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 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.

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.

$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 $1,251. 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.

5:30 am - 12:20 am

PDX

BKK

28h 50m

2 stops

4:55 pm - 11:04 pm

BKK

PDX

20h 09m

2 stops

$887United Airlines

Mon, Mar 9 - Thu, Mar 12

7:30 am - 11:25 am

PDX

BKK

36h 55m

2 stops

4:55 pm - 6:47 pm

BKK

PDX

39h 52m

2 stops

$888United Airlines

Thu, Feb 19 - Wed, Mar 11

7:05 am - 11:40 pm

PDX

BKK

25h 35m

2 stops

3:10 pm - 11:54 pm

BKK

PDX

22h 44m

2 stops

$889EVA Air

Thu, Mar 5 - Thu, Apr 9

7:20 am - 11:40 pm

PDX

BKK

25h 20m

2 stops

2:15 am - 1:37 pm

BKK

PDX

26h 22m

2 stops

$890EVA Air

Mon, Feb 9 - Tue, Feb 24

5:30 am - 9:35 am

PDX

BKK

38h 05m

3 stops

3:45 pm - 6:46 pm

BKK

PDX

41h 01m

3 stops

$892United Airlines

Tue, Apr 21 - Mon, May 18

6:00 am - 8:00 pm

PDX

BKK

24h 00m

2 stops

9:15 pm - 1:50 pm

BKK

PDX

30h 35m

2 stops

$895Singapore Airlines

Tue, Mar 10 - Tue, Apr 7

7:49 pm - 11:25 am

PDX

BKK

49h 36m

3 stops

4:55 pm - 12:35 am

BKK

PDX

21h 40m

2 stops

$896United Airlines

Sun, Mar 8 - Thu, Mar 19

5:49 pm - 12:00 pm

PDX

BKK

28h 11m

2 stops

7:05 am - 2:45 pm

BKK

PDX

21h 40m

1 stop

$897Multiple Airlines

Wed, May 6 - Mon, May 18

7:15 am - 5:05 am

PDX

BKK

31h 50m

2 stops

7:05 am - 7:05 pm

BKK

PDX

26h 00m

1 stop

$899ANA

Wed, Apr 22 - Mon, Jun 1

5:51 pm - 11:40 pm

PDX

BKK

38h 49m

2 stops

2:15 am - 10:56 am

BKK

PDX

23h 41m

2 stops

$907Multiple Airlines

Sun, Feb 8 - Tue, Feb 24

Air Canada flights from Portland to Bangkok

Our best Air Canada deals on Portland to Bangkok flight tickets

Air Canada

Apr 13

PDX3:15 pmPortland

23h 50m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Apr 27

BKK7:05 amBangkok Suvarnabhumi

25h 25m

1 stop

PDX6:30 pmPortland

$932

Air Canada

Apr 22

PDX9:50 amPortland

29h 15m

1 stop

BKK5:05 amBangkok Suvarnabhumi

May 11

BKK7:05 amBangkok Suvarnabhumi

26h 00m

1 stop

PDX7:05 pmPortland

$933

Air Canada

Apr 21

PDX11:59 pmPortland

39h 06m

2 stops

BKK5:05 amBangkok Suvarnabhumi

May 18

BKK7:05 amBangkok Suvarnabhumi

21h 40m

1 stop

PDX2:45 pmPortland

$937

STARLUX Airlines flights from Portland to Bangkok

Our best STARLUX Airlines deals on Portland to Bangkok flight tickets

STARLUX Airlines

Mar 1

PDX3:52 pmPortland

33h 38m

2 stops

BKK4:30 pmBangkok Suvarnabhumi

Mar 31

BKK5:50 pmBangkok Suvarnabhumi

41h 48m

2 stops

PDX9:38 pmPortland

$921

STARLUX Airlines

Apr 25

PDX7:18 pmPortland

26h 42m

2 stops

BKK12:00 pmBangkok Suvarnabhumi

May 2

BKK1:10 pmBangkok Suvarnabhumi

23h 43m

2 stops

PDX10:53 pmPortland

$944

STARLUX Airlines

Mar 30

PDX5:45 pmPortland

28h 15m

2 stops

BKK12:00 pmBangkok Suvarnabhumi

Apr 3

BKK1:10 pmBangkok Suvarnabhumi

22h 28m

2 stops

PDX9:38 pmPortland

$945

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

5:30 am-12:20 am

2 stops28h 50m

Bangkok Suvarnabhumi

Thu 3/12

4:55 pm-11:04 pm

2 stops20h 09m

$887

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-6:47 pm

2 stops39h 52m

$888

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 3/5

7:05 am-11:40 pm

2 stops25h 35m

Bangkok Suvarnabhumi

Thu 4/9

3:10 pm-11:54 pm

2 stops22h 44m

$889

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/9

7:20 am-11:40 pm

2 stops25h 20m

Bangkok Suvarnabhumi

Tue 2/24

2:15 am-1:37 pm

2 stops26h 22m

$890

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/21

5:30 am-9:35 am

3 stops38h 05m

Bangkok Suvarnabhumi

Mon 5/18

3:45 pm-6:46 pm

3 stops41h 01m

$892

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 3/10

6:00 am-8:00 pm

2 stops24h 00m

Bangkok Suvarnabhumi

Tue 4/7

9:15 pm-1:50 pm

2 stops30h 35m

$895

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 3/8

7:49 pm-11:25 am

3 stops49h 36m

Bangkok Suvarnabhumi

Thu 3/19

4:55 pm-12:35 am

2 stops21h 40m

$896

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:49 pm-12:00 pm

2 stops28h 11m

Bangkok Suvarnabhumi

Mon 5/18

7:05 am-2:45 pm

1 stop21h 40m

$897

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/22

7:15 am-5:05 am

2 stops31h 50m

Bangkok Suvarnabhumi

Mon 6/1

7:05 am-7:05 pm

1 stop26h 00m

$899

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/8

5:51 pm-11:40 pm

2 stops38h 49m

Bangkok Suvarnabhumi

Tue 2/24

2:15 am-10:56 am

2 stops23h 41m

$907

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 $1,090 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	21h 15m
Direct flights	None

The fastest flight from Portland to Bangkok takes 21h 15m

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 15m 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 8,127 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $757	Free Cancellation	Rating 8.9 268 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,440 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,691 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 802 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,078 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 9,215 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,727 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.4 1,334 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.