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

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

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 38% 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.

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 January 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.

$363 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 typical for flights on this route. Typical prices usually range from $864 to $1,173. The lowest price recently found on this route was $887.

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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.

7:30 am - 11:25 am

PDX

BKK

36h 55m

2 stops

4:55 pm - 11:04 pm

BKK

PDX

20h 09m

2 stops

$887United Airlines

Thu, Feb 19 - Wed, Mar 11

7:15 am - 9:45 am

PDX

BKK

36h 30m

3 stops

3:40 pm - 4:54 pm

BKK

PDX

39h 14m

2 stops

$888United Airlines

Tue, Apr 28 - Sun, May 31

7:57 pm - 11:25 am

PDX

BKK

48h 28m

3 stops

3:40 pm - 12:44 am

BKK

PDX

23h 04m

2 stops

$900United Airlines

Sun, Mar 1 - Thu, Apr 16

7:20 am - 11:40 pm

PDX

BKK

25h 20m

2 stops

2:15 am - 4:41 pm

BKK

PDX

29h 26m

2 stops

$901Multiple Airlines

Mon, Feb 9 - Mon, Feb 23

5:50 pm - 12:35 pm

PDX

BKK

27h 45m

2 stops

1:10 pm - 8:32 pm

BKK

PDX

45h 22m

2 stops

$906Multiple Airlines

Mon, Mar 2 - Mon, Mar 30

5:30 am - 11:55 pm

PDX

BKK

28h 25m

3 stops

9:35 am - 8:47 pm

BKK

PDX

25h 12m

2 stops

$907United Airlines

Wed, May 6 - Sat, May 16

5:45 pm - 12:00 pm

PDX

BKK

28h 15m

2 stops

1:10 pm - 10:53 pm

BKK

PDX

23h 43m

2 stops

$908Multiple Airlines

Fri, Apr 17 - Sun, Apr 26

1:00 pm - 9:45 am

PDX

BKK

30h 45m

3 stops

7:00 am - 6:41 pm

BKK

PDX

25h 41m

3 stops

$909United Airlines

Tue, Jul 7 - Mon, Jul 13

5:30 am - 11:55 pm

PDX

BKK

28h 25m

3 stops

7:00 am - 10:38 pm

BKK

PDX

29h 38m

2 stops

$910United Airlines

Wed, May 6 - Fri, May 15

7:15 am - 9:45 am

PDX

BKK

36h 30m

3 stops

7:00 am - 12:48 am

BKK

PDX

31h 48m

2 stops

$911United Airlines

Mon, Apr 13 - Fri, May 15

EVA Air flights from Portland to Bangkok

Our best EVA Air deals on Portland to Bangkok flight tickets

EVA Air

Jan 29

PDX7:20 amPortland

25h 20m

2 stops

BKK11:40 pmBangkok Suvarnabhumi

Feb 15

BKK5:15 pmBangkok Suvarnabhumi

32h 41m

2 stops

PDX10:56 amPortland

$919

EVA Air

Feb 10

PDX7:20 amPortland

25h 20m

2 stops

BKK11:40 pmBangkok Suvarnabhumi

Feb 23

BKK2:15 amBangkok Suvarnabhumi

26h 10m

2 stops

PDX1:25 pmPortland

$937

EVA Air

Feb 18

PDX7:05 amPortland

25h 35m

2 stops

BKK11:40 pmBangkok Suvarnabhumi

Feb 27

BKK2:15 amBangkok Suvarnabhumi

23h 41m

2 stops

PDX10:56 amPortland

$953

United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets

United Airlines

Jan 21

PDX7:45 amPortland

36h 40m

2 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 3

BKK4:55 pmBangkok Suvarnabhumi

41h 01m

2 stops

PDX6:56 pmPortland

$887

United Airlines

Mar 9

PDX1:39 pmPortland

31h 46m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Mar 12

BKK4:55 pmBangkok Suvarnabhumi

21h 40m

2 stops

PDX12:35 amPortland

$888

United Airlines

Jan 18

PDX5:35 amPortland

62h 50m

3 stops

BKK11:25 amBangkok Suvarnabhumi

Feb 2

BKK4:55 pmBangkok Suvarnabhumi

36h 51m

2 stops

PDX2:46 pmPortland

$895

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 2/19

7:30 am-11:25 am

2 stops36h 55m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-11:04 pm

2 stops20h 09m

$887

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/28

7:15 am-9:45 am

3 stops36h 30m

Bangkok Suvarnabhumi

Sun 5/31

3:40 pm-4:54 pm

2 stops39h 14m

$888

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 3/1

7:57 pm-11:25 am

3 stops48h 28m

Bangkok Suvarnabhumi

Thu 4/16

3:40 pm-12:44 am

2 stops23h 04m

$900

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/9

7:20 am-11:40 pm

2 stops25h 20m

Bangkok Suvarnabhumi

Mon 2/23

2:15 am-4:41 pm

2 stops29h 26m

$901

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/2

5:50 pm-12:35 pm

2 stops27h 45m

Bangkok Suvarnabhumi

Mon 3/30

1:10 pm-8:32 pm

2 stops45h 22m

$906

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:30 am-11:55 pm

3 stops28h 25m

Bangkok Suvarnabhumi

Sat 5/16

9:35 am-8:47 pm

2 stops25h 12m

$907

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 4/17

5:45 pm-12:00 pm

2 stops28h 15m

Bangkok Suvarnabhumi

Sun 4/26

1:10 pm-10:53 pm

2 stops23h 43m

$908

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 7/7

1:00 pm-9:45 am

3 stops30h 45m

Bangkok Suvarnabhumi

Mon 7/13

7:00 am-6:41 pm

3 stops25h 41m

$909

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:30 am-11:55 pm

3 stops28h 25m

Bangkok Suvarnabhumi

Fri 5/15

7:00 am-10:38 pm

2 stops29h 38m

$910

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/13

7:15 am-9:45 am

3 stops36h 30m

Bangkok Suvarnabhumi

Fri 5/15

7:00 am-12:48 am

2 stops31h 48m

$911

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 $957.

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 $1,088 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 $931 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	19h 20m
Direct flights	None

The fastest flight from Portland to Bangkok takes 19h 20m

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. 19h 20m 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 January 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 8,040 reviews	Search Delta flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.1 1,431 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $770	Free Cancellation	Rating 8.9 262 reviews	Search STARLUX Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,681 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 798 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,069 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,187 reviews	Search Korean Air flights
United Airlines	PriceFrom $817	Free Cancellation	Rating 7.4 9,156 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,714 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.4 1,317 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.