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 United 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.

$395 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.

7:10 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

$838Air Canada

Thu, Dec 3 - Sun, Dec 13

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

$875Multiple Airlines

Wed, Nov 11 - Mon, Nov 16

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

$876Air Canada

Thu, Dec 3 - Sun, Dec 13

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 - Mon, Nov 16

6:40 am - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 50m2 stops Seattle/Tacoma Intl Incheon Intl

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

22h 09m2 stops Incheon Intl Seattle/Tacoma Intl

$890Korean Air

Wed, Jan 27 - Mon, Feb 8

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

Wed, Oct 28 - Mon, Dec 7

9:16 am - 10:45 pmPDX Portland-CNX Chiang Mai

22h 29m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 6:58 pmCNX Chiang Mai-PDX Portland

33h 38m2 stops Incheon Intl Seattle/Tacoma Intl

$912Delta

Wed, Nov 25 - Wed, Dec 2

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

22h 25m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 11:32 pmBKK Bangkok Suvarnabhumi-PDX Portland

40h 52m2 stops Incheon Intl Seattle/Tacoma Intl

$912Delta

Mon, Jan 18 - Sun, Jan 31

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

31h 00m2 stops Los Angeles Osaka Kansai Intl

9:50 am - 10:39 pmBKK Bangkok Suvarnabhumi-PDX Portland

51h 49m2 stops Tokyo Haneda Los Angeles

$972Japan Airlines

Mon, Jan 18 - Sun, Jan 24

7:00 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

31h 05m2 stops San Francisco Tokyo Haneda

7:55 am - 1:48 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 53m2 stops Tokyo Narita San Francisco

$973Japan Airlines

Tue, Dec 8 - Wed, Jan 20

Cheap last minute flights

Enter your travel dates to find the best prices.

7:18 am - 6:30 amPDX Portland-BKK Bangkok Suvarnabhumi

33h 12m3 stops San Francisco Kolkata Netaji S. Chandra New Delhi Indira Gandhi Intl

5:55 pm - 10:52 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 57m2 stops New Delhi Indira Gandhi Intl San Francisco

$965Multiple Airlines

Mon, Oct 5 - Tue, Oct 20

9:00 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 55m2 stops San Francisco Tokyo Narita

7:00 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 31m2 stops Tokyo Narita San Francisco

$1,007ANA

Mon, Oct 5 - Tue, Oct 20

5:30 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 25m2 stops San Francisco Tokyo Narita

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

36h 42m3 stops Hong Kong Intl Los Angeles San Francisco

$1,014United Airlines

Mon, Oct 5 - Tue, Oct 20

9:00 am - 10:15 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 15m2 stops San Francisco Tokyo Narita

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

49h 25m2 stops Tokyo Haneda San Francisco

$1,035United Airlines

Mon, Oct 5 - Tue, Oct 20

6:30 am - 4:40 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 10m2 stops Los Angeles Osaka Kansai Intl

7:55 am - 1:24 pmBKK Bangkok Suvarnabhumi-PDX Portland

19h 29m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,053Multiple Airlines

Mon, Oct 5 - Tue, Oct 20

7:00 am - 10:15 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 15m2 stops San Francisco Tokyo Narita

7:10 am - 2:38 pmBKK Bangkok Suvarnabhumi-PDX Portland

22h 28m2 stops Tokyo Narita San Francisco

$1,054ANA

Tue, Oct 6 - Sat, Dec 12

5:33 am - 1:05 amPDX Portland-BKK Bangkok Suvarnabhumi

29h 32m2 stops Salt Lake City Incheon Intl

11:30 pm - 11:59 pmBKK Bangkok Suvarnabhumi-PDX Portland

38h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$1,162Delta

Tue, Oct 6 - Tue, Oct 13

5:33 am - 1:05 amPDX Portland-BKK Bangkok Suvarnabhumi

29h 32m2 stops Salt Lake City Incheon Intl

11:30 pm - 11:59 pmBKK Bangkok Suvarnabhumi-PDX Portland

38h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$1,162Delta

Wed, Oct 7 - Tue, Oct 13

3:30 pm - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

42h 05m2 stops Vancouver Intl Incheon Intl

8:25 am - 8:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 21m1 stop Vancouver Intl

$1,291Air Canada

Tue, Oct 6 - Sat, Dec 12

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

37h 50m2 stops Vancouver Intl Incheon Intl

8:25 am - 8:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 21m1 stop Vancouver Intl

$1,380Air Canada

Tue, Oct 6 - Sat, Dec 12

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Korean Air flights from Portland to Thailand

Our best Korean Air deals on Portland to Thailand flight tickets

Korean Air

Jan 27

PDX6:40 amPortland

23h 50m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Feb 8

BKK9:50 amBangkok Suvarnabhumi

22h 09m

2 stops

PDX4:59 pmPortland

$890

Korean Air

Oct 28

PDX9:31 amPortland

23h 14m

2 stops

CNX10:45 pmChiang Mai

Dec 7

CNX12:20 amChiang Mai

28h 15m

2 stops

PDX1:35 pmPortland

$903

Korean Air

Nov 4

PDX7:00 amPortland

23h 30m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Nov 18

BKK11:15 pmBangkok Suvarnabhumi

29h 20m

2 stops

PDX1:35 pmPortland

$917

Delta flights from Portland to Thailand

Our best Delta deals on Portland to Thailand flight tickets

Delta

Jan 18

PDX9:40 amPortland

22h 25m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Jan 31

BKK9:40 pmBangkok Suvarnabhumi

40h 52m

2 stops

PDX11:32 pmPortland

$912

Delta

Oct 18

PDX12:29 pmPortland

46h 36m

2 stops

BKK1:05 amBangkok Suvarnabhumi

Nov 5

BKK9:50 amBangkok Suvarnabhumi

25h 10m

2 stops

PDX8:00 pmPortland

$918

Delta

Jan 18

PDX9:40 amPortland

23h 40m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Jan 29

BKK9:50 amBangkok Suvarnabhumi

24h 13m

2 stops

PDX7:03 pmPortland

$968

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$838

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/11

2:10 pm-12:05 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Mon 11/16

1:10 pm-11:00 pm

2 stops24h 50m

$875

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

$876

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/11

2:10 pm-12:05 pm

2 stops30h 55m

Bangkok Suvarnabhumi

Mon 11/16

1:10 pm-11:00 pm

2 stops24h 50m

$876

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

6:40 am-9:30 pm

2 stops23h 50m

Bangkok Suvarnabhumi

Mon 2/8

9:50 am-4:59 pm

2 stops22h 09m

$890

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Wed 10/28

9:31 am-10:45 pm

2 stops23h 14m

Chiang Mai

Mon 12/7

12:20 am-1:35 pm

2 stops28h 15m

$903

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Wed 11/25

9:16 am-10:45 pm

2 stops22h 29m

Chiang Mai

Wed 12/2

12:20 am-6:58 pm

2 stops33h 38m

$912

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

9:40 am-11:05 pm

2 stops22h 25m

Bangkok Suvarnabhumi

Sun 1/31

9:40 pm-11:32 pm

2 stops40h 52m

$912

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Sun 1/24

9:50 am-10:39 pm

2 stops51h 49m

$972

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 12/8

7:00 am-5:05 am

2 stops31h 05m

Bangkok Suvarnabhumi

Wed 1/20

7:55 am-1:48 pm

2 stops20h 53m

$973

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 $1,154 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	$395
Fastest flight time	22h 25m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $395. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $838.

The fastest flight from Portland to Thailand takes 22h 25m

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 8,631 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,507 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.7 390 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,619 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 10,280 reviews	Search United Airlines flights
Air Canada	PriceFrom $896	Free Cancellation	Rating 7.1 11,712 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,539 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,932 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.