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

Air Canada and Korean Air are the most popular carriers operating from Portland to Thailand

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.

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 August 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.

$419 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.

3:30 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 35m1 stop Vancouver Intl

7:05 am - 2:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 41m1 stop Vancouver Intl

$754Air Canada

Mon, Sep 7 - Wed, Oct 21

7:45 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

19h 20m1 stop Vancouver Intl

7:05 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 06m1 stop Vancouver Intl

$754Air Canada

Mon, Sep 7 - Wed, Oct 21

7:45 pm - 8:20 amPDX Portland-HKT Phuket City

22h 35m2 stops Vancouver Intl Singapore Changi

7:10 pm - 2:46 pmHKT Phuket City-PDX Portland

33h 36m2 stops Bangkok Suvarnabhumi Vancouver Intl

$815Multiple Airlines

Thu, Sep 24 - Tue, Oct 6

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

27h 30m2 stops Vancouver Intl Singapore Changi

9:55 pm - 9:31 amHKT Phuket City-PDX Portland

25h 36m2 stops Bangkok Suvarnabhumi Vancouver Intl

$815Multiple Airlines

Thu, Sep 24 - Tue, Oct 6

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

25h 26m2 stops San Francisco Tokyo Narita

7:55 am - 1:29 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$964Japan Airlines

Tue, Jan 19 - Wed, Jan 27

9:30 pm - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

35h 05m2 stops Seattle/Tacoma Intl Tokyo Narita

7:55 am - 1:29 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$974Japan Airlines

Sun, Jan 31 - Tue, Feb 9

9:32 am - 11:20 pmPDX Portland-BKK Bangkok Suvarnabhumi

22h 48m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 am - 11:56 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 16m2 stops Incheon Intl Seattle/Tacoma Intl

$992Delta

Mon, Nov 9 - Mon, Nov 16

5:30 am - 9:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 15m2 stops Seattle/Tacoma Intl Incheon Intl

9:30 pm - 11:59 pmBKK Bangkok Suvarnabhumi-PDX Portland

40h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$992Delta

Tue, Oct 6 - Sun, Oct 25

7:15 pm - 4:35 amPDX Portland-BKK Bangkok Suvarnabhumi

43h 20m2 stops San Francisco Tokyo Haneda

9:35 am - 10:45 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 10m2 stops Tokyo Haneda San Francisco

$994United Airlines

Sun, Sep 6 - Thu, Sep 10

7:30 am - 5:10 amPDX Portland-BKK Bangkok Suvarnabhumi

30h 40m2 stops San Francisco Tokyo Haneda

9:10 am - 8:33 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 23m2 stops Tokyo Haneda San Francisco

$998United Airlines

Mon, Jan 11 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

10:10 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

28h 55m1 stop Vancouver Intl

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

31h 36m2 stops Incheon Intl Vancouver Intl

$821Air Canada

Wed, Aug 26 - Mon, Sep 14

10:10 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 25m2 stops Vancouver Intl Incheon Intl

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

31h 36m2 stops Incheon Intl Vancouver Intl

$828Air Canada

Wed, Aug 26 - Mon, Sep 14

7:45 pm - 9:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 00m2 stops Vancouver Intl Incheon Intl

8:25 am - 2:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 21m2 stops Osaka Kansai Intl Vancouver Intl

$967Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

7:03 am - 5:45 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 42m2 stops San Francisco Tokyo Haneda

7:55 am - 1:37 pmBKK Bangkok Suvarnabhumi-PDX Portland

19h 42m2 stops Tokyo Narita Seattle/Tacoma Intl

$981Japan Airlines

Thu, Aug 27 - Thu, Sep 10

7:03 am - 5:45 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 42m2 stops San Francisco Tokyo Haneda

7:55 am - 4:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

22h 55m2 stops Tokyo Narita San Francisco

$982Japan Airlines

Thu, Aug 27 - Thu, Sep 10

5:30 am - 4:35 amPDX Portland-BKK Bangkok Suvarnabhumi

33h 05m2 stops San Francisco Tokyo Haneda

9:35 am - 8:59 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 24m2 stops Tokyo Haneda San Francisco

$998United Airlines

Wed, Aug 26 - Mon, Sep 14

5:30 am - 4:35 amPDX Portland-BKK Bangkok Suvarnabhumi

33h 05m2 stops San Francisco Tokyo Haneda

9:35 am - 10:45 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 10m2 stops Tokyo Haneda San Francisco

$998United Airlines

Wed, Aug 26 - Wed, Sep 9

7:00 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 55m2 stops San Francisco Tokyo Narita

11:35 pm - 2:36 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 01m2 stops Tokyo Narita San Francisco

$1,007ANA

Thu, Aug 27 - Sun, Sep 13

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

24h 55m2 stops San Francisco Tokyo Narita

11:35 pm - 2:36 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 01m2 stops Tokyo Narita San Francisco

$1,038ANA

Fri, Aug 28 - Sun, Sep 13

11:02 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

40h 03m2 stops Chicago O'Hare Intl Vancouver Intl

5:50 pm - 10:01 pmBKK Bangkok Suvarnabhumi-PDX Portland

42h 11m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,062Multiple Airlines

Fri, Aug 28 - Fri, Sep 4

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Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Sep 7

PDX3:30 pmPortland

23h 35m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Oct 21

BKK7:05 amBangkok Suvarnabhumi

21h 41m

1 stop

PDX2:46 pmPortland

$754

Air Canada

Sep 7

PDX10:10 amPortland

23h 25m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Oct 21

BKK7:05 amBangkok Suvarnabhumi

26h 06m

1 stop

PDX7:11 pmPortland

$771

Air Canada

Sep 7

PDX3:30 pmPortland

23h 35m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Oct 21

BKK7:05 amBangkok Suvarnabhumi

27h 55m

2 stops

PDX9:00 pmPortland

$774

Delta flights from Portland to Thailand

Our best Delta deals on Portland to Thailand flight tickets

Delta

Oct 6

PDX5:30 amPortland

26h 15m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

Oct 26

BKK11:15 pmBangkok Suvarnabhumi

34h 45m

2 stops

PDX8:00 pmPortland

$992

Delta

Nov 11

PDX7:00 amPortland

25h 20m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

Feb 23

BKK11:15 pmBangkok Suvarnabhumi

39h 17m

2 stops

PDX11:32 pmPortland

$993

Delta

Oct 5

PDX8:44 pmPortland

36h 51m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Oct 20

BKK9:50 amBangkok Suvarnabhumi

28h 09m

2 stops

PDX11:59 pmPortland

$998

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

3:30 pm-5:05 am

1 stop23h 35m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-2:46 pm

1 stop21h 41m

$754

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

7:45 pm-5:05 am

1 stop19h 20m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-7:11 pm

1 stop26h 06m

$754

PortlandPhuket City

PDX Portland - HKT Phuket City

PDXHKT

Portland

Thu 9/24

7:45 pm-8:20 am

2 stops22h 35m

Phuket City

Tue 10/6

7:10 pm-2:46 pm

2 stops33h 36m

$815

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

9:55 pm-9:31 am

2 stops25h 36m

$815

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

7:09 am-11:35 pm

2 stops25h 26m

Bangkok Suvarnabhumi

Wed 1/27

7:55 am-1:29 pm

2 stops20h 34m

$964

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/31

9:30 pm-11:35 pm

2 stops35h 05m

Bangkok Suvarnabhumi

Tue 2/9

7:55 am-1:29 pm

2 stops20h 34m

$974

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 11/9

9:32 am-11:20 pm

2 stops22h 48m

Bangkok Suvarnabhumi

Mon 11/16

9:40 am-11:56 pm

2 stops29h 16m

$992

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 10/6

5:30 am-9:45 pm

2 stops26h 15m

Bangkok Suvarnabhumi

Sun 10/25

9:30 pm-11:59 pm

2 stops40h 29m

$992

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 9/6

7:15 pm-4:35 am

2 stops43h 20m

Bangkok Suvarnabhumi

Thu 9/10

9:35 am-10:45 pm

2 stops27h 10m

$994

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/11

7:30 am-5:10 am

2 stops30h 40m

Bangkok Suvarnabhumi

Tue 1/19

9:10 am-8:33 pm

2 stops26h 23m

$998

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 October is also very affordable. Most momondo users find prices during this month for around $987.

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 $1,138 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 $994 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 21% 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	$419
Fastest flight time	22h 30m
Direct flights	None

The best one-way flight to Thailand from Portland in the past 72 hours is $419. The best round-trip flight deal from Portland to Thailand found on momondo in the last 72 hours is $754.

The fastest flight from Portland to Thailand takes 22h 30m

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 August 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 8,529 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,460 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 376 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,587 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 843 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $791	Free Cancellation	Rating 8.3 1,909 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
United Airlines	PriceFrom $852	Free Cancellation	Rating 7.4 10,123 reviews	Search United Airlines flights
ANA	PriceFrom $890	Free Cancellation	Rating 8.3 1,300 reviews	Search ANA flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,522 reviews	Search EVA Air 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.