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Cheap flights from Harlingen to Bangkok from $690

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Bangkok departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Harlingen to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 am - 4:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
35h 30m2 stops Houston George Bush Intcntl Tokyo Haneda
United Airlines Logo
9:35 am - 1:23 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
39h 48m2 stops Tokyo Haneda Houston George Bush Intcntl
$1,363United Airlines
Mon, Sep 21 - Mon, Sep 28
United Airlines Logo
5:05 am - 4:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
35h 30m2 stops Houston George Bush Intcntl Tokyo Haneda
United Airlines Logo
3:45 pm - 1:23 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
33h 38m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl
$1,377United Airlines
Mon, Sep 21 - Mon, Sep 28
Qatar Airways Logo
6:42 pm - 1:25 pmHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
30h 43m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
6:55 pm - 10:50 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
39h 55m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,420Qatar Airways
Thu, Oct 22 - Mon, Oct 26
Qatar Airways Logo
5:51 am - 1:25 pmHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
43h 34m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
3:00 am - 10:48 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
31h 48m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,460Qatar Airways
Tue, Sep 22 - Fri, Sep 25
Qatar Airways Logo
5:51 am - 1:25 pmHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
43h 34m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
3:00 am - 10:48 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
31h 48m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,571Qatar Airways
Tue, Sep 22 - Fri, Sep 25
United Airlines Logo
2:00 pm - 9:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
31h 35m3 stops Houston George Bush Intcntl Los Angeles Hong Kong Intl
United Airlines Logo
4:55 pm - 1:21 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
32h 26m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl
$1,833United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
7:15 am - 4:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
33h 20m2 stops Houston George Bush Intcntl Tokyo Haneda
United Airlines Logo
4:55 pm - 4:01 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
35h 06m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl
$1,834United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
7:15 am - 9:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
38h 20m3 stops Houston George Bush Intcntl Los Angeles Hong Kong Intl
United Airlines Logo
7:00 am - 9:52 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
26h 52m2 stops Tokyo Narita Houston George Bush Intcntl
$1,864United Airlines
Tue, Sep 22 - Sat, Sep 26
United Airlines Logo
5:05 am - 9:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
40h 30m3 stops Houston George Bush Intcntl Los Angeles Hong Kong Intl
United Airlines Logo
3:45 pm - 1:23 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
33h 38m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl
$1,873United Airlines
Tue, Sep 22 - Sat, Sep 26
United Airlines Logo
7:15 am - 4:35 amHRL  Harlingen Valley Intl-BKK Bangkok Suvarnabhumi
33h 20m2 stops Houston George Bush Intcntl Tokyo Haneda
United Airlines Logo
3:45 pm - 1:23 pmBKK  Bangkok Suvarnabhumi-HRL Harlingen Valley Intl
33h 38m3 stops Hong Kong Intl Los Angeles Houston George Bush Intcntl
$1,874United Airlines
Tue, Sep 22 - Sat, Sep 26

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United Airlines flights from Harlingen to Bangkok

Our best United Airlines deals on Harlingen to Bangkok flight tickets
United Airlines
Sep 21
HRL5:05 amHarlingen Valley Intl
35h 30m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 28
BKK9:35 amBangkok Suvarnabhumi
39h 48m
2 stops
HRL1:23 pmHarlingen Valley Intl
$1,363
United Airlines
Sep 21
HRL5:05 amHarlingen Valley Intl
35h 30m
2 stops
BKK4:35 amBangkok Suvarnabhumi
Sep 28
BKK3:45 pmBangkok Suvarnabhumi
33h 38m
3 stops
HRL1:23 pmHarlingen Valley Intl
$1,377
United Airlines
Oct 22
HRL2:00 pmHarlingen Valley Intl
31h 35m
3 stops
BKK9:35 amBangkok Suvarnabhumi
Oct 26
BKK4:55 pmBangkok Suvarnabhumi
32h 26m
3 stops
HRL1:21 pmHarlingen Valley Intl
$1,833

Qatar Airways flights from Harlingen to Bangkok

Our best Qatar Airways deals on Harlingen to Bangkok flight tickets
Qatar Airways
Oct 22
HRL6:42 pmHarlingen Valley Intl
30h 43m
2 stops
BKK1:25 pmBangkok Suvarnabhumi
Oct 26
BKK6:55 pmBangkok Suvarnabhumi
39h 55m
2 stops
HRL10:50 pmHarlingen Valley Intl
$1,420
Qatar Airways
Sep 22
HRL5:51 amHarlingen Valley Intl
43h 34m
2 stops
BKK1:25 pmBangkok Suvarnabhumi
Sep 25
BKK3:00 amBangkok Suvarnabhumi
31h 48m
2 stops
HRL10:48 pmHarlingen Valley Intl
$1,460
Qatar Airways
Sep 22
HRL5:51 amHarlingen Valley Intl
43h 34m
2 stops
BKK1:25 pmBangkok Suvarnabhumi
Sep 25
BKK3:00 amBangkok Suvarnabhumi
31h 48m
2 stops
HRL10:48 pmHarlingen Valley Intl
$1,571

momondo 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, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Harlingen to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Mon 9/21

5:05 am-4:35 am

2 stops35h 30m

Bangkok Suvarnabhumi

Mon 9/28

9:35 am-1:23 pm

2 stops39h 48m

$1,363

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Mon 9/21

5:05 am-4:35 am

2 stops35h 30m

Bangkok Suvarnabhumi

Mon 9/28

3:45 pm-1:23 pm

3 stops33h 38m

$1,377

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Thu 10/22

6:42 pm-1:25 pm

2 stops30h 43m

Bangkok Suvarnabhumi

Mon 10/26

6:55 pm-10:50 pm

2 stops39h 55m

$1,420

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Tue 9/22

5:51 am-1:25 pm

2 stops43h 34m

Bangkok Suvarnabhumi

Fri 9/25

3:00 am-10:48 pm

2 stops31h 48m

$1,460

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Tue 9/22

5:51 am-1:25 pm

2 stops43h 34m

Bangkok Suvarnabhumi

Fri 9/25

3:00 am-10:48 pm

2 stops31h 48m

$1,571
Quickest round-trip

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Thu 10/22

2:00 pm-9:35 am

3 stops31h 35m

Bangkok Suvarnabhumi

Mon 10/26

4:55 pm-1:21 pm

3 stops32h 26m

$1,833

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Thu 10/22

7:15 am-4:35 am

2 stops33h 20m

Bangkok Suvarnabhumi

Mon 10/26

4:55 pm-4:01 pm

3 stops35h 06m

$1,834

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Tue 9/22

7:15 am-9:35 am

3 stops38h 20m

Bangkok Suvarnabhumi

Sat 9/26

7:00 am-9:52 pm

2 stops26h 52m

$1,864

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Tue 9/22

5:05 am-9:35 am

3 stops40h 30m

Bangkok Suvarnabhumi

Sat 9/26

3:45 pm-1:23 pm

3 stops33h 38m

$1,873

HarlingenBangkok

HRL Harlingen Valley Intl - BKK Bangkok Suvarnabhumi

HRLBKK

Harlingen Valley Intl

Tue 9/22

7:15 am-4:35 am

2 stops33h 20m

Bangkok Suvarnabhumi

Sat 9/26

3:45 pm-1:23 pm

3 stops33h 38m

$1,874

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Bangkok from

How to get the cheapest flight ticket from Harlingen to Bangkok

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

What is the cheapest airline that flies from Harlingen Valley Intl to Bangkok?

Qatar Airways and United Airlines are the most popular carriers operating from Harlingen Valley Intl to Bangkok

Cheap Harlingen to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Bangkok

Fastest flight time

30h 43m

Direct flights

None
The fastest flight from Harlingen to Bangkok takes 30h 43m
There are no direct flights from Harlingen to Bangkok. There are no popular flight routes from Harlingen to Bangkok.
Search flight deals

Frequently asked questions about flying from Harlingen to Bangkok

  • How far is Harlingen Valley Intl to Bangkok by plane?

    A flight from Harlingen Valley Intl to Bangkok will travel around 9410.3 mi. Flights usually cover this in 30h 43m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Bangkok?

    Prices for flights from Harlingen Valley Intl Airport to Bangkok are refreshed on a daily basis.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Bangkok?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to Bangkok.

  • What documentation or ID do you need to fly to Bangkok?

    The necessary travel and health documents for your Bangkok trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Bangkok from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bangkok quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Harlingen to Bangkok flights to just show those with flexible booking policies.

How can momondo help me find flights from Harlingen to Bangkok?

Once all potential Harlingen to Bangkok flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Harlingen to Bangkok right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Harlingen to Bangkok 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.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport