When did momondo last update prices for flights from London Heathrow Airport to Harlingen Valley Intl Airport?

Prices for flights from London Heathrow Airport to Harlingen Valley Intl Airport were last updated today.

How old do you have to be to fly from London Heathrow Airport to Harlingen Valley Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Harlingen Valley Intl Airport.

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

The travel and health documents you'll need for your trip to Harlingen Valley Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Harlingen Valley Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£720 Cheap Flights from London Heathrow Airport to Harlingen, Texas in 2025

1 adult

0 bags

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Find the cheapest flights from London Heathrow Airport to Harlingen

Round-trip

One-way

Cheap return flights

09:30 - 10:59LHR-HRL

31h 29m2 stops

07:27 - 05:55HRL-LHR

16h 28m2 stops

£720United Airlines

Find Deal

Wed, 5 Nov - Tue, 13 Jan

06:30 - 21:54LHR-HRL

21h 24m2 stops

12:00 - 07:30HRL-LHR

13h 30m1 stop

£722United Airlines

Find Deal

Thu, 6 Nov - Wed, 14 Jan

16:40 - 21:54LHR-HRL

35h 14m2 stops

12:00 - 10:15HRL-LHR

16h 15m1 stop

£727United Airlines

Find Deal

Wed, 5 Nov - Wed, 14 Jan

10:00 - 19:39LHR-HRL

15h 39m1 stop

07:27 - 07:30HRL-LHR

18h 03m1 stop

£743United Airlines

Find Deal

Wed, 5 Nov - Tue, 13 Jan

10:00 - 19:39LHR-HRL

15h 39m1 stop

07:27 - 07:30HRL-LHR

18h 03m1 stop

£744United Airlines

Find Deal

Wed, 5 Nov - Wed, 14 Jan

14:55 - 09:45LHR-HRL

24h 50m1 stop

05:48 - 08:15HRL-LHR

20h 27m1 stop

£775Iberia

Find Deal

Thu, 6 Nov - Wed, 14 Jan

United Airlines flights from London Heathrow Airport to Harlingen, Texas

Our best United Airlines deals on London Heathrow Airport to Harlingen, Texas flight tickets

United Airlines

5 Nov

LHR09:30London Heathrow

31h 29m

2 stops

HRL10:59Harlingen Valley Intl

13 Jan

HRL07:27Harlingen Valley Intl

16h 28m

2 stops

LHR05:55London Heathrow

£720

Find similar

United Airlines

6 Nov

LHR06:30London Heathrow

21h 24m

2 stops

HRL21:54Harlingen Valley Intl

14 Jan

HRL12:00Harlingen Valley Intl

13h 30m

1 stop

LHR07:30London Heathrow

£722

Find similar

United Airlines

5 Nov

LHR16:40London Heathrow

35h 14m

2 stops

HRL21:54Harlingen Valley Intl

14 Jan

HRL12:00Harlingen Valley Intl

16h 15m

1 stop

LHR10:15London Heathrow

£727

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 5/11

09:30-10:59

2 stops31h 29m

Harlingen Valley Intl

Tue 13/1

07:27-05:55

2 stops16h 28m

£720

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 6/11

06:30-21:54

2 stops21h 24m

Harlingen Valley Intl

Wed 14/1

12:00-07:30

1 stop13h 30m

£722

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 5/11

16:40-21:54

2 stops35h 14m

Harlingen Valley Intl

Wed 14/1

12:00-10:15

1 stop16h 15m

£727

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 5/11

10:00-19:39

1 stop15h 39m

Harlingen Valley Intl

Tue 13/1

07:27-07:30

1 stop18h 03m

£743

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 5/11

10:00-19:39

1 stop15h 39m

Harlingen Valley Intl

Wed 14/1

07:27-07:30

1 stop18h 03m

£744

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 6/11

14:55-09:45

1 stop24h 50m

Harlingen Valley Intl

Wed 14/1

05:48-08:15

1 stop20h 27m

£775

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Harlingen, Texas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart from London Heathrow Airport to Harlingen, Texas is on a Friday when prices can be found for as low as £887. The most expensive day to fly to Harlingen, Texas is Wednesday, with ticket prices averaging around £948.

When to book flights from London Heathrow Airport to Harlingen, Texas

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Harlingen, Texas according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Harlingen, Texas (LHR to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Harlingen, Texas

Best price found	£720
Fastest flight time	15h 39m
Direct flights	None
Airports in Harlingen, Texas	1 airport

The best flight deal from London Heathrow Airport to Harlingen, Texas found on momondo in the last 72 hours is £720

The fastest flight from London Heathrow Airport to Harlingen, Texas takes 15h 39m

There are no direct flights from London Heathrow Airport to Harlingen, Texas. Popular non-direct route for this connection is London Heathrow Airport - Harlingen Valley Intl Airport.

There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)

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How far is London Heathrow to Harlingen Valley Intl by plane?
London Heathrow and Harlingen Valley Intl are 5112.7 mi apart from one another. 15h 39m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to Harlingen Valley Intl Airport?
Prices for flights from London Heathrow Airport to Harlingen Valley Intl Airport were last updated today.
How old do you have to be to fly from London Heathrow Airport to Harlingen Valley Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The travel and health documents you'll need for your trip to Harlingen Valley Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Harlingen Valley Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Harlingen?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Harlingen . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Harlingen with flexible booking policies on momondo?

Yes. All flights to Harlingen from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Harlingen?

momondo provides multiple filters to help you find the best flight to Harlingen from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Harlingen right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Harlingen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.