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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£386 Cheap Flights from Harlingen to the United Kingdom in 2026/27

Find the cheapest flights from Harlingen to the United Kingdom

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:13 - 13:05HRL Harlingen Valley Intl-LHR London Heathrow

16h 52m1 stop Minneapolis St Paul

12:25 - 13:23LHR London Heathrow-HRL Harlingen Valley Intl

30h 58m1 stop Minneapolis St Paul

£601Delta

Thu, 15 Oct - Thu, 22 Oct

14:13 - 13:50HRL Harlingen Valley Intl-LHR London Heathrow

17h 37m2 stops Minneapolis St Paul Amsterdam Schiphol

16:00 - 13:28LHR London Heathrow-HRL Harlingen Valley Intl

51h 28m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

£631Delta

Thu, 5 Nov - Thu, 12 Nov

05:05 - 13:20HRL Harlingen Valley Intl-LHR London Heathrow

26h 15m2 stops Houston George Bush Intcntl Vancouver Intl

06:35 - 16:01LHR London Heathrow-HRL Harlingen Valley Intl

38h 26m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl

£646United Airlines

Mon, 19 Oct - Mon, 26 Oct

07:15 - 11:35HRL Harlingen Valley Intl-LHR London Heathrow

22h 20m1 stop Houston George Bush Intcntl

09:30 - 21:52LHR London Heathrow-HRL Harlingen Valley Intl

18h 22m2 stops Frankfurt am Main Houston George Bush Intcntl

£648United Airlines

Thu, 15 Oct - Thu, 22 Oct

05:05 - 13:20HRL Harlingen Valley Intl-LHR London Heathrow

26h 15m2 stops Houston George Bush Intcntl Vancouver Intl

07:30 - 13:21LHR London Heathrow-HRL Harlingen Valley Intl

34h 51m2 stops Frankfurt am Main Houston George Bush Intcntl

£653United Airlines

Tue, 20 Oct - Sun, 25 Oct

09:20 - 10:15HRL Harlingen Valley Intl-LHR London Heathrow

18h 55m1 stop Houston George Bush Intcntl

18:00 - 18:32LHR London Heathrow-HRL Harlingen Valley Intl

30h 32m2 stops Toronto Pearson Intl Houston George Bush Intcntl

£666United Airlines

Fri, 26 Feb - Sat, 13 Mar

14:00 - 11:35HRL Harlingen Valley Intl-LHR London Heathrow

15h 35m1 stop Houston George Bush Intcntl

12:05 - 22:48LHR London Heathrow-HRL Harlingen Valley Intl

15h 43m1 stop Houston George Bush Intcntl

£667United Airlines

Tue, 20 Oct - Sun, 25 Oct

17:16 - 08:30HRL Harlingen Valley Intl-LHR London Heathrow

33h 14m2 stops Houston George Bush Intcntl Toronto Pearson Intl

18:00 - 20:44LHR London Heathrow-HRL Harlingen Valley Intl

32h 44m2 stops Toronto Pearson Intl Houston George Bush Intcntl

£672Multiple Airlines

Fri, 26 Feb - Sat, 13 Mar

05:05 - 06:35HRL Harlingen Valley Intl-LHR London Heathrow

19h 30m2 stops Houston George Bush Intcntl Toronto Pearson Intl

18:00 - 16:01LHR London Heathrow-HRL Harlingen Valley Intl

27h 01m2 stops Toronto Pearson Intl Houston George Bush Intcntl

£679Air Canada

Tue, 20 Oct - Sun, 25 Oct

05:50 - 06:50HRL Harlingen Valley Intl-LHR London Heathrow

19h 00m1 stop Dallas/Fort Worth

13:50 - 22:52LHR London Heathrow-HRL Harlingen Valley Intl

15h 02m1 stop Dallas/Fort Worth

£736Iberia

Fri, 26 Feb - Sat, 13 Mar

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Air Canada flights from Harlingen to United Kingdom

Our best Air Canada deals on Harlingen to United Kingdom flight tickets

Air Canada

20 Oct

HRL05:05Harlingen Valley Intl

19h 30m

2 stops

LHR06:35London Heathrow

25 Oct

LHR18:00London Heathrow

27h 01m

2 stops

HRL16:01Harlingen Valley Intl

£679

Air Canada

20 Dec

HRL07:25Harlingen Valley Intl

41h 05m

2 stops

LHR06:30London Heathrow

1 Jan

LHR11:10London Heathrow

40h 49m

2 stops

HRL21:59Harlingen Valley Intl

£1,033

Air Canada

22 Dec

HRL17:22Harlingen Valley Intl

55h 08m

2 stops

LHR06:30London Heathrow

2 Jan

LHR18:00London Heathrow

49h 30m

2 stops

HRL13:30Harlingen Valley Intl

£1,209

United Airlines flights from Harlingen to United Kingdom

Our best United Airlines deals on Harlingen to United Kingdom flight tickets

United Airlines

19 Oct

HRL05:05Harlingen Valley Intl

26h 15m

2 stops

LHR13:20London Heathrow

26 Oct

LHR06:35London Heathrow

38h 26m

2 stops

HRL16:01Harlingen Valley Intl

£646

United Airlines

15 Oct

HRL07:15Harlingen Valley Intl

22h 20m

1 stop

LHR11:35London Heathrow

22 Oct

LHR09:30London Heathrow

18h 22m

2 stops

HRL21:52Harlingen Valley Intl

£648

United Airlines

20 Oct

HRL05:05Harlingen Valley Intl

26h 15m

2 stops

LHR13:20London Heathrow

25 Oct

LHR07:30London Heathrow

34h 51m

2 stops

HRL13:21Harlingen Valley Intl

£653

momondo Fare Finder

Use the filters below to find and compare flights from Harlingen to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Thu 15/10

14:13-13:05

1 stop16h 52m

London Heathrow

Thu 22/10

12:25-13:23

1 stop30h 58m

£601

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Thu 5/11

14:13-13:50

2 stops17h 37m

London Heathrow

Thu 12/11

16:00-13:28

2 stops51h 28m

£631

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Mon 19/10

05:05-13:20

2 stops26h 15m

London Heathrow

Mon 26/10

06:35-16:01

2 stops38h 26m

£646

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Thu 15/10

07:15-11:35

1 stop22h 20m

London Heathrow

Thu 22/10

09:30-21:52

2 stops18h 22m

£648

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Tue 20/10

05:05-13:20

2 stops26h 15m

London Heathrow

Sun 25/10

07:30-13:21

2 stops34h 51m

£653

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Fri 26/2

09:20-10:15

1 stop18h 55m

London Heathrow

Sat 13/3

18:00-18:32

2 stops30h 32m

£666

Fastest return journey

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Tue 20/10

14:00-11:35

1 stop15h 35m

London Heathrow

Sun 25/10

12:05-22:48

1 stop15h 43m

£667

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Fri 26/2

17:16-08:30

2 stops33h 14m

London Heathrow

Sat 13/3

18:00-20:44

2 stops32h 44m

£672

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Tue 20/10

05:05-06:35

2 stops19h 30m

London Heathrow

Sun 25/10

18:00-16:01

2 stops27h 01m

£679

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Fri 26/2

05:50-06:50

1 stop19h 00m

London Heathrow

Sat 13/3

13:50-22:52

1 stop15h 02m

£736

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen to United Kingdom

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 Harlingen Valley Intl to United Kingdom?

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

Cheap Harlingen to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to United Kingdom

Best price found	£386
Fastest flight time	11h 40m
Direct flights	None

The best one-way flight to United Kingdom from Harlingen in the past 72 hours is £386. The best return flight deal from Harlingen to United Kingdom found on momondo in the last 72 hours is £601.

The fastest flight from Harlingen to United Kingdom takes 11h 40m

There are no direct flights from Harlingen to United Kingdom. There are no popular flight routes from Harlingen to United Kingdom.

Search flight deals

Frequently asked questions about flying from Harlingen to the United Kingdom

When did momondo last update prices for flights from Harlingen Valley Intl Airport to United Kingdom?
Prices for flights from Harlingen Valley Intl Airport to United Kingdom are updated daily.
How old do you have to be to fly from Harlingen Valley Intl Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Harlingen to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

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

How can momondo help me find flights from Harlingen to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Harlingen to United Kingdom.

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

Yes. momondo can track prices for Harlingen to United Kingdom 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.