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Flights to Harlingen Valley Intl

£1,914 Cheap flights to Harlingen

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Harlingen departing on 29/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to Harlingen

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
08:55 - 16:50
LHR
-
HRL
13h 55m
1 stop
Iberia Logo
17:22 - 12:50
HRL
-
LHR
13h 28m
1 stop
£1,914Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
08:55 - 16:50
LHR
-
HRL
13h 55m
1 stop
Iberia Logo
17:22 - 17:15
HRL
-
LHR
17h 53m
2 stops
£1,925Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
14:25 - 00:14
LHR
-
HRL
15h 49m
1 stop
Iberia Logo
20:04 - 14:25
HRL
-
LHR
12h 21m
1 stop
£1,951Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
14:25 - 00:14
LHR
-
HRL
15h 49m
1 stop
Iberia Logo
10:45 - 09:00
HRL
-
LHR
16h 15m
1 stop
£1,953Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
10:05 - 19:34
LHR
-
HRL
15h 29m
1 stop
Iberia Logo
17:22 - 14:25
HRL
-
LHR
15h 03m
1 stop
£1,961Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
10:05 - 19:34
LHR
-
HRL
15h 29m
1 stop
Iberia Logo
17:22 - 17:15
HRL
-
LHR
17h 53m
2 stops
£1,962Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
14:25 - 00:14
LHR
-
HRL
15h 49m
1 stop
Iberia Logo
17:22 - 17:15
HRL
-
LHR
17h 53m
2 stops
£1,963Iberia
Wed, 29 Jul - Tue, 4 Aug
Iberia Logo
10:05 - 19:34
LHR
-
HRL
15h 29m
1 stop
Iberia Logo
17:22 - 17:15
HRL
-
LHR
17h 53m
2 stops
£1,972Iberia
Wed, 29 Jul - Tue, 4 Aug
United Airlines Logo
11:05 - 21:54
LHR
-
HRL
16h 49m
2 stops
United Airlines Logo
07:20 - 05:55
HRL
-
LHR
16h 35m
2 stops
£2,001United Airlines
Wed, 29 Jul - Tue, 4 Aug
United Airlines Logo
08:00 - 19:49
LHR
-
HRL
17h 49m
2 stops
United Airlines Logo
07:20 - 05:55
HRL
-
LHR
16h 35m
2 stops
£2,002United Airlines
Wed, 29 Jul - Tue, 4 Aug

momondo Fare Finder

 
Locate flights to Harlingen Valley Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 28 April 2026.
Use the filters below to find and compare flights to Harlingen that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

08:55-16:50

1 stop13h 55m

Harlingen Valley Intl

Tue 4/8

17:22-12:50

1 stop13h 28m

£1,914

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

08:55-16:50

1 stop13h 55m

Harlingen Valley Intl

Tue 4/8

17:22-17:15

2 stops17h 53m

£1,925

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

14:25-00:14

1 stop15h 49m

Harlingen Valley Intl

Tue 4/8

20:04-14:25

1 stop12h 21m

£1,951

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

14:25-00:14

1 stop15h 49m

Harlingen Valley Intl

Tue 4/8

10:45-09:00

1 stop16h 15m

£1,953

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

10:05-19:34

1 stop15h 29m

Harlingen Valley Intl

Tue 4/8

17:22-14:25

1 stop15h 03m

£1,961

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

10:05-19:34

1 stop15h 29m

Harlingen Valley Intl

Tue 4/8

17:22-17:15

2 stops17h 53m

£1,962

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

14:25-00:14

1 stop15h 49m

Harlingen Valley Intl

Tue 4/8

17:22-17:15

2 stops17h 53m

£1,963

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

10:05-19:34

1 stop15h 29m

Harlingen Valley Intl

Tue 4/8

17:22-17:15

2 stops17h 53m

£1,972

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

11:05-21:54

2 stops16h 49m

Harlingen Valley Intl

Tue 4/8

07:20-05:55

2 stops16h 35m

£2,001

LondonHarlingen

LHR - HRL

LHRHRL

London Heathrow

Wed 29/7

08:00-19:49

2 stops17h 49m

Harlingen Valley Intl

Tue 4/8

07:20-05:55

2 stops16h 35m

£2,002

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Harlingen from

Harlingen flights insights and trends

Explore insights for your Harlingen flight to craft the best travel plan

How long does it take to fly to Harlingen?

The flight from United Kingdom to Harlingen depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London Heathrow (a popular airport in United Kingdom) to McAllen Miller Intl (the most popular airport in Harlingen), then the flight time is 13h 53m on average. If you fly from Manchester (another popular airport in United Kingdom) to McAllen Miller Intl, then the average flight time is 19h 20m.

Cheap Harlingen flight deals and tips

Summary info about Harlingen flight prices, duration and airlines

Best Round-Trip Price

£1,914

Fastest flight time

13h 55m
The best round-trip flight price to Harlingen from United Kingdom in the last 72 hours is £1,914 (London Heathrow to Harlingen Valley Intl).
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The fastest flight to Harlingen from United Kingdom takes 13h 55m (London Heathrow to Harlingen Valley Intl).
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Frequently asked questions about flying to Harlingen

Is there an alternative airport near Harlingen?

Those flying to Harlingen could potentially find better pricing at Harlingen Valley Intl Airport (4 mi from Harlingen city centre) or Brownsville South Padre Is. Intl Airport (26 mi from Harlingen city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Harlingen?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Harlingen is Brownsville South Padre Is. Intl Airport where the average price is £109. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Harlingen Valley Intl Airport are updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Harlingen Valley Intl Airport.

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

The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Flights to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Harlingen?

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

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

Of course. momondo tracks the price of Harlingen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Harlingen

Popular Flights to Harlingen

Popular routes according to searches in the past day on momondo
London to Harlingen Valley Intl Flightsfrom £1,261
Birmingham to Harlingen Valley Intl Flightsfrom £2,780
Manchester to Harlingen Valley Intl Flightsfrom £1,278