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?

Korean Air, Delta, and Cathay Pacific 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.

$362 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.

9:31 am - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

21h 59m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 8:56 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 06m2 stops Incheon Intl Los Angeles

$800Korean Air

Tue, Oct 27 - Tue, Nov 10

7:45 pm - 10:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 15m2 stops Vancouver Intl Incheon Intl

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

16h 01m1 stop Vancouver Intl

$831Air Canada

Sat, Oct 24 - Wed, Nov 4

3:30 pm - 10:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

40h 30m2 stops Vancouver Intl Incheon Intl

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

19h 51m2 stops Incheon Intl Vancouver Intl

$839Air Canada

Sat, Oct 24 - Wed, Nov 4

2:10 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

30h 55m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:10 pm - 11:00 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 50m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$876Multiple Airlines

Thu, Nov 5 - Wed, Nov 18

2:10 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

30h 55m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:10 pm - 11:00 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 50m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$876Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

7:00 am - 10:45 pmPDX Portland-CNX Chiang Mai

48h 45m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 5:11 pmCNX Chiang Mai-PDX Portland

31h 51m2 stops Incheon Intl Seattle/Tacoma Intl

$906Korean Air

Tue, Nov 10 - Mon, Nov 16

5:30 am - 1:25 pmPDX Portland-BKK Bangkok Suvarnabhumi

40h 55m2 stops Seattle/Tacoma Intl Incheon Intl

1:05 am - 9:57 pmBKK Bangkok Suvarnabhumi-PDX Portland

35h 52m2 stops Incheon Intl Seattle/Tacoma Intl

$912Delta

Tue, Nov 10 - Wed, Nov 18

7:00 am - 1:25 pmPDX Portland-BKK Bangkok Suvarnabhumi

39h 25m2 stops Seattle/Tacoma Intl Incheon Intl

11:15 pm - 9:57 pmBKK Bangkok Suvarnabhumi-PDX Portland

37h 42m2 stops Incheon Intl Seattle/Tacoma Intl

$912Delta

Mon, Nov 9 - Sun, Nov 15

7:09 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 26m2 stops San Francisco Tokyo Narita

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

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$977Japan Airlines

Wed, Jan 20 - Wed, Jan 27

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

$981Japan Airlines

Wed, Jan 20 - Thu, Jan 28

Cheap last minute flights

Enter your travel dates to find the best prices.

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

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

1:25 pm - 11:54 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 29m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$877Multiple Airlines

Tue, Sep 29 - Tue, Oct 20

7:40 pm - 8:55 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 15m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:25 pm - 8:28 amBKK Bangkok Suvarnabhumi-PDX Portland

33h 03m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$957Multiple Airlines

Fri, Oct 2 - Fri, Oct 9

9:51 am - 9:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

21h 54m2 stops Seattle/Tacoma Intl Incheon Intl

1:05 am - 2:51 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 46m2 stops Incheon Intl Seattle/Tacoma Intl

$982Korean Air

Wed, Sep 30 - Thu, Oct 29

7:00 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 35m2 stops Seattle/Tacoma Intl Incheon Intl

2:35 am - 5:04 pmBKK Bangkok Suvarnabhumi-PDX Portland

28h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$992Delta

Mon, Sep 28 - Wed, Oct 21

9:51 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 44m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 9:56 pmBKK Bangkok Suvarnabhumi-PDX Portland

38h 16m2 stops Incheon Intl Seattle/Tacoma Intl

$992Delta

Mon, Sep 28 - Sun, Oct 18

5:30 am - 10:15 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 45m2 stops San Francisco Tokyo Narita

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

25h 25m2 stops Tokyo Haneda San Francisco

$1,001United Airlines

Tue, Sep 29 - Mon, Oct 19

10:56 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 39m3 stops San Francisco Los Angeles Hong Kong Intl

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

25h 25m2 stops Tokyo Haneda San Francisco

$1,002United Airlines

Wed, Sep 30 - Mon, Oct 19

9:51 am - 10:10 pmPDX Portland-HKT Phuket City

22h 19m2 stops Seattle/Tacoma Intl Incheon Intl

11:25 pm - 10:19 pmHKT Phuket City-PDX Portland

36h 54m2 stops Incheon Intl Los Angeles

$1,017Korean Air

Wed, Sep 30 - Wed, Oct 14

5:55 pm - 11:05 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 10m2 stops Los Angeles Hong Kong Intl

4:25 pm - 9:31 amBKK Bangkok Suvarnabhumi-PDX Portland

31h 06m2 stops Hong Kong Intl Los Angeles

$1,220Cathay Pacific

Thu, Oct 1 - Sat, Oct 17

8:14 am - 11:05 amPDX Portland-BKK Bangkok Suvarnabhumi

36h 51m2 stops Seattle/Tacoma Intl Hong Kong Intl

7:10 pm - 1:53 pmBKK Bangkok Suvarnabhumi-PDX Portland

32h 43m2 stops Hong Kong Intl Vancouver Intl

$4,913Cathay Pacific

Mon, Sep 28 - Thu, Oct 15

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Japan Airlines flights from Portland to Thailand

Our best Japan Airlines deals on Portland to Thailand flight tickets

Japan Airlines

Jan 20

PDX7:09 amPortland

25h 26m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Jan 27

BKK7:55 amBangkok Suvarnabhumi

20h 34m

2 stops

PDX1:29 pmPortland

$977

Japan Airlines

Jan 20

PDX7:09 amPortland

30h 56m

2 stops

BKK5:05 amBangkok Suvarnabhumi

Jan 28

BKK7:55 amBangkok Suvarnabhumi

20h 34m

2 stops

PDX1:29 pmPortland

$981

Japan Airlines

Jan 18

PDX7:09 amPortland

25h 26m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Jan 25

BKK7:55 amBangkok Suvarnabhumi

20h 53m

2 stops

PDX1:48 pmPortland

$984

Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Oct 24

PDX7:45 pmPortland

36h 15m

2 stops

BKK10:00 pmBangkok Suvarnabhumi

Nov 4

BKK8:25 amBangkok Suvarnabhumi

16h 01m

1 stop

PDX9:26 amPortland

$831

Air Canada

Oct 24

PDX3:30 pmPortland

40h 30m

2 stops

BKK10:00 pmBangkok Suvarnabhumi

Nov 4

BKK9:50 amBangkok Suvarnabhumi

19h 51m

2 stops

PDX2:41 pmPortland

$839

Air Canada

Nov 5

PDX7:00 amPortland

26h 20m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Nov 18

BKK8:25 amBangkok Suvarnabhumi

25h 06m

1 stop

PDX6:31 pmPortland

$991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 10/27

9:31 am-9:30 pm

2 stops21h 59m

Bangkok Suvarnabhumi

Tue 11/10

9:50 am-8:56 pm

2 stops26h 06m

$800

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sat 10/24

7:45 pm-10:00 pm

2 stops36h 15m

Bangkok Suvarnabhumi

Wed 11/4

8:25 am-9:26 am

1 stop16h 01m

$831

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sat 10/24

3:30 pm-10:00 pm

2 stops40h 30m

Bangkok Suvarnabhumi

Wed 11/4

9:50 am-2:41 pm

2 stops19h 51m

$839

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 11/5

2:10 pm-12:05 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Wed 11/18

1:10 pm-11:00 pm

2 stops24h 50m

$876

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/11

2:10 pm-12:05 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Wed 11/18

1:10 pm-11:00 pm

2 stops24h 50m

$876

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Tue 11/10

7:00 am-10:45 pm

2 stops48h 45m

Chiang Mai

Mon 11/16

12:20 am-5:11 pm

2 stops31h 51m

$906

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 11/10

5:30 am-1:25 pm

2 stops40h 55m

Bangkok Suvarnabhumi

Wed 11/18

1:05 am-9:57 pm

2 stops35h 52m

$912

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 11/9

7:00 am-1:25 pm

2 stops39h 25m

Bangkok Suvarnabhumi

Sun 11/15

11:15 pm-9:57 pm

2 stops37h 42m

$912

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/20

7:09 am-11:35 pm

2 stops25h 26m

Bangkok Suvarnabhumi

Wed 1/27

7:55 am-1:29 pm

2 stops20h 34m

$977

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

$981

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 November is also very affordable. Most momondo users find prices during this month for around $1,011.

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 $1,154 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 $1,056 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	$362
Fastest flight time	21h 59m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $362. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $800.

The fastest flight from Portland to Thailand takes 21h 59m

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 8,605 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,497 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.7 387 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,616 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 10,246 reviews	Search United Airlines flights
Air Canada	PriceFrom $896	Free Cancellation	Rating 7.1 11,697 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,535 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,923 reviews	Search Japan Airlines 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.