What airlines fly to Thailand?

Air Canada, STARLUX Airlines and United Airlines are the top three most popular airlines that fly to Thailand from Portland according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 11 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Thailand?

United Airlines and Korean Air are the most popular carriers operating from Portland to Thailand

When did momondo last update prices for flights from Portland Airport to Thailand?

Prices for flights from Portland Airport to Thailand are updated daily.

How many operators does momondo search for flights from Portland Airport to Thailand?

As of September 2026, there are 11 operators available to choose from for flights from Portland Airport to Thailand.

How old do you have to be to fly from Portland Airport to Thailand?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Thailand.

What documentation or ID do you need to fly to Thailand?

The travel and health documents required for your trip to Thailand can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$364 Cheap Flights from Portland to Thailand in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Thailand

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Vancouver Intl Incheon Intl

8:25 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 06m1 stop Vancouver Intl

$816Air Canada

Thu, Dec 3 - Sun, Dec 13

7:00 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Vancouver Intl Incheon Intl

9:50 am - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

19h 51m2 stops Incheon Intl Vancouver Intl

$823Air Canada

Thu, Dec 3 - Sun, Dec 13

7:10 pm - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

38h 10m2 stops Vancouver Intl Incheon Intl

1:30 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

32h 01m2 stops Beijing Capital Vancouver Intl

$896Multiple Airlines

Tue, Dec 1 - Mon, Dec 14

5:03 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 57m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:50 pm - 9:31 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 41m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$904Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

2:34 pm - 4:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

34h 56m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:45 pm - 8:40 amBKK Bangkok Suvarnabhumi-PDX Portland

33h 55m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Tue, Jan 19 - Wed, Jan 27

1:35 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

32h 00m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:45 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

34h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Wed, Nov 11 - Tue, Feb 23

3:15 pm - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

42h 05m2 stops Vancouver Intl Incheon Intl

8:25 am - 9:26 amBKK Bangkok Suvarnabhumi-PDX Portland

16h 01m1 stop Vancouver Intl

$942Singapore Airlines

Thu, Dec 3 - Sun, Dec 13

7:09 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

30h 56m2 stops San Francisco Tokyo Haneda

7:55 am - 1:29 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$982Japan Airlines

Wed, Jan 20 - Thu, Jan 28

7:09 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

30h 56m2 stops San Francisco Tokyo Haneda

7:55 am - 1:29 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$982Japan Airlines

Mon, Jan 18 - Mon, Jan 25

5:32 pm - 11:00 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 28m2 stops Los Angeles Singapore Changi

9:15 pm - 4:27 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 12m3 stops Singapore Changi Tokyo Narita Los Angeles

$1,151Singapore Airlines

Wed, Jan 27 - Wed, Feb 10

Cheap last minute flights

Enter your travel dates to find the best prices.

7:45 pm - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

37h 50m2 stops Vancouver Intl Incheon Intl

11:15 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

45h 56m2 stops Singapore Changi Vancouver Intl

$783Air Canada

Sun, Sep 20 - Wed, Sep 30

7:45 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

19h 20m1 stop Vancouver Intl

7:05 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 06m1 stop Vancouver Intl

$790Air Canada

Sat, Sep 19 - Fri, Oct 2

7:45 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

19h 20m1 stop Vancouver Intl

2:35 am - 2:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 11m2 stops Incheon Intl Vancouver Intl

$795Air Canada

Sat, Sep 19 - Thu, Oct 1

5:41 pm - 8:55 amPDX Portland-BKK Bangkok Suvarnabhumi

25h 14m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:25 pm - 8:18 amBKK Bangkok Suvarnabhumi-PDX Portland

32h 53m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$877Multiple Airlines

Tue, Sep 22 - Sun, Sep 27

7:45 pm - 11:15 amPDX Portland-CNX Chiang Mai

25h 30m2 stops Vancouver Intl Bangkok Suvarnabhumi

11:30 am - 7:11 pmCNX Chiang Mai-PDX Portland

45h 41m2 stops Singapore Changi Vancouver Intl

$905Multiple Airlines

Sat, Sep 19 - Fri, Oct 2

3:33 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

30h 27m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:50 pm - 9:07 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 17m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$979STARLUX Airlines

Sat, Sep 19 - Mon, Sep 21

3:36 pm - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

42h 19m3 stops San Francisco Denver Intl Tokyo Narita

9:35 am - 9:00 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 25m2 stops Tokyo Haneda San Francisco

$1,001United Airlines

Sun, Sep 20 - Wed, Sep 30

7:00 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 55m2 stops San Francisco Tokyo Narita

3:45 pm - 2:27 pmBKK Bangkok Suvarnabhumi-PDX Portland

36h 42m2 stops Hong Kong Intl San Francisco

$1,019United Airlines

Tue, Sep 22 - Sun, Sep 27

3:30 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 35m1 stop Vancouver Intl

1:10 pm - 7:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 40m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,064Multiple Airlines

Sat, Sep 19 - Mon, Sep 21

10:29 am - 12:10 pmPDX Portland-HKT Phuket City

35h 41m3 stops Vancouver Intl Tokyo Narita Bangkok Suvarnabhumi

9:55 pm - 1:37 pmHKT Phuket City-PDX Portland

29h 42m3 stops Bangkok Suvarnabhumi Tokyo Narita Seattle/Tacoma Intl

$2,243Japan Airlines

Sun, Sep 20 - Sun, Sep 27

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STARLUX Airlines flights from Portland to Thailand

Our best STARLUX Airlines deals on Portland to Thailand flight tickets

STARLUX Airlines

Nov 11

PDX1:35 pmPortland

32h 00m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Feb 23

BKK1:45 pmBangkok Suvarnabhumi

34h 40m

2 stops

PDX9:25 amPortland

$941

STARLUX Airlines

Feb 10

PDX2:34 pmPortland

34h 56m

2 stops

BKK4:30 pmBangkok Suvarnabhumi

Feb 20

BKK5:40 pmBangkok Suvarnabhumi

30h 45m

2 stops

PDX9:25 amPortland

$942

STARLUX Airlines

Feb 13

PDX9:30 pmPortland

52h 00m

2 stops

BKK4:30 pmBangkok Suvarnabhumi

Feb 27

BKK5:40 pmBangkok Suvarnabhumi

30h 45m

2 stops

PDX9:25 amPortland

$947

Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Sep 20

PDX7:45 pmPortland

37h 50m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Sep 30

BKK11:15 amBangkok Suvarnabhumi

45h 56m

2 stops

PDX7:11 pmPortland

$783

Air Canada

Sep 19

PDX7:45 pmPortland

19h 20m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Oct 2

BKK7:05 amBangkok Suvarnabhumi

26h 06m

1 stop

PDX7:11 pmPortland

$790

Air Canada

Sep 19

PDX7:45 pmPortland

19h 20m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Oct 1

BKK2:35 amBangkok Suvarnabhumi

26h 11m

2 stops

PDX2:46 pmPortland

$795

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-12:20 am

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 12/13

8:25 am-6:31 pm

1 stop25h 06m

$816

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-12:20 am

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 12/13

9:50 am-2:41 pm

2 stops19h 51m

$823

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 12/1

7:10 pm-12:20 am

2 stops38h 10m

Bangkok Suvarnabhumi

Mon 12/14

1:30 am-6:31 pm

2 stops32h 01m

$896

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 10/14

5:03 pm-12:00 pm

2 stops28h 57m

Bangkok Suvarnabhumi

Wed 10/21

5:50 pm-9:31 am

2 stops29h 41m

$904

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

2:34 pm-4:30 pm

2 stops34h 56m

Bangkok Suvarnabhumi

Wed 1/27

1:45 pm-8:40 am

2 stops33h 55m

$941

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/11

1:35 pm-12:35 pm

2 stops32h 00m

Bangkok Suvarnabhumi

Tue 2/23

1:45 pm-9:25 am

2 stops34h 40m

$941

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

3:15 pm-12:20 am

2 stops42h 05m

Bangkok Suvarnabhumi

Sun 12/13

8:25 am-9:26 am

1 stop16h 01m

$942

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/20

7:09 am-5:05 am

2 stops30h 56m

Bangkok Suvarnabhumi

Thu 1/28

7:55 am-1:29 pm

2 stops20h 34m

$982

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

7:09 am-5:05 am

2 stops30h 56m

Bangkok Suvarnabhumi

Mon 1/25

7:55 am-1:29 pm

2 stops20h 34m

$982

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

5:32 pm-11:00 am

2 stops26h 28m

Bangkok Suvarnabhumi

Wed 2/10

9:15 pm-4:27 pm

3 stops34h 12m

$1,151

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Thailand

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

Prices

Airlines

What is the cheapest month to fly to Thailand?

The month of April is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $914. If you are unable to visit Thailand during the month of April, then departing from Portland during the month March is also very affordable. Most momondo users find prices during this month for around $1,005.

How far in advance should I book a flight from Portland to Thailand?

You are more likely to see cheaper flights to Thailand from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,160 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Portland for as low as $1,042 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 8% on your flight if you consider stops on a Portland to Thailand flight.

Cheap Portland to Thailand flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Thailand

Best Price Found	$364
Fastest flight time	22h 34m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $364. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $816.

The fastest flight from Portland to Thailand takes 22h 34m

There are no direct flights from Portland to Thailand. There are no popular flight routes from Portland to Thailand.

Search flight deals

Frequently asked questions about flying from Portland to Thailand

When did momondo last update prices for flights from Portland Airport to Thailand?
Prices for flights from Portland Airport to Thailand are updated daily.
How many operators does momondo search for flights from Portland Airport to Thailand?
As of September 2026, there are 11 operators available to choose from for flights from Portland Airport to Thailand.
How old do you have to be to fly from Portland Airport to Thailand?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents required for your trip to Thailand can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Thailand

Compare and see reviews for airlines that fly from Portland to Thailand with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $99	Free Cancellation	Rating 7.8 8,585 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,488 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 380 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,602 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 847 reviews	Search China Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
United Airlines	PriceFrom $872	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $882	Free Cancellation	Rating 8.3 1,915 reviews	Search Japan Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,526 reviews	Search EVA Air flights
Air Canada	PriceFrom $918	Free Cancellation	Rating 7.1 11,649 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Thailand?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Thailand. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Thailand with flexible booking policies on momondo?

Flights from Portland to Thailand with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Thailand?

Once you have performed a search for Portland to Thailand flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Thailand, momondo offers a useful price alert feature which will track prices for flights to Thailand from Portland and alert you when they change.