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 55% 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.

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

United Airlines 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 November 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.

$415 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.

7:40 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 25m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:30 pm - 10:44 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 14m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$916Multiple Airlines

Fri, Apr 9 - Thu, Apr 22

7:40 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 25m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:30 pm - 10:44 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 14m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$920Multiple Airlines

Fri, Apr 9 - Thu, Apr 22

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

31h 00m2 stops Los Angeles Osaka Kansai Intl

7:55 am - 1:28 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 33m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,141Japan Airlines

Thu, Dec 3 - Tue, Dec 8

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

31h 00m2 stops Los Angeles Osaka Kansai Intl

7:55 am - 1:28 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 33m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,141Japan Airlines

Wed, Dec 2 - Tue, Dec 8

7:40 pm - 4:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

29h 50m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

5:40 pm - 7:43 pmBKK Bangkok Suvarnabhumi-PDX Portland

41h 03m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,148STARLUX Airlines

Wed, Feb 24 - Wed, Mar 10

3:40 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

29h 55m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

1:45 pm - 9:13 pmBKK Bangkok Suvarnabhumi-PDX Portland

22h 28m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,148STARLUX Airlines

Wed, Feb 17 - Tue, Feb 23

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

Tue, Apr 13 - Tue, Apr 20

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

7:00 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 50m2 stops San Francisco Tokyo Narita

12:10 am - 2:15 pmBKK Bangkok Suvarnabhumi-PDX Portland

28h 05m2 stops Tokyo Narita San Francisco

$1,190ANA

Mon, Mar 1 - Mon, Mar 15

7:00 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 50m2 stops San Francisco Tokyo Narita

12:10 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

32h 21m2 stops Tokyo Narita San Francisco

$1,190ANA

Tue, Mar 2 - Mon, Mar 15

Cheap last minute flights

Enter your travel dates to find the best prices.

2:48 pm - 10:35 amPDX Portland-BKK Bangkok Suvarnabhumi

28h 47m2 stops Los Angeles Hong Kong Intl

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

27h 21m1 stop Vancouver Intl

$1,110Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

6:04 pm - 12:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

27h 51m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 9:33 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 53m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$1,110Multiple Airlines

Thu, Nov 12 - Tue, Dec 8

6:04 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

27h 31m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 9:31 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 51m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$1,110Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

1:25 pm - 11:30 amPDX Portland-BKK Bangkok Suvarnabhumi

31h 05m3 stops San Francisco Los Angeles Hong Kong Intl

4:55 pm - 12:15 pmBKK Bangkok Suvarnabhumi-PDX Portland

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

$1,163United Airlines

Thu, Nov 12 - Thu, Dec 10

10:59 am - 11:30 amPDX Portland-BKK Bangkok Suvarnabhumi

33h 31m3 stops San Francisco Los Angeles Hong Kong Intl

4:55 pm - 12:03 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 08m3 stops Hong Kong Intl Los Angeles San Francisco

$1,163United Airlines

Wed, Nov 11 - Tue, Feb 23

10:59 am - 11:30 amPDX Portland-BKK Bangkok Suvarnabhumi

33h 31m3 stops San Francisco Los Angeles Hong Kong Intl

4:55 pm - 6:16 pmBKK Bangkok Suvarnabhumi-PDX Portland

40h 21m2 stops Hong Kong Intl San Francisco

$1,171United Airlines

Wed, Nov 11 - Tue, Feb 23

7:10 pm - 10:35 amPDX Portland-BKK Bangkok Suvarnabhumi

24h 25m2 stops Vancouver Intl Hong Kong Intl

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

21h 16m1 stop Vancouver Intl

$2,069Air Canada

Thu, Nov 12 - Thu, Dec 10

3:15 pm - 6:30 amPDX Portland-BKK Bangkok Suvarnabhumi

24h 15m1 stop Vancouver Intl

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

21h 16m1 stop Vancouver Intl

$2,103Air Canada

Wed, Nov 11 - Wed, Nov 18

7:10 pm - 10:35 amPDX Portland-BKK Bangkok Suvarnabhumi

24h 25m2 stops Vancouver Intl Hong Kong Intl

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

21h 16m1 stop Vancouver Intl

$2,117Air Canada

Thu, Nov 12 - Thu, Dec 10

7:00 am - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 30m2 stops Seattle/Tacoma Intl Incheon Intl

11:55 pm - 5:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

32h 16m2 stops Incheon Intl Seattle/Tacoma Intl

$10,756Korean Air

Tue, Nov 10 - Wed, Nov 11

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Qatar Airways flights from Portland to Thailand

Our best Qatar Airways deals on Portland to Thailand flight tickets

Qatar Airways

Jan 17

PDX5:25 amPortland

34h 15m

2 stops

BKK6:40 amBangkok Suvarnabhumi

Jan 24

BKK3:00 amBangkok Suvarnabhumi

29h 43m

2 stops

PDX5:43 pmPortland

$950

Qatar Airways

Jan 11

PDX5:25 amPortland

34h 15m

2 stops

BKK6:40 amBangkok Suvarnabhumi

Jan 19

BKK6:55 pmBangkok Suvarnabhumi

35h 26m

2 stops

PDX3:21 pmPortland

$986

Qatar Airways

Mar 15

PDX10:40 amPortland

31h 10m

2 stops

HKT7:50 amPhuket City

Mar 21

HKT12:25 amPhuket City

32h 08m

2 stops

PDX6:33 pmPortland

$987

Cathay Pacific flights from Portland to Thailand

Our best Cathay Pacific deals on Portland to Thailand flight tickets

Cathay Pacific

Apr 15

PDX10:30 amPortland

43h 10m

2 stops

USM7:40 pmKo Samui

Apr 19

USM11:55 amKo Samui

44h 38m

2 stops

PDX6:33 pmPortland

$1,201

Cathay Pacific

Apr 15

PDX10:30 amPortland

43h 10m

2 stops

USM7:40 pmKo Samui

Apr 19

USM11:55 amKo Samui

44h 38m

2 stops

PDX6:33 pmPortland

$1,202

Cathay Pacific

Mar 14

PDX5:40 pmPortland

27h 40m

2 stops

HKT11:20 amPhuket City

Mar 18

HKT12:20 pmPhuket City

25h 34m

2 stops

PDX11:54 pmPortland

$1,220

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Fri 4/9

7:40 pm-12:05 pm

2 stops26h 25m

Bangkok Suvarnabhumi

Thu 4/22

1:30 pm-10:44 pm

2 stops23h 14m

$916

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Fri 4/9

7:40 pm-12:05 pm

2 stops26h 25m

Bangkok Suvarnabhumi

Thu 4/22

1:30 pm-10:44 pm

2 stops23h 14m

$920

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Tue 12/8

7:55 am-1:28 pm

2 stops20h 33m

$1,141

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 12/2

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Tue 12/8

7:55 am-1:28 pm

2 stops20h 33m

$1,141

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 2/24

7:40 pm-4:30 pm

2 stops29h 50m

Bangkok Suvarnabhumi

Wed 3/10

5:40 pm-7:43 pm

2 stops41h 03m

$1,148

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 2/17

3:40 pm-12:35 pm

2 stops29h 55m

Bangkok Suvarnabhumi

Tue 2/23

1:45 pm-9:13 pm

2 stops22h 28m

$1,148

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 4/13

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Tue 4/20

9:35 am-8:33 pm

2 stops24h 58m

$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

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 3/1

7:00 am-10:50 pm

2 stops24h 50m

Bangkok Suvarnabhumi

Mon 3/15

12:10 am-2:15 pm

2 stops28h 05m

$1,190

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 3/2

7:00 am-10:50 pm

2 stops24h 50m

Bangkok Suvarnabhumi

Mon 3/15

12:10 am-6:31 pm

2 stops32h 21m

$1,190

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 $988.

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 $1,168 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 4% 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	$415
Fastest flight time	24h 10m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $415. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $916.

The fastest flight from Portland to Thailand takes 24h 10m

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 November 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 8,702 reviews	Search Delta flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,632 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $773	Free Cancellation	Rating 8.8 412 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 856 reviews	Search China Airlines flights
Korean Air	PriceFrom $862	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
United Airlines	PriceFrom $875	Free Cancellation	Rating 7.3 10,469 reviews	Search United Airlines flights
Air Canada	PriceFrom $889	Free Cancellation	Rating 7.1 11,875 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,552 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,969 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,026	Free Cancellation	Rating 8.3 1,341 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.