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

Alaska Airlines, Japan Airlines, and Korean Air are the most popular carriers operating from Portland to Thailand

What airlines fly to Thailand?

Air Canada, United Airlines and STARLUX 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 51% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 10 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

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 10 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.

9:30 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

47h 35m2 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

$886Multiple Airlines

Sat, Nov 21 - Wed, Dec 2

9:59 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

47h 06m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

11:40 pm - 9:52 pmBKK Bangkok Suvarnabhumi-PDX Portland

37h 12m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$886Multiple Airlines

Sat, Nov 7 - Sat, Dec 12

7:05 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 15m2 stops Los Angeles Incheon Intl

9:40 pm - 1:35 pmBKK Bangkok Suvarnabhumi-PDX Portland

30h 55m2 stops Incheon Intl Seattle/Tacoma Intl

$893Korean Air

Wed, Nov 25 - Wed, Dec 2

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

$939Korean Air

Wed, Jan 27 - Tue, Feb 9

6:40 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 40m2 stops Seattle/Tacoma Intl Incheon Intl

11:30 pm - 6:43 pmBKK Bangkok Suvarnabhumi-PDX Portland

33h 13m2 stops Incheon Intl Seattle/Tacoma Intl

$962Delta

Mon, Feb 22 - Mon, Apr 12

6:40 am - 1:25 pmPDX Portland-BKK Bangkok Suvarnabhumi

39h 45m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 8:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

37h 10m2 stops Incheon Intl Seattle/Tacoma Intl

$962Delta

Mon, Feb 22 - Mon, Apr 12

9:24 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

34h 11m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 8:33 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 58m2 stops Tokyo Haneda San Francisco

$1,149United Airlines

Wed, Apr 7 - Mon, Apr 19

9:24 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

34h 11m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 12:54 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 19m2 stops Tokyo Haneda San Francisco

$1,149United Airlines

Mon, Apr 5 - Tue, Apr 20

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

31h 00m2 stops Los Angeles Osaka Kansai Intl

7:55 am - 1:27 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 32m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,164Japan Airlines

Thu, Dec 3 - Thu, Dec 17

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

25h 26m2 stops San Francisco Tokyo Narita

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

20h 53m2 stops Tokyo Narita San Francisco

$1,175Japan Airlines

Thu, Jan 7 - Thu, Jan 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

32h 10m2 stops Los Angeles Osaka Kansai Intl

7:55 am - 4:34 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 39m2 stops Tokyo Narita San Francisco

$1,028Japan Airlines

Tue, Oct 20 - Tue, Nov 3

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

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

2:15 am - 10:52 amBKK Bangkok Suvarnabhumi-PDX Portland

22h 37m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,060Multiple Airlines

Thu, Oct 15 - Tue, Oct 27

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

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

8:30 am - 9:29 amBKK Bangkok Suvarnabhumi-PDX Portland

38h 59m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,060Multiple Airlines

Thu, Oct 15 - Wed, Oct 21

7:10 am - 10:10 pmPDX Portland-HKT Phuket City

25h 00m2 stops Seattle/Tacoma Intl Incheon Intl

10:55 pm - 9:00 pmHKT Phuket City-PDX Portland

36h 05m2 stops Incheon Intl Seattle/Tacoma Intl

$1,118Delta

Tue, Oct 20 - Sat, Oct 31

9:31 am - 10:10 pmPDX Portland-HKT Phuket City

22h 39m2 stops Seattle/Tacoma Intl Incheon Intl

10:55 pm - 6:04 pmHKT Phuket City-PDX Portland

33h 09m2 stops Incheon Intl Seattle/Tacoma Intl

$1,124Korean Air

Tue, Oct 20 - Sat, Oct 31

9:31 am - 10:10 pmPDX Portland-HKT Phuket City

22h 39m2 stops Seattle/Tacoma Intl Incheon Intl

10:55 pm - 11:19 pmHKT Phuket City-PDX Portland

38h 24m2 stops Incheon Intl Los Angeles

$1,124Korean Air

Tue, Oct 20 - Sat, Oct 31

9:00 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

34h 35m3 stops San Francisco Los Angeles Hong Kong Intl

9:10 am - 6:20 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 10m2 stops Tokyo Haneda San Francisco

$1,153United Airlines

Thu, Oct 15 - Wed, Oct 28

3:23 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

28h 12m3 stops San Francisco Los Angeles Hong Kong Intl

3:45 pm - 12:05 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 20m3 stops Hong Kong Intl Los Angeles San Francisco

$1,163United Airlines

Thu, Oct 15 - Wed, Oct 21

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

40h 40m2 stops Vancouver Intl Singapore Changi

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

25h 06m1 stop Vancouver Intl

$1,440Air Canada

Sun, Oct 18 - Fri, Dec 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

40h 01m1 stop Vancouver Intl

$1,538Air Canada

Mon, Oct 19 - Wed, Nov 4

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Korean Air flights from Portland to Thailand

Our best Korean Air deals on Portland to Thailand flight tickets

Korean Air

Nov 25

PDX7:05 amPortland

26h 15m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Dec 2

BKK9:40 pmBangkok Suvarnabhumi

30h 55m

2 stops

PDX1:35 pmPortland

$893

Korean Air

Jan 27

PDX6:40 amPortland

23h 50m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Feb 10

BKK11:15 pmBangkok Suvarnabhumi

31h 58m

2 stops

PDX4:13 pmPortland

$939

Korean Air

Oct 27

PDX9:31 amPortland

21h 59m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Nov 9

BKK1:05 amBangkok Suvarnabhumi

31h 06m

2 stops

PDX5:11 pmPortland

$968

Delta flights from Portland to Thailand

Our best Delta deals on Portland to Thailand flight tickets

Delta

Feb 22

PDX6:40 amPortland

39h 45m

2 stops

BKK1:25 pmBangkok Suvarnabhumi

Apr 12

BKK9:40 pmBangkok Suvarnabhumi

37h 10m

2 stops

PDX8:50 pmPortland

$962

Delta

Feb 21

PDX7:40 pmPortland

37h 40m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Apr 13

BKK9:50 amBangkok Suvarnabhumi

25h 00m

2 stops

PDX8:50 pmPortland

$968

Delta

Feb 20

PDX9:40 amPortland

22h 25m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Mar 9

BKK11:15 pmBangkok Suvarnabhumi

34h 28m

2 stops

PDX6:43 pmPortland

$1,018

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sat 11/21

9:30 pm-12:05 pm

2 stops47h 35m

Bangkok Suvarnabhumi

Wed 12/2

1:10 pm-9:52 pm

2 stops23h 42m

$886

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sat 11/7

9:59 pm-12:05 pm

2 stops47h 06m

Bangkok Suvarnabhumi

Sat 12/12

11:40 pm-9:52 pm

2 stops37h 12m

$886

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/25

7:05 am-12:20 am

2 stops26h 15m

Bangkok Suvarnabhumi

Wed 12/2

9:40 pm-1:35 pm

2 stops30h 55m

$893

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

Tue 2/9

9:50 am-4:59 pm

2 stops22h 09m

$939

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 2/22

6:40 am-12:20 am

2 stops26h 40m

Bangkok Suvarnabhumi

Mon 4/12

11:30 pm-6:43 pm

2 stops33h 13m

$962

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 2/22

6:40 am-1:25 pm

2 stops39h 45m

Bangkok Suvarnabhumi

Mon 4/12

9:40 pm-8:50 pm

2 stops37h 10m

$962

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 4/7

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Mon 4/19

9:35 am-8:33 pm

2 stops24h 58m

$1,149

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 4/5

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Tue 4/20

9:35 am-12:54 am

2 stops29h 19m

$1,149

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Thu 12/17

7:55 am-1:27 pm

2 stops20h 32m

$1,164

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 1/7

7:09 am-11:35 pm

2 stops25h 26m

Bangkok Suvarnabhumi

Thu 1/14

7:55 am-1:48 pm

2 stops20h 53m

$1,175

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 $927. 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 $983.

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 $1,161 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 7% 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 25m
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 $886.

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 10 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 8,651 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 400 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,625 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.2 850 reviews	Search China Airlines flights
Korean Air	PriceFrom $862	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
United Airlines	PriceFrom $872	Free Cancellation	Rating 7.4 10,364 reviews	Search United Airlines flights
Air Canada	PriceFrom $896	Free Cancellation	Rating 7.1 11,774 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,549 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,938 reviews	Search Japan Airlines flights
ANA	PriceFrom $978	Free Cancellation	Rating 8.3 1,325 reviews	Search ANA 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.