What airlines fly to Bangkok?

Air Canada, STARLUX Airlines and United Airlines are the top three most popular airlines that fly to Bangkok from Portland according to our data. Air Canada is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 12 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

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

Philippine Airlines is the most popular carrier operating from Portland to Bangkok

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

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

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

As of February 2026, there are 12 operators available to choose from for flights from Portland Airport to Bangkok.

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

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 Bangkok.

What documentation or ID do you need to fly to Bangkok?

The travel and health documents required for your trip to Bangkok 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 Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$344 Cheap Flights from Portland to Bangkok in 2026

Q: What is the typical price of a round-trip flight between Portland and Bangkok?

Prices are currently low for flights on this route. Typical prices usually range from $899 to $1,247. The lowest price recently found on this route was $889.

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Find the cheapest flights from Portland to Bangkok

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 pm - 12:35 pm

PDX

BKK

28h 55m

2 stops

5:40 pm - 10:41 pm

BKK

PDX

43h 01m

2 stops

$889STARLUX Airlines

Mon, Mar 9 - Thu, Mar 12

5:40 pm - 4:30 pm

PDX

BKK

32h 50m

2 stops

5:40 pm - 10:41 pm

BKK

PDX

43h 01m

2 stops

$890STARLUX Airlines

Mon, Mar 9 - Thu, Mar 12

7:05 am - 12:15 am

PDX

BKK

26h 10m

2 stops

5:40 pm - 8:42 am

BKK

PDX

30h 02m

2 stops

$891Cathay Pacific

Sun, Feb 15 - Sat, Mar 7

7:05 am - 11:40 pm

PDX

BKK

26h 35m

2 stops

4:45 pm - 1:50 pm

BKK

PDX

35h 05m

2 stops

$892Multiple Airlines

Sat, Mar 14 - Tue, Mar 31

9:50 am - 5:05 am

PDX

BKK

29h 15m

1 stop

8:15 pm - 9:30 am

BKK

PDX

27h 15m

2 stops

$896Air Canada

Wed, Apr 22 - Wed, May 6

1:36 pm - 9:50 am

PDX

BKK

29h 14m

2 stops

10:55 am - 11:44 pm

BKK

PDX

27h 49m

2 stops

$899China Airlines

Sun, Feb 15 - Thu, Feb 26

5:49 pm - 12:00 pm

PDX

BKK

28h 11m

2 stops

5:50 pm - 9:38 pm

BKK

PDX

41h 48m

2 stops

$902Multiple Airlines

Thu, Apr 2 - Sun, Apr 12

3:52 pm - 9:50 am

PDX

BKK

27h 58m

2 stops

2:40 am - 9:35 am

BKK

PDX

44h 55m

2 stops

$905China Airlines

Mon, Mar 16 - Sun, Apr 5

5:38 pm - 10:40 am

PDX

BKK

27h 02m

2 stops

7:15 pm - 11:54 pm

BKK

PDX

42h 39m

2 stops

$906Cathay Pacific

Sun, Mar 15 - Sun, Mar 22

7:14 am - 11:40 pm

PDX

BKK

26h 26m

2 stops

4:45 pm - 11:54 pm

BKK

PDX

21h 09m

2 stops

$909Multiple Airlines

Thu, Mar 26 - Thu, Apr 2

EVA Air flights from Portland to Bangkok

Our best EVA Air deals on Portland to Bangkok flight tickets

EVA Air

Feb 9

PDX7:20 amPortland

27h 05m

2 stops

BKK1:25 amBangkok Suvarnabhumi

Feb 24

BKK2:15 amBangkok Suvarnabhumi

23h 41m

2 stops

PDX10:56 amPortland

$889

EVA Air

Mar 5

PDX7:05 amPortland

25h 35m

2 stops

BKK11:40 pmBangkok Suvarnabhumi

Apr 9

BKK4:45 pmBangkok Suvarnabhumi

18h 53m

2 stops

PDX9:38 pmPortland

$908

EVA Air

Feb 19

PDX7:05 amPortland

25h 35m

2 stops

BKK11:40 pmBangkok Suvarnabhumi

Mar 10

BKK2:15 amBangkok Suvarnabhumi

25h 22m

2 stops

PDX1:37 pmPortland

$919

Cathay Pacific flights from Portland to Bangkok

Our best Cathay Pacific deals on Portland to Bangkok flight tickets

Cathay Pacific

Feb 19

PDX2:47 pmPortland

28h 53m

2 stops

BKK10:40 amBangkok Suvarnabhumi

Mar 7

BKK3:05 pmBangkok Suvarnabhumi

32h 37m

2 stops

PDX8:42 amPortland

$891

Cathay Pacific

Mar 15

PDX5:38 pmPortland

27h 02m

2 stops

BKK10:40 amBangkok Suvarnabhumi

Mar 22

BKK7:15 pmBangkok Suvarnabhumi

42h 39m

2 stops

PDX11:54 pmPortland

$906

Cathay Pacific

Mar 16

PDX5:50 pmPortland

26h 50m

2 stops

BKK10:40 amBangkok Suvarnabhumi

Apr 6

BKK7:10 pmBangkok Suvarnabhumi

39h 29m

2 stops

PDX8:39 pmPortland

$917

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

5:40 pm-12:35 pm

2 stops28h 55m

Bangkok Suvarnabhumi

Thu 3/12

5:40 pm-10:41 pm

2 stops43h 01m

$889

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

5:40 pm-4:30 pm

2 stops32h 50m

Bangkok Suvarnabhumi

Thu 3/12

5:40 pm-10:41 pm

2 stops43h 01m

$890

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/15

7:05 am-12:15 am

2 stops26h 10m

Bangkok Suvarnabhumi

Sat 3/7

5:40 pm-8:42 am

2 stops30h 02m

$891

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 3/14

7:05 am-11:40 pm

2 stops26h 35m

Bangkok Suvarnabhumi

Tue 3/31

4:45 pm-1:50 pm

2 stops35h 05m

$892

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/22

9:50 am-5:05 am

1 stop29h 15m

Bangkok Suvarnabhumi

Wed 5/6

8:15 pm-9:30 am

2 stops27h 15m

$896

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/15

1:36 pm-9:50 am

2 stops29h 14m

Bangkok Suvarnabhumi

Thu 2/26

10:55 am-11:44 pm

2 stops27h 49m

$899

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 4/2

5:49 pm-12:00 pm

2 stops28h 11m

Bangkok Suvarnabhumi

Sun 4/12

5:50 pm-9:38 pm

2 stops41h 48m

$902

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/16

3:52 pm-9:50 am

2 stops27h 58m

Bangkok Suvarnabhumi

Sun 4/5

2:40 am-9:35 am

2 stops44h 55m

$905

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 3/15

5:38 pm-10:40 am

2 stops27h 02m

Bangkok Suvarnabhumi

Sun 3/22

7:15 pm-11:54 pm

2 stops42h 39m

$906

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 3/26

7:14 am-11:40 pm

2 stops26h 26m

Bangkok Suvarnabhumi

Thu 4/2

4:45 pm-11:54 pm

2 stops21h 09m

$909

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 Bangkok

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 typical price of a round-trip flight between Portland and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of August, then book flights to Bangkok from Portland during October instead. Flights to Bangkok in October, while not as cheap as those in August, still average around $958.

How far in advance should I book a flight to Bangkok?

You are more likely to see cheaper flights to Bangkok from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,086 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Portland for as low as $932 on momondo.

Cheap Portland to Bangkok flight deals and tips

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

Fastest flight time	21h 35m
Direct flights	None

The fastest flight from Portland to Bangkok takes 21h 35m

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

Search flight deals

How far is Portland to Bangkok by plane?
The distance between Portland and Bangkok is about 7529.0 mi. 21h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Bangkok?
Prices for flights from Portland Airport to Bangkok are updated daily.
How many operators does momondo search for flights from Portland Airport to Bangkok?
As of February 2026, there are 12 operators available to choose from for flights from Portland Airport to Bangkok.
How old do you have to be to fly from Portland Airport to Bangkok?
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 Bangkok.
What documentation or ID do you need to fly to Bangkok?
The travel and health documents required for your trip to Bangkok 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 Bangkok. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Bangkok

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $139	Free Cancellation	Rating 7.9 8,135 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $757	Free Cancellation	Rating 8.9 269 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,443 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,697 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 803 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,082 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,231 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,729 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.4 1,342 reviews	Search EVA Air flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Bangkok. momondo saves you time and could save you money on your trip.

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

All flight searches from Portland to Bangkok on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Portland to Bangkok 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 Portland to Bangkok right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Bangkok flights. All you need is a valid email address and we will do the rest; it is that quick and easy.