This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Harlingen departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Return
1 adult
Economy
0 bags
Thu 13/6
Thu 20/6
Search hundreds of travel sites at once for deals on flights to Harlingen
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Harlingen, as well as popular online travel agencies
...and more
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Harlingen, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,771,603 times on KAYAK, and here's why:
Save 28% or moreCompare multiple travel sites with one search.
Filter your dealsChoose cabin class, free Wi-Fi and more.
Bundle and saveSave money when you bundle your flight + hotel.
Cheap flight deals from London to Harlingen (LHR-HRL)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Are your dates flexible? Find out the best times to travel from London to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
FAQs for booking London to Harlingen flights
What is the cheapest flight from London Heathrow Airport to Harlingen, Texas?
In the last 3 days, the lowest price for a flight from London Heathrow Airport to Harlingen, Texas was £979 for a one-way ticket and £949 for a return.
Which airports will I be using when flying from London to Harlingen?
When flying out of London you will be using London Heathrow. You will be landing at Harlingen, also known as Harlingen Valley Intl.
Which aircraft models fly most regularly from London to Harlingen?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from London to Harlingen?
oneworld is the only airline alliance operating flights between London and Harlingen.
How does KAYAK find such low prices on flights from London to Harlingen?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Harlingen.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Harlingen?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from London is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from London to Harlingen?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Harlingen with an airline and back to London with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Harlingen?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
See more FAQs
Book cheap flights from London to Harlingen
Cheapest flights to Harlingen from London found in 2024
Recent one-way flight deals
Only flying one-way? Below are some of the best one-way flight deals from London to Harlingen found on KAYAK in the last 72 hours.