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$415+ Cheap flights from Harlingen, TX (HRL) to the United Kingdom

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — LHR
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$708
(United Airlines)

One-way from

$415
(American Airlines)
From Harlingen Valley Intl to United Kingdom
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One-way flight from Harlingen Valley Intl to United Kingdom
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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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/135:20 pmHRL - LHR
2 stops34h 15mUnited Airlines
Sat 9/207:30 amLHR - HRL
2 stops42h 03mUnited Airlines
Deal found 7/30$708
This United Airlines deal was found by Cheapflights users on 7/28. 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 11/125:00 amHRL - MAN
2 stops25h 20mUnited Airlines
Sun 11/166:05 amMAN - HRL
2 stops21h 49mUnited Airlines
Deal found 7/28$720
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:51 pmHRL - LHR
1 stop17h 34mAmerican Airlines
Sat 9/208:20 amLHR - HRL
1 stop15h 45mAmerican Airlines
Deal found 7/30$750
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 8/216:20 pmHRL - LHR
1 stop12h 25mIberia
Sat 8/303:10 pmLHR - HRL
1 stop13h 34mIberia
Deal found 7/29$966
This Arangrant deal was found by Cheapflights users on 7/30. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:19 pmHRL - LHR
1 stop14h 06mMultiple Airlines
Sun 10/1910:00 pmLHR - HRL
2 stops41h 38mMultiple Airlines
Deal found 7/30$4,214

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 July 30, 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

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Sat 9/13

5:20 pm-9:35 am

2 stops34h 15m

London Heathrow

Sat 9/20

7:30 am-7:33 pm

2 stops42h 03m

$708

HarlingenManchester

HRL - MAN

HRLMAN

Harlingen Valley Intl

Wed 11/12

5:00 am-12:20 pm

2 stops25h 20m

Manchester

Sun 11/16

6:05 am-9:54 pm

2 stops21h 49m

$720

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Sat 9/13

2:51 pm-2:25 pm

1 stop17h 34m

London Heathrow

Sat 9/20

8:20 am-6:05 pm

1 stop15h 45m

$750

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Thu 8/21

6:20 pm-12:45 pm

1 stop12h 25m

London Heathrow

Sat 8/30

3:10 pm-10:44 pm

1 stop13h 34m

$966

HarlingenLondon

HRL - LHR

HRLLHR

Harlingen Valley Intl

Sun 9/7

6:19 pm-2:25 pm

1 stop14h 06m

London Heathrow

Sun 10/19

10:00 pm-9:38 am

2 stops41h 38m

$4,214

HarlingenManchester

HRL - MAN

HRLMAN

Harlingen Valley Intl

Wed 11/26

12:11 pm-10:55 am

2 stops16h 44m

$415

HarlingenManchester

HRL - MAN

HRLMAN

Harlingen Valley Intl

Wed 11/26

7:00 am-8:45 am

3 stops19h 45m

$426

HarlingenManchester

HRL - MAN

HRLMAN

Harlingen Valley Intl

Sun 8/17

7:00 am-10:20 am

3 stops21h 20m

$4,725

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 30, 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 July 30, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada 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.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,859 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines to fly from Harlingen, Texas to United Kingdom one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $415. Users have also found prices from $426 and $4,725 on United Airlines and Air Canada, respectively.

  • 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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