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Southeast Asia

$1,035+ Cheap flights from Harlingen, TX (HRL) to Southeast Asia

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 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Harlingen to Southeast Asia

Keep the following information in mind while searching for Harlingen to Southeast Asia flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,060
(United Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Manila Ninoy Aquino Intl flights.
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From Harlingen Valley Intl to Southeast Asia
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Find flight deals from Harlingen to Southeast Asia

Cheapest flights from Harlingen to Southeast Asia
Explore the most affordable flight options available from Harlingen to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This United Airlines deal was found by Cheapflights users on 1/11. 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 1/11$1,035
This United Airlines deal was found by Cheapflights users on 1/10. 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 2/2512:10 pmHRL - BKK
3 stops34h 15mUnited Airlines
Wed 3/47:10 amBKK - HRL
2 stops27h 49mUnited Airlines
Deal found 1/10$1,060
This United Airlines deal was found by Cheapflights users on 1/12. 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
2 stops28h 20mUnited Airlines
Mon 3/29:10 amBKK - HRL
2 stops39h 14mUnited Airlines
Deal found 1/12$1,266

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Southeast Asia 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 12, 2026.
Use the filters below to find and compare flights from Harlingen to Southeast Asia that are best for you.

Fly from

Harlingen

Fly to

Southeast Asia

Route

Depart

Return

Price

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Wed 2/25

12:10 pm-11:25 am

3 stops34h 15m

Bangkok Suvarnabhumi

Wed 3/4

7:10 am-9:59 pm

2 stops27h 49m

$1,060

HarlingenBangkok

HRL - BKK

HRLBKK

Harlingen Valley Intl

Thu 2/12

7:00 am-12:20 am

2 stops28h 20m

Bangkok Suvarnabhumi

Mon 3/2

9:10 am-11:24 am

2 stops39h 14m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Best time to book a flight from Harlingen to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

What is the cheapest month to book a flight from Harlingen, Texas to Southeast Asia?

Currently, March is the cheapest month in which you can book a flight from Harlingen, Texas to Southeast Asia (average of $792). Flying from Harlingen, Texas to Southeast Asia in June is currently the most expensive (average of $1,973). 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.

Related info for your journey

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

    Harlingen Valley Intl (HRL) is the airport you will fly out of if you book a flight from Harlingen to Southeast Asia. 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 Southeast Asia?

    There are many flights that can get you from Harlingen, Texas to Southeast Asia in 34h 15m. Fly via United Airlines to get the fastest option. There are 9407 mi between Harlingen, Texas and Southeast Asia.

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

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

  • How can I find direct flights from Harlingen to Southeast Asia?

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Southeast Asia 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 Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Harlingen, Texas to Southeast Asia (average of $792). Flying from Harlingen, Texas to Southeast Asia in June is currently the most expensive (average of $1,973). 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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Alternative routes for Harlingen to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Harlingen to Southeast Asia

Discover the top airline that operate flights from Harlingen to Southeast Asia. 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,030Average$1,311FlexibilityNo cancel feeOn-time69%

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