Find flights
Travel Guide

£657+ Cheap flights to Harlingen

— HRL
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Harlingen in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Harlingen

Wed 4/1109:30 -
2 stops19h 18m
Sun 8/1117:25 -
1 stop32h 15m
Deal found 17/9£911
Sat 3/1008:30 -
2 stops19h 22m
Wed 7/1007:15 -
2 stops17h 15m
Deal found 18/9£967
Sat 3/1008:55 -
1 stop19h 53m
Wed 7/1018:42 -
1 stop13h 43m
Deal found 18/9£976
Sat 3/1008:00 -
2 stops19h 52m
Wed 7/1014:00 -
1 stop11h 45m
Deal found 18/9£980
Tue 20/1007:30 -
2 stops20h 22m
Tue 27/1013:59 -
1 stop15h 16m
Deal found 20/9£1,033

Find flight deals to Harlingen

Return from

£911

One-way from

£657
United Airlines
  • United Airlines
  • 4/11-8/11
  • 3 total stops
  • 51h 33m total
  • London to Harlingen
Search Deals
United Airlines
  • United Airlines
  • 4/1-31/12
  • 2 total stops
  • 49h 24m total
  • London to Harlingen
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Harlingen that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Fri 1/1

16:20-16:03

2 stops29h 43m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£707

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Sun 3/1

18:00-15:34

2 stops51h 34m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£765
Fastest return journey

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Sun 20/12

13:50-22:49

1 stop14h 59m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£884

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Sun 20/12

12:15-13:40

3 stops31h 25m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£902

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Wed 4/11

09:30-22:48

2 stops19h 18m

Harlingen Valley Intl

Sun 8/11

17:25-07:40

1 stop32h 15m

£911

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Sat 2/1

18:00-16:03

2 stops52h 03m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£964

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Sat 3/10

08:30-21:52

2 stops19h 22m

Harlingen Valley Intl

Wed 7/10

07:15-06:30

2 stops17h 15m

£967

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Sat 2/1

10:00-19:39

1 stop15h 39m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,019

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Mon 4/1

18:00-16:16

3 stops52h 16m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,041

LondonHarlingen

LHR London Heathrow - HRL Harlingen Valley Intl

LHRHRL

London Heathrow

Fri 1/1

18:00-16:03

3 stops28h 03m

Harlingen Valley Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£5,212

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Sorted by cheapest first

Best time to book a flight to Harlingen

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

Cheapflights Insights

Everything you need to know about your flight to Harlingen

How long is the flight to Harlingen?

On average, a flight from London to Harlingen takes 19 hours 18 minutes. Flights to Harlingen from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Harlingen by month

In terms of precipitation, rainfall in Harlingen ranges from 28.0 - 132.0 inches per month. September is typically the wettest month, when rainfall can reach 132.0 mm. January is typically the driest time to visit Harlingen when rainfall is around 28.0 mm.

Temperature in Harlingen by month

If weather is an important factor for your trip to Harlingen, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

FAQs about flying to Harlingen

Getting around Harlingen

Texas is a big place, to visitors should really rent a car if they want to make the most out of their stay. Reaching the Gulf Coast and towns like Austin will be much easier with a rental car. However, if you want to stay in town, then the malls and downtown can be accessed on foot or by bike, and Harlingen is a pretty cycle-friendly destination.

Getting from the Airport to the City

There are no scheduled public bus services from Valley International Airport (HRL), but getting into town or to resort hotels will not be a problem. There are a number of shuttle bus providers, and book a place in advance to eliminate any stress when you arrive. Alternatively, cabs will meet most arrivals and the major car rental outlets are all represented at the arrivals terminal.

  • What airport do you fly into for flights to Harlingen?

    Harlingen Valley Intl (HRL), located 3.7 mi from the city center, is the airport you fly into when you book flights to Harlingen.

  • Can I find cheaper flights to Harlingen if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Harlingen on Cheapflights that require 1 or 2 stops for potential cost savings.

  • Where does the fastest flight to Harlingen depart from?

    For those looking to save time traveling to Harlingen, London offers the quickest one-way flight (19 hours 18 minutes).

  • Does Harlingen Valley Intl have car hire?

    Yes. Those touching down at Harlingen Valley Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Harlingen Valley Intl?

    Yes. Harlingen Valley Intl has hotels nearby for those requiring accommodations. Harlingen Hideaway – Your Home Away from Home -family and pet friendly is the closest property to Harlingen Valley Intl (1.0 mi away from Harlingen Valley Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Search flights to Harlingen by cabin class

First Class flights to Harlingen
Business Class flights to Harlingen
Prem Economy Class flights to Harlingen
Economy Class flights to Harlingen

Fly with Cheapflights

How does Cheapflights help users find flights to Harlingen?

Cheapflights makes it easy to find 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 to Harlingen?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Harlingen for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Harlingen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Harlingen flexibly with Cheapflights today.

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

Yes! Start tracking prices for Harlingen flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.