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$748+ Cheap flights from Harlingen, TX (HRL) to the United Kingdom

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Harlingen to United Kingdom

Keep the following information in mind while searching for Harlingen to United Kingdom flight deals. Data was last updated September 16, 2025.

Round-trip from

$748
(United Airlines)
From Harlingen Valley Intl to United Kingdom
Search Deals

Find flight deals from Harlingen to United Kingdom

Cheapest flights from Harlingen to United Kingdom
Explore the most affordable flight options available from Harlingen to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amHRL - MAN
2 stops23h 20mUnited Airlines
Sun 11/166:00 amMAN - HRL
2 stops21h 54mUnited Airlines
Deal found 9/13$748
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:00 amHRL - LHR
2 stops19h 30mAir Canada
Mon 11/241:00 pmLHR - HRL
2 stops32h 59mAir Canada
Deal found 9/15$916
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:00 amHRL - LHR
1 stop18h 30mUnited Airlines
Mon 11/2412:05 pmLHR - HRL
1 stop13h 34mUnited Airlines
Deal found 9/15$964
This Ovago deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:40 amHRL - LHR
2 stops18h 40mIberia
Mon 11/2410:05 amLHR - HRL
1 stop14h 03mIberia
Deal found 9/15$1,018
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:48 pmHRL - LHR
1 stop11h 47mIberia
Thu 1/88:20 amLHR - HRL
1 stop13h 57mIberia
Deal found 9/14$1,151
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:51 pmHRL - LHR
1 stop12h 09mIberia
Sun 9/2110:30 amLHR - HRL
1 stop13h 19mIberia
Deal found 9/15$1,286
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:20 pmHRL - MAN
2 stops57h 25mUnited Airlines
Sat 12/271:00 pmMAN - HRL
2 stops36h 36mUnited Airlines
Deal found 9/16$1,549
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:51 pmHRL - LHR
1 stop12h 09mIberia
Fri 9/1910:30 amLHR - HRL
1 stop13h 35mIberia
Deal found 9/15$2,763

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Harlingen to the United Kingdom that are best for you.

Fly from

Harlingen

Fly to

United Kingdom

Route

Depart

Return

Price

HarlingenManchester

HRL - MAN

HRLMAN

Harlingen Valley Intl

Wed 11/12

7:00 am-12:20 pm

2 stops23h 20m

Manchester

Sun 11/16

6:00 am-9:54 pm

2 stops21h 54m

$748

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 11/20

5:00 am-6:30 am

2 stops19h 30m

London Heathrow

Mon 11/24

1:00 pm-3:59 pm

2 stops32h 59m

$916

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 11/20

7:00 am-7:30 am

1 stop18h 30m

London Heathrow

Mon 11/24

12:05 pm-7:39 pm

1 stop13h 34m

$964

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 11/20

5:40 am-6:20 am

2 stops18h 40m

London Heathrow

Mon 11/24

10:05 am-6:08 pm

1 stop14h 03m

$1,018

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Fri 9/19

2:51 pm-9:00 am

1 stop12h 09m

London Heathrow

Sun 9/21

10:30 am-5:49 pm

1 stop13h 19m

$1,286

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Harlingen to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Harlingen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Harlingen to the United Kingdom

What is the cheapest month to book a flight from Harlingen, Texas to United Kingdom?

Currently, November is the cheapest month in which you can book a flight from Harlingen, Texas to United Kingdom (average of $661). Flying from Harlingen, Texas to United Kingdom in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HRL to GB?

Find hourly flight availability from Harlingen to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Harlingen, Texas to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with American Airlines from Harlingen to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.4

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Harlingen to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to United Kingdom?

    If you book a flight to United Kingdom from Harlingen, you will be flying from Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 3.7 mi from the center of Harlingen.

  • How long is the flight from Harlingen, Texas to United Kingdom?

    Departing from Harlingen, Texas to United Kingdom will take you 18h 40m. There are 5109 mi between Harlingen, Texas and United Kingdom. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Harlingen to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Harlingen to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harlingen to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Harlingen to United Kingdom.

  • Can I find deals for business class flights from Harlingen to United Kingdom?

    Yes. Cheapflights offers flight deals from Harlingen to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Harlingen, Texas to United Kingdom?

    Currently, November is the cheapest month in which you can book a flight from Harlingen, Texas to United Kingdom (average of $661). Flying from Harlingen, Texas to United Kingdom in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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