Cheap flights from London Heathrow Airport to Harlingen, Texas from £790
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to Harlingen
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 30 April 2025.
Find flight deals from Heathrow to Harlingen
Cheapest flights from Heathrow to HarlingenExplore the most affordable flight options available from Heathrow to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.
Explore the most affordable flight options available from Heathrow to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow 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 30 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonHarlingen
LHR - HRL
LHRHRL
London Heathrow
Tue 2/9
07:25-19:33
2 stops18h 08m
Harlingen Valley Intl
Thu 18/9
07:00-07:15
2 stops18h 15m
LondonHarlingen
LHR - HRL
LHRHRL
London Heathrow
Tue 2/9
08:20-22:48
1 stop20h 28m
Harlingen Valley Intl
Thu 18/9
09:59-09:00
1 stop17h 01m
LondonHarlingen
LHR - HRL
LHRHRL
London Heathrow
Sat 6/9
14:10-16:02
3 stops31h 52m
Harlingen Valley Intl
Sat 20/9
17:25-06:30
2 stops31h 05m
Best time to book a flight from Heathrow to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Harlingen
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, Texas 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, Texas 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, Texas, 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).
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 30 April 2025.
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
FERNANDO,Sept 2024
YYC - IAH
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
FERNANDO,Sept 2024
YYC - IAH
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
FERNANDO,Sept 2024
YYC - IAH
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to Harlingen
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Heathrow to Harlingen?
Cheapflights helps you search for flights from Heathrow to Harlingen via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Harlingen?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Harlingen.
Can Cheapflights find flights from Heathrow to Harlingen with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Harlingen, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Heathrow to Harlingen become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Harlingen from Heathrow today and book when prices fit your budget.