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$1,034+ Cheap flights from Harlingen, TX (HRL) to Bangkok

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — BKK
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Harlingen to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Bangkok (TH1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Round-trip from

$1,223
(United Airlines)
From Harlingen Valley Intl to Bangkok
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Find flight deals from Harlingen to Bangkok

Cheapest flights from Harlingen to Bangkok
Explore the most affordable flight options available from Harlingen to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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 9/95:15 amHRL - BKK
2 stops35h 20mUnited Airlines
Sun 9/139:35 amBKK - HRL
2 stops48h 09mUnited Airlines
Deal found 1/6$1,034
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sun 2/227:00 amHRL - BKK
3 stops63h 25mUnited Airlines
Sun 3/14:55 pmBKK - HRL
3 stops36h 09mUnited Airlines
Deal found 1/7$1,223
This United Airlines deal was found by Cheapflights users on 1/7. 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 2/2112:10 pmHRL - BKK
2 stops47h 10mUnited Airlines
Sat 2/284:55 pmBKK - HRL
3 stops36h 09mUnited Airlines
Deal found 1/7$1,284
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/209:20 amHRL - BKK
3 stops37h 05mUnited Airlines
Fri 2/274:55 pmBKK - HRL
3 stops40h 03mUnited Airlines
Deal found 1/6$1,355
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/127:00 amHRL - BKK
3 stops63h 25mUnited Airlines
Mon 3/27:10 amBKK - HRL
2 stops27h 49mUnited Airlines
Deal found 1/6$1,409
This FlightHub deal was found by Cheapflights users on 1/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:06 pmHRL - BKK
2 stops45h 34mQatar Airways
Mon 3/28:15 amBKK - HRL
2 stops51h 48mQatar Airways
Deal found 1/6$1,431

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Bangkok 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 January 8, 2026.
Use the filters below to find and compare flights from Harlingen to Bangkok that are best for you.

Fly from

Harlingen

Fly to

Bangkok

Route

Depart

Return

Price

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Sun 2/22

7:00 am-11:25 am

3 stops63h 25m

Bangkok Suvarnabhumi

Sun 3/1

4:55 pm-4:04 pm

3 stops36h 09m

$1,223

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Sat 2/21

12:10 pm-12:20 am

2 stops47h 10m

Bangkok Suvarnabhumi

Sat 2/28

4:55 pm-4:04 pm

3 stops36h 09m

$1,284

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Fri 2/20

9:20 am-11:25 am

3 stops37h 05m

Bangkok Suvarnabhumi

Fri 2/27

4:55 pm-7:58 pm

3 stops40h 03m

$1,355

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Thu 2/12

7:00 am-11:25 am

3 stops63h 25m

Bangkok Suvarnabhumi

Mon 3/2

7:10 am-9:59 pm

2 stops27h 49m

$1,409

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Thu 2/12

8:06 pm-6:40 am

2 stops45h 34m

Bangkok Suvarnabhumi

Mon 3/2

8:15 am-11:03 pm

2 stops51h 48m

$1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Best time to book a flight from Harlingen to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok 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 Bangkok
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated January 8, 2026.
Get a feel of what it's like to fly with United Airlines from Harlingen to Bangkok 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
9,139 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to Bangkok. 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 Bangkok?

    Harlingen Valley Intl (HRL) is the airport you will fly out of if you book a flight from Harlingen to Bangkok. You should not have trouble finding flights to Bangkok from Valley Intl; the airport handles an average of 0 outbound flights to Bangkok per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Harlingen airport to Bangkok. It is only a 3.7 mi journey to Valley Intl (HRL) from Harlingen’s city center.

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

    United Airlines can get you from Harlingen, Texas to Bangkok in just under 63h 25m. Your travel time can differ by up to . The distance between Harlingen, Texas and Bangkok is about 9407 mi.

  • What is the cheapest airline to fly from Harlingen, Texas to Bangkok round-trip?

    United Airlines, at $1,030, was found to be the cheapest airline from Harlingen, Texas to Bangkok..

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

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

  • How can I find direct flights from Harlingen to Bangkok?

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

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

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

See more FAQs

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Top airline flying from Harlingen to Bangkok

Discover the top airline that operate flights from Harlingen to Bangkok. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,030Average$1,311FlexibilityNo cancel feeOn-time69%

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