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

Alaska Airlines, Korean Air, and United Airlines 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 52% 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.

$421 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.

9:45 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 35m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 6:43 pmBKK Bangkok Suvarnabhumi-PDX Portland

22h 53m2 stops Incheon Intl Seattle/Tacoma Intl

$962Delta

Tue, Jan 19 - Tue, Apr 13

9:45 am - 11:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

22h 20m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 11:52 pmBKK Bangkok Suvarnabhumi-PDX Portland

28h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$962Delta

Mon, Jan 18 - Thu, Apr 15

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

26h 00m2 stops Los Angeles Incheon Intl

11:30 pm - 1:18 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 48m2 stops Incheon Intl Seattle/Tacoma Intl

$968Korean Air

Wed, Jan 20 - Sun, Apr 18

5:48 pm - 1:25 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 37m2 stops Seattle/Tacoma Intl Incheon Intl

11:30 pm - 1:18 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 48m2 stops Incheon Intl Seattle/Tacoma Intl

$968Korean Air

Sun, Jan 17 - Sun, Apr 18

5:00 am - 12:55 pmPDX Portland-HKT Phuket City

40h 55m2 stops Seattle/Tacoma Intl Doha Hamad Intl

12:25 am - 2:55 pmHKT Phuket City-PDX Portland

29h 30m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$983Qatar Airways

Wed, Mar 3 - Thu, Mar 11

7:30 am - 12:55 pmPDX Portland-HKT Phuket City

38h 25m2 stops Seattle/Tacoma Intl Doha Hamad Intl

8:20 am - 2:55 pmHKT Phuket City-PDX Portland

45h 35m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$986Qatar Airways

Mon, Feb 8 - Thu, Feb 18

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

31h 00m2 stops Los Angeles Osaka Kansai Intl

1:00 am - 11:28 pmBKK Bangkok Suvarnabhumi-PDX Portland

37h 28m2 stops Osaka Kansai Intl Los Angeles

$1,020Japan Airlines

Thu, Dec 3 - Sun, Dec 6

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

30h 56m2 stops San Francisco Tokyo Haneda

1:00 am - 9:21 pmBKK Bangkok Suvarnabhumi-PDX Portland

35h 21m2 stops Osaka Kansai Intl Los Angeles

$1,026Japan Airlines

Wed, Jan 27 - Wed, Feb 10

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

Wed, Apr 14 - Thu, Apr 22

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 14 - Wed, Apr 21

Cheap last minute flights

Enter your travel dates to find the best prices.

6:45 am - 11:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Los Angeles Incheon Intl

9:40 pm - 4:21 pmBKK Bangkok Suvarnabhumi-PDX Portland

33h 41m2 stops Incheon Intl Los Angeles

$998Korean Air

Tue, Oct 27 - Tue, Nov 24

6:45 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 35m2 stops Los Angeles Incheon Intl

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

30h 55m2 stops Incheon Intl Seattle/Tacoma Intl

$998Korean Air

Tue, Oct 27 - Tue, Nov 24

6:40 am - 10:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 05m2 stops Los Angeles Manila Ninoy Aquino Intl

9:55 am - 11:00 pmBKK Bangkok Suvarnabhumi-PDX Portland

28h 05m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$1,099Multiple Airlines

Wed, Oct 28 - Wed, Nov 11

7:03 am - 10:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Manila Ninoy Aquino Intl

11:40 pm - 10:58 pmBKK Bangkok Suvarnabhumi-PDX Portland

38h 18m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$1,104Multiple Airlines

Tue, Oct 27 - Tue, Nov 24

3:40 pm - 11:30 amPDX Portland-BKK Bangkok Suvarnabhumi

29h 50m3 stops San Francisco Los Angeles Hong Kong Intl

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

24h 10m2 stops Tokyo Haneda San Francisco

$1,154United Airlines

Wed, Oct 28 - Wed, Nov 11

3:40 pm - 11:30 amPDX Portland-BKK Bangkok Suvarnabhumi

29h 50m3 stops San Francisco Los Angeles Hong Kong Intl

4:55 pm - 10:18 amBKK Bangkok Suvarnabhumi-PDX Portland

32h 23m3 stops Hong Kong Intl Los Angeles San Francisco

$1,163United Airlines

Tue, Oct 27 - Tue, Nov 24

10:00 am - 5:20 amPDX Portland-BKK Bangkok Suvarnabhumi

29h 20m1 stop Vancouver Intl

8:25 am - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 16m1 stop Vancouver Intl

$1,419Air Canada

Wed, Oct 28 - Wed, Nov 11

10:00 am - 5:20 amPDX Portland-BKK Bangkok Suvarnabhumi

29h 20m1 stop Vancouver Intl

1:05 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

32h 26m2 stops Incheon Intl Vancouver Intl

$1,436Air Canada

Wed, Oct 28 - Tue, Nov 10

7:35 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 00m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

1:45 pm - 6:45 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 00m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,592STARLUX Airlines

Sun, Nov 1 - Fri, Nov 27

7:35 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 00m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

2:50 pm - 8:51 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 01m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,752STARLUX Airlines

Sun, Nov 1 - Sat, Nov 28

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Delta flights from Portland to Thailand

Our best Delta deals on Portland to Thailand flight tickets

Delta

Jan 18

PDX9:45 amPortland

23h 35m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Apr 14

BKK11:30 pmBangkok Suvarnabhumi

38h 22m

2 stops

PDX11:52 pmPortland

$962

Delta

Jan 17

PDX5:48 pmPortland

39h 32m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Jan 27

BKK1:05 amBangkok Suvarnabhumi

28h 04m

2 stops

PDX2:09 pmPortland

$968

Delta

Jan 19

PDX6:40 amPortland

26h 40m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Jan 27

BKK9:40 pmBangkok Suvarnabhumi

36h 23m

2 stops

PDX7:03 pmPortland

$992

Alaska Airlines flights from Portland to Thailand

Our best Alaska Airlines deals on Portland to Thailand flight tickets

Alaska Airlines

Jan 15

PDX11:00 amPortland

28h 15m

2 stops

BKK6:15 amBangkok Suvarnabhumi

Jan 28

BKK3:00 amBangkok Suvarnabhumi

32h 09m

2 stops

PDX8:09 pmPortland

$1,038

Alaska Airlines

Jan 14

PDX6:25 amPortland

26h 55m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Apr 20

BKK9:50 amBangkok Suvarnabhumi

22h 43m

2 stops

PDX6:33 pmPortland

$1,046

Alaska Airlines

Jan 13

PDX11:00 amPortland

40h 55m

2 stops

HKT6:55 pmPhuket City

Jan 27

HKT12:25 amPhuket City

34h 44m

2 stops

PDX8:09 pmPortland

$1,050

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

9:45 am-12:20 am

2 stops23h 35m

Bangkok Suvarnabhumi

Tue 4/13

9:50 am-6:43 pm

2 stops22h 53m

$962

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

9:45 am-11:05 pm

2 stops22h 20m

Bangkok Suvarnabhumi

Thu 4/15

9:50 am-11:52 pm

2 stops28h 02m

$962

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/20

7:20 am-12:20 am

2 stops26h 00m

Bangkok Suvarnabhumi

Sun 4/18

11:30 pm-1:18 pm

2 stops27h 48m

$968

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/17

5:48 pm-1:25 pm

2 stops28h 37m

Bangkok Suvarnabhumi

Sun 4/18

11:30 pm-1:18 pm

2 stops27h 48m

$968

PortlandPhuket City

PDX Portland - HKT Phuket City

PDXHKT

Portland

Wed 3/3

5:00 am-12:55 pm

2 stops40h 55m

Phuket City

Thu 3/11

12:25 am-2:55 pm

2 stops29h 30m

$983

PortlandPhuket City

PDX Portland - HKT Phuket City

PDXHKT

Portland

Mon 2/8

7:30 am-12:55 pm

2 stops38h 25m

Phuket City

Thu 2/18

8:20 am-2:55 pm

2 stops45h 35m

$986

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Sun 12/6

1:00 am-11:28 pm

2 stops37h 28m

$1,020

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

7:09 am-5:05 am

2 stops30h 56m

Bangkok Suvarnabhumi

Wed 2/10

1:00 am-9:21 pm

2 stops35h 21m

$1,026

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 4/14

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Thu 4/22

9:35 am-12:54 am

2 stops29h 19m

$1,149

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 4/14

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Wed 4/21

9:35 am-8:33 pm

2 stops24h 58m

$1,149

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 $964. 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 $1,164 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 $985 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 15% 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	$421
Fastest flight time	22h 00m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $421. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $962.

The fastest flight from Portland to Thailand takes 22h 00m

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 8,681 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 403 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,627 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 853 reviews	Search China Airlines flights
Korean Air	PriceFrom $862	Free Cancellation	Rating 8.4 1,219 reviews	Search Korean Air flights
United Airlines	PriceFrom $872	Free Cancellation	Rating 7.3 10,444 reviews	Search United Airlines flights
Air Canada	PriceFrom $896	Free Cancellation	Rating 7.1 11,819 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,551 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,945 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,026	Free Cancellation	Rating 8.3 1,340 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.