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.

£794 Cheap Flights from London Heathrow Airport to Harlingen, Texas in 2025/26

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Find the cheapest flights from London Heathrow Airport to Harlingen

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:40 - 23:21

LHR

HRL

33h 41m2 stops

11:06 - 11:40

HRL

LHR

18h 34m1 stop

£794Iberia

Thu, 22 Jan - Mon, 26 Jan

19:40 - 23:21

LHR

HRL

33h 41m2 stops

11:06 - 10:00

HRL

LHR

16h 54m1 stop

£796Iberia

Thu, 22 Jan - Mon, 26 Jan

10:05 - 23:21

LHR

HRL

19h 16m1 stop

15:22 - 10:00

HRL

LHR

12h 38m1 stop

£801Iberia

Thu, 22 Jan - Mon, 26 Jan

08:20 - 18:14

LHR

HRL

15h 54m1 stop

15:22 - 11:40

HRL

LHR

14h 18m1 stop

£802Iberia

Thu, 22 Jan - Mon, 26 Jan

19:40 - 23:21

LHR

HRL

33h 41m2 stops

11:06 - 13:30

HRL

LHR

20h 24m2 stops

£806Iberia

Thu, 22 Jan - Mon, 26 Jan

07:30 - 21:59

LHR

HRL

20h 29m2 stops

09:20 - 06:20

HRL

LHR

15h 00m2 stops

£830United Airlines

Thu, 22 Jan - Mon, 26 Jan

10:00 - 20:01

LHR

HRL

16h 01m1 stop

12:10 - 07:30

HRL

LHR

13h 20m1 stop

£853United Airlines

Thu, 22 Jan - Mon, 26 Jan

13:00 - 11:26

LHR

HRL

28h 26m2 stops

17:25 - 07:10

HRL

LHR

31h 45m2 stops

£984Air Canada

Wed, 21 Jan - Thu, 22 Jan

08:20 - 18:14

LHR

HRL

15h 54m1 stop

11:06 - 08:35

HRL

LHR

15h 29m1 stop

£1,182Iberia

Wed, 21 Jan - Thu, 22 Jan

12:10 - 23:21

LHR

HRL

17h 11m2 stops

11:06 - 06:50

HRL

LHR

13h 44m1 stop

£3,014American Airlines

Wed, 21 Jan - Thu, 22 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

22 Jan

LHR07:30London Heathrow

20h 29m

2 stops

HRL21:59Harlingen Valley Intl

26 Jan

HRL09:20Harlingen Valley Intl

15h 00m

2 stops

LHR06:20London Heathrow

£830

Find similar

United Airlines

22 Jan

LHR10:00London Heathrow

16h 01m

1 stop

HRL20:01Harlingen Valley Intl

26 Jan

HRL12:10Harlingen Valley Intl

13h 20m

1 stop

LHR07:30London Heathrow

£853

Find similar

Iberia flights from London Heathrow Airport to Harlingen, Texas

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

Iberia

22 Jan

LHR19:40London Heathrow

33h 41m

2 stops

HRL23:21Harlingen Valley Intl

26 Jan

HRL11:06Harlingen Valley Intl

18h 34m

1 stop

LHR11:40London Heathrow

£794

Find similar

Iberia

22 Jan

LHR19:40London Heathrow

33h 41m

2 stops

HRL23:21Harlingen Valley Intl

26 Jan

HRL11:06Harlingen Valley Intl

16h 54m

1 stop

LHR10:00London Heathrow

£796

Find similar

Iberia

22 Jan

LHR10:05London Heathrow

19h 16m

1 stop

HRL23:21Harlingen Valley Intl

26 Jan

HRL15:22Harlingen Valley Intl

12h 38m

1 stop

LHR10:00London Heathrow

£801

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

Thu 22/1

19:40-23:21

2 stops33h 41m

Harlingen Valley Intl

Mon 26/1

11:06-11:40

1 stop18h 34m

£794

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 22/1

19:40-23:21

2 stops33h 41m

Harlingen Valley Intl

Mon 26/1

11:06-10:00

1 stop16h 54m

£796

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 22/1

10:05-23:21

1 stop19h 16m

Harlingen Valley Intl

Mon 26/1

15:22-10:00

1 stop12h 38m

£801

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 22/1

08:20-18:14

1 stop15h 54m

Harlingen Valley Intl

Mon 26/1

15:22-11:40

1 stop14h 18m

£802

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 22/1

19:40-23:21

2 stops33h 41m

Harlingen Valley Intl

Mon 26/1

11:06-13:30

2 stops20h 24m

£806

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 22/1

07:30-21:59

2 stops20h 29m

Harlingen Valley Intl

Mon 26/1

09:20-06:20

2 stops15h 00m

£830

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Thu 22/1

10:00-20:01

1 stop16h 01m

Harlingen Valley Intl

Mon 26/1

12:10-07:30

1 stop13h 20m

£853

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 21/1

13:00-11:26

2 stops28h 26m

Harlingen Valley Intl

Thu 22/1

17:25-07:10

2 stops31h 45m

£984

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 21/1

08:20-18:14

1 stop15h 54m

Harlingen Valley Intl

Thu 22/1

11:06-08:35

1 stop15h 29m

£1,182

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 21/1

12:10-23:21

2 stops17h 11m

Harlingen Valley Intl

Thu 22/1

11:06-06:50

1 stop13h 44m

£3,014

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 £878. The most expensive day to fly to Harlingen, Texas is Wednesday, with ticket prices averaging around £938.

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

Fastest flight time	20h 29m
Direct flights	None

The fastest flight from London Heathrow Airport to Harlingen, Texas takes 20h 29m

There are no direct flights from London Heathrow Airport to Harlingen, Texas. There are no popular flight routes from London Heathrow Airport to Harlingen, Texas.

Search flight deals

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. 20h 29m 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.