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

Korean Air is the most popular carrier operating from Thailand to Portland

How long does it take to fly to Portland?

On average, it takes 21h 25m to fly from Thailand to Portland if you fly out of Bangkok (the most popular airport in Thailand) and into Portland (the most popular airport in Portland). If you’re flying out of Chiang Mai and into Portland, then the flight time is around 46h 17m.

When did momondo last update prices for flights from Thailand to Portland Airport?

Prices for flights from Thailand to Portland Airport are updated daily.

How many operators does momondo search for flights from Thailand to Portland Airport?

As of December 2025, there are 2 operators available to choose from for flights from Thailand to Portland Airport.

How old do you have to be to fly from Thailand to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$478 Cheap Flights from Thailand to Portland in 2025/26

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11:40 pm - 9:45 am

BKK

PDX

48h 05m2 stops

5:55 pm - 12:10 pm

PDX

BKK

28h 15m2 stops

$761Philippine Airlines

Tue, May 12 - Wed, Jun 3

11:40 pm - 9:45 am

BKK

PDX

48h 05m2 stops

5:55 pm - 12:10 pm

PDX

BKK

28h 15m2 stops

$762Philippine Airlines

Tue, May 12 - Wed, Jun 3

11:40 pm - 9:45 am

BKK

PDX

48h 05m2 stops

5:55 pm - 12:10 pm

PDX

BKK

28h 15m2 stops

$763Philippine Airlines

Tue, May 12 - Wed, Jun 3

8:15 am - 11:57 am

BKK

PDX

42h 42m2 stops

3:15 pm - 10:00 pm

PDX

BKK

39h 45m2 stops

$878Air Canada

Thu, Jan 22 - Mon, Jan 26

2:35 am - 1:17 pm

BKK

PDX

24h 42m2 stops

11:10 am - 11:25 pm

PDX

BKK

22h 15m2 stops

$880Korean Air

Sun, May 10 - Tue, Jun 2

2:00 pm - 6:30 pm

BKK

PDX

19h 30m2 stops

7:00 pm - 6:30 am

PDX

BKK

20h 30m1 stop

$881Air Canada

Mon, Jan 19 - Sat, Feb 21

2:35 am - 1:17 pm

BKK

PDX

24h 42m2 stops

11:10 am - 11:25 pm

PDX

BKK

22h 15m2 stops

$883Korean Air

Sun, May 10 - Tue, Jun 2

11:50 am - 1:19 pm

CNX

PDX

39h 29m2 stops

11:30 am - 10:35 am

PDX

CNX

33h 05m2 stops

$1,658Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

11:50 am - 8:38 pm

CNX

PDX

22h 48m2 stops

5:30 pm - 10:35 am

PDX

CNX

27h 05m2 stops

$1,755Multiple Airlines

Wed, Mar 18 - Thu, Mar 26

12:10 pm - 4:28 pm

CNX

PDX

42h 18m3 stops

5:30 pm - 7:00 pm

PDX

CNX

35h 30m3 stops

$2,972Cathay Pacific

Thu, Mar 19 - Thu, Mar 26

Philippine Airlines flights from Thailand to Portland

Our best Philippine Airlines deals on Thailand to Portland flight tickets

Philippine Airlines

May 12

BKK11:40 pmBangkok Suvarnabhumi

48h 05m

2 stops

PDX9:45 amPortland

Jun 3

PDX5:55 pmPortland

28h 15m

2 stops

BKK12:10 pmBangkok Suvarnabhumi

$761

Find similar

Philippine Airlines

May 12

BKK11:40 pmBangkok Suvarnabhumi

48h 05m

2 stops

PDX9:45 amPortland

Jun 3

PDX5:55 pmPortland

28h 15m

2 stops

BKK12:10 pmBangkok Suvarnabhumi

$762

Find similar

Philippine Airlines

May 12

BKK11:40 pmBangkok Suvarnabhumi

48h 05m

2 stops

PDX9:45 amPortland

Jun 3

PDX5:55 pmPortland

28h 15m

2 stops

BKK12:10 pmBangkok Suvarnabhumi

$763

Find similar

Air Canada flights from Thailand to Portland

Our best Air Canada deals on Thailand to Portland flight tickets

Air Canada

Jan 22

BKK8:15 amBangkok Suvarnabhumi

42h 42m

2 stops

PDX11:57 amPortland

Jan 26

PDX3:15 pmPortland

39h 45m

2 stops

BKK10:00 pmBangkok Suvarnabhumi

$878

Find similar

Air Canada

Jan 19

BKK2:00 pmBangkok Suvarnabhumi

19h 30m

2 stops

PDX6:30 pmPortland

Feb 21

PDX7:00 pmPortland

20h 30m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$881

Find similar

Air Canada

Feb 12

BKK8:00 amBangkok Suvarnabhumi

40h 15m

2 stops

PDX9:15 amPortland

Feb 16

PDX3:15 pmPortland

24h 15m

1 stop

BKK6:30 amBangkok Suvarnabhumi

$890

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/12

11:40 pm-9:45 am

2 stops48h 05m

Portland

Wed 6/3

5:55 pm-12:10 pm

2 stops28h 15m

$761

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/12

11:40 pm-9:45 am

2 stops48h 05m

Portland

Wed 6/3

5:55 pm-12:10 pm

2 stops28h 15m

$762

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/12

11:40 pm-9:45 am

2 stops48h 05m

Portland

Wed 6/3

5:55 pm-12:10 pm

2 stops28h 15m

$763

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 1/22

8:15 am-11:57 am

2 stops42h 42m

Portland

Mon 1/26

3:15 pm-10:00 pm

2 stops39h 45m

$878

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 5/10

2:35 am-1:17 pm

2 stops24h 42m

Portland

Tue 6/2

11:10 am-11:25 pm

2 stops22h 15m

$880

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 1/19

2:00 pm-6:30 pm

2 stops19h 30m

Portland

Sat 2/21

7:00 pm-6:30 am

1 stop20h 30m

$881

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 5/10

2:35 am-1:17 pm

2 stops24h 42m

Portland

Tue 6/2

11:10 am-11:25 pm

2 stops22h 15m

$883

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/19

11:50 am-1:19 pm

2 stops39h 29m

Portland

Thu 3/26

11:30 am-10:35 am

2 stops33h 05m

$1,658

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Wed 3/18

11:50 am-8:38 pm

2 stops22h 48m

Portland

Thu 3/26

5:30 pm-10:35 am

2 stops27h 05m

$1,755

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 3/19

12:10 pm-4:28 pm

3 stops42h 18m

Portland

Thu 3/26

5:30 pm-7:00 pm

3 stops35h 30m

$2,972

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 Thailand to Portland

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

Other information

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Thailand is in August. Flight prices, which tend to average around $783, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until October to fly from Thailand, when ticket prices are also cheap, with an average price of $873.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $1,037. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Friday, with ticket prices averaging around $1,331.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $1,107. In the evening is when there is more demand to fly to Portland, so prices are often more expensive at around $1,117 per ticket.

Can stopping save me money on Thailand to Portland flights?

You could potentially save up to 1% on your flight if you consider stops on a Thailand to Portland flight.

Cheap Thailand to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to Portland

Fastest flight time	22h 00m
Direct flights	None

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

There are no direct flights from Thailand to Portland. There are no popular flight routes from Thailand to Portland.

Search flight deals

When did momondo last update prices for flights from Thailand to Portland Airport?
Prices for flights from Thailand to Portland Airport are updated daily.
How many operators does momondo search for flights from Thailand to Portland Airport?
As of December 2025, there are 2 operators available to choose from for flights from Thailand to Portland Airport.
How old do you have to be to fly from Thailand to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Thailand to Portland

Compare and see reviews for airlines that fly from Thailand to Portland with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $779	Free Cancellation	Rating 8.4 1,183 reviews		Search Korean Air flights
STARLUX Airlines	PriceFrom $926	Free Cancellation	Rating 8.9 243 reviews		Search STARLUX Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Thailand to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Thailand to Portland for you.

Can I find flights from Thailand to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Thailand with this policy.

How can momondo help me find flights from Thailand to Portland?

Once all potential Thailand to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Thailand to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Thailand to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.