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 many operators does momondo search for flights from Harlingen Valley Intl Airport to United Kingdom?

As of November 2026, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to United Kingdom.

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

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 Harlingen Valley Intl Airport to United Kingdom.

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

The required travel and health documents for your United Kingdom 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 United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$851 Cheap Flights from Harlingen to the United Kingdom in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harlingen to the United Kingdom

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:56 am - 6:50 amHRL Harlingen Valley Intl-LHR London Heathrow

18h 54m1 stop Dallas/Fort Worth

6:45 pm - 2:16 pmLHR London Heathrow-HRL Harlingen Valley Intl

25h 31m2 stops Madrid Barajas Dallas/Fort Worth

$851Iberia

Wed, Feb 17 - Wed, Feb 24

5:56 am - 6:50 amHRL Harlingen Valley Intl-LHR London Heathrow

18h 54m1 stop Dallas/Fort Worth

6:45 pm - 2:16 pmLHR London Heathrow-HRL Harlingen Valley Intl

25h 31m2 stops Madrid Barajas Dallas/Fort Worth

$851Iberia

Wed, Feb 17 - Wed, Feb 24

5:56 am - 6:50 amHRL Harlingen Valley Intl-LHR London Heathrow

18h 54m1 stop Dallas/Fort Worth

6:45 pm - 2:16 pmLHR London Heathrow-HRL Harlingen Valley Intl

25h 31m2 stops Madrid Barajas Dallas/Fort Worth

$852Iberia

Wed, Feb 17 - Wed, Feb 24

7:08 am - 8:30 amHRL Harlingen Valley Intl-MAN Manchester

19h 22m2 stops Houston George Bush Intcntl Toronto Pearson Intl

11:30 am - 7:40 pmMAN Manchester-HRL Harlingen Valley Intl

38h 10m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$874United Airlines

Sun, Feb 14 - Thu, Feb 18

7:08 am - 8:30 amHRL Harlingen Valley Intl-MAN Manchester

19h 22m2 stops Houston George Bush Intcntl Toronto Pearson Intl

11:30 am - 7:40 pmMAN Manchester-HRL Harlingen Valley Intl

38h 10m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$875United Airlines

Sun, Feb 14 - Thu, Feb 18

7:08 am - 8:30 amHRL Harlingen Valley Intl-MAN Manchester

19h 22m2 stops Houston George Bush Intcntl Toronto Pearson Intl

11:30 am - 7:40 pmMAN Manchester-HRL Harlingen Valley Intl

38h 10m2 stops Toronto Pearson Intl Houston George Bush Intcntl

$876United Airlines

Sun, Feb 14 - Thu, Feb 18

2:48 pm - 12:00 pmHRL Harlingen Valley Intl-LHR London Heathrow

15h 12m1 stop Dallas/Fort Worth

2:45 pm - 10:52 pmLHR London Heathrow-HRL Harlingen Valley Intl

14h 07m1 stop Dallas/Fort Worth

$891Iberia

Wed, Feb 17 - Wed, Feb 24

2:48 pm - 12:00 pmHRL Harlingen Valley Intl-LHR London Heathrow

15h 12m1 stop Dallas/Fort Worth

1:50 pm - 10:52 pmLHR London Heathrow-HRL Harlingen Valley Intl

15h 02m1 stop Dallas/Fort Worth

$891Iberia

Wed, Feb 17 - Wed, Feb 24

2:48 pm - 12:00 pmHRL Harlingen Valley Intl-LHR London Heathrow

15h 12m1 stop Dallas/Fort Worth

1:50 pm - 10:52 pmLHR London Heathrow-HRL Harlingen Valley Intl

15h 02m1 stop Dallas/Fort Worth

$892Iberia

Wed, Feb 17 - Wed, Feb 24

10:43 am - 11:50 amHRL Harlingen Valley Intl-MAN Manchester

19h 07m2 stops Dallas/Fort Worth London Heathrow

8:30 am - 10:54 pmMAN Manchester-HRL Harlingen Valley Intl

20h 24m2 stops London Heathrow Dallas/Fort Worth

$1,449American Airlines

Sat, Nov 28 - Wed, Dec 2

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United Airlines flights from Harlingen to United Kingdom

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

United Airlines

Feb 14

HRL7:08 amHarlingen Valley Intl

19h 22m

2 stops

MAN8:30 amManchester

Feb 18

MAN11:30 amManchester

38h 10m

2 stops

HRL7:40 pmHarlingen Valley Intl

$874

United Airlines

Feb 14

HRL7:08 amHarlingen Valley Intl

19h 22m

2 stops

MAN8:30 amManchester

Feb 18

MAN11:30 amManchester

38h 10m

2 stops

HRL7:40 pmHarlingen Valley Intl

$875

United Airlines

Feb 14

HRL7:08 amHarlingen Valley Intl

19h 22m

2 stops

MAN8:30 amManchester

Feb 18

MAN11:30 amManchester

38h 10m

2 stops

HRL7:40 pmHarlingen Valley Intl

$876

Air Canada flights from Harlingen to United Kingdom

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

Air Canada

Feb 14

HRL7:08 amHarlingen Valley Intl

22h 12m

2 stops

LHR11:20 amLondon Heathrow

Feb 24

LHR11:10 amLondon Heathrow

38h 30m

2 stops

HRL7:40 pmHarlingen Valley Intl

$921

Air Canada

Feb 20

HRL4:25 pmHarlingen Valley Intl

32h 45m

2 stops

LHR7:10 amLondon Heathrow

Feb 26

LHR11:10 amLondon Heathrow

38h 30m

2 stops

HRL7:40 pmHarlingen Valley Intl

$922

Air Canada

Feb 18

HRL7:08 amHarlingen Valley Intl

19h 22m

2 stops

LHR8:30 amLondon Heathrow

Feb 23

LHR11:10 amLondon Heathrow

38h 30m

2 stops

HRL7:40 pmHarlingen Valley Intl

$971

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 round-trip

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Wed 2/17

5:56 am-6:50 am

1 stop18h 54m

London Heathrow

Wed 2/24

6:45 pm-2:16 pm

2 stops25h 31m

$851

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Wed 2/17

5:56 am-6:50 am

1 stop18h 54m

London Heathrow

Wed 2/24

6:45 pm-2:16 pm

2 stops25h 31m

$851

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Wed 2/17

5:56 am-6:50 am

1 stop18h 54m

London Heathrow

Wed 2/24

6:45 pm-2:16 pm

2 stops25h 31m

$852

HarlingenManchester

HRL Harlingen Valley Intl - MAN Manchester

HRLMAN

Harlingen Valley Intl

Sun 2/14

7:08 am-8:30 am

2 stops19h 22m

Manchester

Thu 2/18

11:30 am-7:40 pm

2 stops38h 10m

$874

HarlingenManchester

HRL Harlingen Valley Intl - MAN Manchester

HRLMAN

Harlingen Valley Intl

Sun 2/14

7:08 am-8:30 am

2 stops19h 22m

Manchester

Thu 2/18

11:30 am-7:40 pm

2 stops38h 10m

$875

HarlingenManchester

HRL Harlingen Valley Intl - MAN Manchester

HRLMAN

Harlingen Valley Intl

Sun 2/14

7:08 am-8:30 am

2 stops19h 22m

Manchester

Thu 2/18

11:30 am-7:40 pm

2 stops38h 10m

$876

Quickest round-trip

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Wed 2/17

2:48 pm-12:00 pm

1 stop15h 12m

London Heathrow

Wed 2/24

2:45 pm-10:52 pm

1 stop14h 07m

$891

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Wed 2/17

2:48 pm-12:00 pm

1 stop15h 12m

London Heathrow

Wed 2/24

1:50 pm-10:52 pm

1 stop15h 02m

$891

HarlingenLondon

HRL Harlingen Valley Intl - LHR London Heathrow

HRLLHR

Harlingen Valley Intl

Wed 2/17

2:48 pm-12:00 pm

1 stop15h 12m

London Heathrow

Wed 2/24

1:50 pm-10:52 pm

1 stop15h 02m

$892

HarlingenManchester

HRL Harlingen Valley Intl - MAN Manchester

HRLMAN

Harlingen Valley Intl

Sat 11/28

10:43 am-11:50 am

2 stops19h 07m

Manchester

Wed 12/2

8:30 am-10:54 pm

2 stops20h 24m

$1,449

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Can stopping save me money on Harlingen to United Kingdom flights?

You could potentially save up to 28% on your flight if you consider stops on a Harlingen to United Kingdom flight.

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	$851
Fastest flight time	14h 05m
Direct flights	None

The best flight deal from Harlingen to United Kingdom found on momondo in the last 72 hours is $851

The fastest flight from Harlingen to United Kingdom takes 14h 05m

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 many operators does momondo search for flights from Harlingen Valley Intl Airport to United Kingdom?
As of November 2026, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to United Kingdom.
How old do you have to be to fly from Harlingen Valley Intl Airport to United Kingdom?
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 Harlingen Valley Intl Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The required travel and health documents for your United Kingdom 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 United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Harlingen to United Kingdom

Compare and see reviews for airlines that fly from Harlingen to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $1,284	Free Cancellation	Rating 7.0 12,232 reviews		Search American Airlines flights

Why use momondo?

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

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 from Harlingen to United Kingdom for you.

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

momondo does allow users to show only those flights to United Kingdom from Harlingen which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Harlingen and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.