Entertainment

7.0

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sept 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Entertainment

7.0

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sept 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Entertainment

7.0

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sept 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

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

    Located just 3.7 mi from the city center, Harlingen Valley Intl is the airport most travelers will use when flying to Harlingen from London. Booking flights from London to Valley Intl (HRL) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.

  • What is the cheapest airline to fly from London to Harlingen, Texas round-trip?

    Cheapflights users have booked flights from London to Harlingen, Texas round-trip from £811.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Harlingen 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

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Alternative routes for London to Harlingen

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How does Cheapflights help users find flights from London to Harlingen?

Cheapflights makes it easy to find London to Harlingen flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from London to Harlingen 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 London to Harlingen with no change fees?

Yes! Cheapflights helps users easily find flights from London to Harlingen with no change fees.

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

Yes! Start tracking prices for London to Harlingen flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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