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.

£1,029 Cheap Flights from London Heathrow Airport to Harlingen in 2026

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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.

07:30 - 21:54

LHR

HRL

20h 24m

2 stops

14:05 - 07:55

HRL

LHR

11h 50m

1 stop

£1,085United Airlines

Fri, 29 May - Tue, 2 Jun

10:00 - 21:54

LHR

HRL

17h 54m

1 stop

14:05 - 07:55

HRL

LHR

11h 50m

1 stop

£1,109United Airlines

Fri, 29 May - Tue, 2 Jun

12:55 - 10:13

LHR

HRL

27h 18m

1 stop

20:04 - 09:00

HRL

LHR

30h 56m

1 stop

£1,148Iberia

Wed, 3 Jun - Sat, 6 Jun

15:50 - 19:34

LHR

HRL

33h 44m

2 stops

20:04 - 13:55

HRL

LHR

35h 51m

2 stops

£1,199Multiple Airlines

Wed, 3 Jun - Sat, 6 Jun

08:55 - 16:25

LHR

HRL

13h 30m

1 stop

20:04 - 08:05

HRL

LHR

30h 01m

2 stops

£1,234Iberia

Wed, 3 Jun - Sat, 6 Jun

07:25 - 21:54

LHR

HRL

20h 29m

2 stops

14:05 - 10:40

HRL

LHR

14h 35m

2 stops

£1,847United Airlines

Wed, 3 Jun - Sat, 6 Jun

10:05 - 10:12

LHR

HRL

30h 07m

1 stop

06:00 - 09:00

HRL

LHR

21h 00m

1 stop

£1,922Iberia

Wed, 29 Jul - Tue, 4 Aug

08:55 - 20:12

LHR

HRL

17h 17m

1 stop

06:00 - 06:20

HRL

LHR

18h 20m

1 stop

£1,943Iberia

Wed, 29 Jul - Tue, 4 Aug

10:05 - 10:12

LHR

HRL

30h 07m

1 stop

16:58 - 17:15

HRL

LHR

18h 17m

2 stops

£1,949Iberia

Wed, 29 Jul - Tue, 4 Aug

08:55 - 16:50

LHR

HRL

13h 55m

1 stop

06:00 - 06:20

HRL

LHR

18h 20m

1 stop

£1,953Iberia

Wed, 29 Jul - Tue, 4 Aug

Iberia flights from London Heathrow Airport to Harlingen

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

Iberia

3 Jun

LHR12:55London Heathrow

27h 18m

1 stop

HRL10:13Harlingen Valley Intl

6 Jun

HRL20:04Harlingen Valley Intl

30h 56m

1 stop

LHR09:00London Heathrow

£1,148

Iberia

3 Jun

LHR08:55London Heathrow

13h 30m

1 stop

HRL16:25Harlingen Valley Intl

6 Jun

HRL20:04Harlingen Valley Intl

30h 01m

2 stops

LHR08:05London Heathrow

£1,234

Iberia

29 Jul

LHR10:05London Heathrow

30h 07m

1 stop

HRL10:12Harlingen Valley Intl

4 Aug

HRL06:00Harlingen Valley Intl

21h 00m

1 stop

LHR09:00London Heathrow

£1,922

United Airlines flights from London Heathrow Airport to Harlingen

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

United Airlines

29 May

LHR07:30London Heathrow

20h 24m

2 stops

HRL21:54Harlingen Valley Intl

2 Jun

HRL14:05Harlingen Valley Intl

11h 50m

1 stop

LHR07:55London Heathrow

£1,085

United Airlines

29 May

LHR10:00London Heathrow

17h 54m

1 stop

HRL21:54Harlingen Valley Intl

2 Jun

HRL14:05Harlingen Valley Intl

11h 50m

1 stop

LHR07:55London Heathrow

£1,109

United Airlines

3 Jun

LHR07:25London Heathrow

20h 29m

2 stops

HRL21:54Harlingen Valley Intl

6 Jun

HRL14:05Harlingen Valley Intl

14h 35m

2 stops

LHR10:40London Heathrow

£1,847

momondo Fare Finder

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

Cheapest return flight

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Fri 29/5

07:30-21:54

2 stops20h 24m

Harlingen Valley Intl

Tue 2/6

14:05-07:55

1 stop11h 50m

£1,085

Fastest return journey

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Fri 29/5

10:00-21:54

1 stop17h 54m

Harlingen Valley Intl

Tue 2/6

14:05-07:55

1 stop11h 50m

£1,109

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 3/6

12:55-10:13

1 stop27h 18m

Harlingen Valley Intl

Sat 6/6

20:04-09:00

1 stop30h 56m

£1,148

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 3/6

15:50-19:34

2 stops33h 44m

Harlingen Valley Intl

Sat 6/6

20:04-13:55

2 stops35h 51m

£1,199

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 3/6

08:55-16:25

1 stop13h 30m

Harlingen Valley Intl

Sat 6/6

20:04-08:05

2 stops30h 01m

£1,234

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 3/6

07:25-21:54

2 stops20h 29m

Harlingen Valley Intl

Sat 6/6

14:05-10:40

2 stops14h 35m

£1,847

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

10:05-10:12

1 stop30h 07m

Harlingen Valley Intl

Tue 4/8

06:00-09:00

1 stop21h 00m

£1,922

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

08:55-20:12

1 stop17h 17m

Harlingen Valley Intl

Tue 4/8

06:00-06:20

1 stop18h 20m

£1,943

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

10:05-10:12

1 stop30h 07m

Harlingen Valley Intl

Tue 4/8

16:58-17:15

2 stops18h 17m

£1,949

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

08:55-16:50

1 stop13h 55m

Harlingen Valley Intl

Tue 4/8

06:00-06:20

1 stop18h 20m

£1,953

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

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 airline that flies from London Heathrow to Harlingen Valley Intl?

United Airlines is the most popular carrier operating from London Heathrow to Harlingen Valley Intl

When to book flights from London Heathrow Airport to Harlingen

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

Estimated return price

Cheap London Heathrow Airport to Harlingen (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

Fastest flight time	20h 24m
Direct flights	None

The fastest flight from London Heathrow Airport to Harlingen takes 20h 24m

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

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Harlingen

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 24m 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.