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?

Delta, Korean Air, and Alaska Airlines 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 October 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.

$445 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.

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

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

1:10 pm - 9:54 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 44m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$876Multiple Airlines

Wed, Nov 11 - Wed, Nov 25

1:49 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

31h 16m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:10 pm - 9:52 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 42m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$876Multiple Airlines

Thu, Nov 26 - Thu, Dec 3

9:31 am - 10:45 pmPDX Portland-CNX Chiang Mai

23h 14m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 1:35 pmCNX Chiang Mai-PDX Portland

28h 15m2 stops Incheon Intl Seattle/Tacoma Intl

$903Korean Air

Tue, Oct 27 - Tue, Dec 8

9:40 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 40m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 7:03 pmBKK Bangkok Suvarnabhumi-PDX Portland

36h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$912Delta

Wed, Jan 20 - Sun, Jan 24

9:40 am - 11:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

22h 25m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 7:03 pmBKK Bangkok Suvarnabhumi-PDX Portland

36h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$912Delta

Mon, Feb 15 - Tue, Feb 23

5:45 pm - 1:25 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 40m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 4:59 pmBKK Bangkok Suvarnabhumi-PDX Portland

22h 09m2 stops Incheon Intl Seattle/Tacoma Intl

$917Korean Air

Sun, Jan 17 - Tue, Jan 26

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

38h 10m2 stops Vancouver Intl Incheon Intl

11:55 pm - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 46m2 stops Incheon Intl Vancouver Intl

$938Air Canada

Thu, Dec 3 - Sun, Dec 13

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

$976Air Canada

Thu, Dec 3 - Sun, Dec 13

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

$1,059Japan Airlines

Thu, Jan 14 - Sat, Jan 23

7:00 am - 5:00 amPDX Portland-BKK Bangkok Suvarnabhumi

31h 00m2 stops Los Angeles Osaka Kansai Intl

7:55 am - 1:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 55m2 stops Tokyo Narita San Francisco

$1,064Japan Airlines

Sun, Dec 6 - Thu, Dec 10

Cheap last minute flights

Enter your travel dates to find the best prices.

7:18 am - 11:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 12m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

5:15 pm - 10:54 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 39m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,060Multiple Airlines

Wed, Oct 14 - Wed, Nov 4

6:18 pm - 10:50 amPDX Portland-HKT Phuket City

26h 32m2 stops Los Angeles Hong Kong Intl

11:50 am - 11:16 pmHKT Phuket City-PDX Portland

25h 26m2 stops Hong Kong Intl Los Angeles

$1,104Multiple Airlines

Tue, Oct 13 - Thu, Oct 22

7:03 am - 10:40 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 37m2 stops Los Angeles Manila Ninoy Aquino Intl

1:10 pm - 11:54 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 44m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$1,105Multiple Airlines

Tue, Oct 13 - Thu, Nov 5

1:03 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

54h 32m2 stops San Francisco Hong Kong Intl

7:10 am - 6:20 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 10m3 stops Tokyo Narita Denver Intl San Francisco

$1,165United Airlines

Wed, Oct 14 - Wed, Nov 4

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

19h 20m1 stop Vancouver Intl

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

16h 01m1 stop Vancouver Intl

$1,229Air Canada

Wed, Oct 14 - Wed, Nov 4

10:51 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 44m3 stops San Francisco Los Angeles Hong Kong Intl

7:10 am - 6:20 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 10m3 stops Tokyo Narita Denver Intl San Francisco

$1,429United Airlines

Wed, Oct 14 - Wed, Nov 4

10:05 am - 11:15 amPDX Portland-CNX Chiang Mai

35h 10m3 stops Vancouver Intl Hong Kong Intl Bangkok Suvarnabhumi

11:55 am - 1:24 pmCNX Chiang Mai-PDX Portland

39h 29m3 stops Bangkok Suvarnabhumi Hong Kong Intl Seattle/Tacoma Intl

$2,095Cathay Pacific

Fri, Oct 9 - Fri, Oct 16

6:30 am - 3:10 pmPDX Portland-BKK Bangkok Suvarnabhumi

42h 40m2 stops Los Angeles Tokyo Haneda

10:05 pm - 4:34 pmBKK Bangkok Suvarnabhumi-PDX Portland

33h 29m2 stops Tokyo Haneda San Francisco

$2,399Japan Airlines

Wed, Oct 14 - Wed, Nov 11

7:29 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

24h 06m2 stops San Francisco Hong Kong Intl

4:55 pm - 12:22 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 27m3 stops Hong Kong Intl Los Angeles San Francisco

$2,975United Airlines

Wed, Oct 14 - Wed, Nov 11

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

19h 20m1 stop Vancouver Intl

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

16h 01m1 stop Vancouver Intl

$5,751Air Canada

Wed, Oct 14 - Wed, Nov 11

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Delta flights from Portland to Thailand

Our best Delta deals on Portland to Thailand flight tickets

Delta

Jan 19

PDX9:40 amPortland

22h 25m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Feb 1

BKK9:40 pmBangkok Suvarnabhumi

34h 19m

2 stops

PDX4:59 pmPortland

$912

Delta

Dec 2

PDX5:59 pmPortland

38h 06m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Feb 3

BKK11:15 pmBangkok Suvarnabhumi

34h 48m

2 stops

PDX7:03 pmPortland

$918

Delta

Feb 18

PDX6:40 amPortland

39h 45m

2 stops

BKK1:25 pmBangkok Suvarnabhumi

Mar 16

BKK9:40 pmBangkok Suvarnabhumi

37h 10m

2 stops

PDX8:50 pmPortland

$962

Japan Airlines flights from Portland to Thailand

Our best Japan Airlines deals on Portland to Thailand flight tickets

Japan Airlines

Jan 14

PDX7:09 amPortland

25h 26m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Jan 23

BKK7:55 amBangkok Suvarnabhumi

20h 34m

2 stops

PDX1:29 pmPortland

$1,059

Japan Airlines

Dec 6

PDX7:00 amPortland

31h 00m

2 stops

BKK5:00 amBangkok Suvarnabhumi

Dec 10

BKK7:55 amBangkok Suvarnabhumi

20h 55m

2 stops

PDX1:50 pmPortland

$1,064

Japan Airlines

Jan 18

PDX9:31 amPortland

33h 04m

3 stops

HKT9:35 amPhuket City

Jan 26

HKT10:00 pmPhuket City

30h 29m

3 stops

PDX1:29 pmPortland

$1,518

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/11

2:10 pm-12:05 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Wed 11/25

1:10 pm-9:54 pm

2 stops23h 44m

$876

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 11/26

1:49 pm-12:05 pm

2 stops31h 16m

Bangkok Suvarnabhumi

Thu 12/3

1:10 pm-9:52 pm

2 stops23h 42m

$876

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Tue 10/27

9:31 am-10:45 pm

2 stops23h 14m

Chiang Mai

Tue 12/8

12:20 am-1:35 pm

2 stops28h 15m

$903

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/20

9:40 am-12:20 am

2 stops23h 40m

Bangkok Suvarnabhumi

Sun 1/24

9:40 pm-7:03 pm

2 stops36h 23m

$912

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 2/15

9:40 am-11:05 pm

2 stops22h 25m

Bangkok Suvarnabhumi

Tue 2/23

9:40 pm-7:03 pm

2 stops36h 23m

$912

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/17

5:45 pm-1:25 pm

2 stops28h 40m

Bangkok Suvarnabhumi

Tue 1/26

9:50 am-4:59 pm

2 stops22h 09m

$917

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:10 pm-12:20 am

2 stops38h 10m

Bangkok Suvarnabhumi

Sun 12/13

11:55 pm-2:41 pm

2 stops29h 46m

$938

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

$976

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 1/14

7:09 am-11:35 pm

2 stops25h 26m

Bangkok Suvarnabhumi

Sat 1/23

7:55 am-1:29 pm

2 stops20h 34m

$1,059

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 12/6

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Thu 12/10

7:55 am-1:50 pm

2 stops20h 55m

$1,064

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 $1,007.

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 $1,158 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	$445
Fastest flight time	22h 22m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $445. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $876.

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

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 October 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 8,636 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.8 393 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,624 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 851 reviews	Search China Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
United Airlines	PriceFrom $872	Free Cancellation	Rating 7.4 10,315 reviews	Search United Airlines flights
Air Canada	PriceFrom $896	Free Cancellation	Rating 7.1 11,743 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,545 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,934 reviews	Search Japan Airlines flights
Cathay Pacific	PriceFrom $976	Free Cancellation	Rating 7.6 1,511 reviews	Search Cathay Pacific 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.