£912+ Cheap flights to Harlingen
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Harlingen in 2026
Cheapest flights to HarlingenExplore the most affordable flight options available to Harlingen. Find the lowest fares based on data from user searches, with prices last updated on 5 October 2026.
Explore the most affordable flight options available to Harlingen. Find the lowest fares based on data from user searches, with prices last updated on 5 October 2026.
Best flights to HarlingenDiscover carefully curated flight deals to Harlingen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.
Discover carefully curated flight deals to Harlingen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.
Last-minute flights to HarlingenDiscover last-minute flight deals to Harlingen. Data last updated 5 October 2026 and is based on user searches.
Discover last-minute flight deals to Harlingen. Data last updated 5 October 2026 and is based on user searches.
One-way flights to HarlingenSearch for one-way flight options to Harlingen. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.
Search for one-way flight options to Harlingen. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.
Find flight deals to Harlingen
Find the latest flights to Harlingen in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 7,457,451 searches and data was last updated on 5 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights to Harlingen that are best for you.
Fly from
Route
Depart
Return
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Wed 4/11
07:30-13:21
2 stops35h 51m
Harlingen Valley Intl
Sun 8/11
17:25-20:35
2 stops21h 10m
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Fri 22/1
11:15-22:54
1 stop17h 39m
Harlingen Valley Intl
Fri 5/2
16:35-06:30
2 stops55h 55m
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Fri 30/10
06:35-22:48
2 stops21h 13m
Harlingen Valley Intl
Fri 6/11
05:05-05:55
2 stops18h 50m
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Mon 19/10
12:05-13:23
2 stops31h 18m
Harlingen Valley Intl
Wed 31/12
00:00-07:00
Nonstop0h 00m
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Tue 20/10
12:55-22:50
1 stop15h 55m
Harlingen Valley Intl
Wed 31/12
00:00-07:00
Nonstop0h 00m
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Mon 19/10
06:55-21:52
2 stops20h 57m
Harlingen Valley Intl
Wed 31/12
00:00-07:00
Nonstop0h 00m
LondonHarlingen
LHR London Heathrow - HRL Harlingen Valley Intl
LHRHRL
London Heathrow
Wed 21/10
13:40-15:59
1 stop32h 19m
Harlingen Valley Intl
Wed 31/12
00:00-07:00
Nonstop0h 00m
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.
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 13 hours 34 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
Plan your trip to Harlingen by taking into account the average rainfall totals 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
Plan your trip to Harlingen by taking into account the average temperature totals 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.
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Popular United States flight routes
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