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?

United Airlines, Air Canada, and Delta 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 September 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.

$436 Cheap Flights from Portland to Thailand in 2026

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.

7:00 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Vancouver Intl Incheon Intl

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

25h 06m1 stop Vancouver Intl

$816Air Canada

Thu, Dec 3 - Sun, Dec 13

7:00 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Vancouver Intl Incheon Intl

9:50 am - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

19h 51m2 stops Incheon Intl Vancouver Intl

$823Air Canada

Thu, Dec 3 - Sun, Dec 13

7:45 pm - 1:15 pmPDX Portland-HKT Phuket City

27h 30m2 stops Vancouver Intl Singapore Changi

10:45 pm - 7:11 pmHKT Phuket City-PDX Portland

34h 26m2 stops Incheon Intl Vancouver Intl

$883Multiple Airlines

Thu, Sep 24 - Mon, Oct 5

7:45 pm - 1:15 pmPDX Portland-HKT Phuket City

27h 30m2 stops Vancouver Intl Singapore Changi

10:45 pm - 2:46 pmHKT Phuket City-PDX Portland

30h 01m2 stops Incheon Intl Vancouver Intl

$883Multiple Airlines

Thu, Sep 24 - Tue, Oct 6

5:30 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops San Francisco Tokyo Narita

7:00 am - 4:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 11m2 stops Tokyo Narita San Francisco

$938ANA

Tue, Dec 29 - Wed, Apr 21

2:34 pm - 4:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

34h 56m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 8:40 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 00m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Mon, Jan 18 - Mon, Jan 25

2:34 pm - 4:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

34h 56m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 45m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Wed, Jan 27 - Sun, Feb 14

6:40 am - 10:45 pmPDX Portland-CNX Chiang Mai

25h 05m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 1:18 pmCNX Chiang Mai-PDX Portland

26h 58m2 stops Incheon Intl Seattle/Tacoma Intl

$943Korean Air

Mon, Mar 1 - Sun, Mar 14

6:40 am - 10:45 pmPDX Portland-CNX Chiang Mai

25h 05m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 7:28 pmCNX Chiang Mai-PDX Portland

34h 08m2 stops Incheon Intl Los Angeles

$998Korean Air

Mon, Feb 22 - Wed, Feb 24

7:30 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 20m2 stops San Francisco Tokyo Narita

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

29h 05m2 stops Tokyo Narita San Francisco

$1,039ANA

Mon, Jan 18 - Fri, Jan 29

Cheap last minute flights

Enter your travel dates to find the best prices.

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

42h 05m2 stops Vancouver Intl Incheon Intl

8:00 am - 9:31 amBKK Bangkok Suvarnabhumi-PDX Portland

39h 31m2 stops Singapore Changi Vancouver Intl

$783Air Canada

Tue, Sep 15 - Wed, Sep 30

7:45 pm - 10:10 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 25m2 stops Vancouver Intl Singapore Changi

1:35 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

31h 36m2 stops Incheon Intl Vancouver Intl

$783Air Canada

Tue, Sep 15 - Sun, Sep 27

8:18 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:50 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 35m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$894Multiple Airlines

Mon, Sep 14 - Wed, Sep 16

8:18 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:50 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 35m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$928Multiple Airlines

Wed, Sep 16 - Sat, Sep 26

8:18 pm - 4:40 pmPDX Portland-BKK Bangkok Suvarnabhumi

30h 22m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:10 pm - 10:50 amBKK Bangkok Suvarnabhumi-PDX Portland

35h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$935Multiple Airlines

Sun, Sep 13 - Mon, Sep 21

5:55 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 05m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:10 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

34h 15m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Wed, Sep 16 - Wed, Sep 30

8:18 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:45 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

34h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Thu, Sep 17 - Sat, Dec 12

7:21 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

67h 44m2 stops San Francisco Vancouver Intl

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

29h 46m2 stops Incheon Intl Vancouver Intl

$949Air Canada

Thu, Sep 17 - Sat, Dec 12

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

30h 32m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 10:57 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 22m2 stops Tokyo Haneda San Francisco

$1,002United Airlines

Tue, Sep 15 - Wed, Sep 30

3:40 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 55m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 10:57 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 22m2 stops Tokyo Haneda San Francisco

$1,002United Airlines

Wed, Sep 16 - Wed, Sep 30

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Japan Airlines flights from Portland to Thailand

Our best Japan Airlines deals on Portland to Thailand flight tickets

Japan Airlines

Jan 20

PDX7:09 amPortland

25h 26m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Jan 28

BKK7:55 amBangkok Suvarnabhumi

20h 53m

2 stops

PDX1:48 pmPortland

$960

Japan Airlines

Sep 26

PDX10:29 amPortland

33h 06m

3 stops

HKT9:35 amPhuket City

Oct 3

HKT9:55 pmPhuket City

29h 29m

3 stops

PDX1:24 pmPortland

$3,044

Korean Air flights from Portland to Thailand

Our best Korean Air deals on Portland to Thailand flight tickets

Korean Air

Mar 1

PDX6:40 amPortland

25h 05m

2 stops

CNX10:45 pmChiang Mai

Mar 14

CNX12:20 amChiang Mai

26h 58m

2 stops

PDX1:18 pmPortland

$943

Korean Air

Sep 22

PDX9:51 amPortland

37h 44m

2 stops

BKK1:35 pmBangkok Suvarnabhumi

Sep 27

BKK9:40 pmBangkok Suvarnabhumi

33h 29m

2 stops

PDX5:09 pmPortland

$998

Korean Air

Sep 29

PDX9:51 amPortland

37h 44m

2 stops

BKK1:35 pmBangkok Suvarnabhumi

Oct 21

BKK2:35 amBangkok Suvarnabhumi

33h 44m

2 stops

PDX10:19 pmPortland

$999

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-12:20 am

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 12/13

8:25 am-6:31 pm

1 stop25h 06m

$816

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-12:20 am

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 12/13

9:50 am-2:41 pm

2 stops19h 51m

$823

PortlandPhuket City

PDX Portland - HKT Phuket City

PDXHKT

Portland

Thu 9/24

7:45 pm-1:15 pm

2 stops27h 30m

Phuket City

Mon 10/5

10:45 pm-7:11 pm

2 stops34h 26m

$883

PortlandPhuket City

PDX Portland - HKT Phuket City

PDXHKT

Portland

Thu 9/24

7:45 pm-1:15 pm

2 stops27h 30m

Phuket City

Tue 10/6

10:45 pm-2:46 pm

2 stops30h 01m

$883

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 12/29

5:30 am-10:50 pm

2 stops26h 20m

Bangkok Suvarnabhumi

Wed 4/21

7:00 am-4:11 pm

2 stops23h 11m

$938

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

2:34 pm-4:30 pm

2 stops34h 56m

Bangkok Suvarnabhumi

Mon 1/25

5:40 pm-8:40 am

2 stops30h 00m

$941

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

2:34 pm-4:30 pm

2 stops34h 56m

Bangkok Suvarnabhumi

Sun 2/14

5:40 pm-9:25 am

2 stops30h 45m

$941

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 3/1

6:40 am-10:45 pm

2 stops25h 05m

Chiang Mai

Sun 3/14

12:20 am-1:18 pm

2 stops26h 58m

$943

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 2/22

6:40 am-10:45 pm

2 stops25h 05m

Chiang Mai

Wed 2/24

12:20 am-7:28 pm

2 stops34h 08m

$998

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

7:30 am-10:50 pm

2 stops24h 20m

Bangkok Suvarnabhumi

Fri 1/29

12:10 am-2:15 pm

2 stops29h 05m

$1,039

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 $1,005.

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 $1,149 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 $1,042 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 18% 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	$436
Fastest flight time	23h 10m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $436. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $816.

The fastest flight from Portland to Thailand takes 23h 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 September 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 8,565 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,482 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 378 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,600 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 844 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $837	Free Cancellation	Rating 8.3 1,913 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights
United Airlines	PriceFrom $872	Free Cancellation	Rating 7.4 10,212 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,524 reviews	Search EVA Air flights
Air Canada	PriceFrom $918	Free Cancellation	Rating 7.1 11,619 reviews	Search Air Canada 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.