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 Korean Air 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

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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.

5:51 pm - 4:30 pm

PDX

BKK

31h 39m2 stops

5:40 pm - 11:32 pm

BKK

PDX

20h 52m2 stops

$849Multiple Airlines

dom., ene. 18 - jue., feb. 5

1:36 pm - 4:30 pm

PDX

BKK

35h 54m2 stops

5:40 pm - 11:54 pm

BKK

PDX

20h 14m2 stops

$850Multiple Airlines

mar., feb. 24 - jue., mar. 19

7:05 am - 11:40 pm

PDX

BKK

26h 35m2 stops

2:15 am - 8:32 pm

BKK

PDX

32h 17m2 stops

$851Multiple Airlines

mar., mar. 17 - lun., mar. 23

7:20 am - 11:40 pm

PDX

BKK

25h 20m2 stops

2:15 am - 1:30 pm

BKK

PDX

26h 15m2 stops

$853Multiple Airlines

lun., ene. 19 - mar., ene. 27

9:30 pm - 4:30 pm

PDX

BKK

52h 00m2 stops

5:40 pm - 8:42 am

BKK

PDX

30h 02m2 stops

$854Multiple Airlines

vie., ene. 23 - sáb., mar. 7

5:30 am - 11:55 pm

PDX

BKK

28h 25m2 stops

9:35 am - 12:48 am

BKK

PDX

29h 13m2 stops

$857United Airlines

jue., may. 7 - mié., may. 20

7:10 am - 12:55 am

PDX

BKK

26h 45m2 stops

2:05 am - 11:44 pm

BKK

PDX

36h 39m2 stops

$858Multiple Airlines

vie., ene. 30 - mié., feb. 11

5:45 pm - 12:35 pm

PDX

BKK

28h 50m2 stops

1:10 pm - 9:38 pm

BKK

PDX

22h 28m2 stops

$860Multiple Airlines

lun., mar. 23 - lun., abr. 20

9:50 am - 1:50 am

PDX

BKK

25h 00m2 stops

3:20 am - 6:30 pm

BKK

PDX

30h 10m3 stops

$861Multiple Airlines

lun., feb. 2 - dom., feb. 8

5:35 pm - 9:45 am

PDX

BKK

26h 10m2 stops

9:35 am - 8:47 pm

BKK

PDX

25h 12m2 stops

$862United Airlines

mar., may. 5 - mié., may. 20

United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets

United Airlines

May 7

PDX5:30 amPortland

28h 25m

3 stops

BKK11:55 pmBangkok Suvarnabhumi

May 18

BKK9:35 amBangkok Suvarnabhumi

29h 13m

2 stops

PDX12:48 amPortland

$857

Find similar

United Airlines

May 5

PDX5:35 pmPortland

26h 10m

2 stops

BKK9:45 amBangkok Suvarnabhumi

May 20

BKK9:35 amBangkok Suvarnabhumi

25h 12m

2 stops

PDX8:47 pmPortland

$862

Find similar

United Airlines

May 11

PDX5:30 amPortland

33h 05m

3 stops

BKK4:35 amBangkok Suvarnabhumi

May 19

BKK9:35 amBangkok Suvarnabhumi

25h 12m

2 stops

PDX8:47 pmPortland

$863

Find similar

STARLUX Airlines flights from Portland to Bangkok

Our best STARLUX Airlines deals on Portland to Bangkok flight tickets

STARLUX Airlines

Jan 21

PDX5:35 pmPortland

28h 00m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Feb 4

BKK1:45 pmBangkok Suvarnabhumi

20h 11m

2 stops

PDX6:56 pmPortland

$864

Find similar

STARLUX Airlines

Jan 21

PDX7:38 pmPortland

25h 57m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Feb 9

BKK1:45 pmBangkok Suvarnabhumi

22h 02m

2 stops

PDX8:47 pmPortland

$884

Find similar

STARLUX Airlines

Mar 17

PDX7:57 pmPortland

26h 38m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Apr 12

BKK5:50 pmBangkok Suvarnabhumi

41h 48m

2 stops

PDX9:38 pmPortland

$898

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 1/18

5:51 pm-4:30 pm

2 stops31h 39m

Bangkok Suvarnabhumi

jue. 2/5

5:40 pm-11:32 pm

2 stops20h 52m

$849

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 2/24

1:36 pm-4:30 pm

2 stops35h 54m

Bangkok Suvarnabhumi

jue. 3/19

5:40 pm-11:54 pm

2 stops20h 14m

$850

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 3/17

7:05 am-11:40 pm

2 stops26h 35m

Bangkok Suvarnabhumi

lun. 3/23

2:15 am-8:32 pm

2 stops32h 17m

$851

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 1/19

7:20 am-11:40 pm

2 stops25h 20m

Bangkok Suvarnabhumi

mar. 1/27

2:15 am-1:30 pm

2 stops26h 15m

$853

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 1/23

9:30 pm-4:30 pm

2 stops52h 00m

Bangkok Suvarnabhumi

sáb. 3/7

5:40 pm-8:42 am

2 stops30h 02m

$854

PortlandBangkok

PDX - BKK

PDXBKK

Portland

jue. 5/7

5:30 am-11:55 pm

2 stops28h 25m

Bangkok Suvarnabhumi

mié. 5/20

9:35 am-12:48 am

2 stops29h 13m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 1/30

7:10 am-12:55 am

2 stops26h 45m

Bangkok Suvarnabhumi

mié. 2/11

2:05 am-11:44 pm

2 stops36h 39m

$858

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 3/23

5:45 pm-12:35 pm

2 stops28h 50m

Bangkok Suvarnabhumi

lun. 4/20

1:10 pm-9:38 pm

2 stops22h 28m

$860

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 2/2

9:50 am-1:50 am

2 stops25h 00m

Bangkok Suvarnabhumi

dom. 2/8

3:20 am-6:30 pm

3 stops30h 10m

$861

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 5/5

5:35 pm-9:45 am

2 stops26h 10m

Bangkok Suvarnabhumi

mié. 5/20

9:35 am-8:47 pm

2 stops25h 12m

$862

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 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	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 $192	Free Cancellation	Rating 7.9 8,025 reviews	Search Delta flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.1 1,427 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $770	Free Cancellation	Rating 8.9 256 reviews	Search STARLUX Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,671 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 1,060 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
United Airlines	PriceFrom $817	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,701 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $915	Free Cancellation	Rating 8.4 1,314 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.