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

Delta and United Airlines are the most popular carriers operating from Portland to Bangkok

What airlines fly to Bangkok?

Air Canada, United Airlines and STARLUX 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 55% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 10 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 November 2026, there are 10 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.

$412 Cheap Flights from Portland to Bangkok in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

7:40 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 25m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:30 pm - 10:44 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 14m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$916Multiple Airlines

Fri, Apr 9 - Thu, Apr 22

2:04 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

31h 01m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

1:10 pm - 10:44 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 34m2 stops Manila Ninoy Aquino Intl Seattle/Tacoma Intl

$920Multiple Airlines

Wed, Jan 27 - Fri, Feb 12

9:45 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 35m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 7:03 pmBKK Bangkok Suvarnabhumi-PDX Portland

36h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$962Delta

Tue, Jan 26 - Sun, Feb 28

9:45 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 35m2 stops Seattle/Tacoma Intl Incheon Intl

9:50 am - 11:32 pmBKK Bangkok Suvarnabhumi-PDX Portland

28h 42m2 stops Incheon Intl Seattle/Tacoma Intl

$962Delta

Wed, Jan 27 - Thu, Mar 4

7:38 pm - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

37h 42m2 stops Seattle/Tacoma Intl Incheon Intl

11:15 pm - 1:15 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 00m2 stops Incheon Intl Los Angeles

$968Korean Air

Sun, Jan 31 - Tue, Feb 9

5:40 am - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 50m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 5:08 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 28m2 stops Incheon Intl Seattle/Tacoma Intl

$968Korean Air

Thu, Feb 4 - Sun, Feb 21

9:31 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 04m2 stops Seattle/Tacoma Intl Tokyo Narita

7:55 am - 1:48 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 53m2 stops Tokyo Narita San Francisco

$1,081Japan Airlines

Mon, Jan 11 - Tue, Jan 19

7:00 am - 5:00 amPDX Portland-BKK Bangkok Suvarnabhumi

31h 00m2 stops Los Angeles Osaka Kansai Intl

10:05 pm - 11:28 pmBKK Bangkok Suvarnabhumi-PDX Portland

40h 23m2 stops Tokyo Haneda Los Angeles

$1,092Japan Airlines

Thu, Dec 3 - Sun, Dec 13

9:24 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

34h 11m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 8:33 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 58m2 stops Tokyo Haneda San Francisco

$1,149United Airlines

Wed, Mar 31 - Mon, Apr 12

9:24 am - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

34h 11m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 8:33 pmBKK Bangkok Suvarnabhumi-PDX Portland

24h 58m2 stops Tokyo Haneda San Francisco

$1,149United Airlines

Thu, Apr 1 - Thu, Apr 22

Cheap last minute flights

Enter your travel dates to find the best prices.

2:10 pm - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

30h 55m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

8:25 am - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 16m1 stop Vancouver Intl

$1,029Multiple Airlines

Sun, Nov 8 - Sun, Nov 15

8:08 am - 12:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 57m2 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl

7:55 am - 1:29 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,050Multiple Airlines

Thu, Nov 5 - Wed, Jan 20

7:10 am - 11:05 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 55m2 stops Seattle/Tacoma Intl Incheon Intl

1:05 am - 2:09 pmBKK Bangkok Suvarnabhumi-PDX Portland

28h 04m2 stops Incheon Intl Seattle/Tacoma Intl

$1,105Korean Air

Sun, Nov 8 - Sun, Jan 31

7:10 am - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 20m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 pm - 2:09 pmBKK Bangkok Suvarnabhumi-PDX Portland

31h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$1,105Korean Air

Sun, Nov 8 - Sun, Jan 31

5:30 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 50m2 stops San Francisco Tokyo Narita

9:10 am - 2:36 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 26m2 stops Tokyo Haneda San Francisco

$1,152United Airlines

Wed, Nov 4 - Tue, Feb 2

5:30 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 50m2 stops San Francisco Tokyo Narita

9:10 am - 8:45 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 35m2 stops Tokyo Haneda San Francisco

$1,152United Airlines

Wed, Nov 4 - Wed, Feb 3

5:49 pm - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 41m2 stops Seattle/Tacoma Intl Incheon Intl

11:15 pm - 6:58 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 43m2 stops Incheon Intl Seattle/Tacoma Intl

$1,183Delta

Sat, Nov 7 - Wed, Feb 3

7:10 pm - 6:30 amPDX Portland-BKK Bangkok Suvarnabhumi

20h 20m1 stop Vancouver Intl

8:25 am - 9:26 amBKK Bangkok Suvarnabhumi-PDX Portland

40h 01m1 stop Vancouver Intl

$1,284Air Canada

Wed, Nov 4 - Mon, Nov 9

7:10 pm - 6:30 amPDX Portland-BKK Bangkok Suvarnabhumi

20h 20m1 stop Vancouver Intl

8:25 am - 9:26 amBKK Bangkok Suvarnabhumi-PDX Portland

40h 01m1 stop Vancouver Intl

$1,285Air Canada

Wed, Nov 4 - Tue, Nov 10

7:35 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 00m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

1:45 pm - 7:49 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 04m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,340STARLUX Airlines

Fri, Nov 6 - Mon, Feb 1

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Delta flights from Portland to Bangkok

Our best Delta deals on Portland to Bangkok flight tickets

Delta

Jan 25

PDX9:45 amPortland

22h 20m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Mar 3

BKK11:15 pmBangkok Suvarnabhumi

34h 48m

2 stops

PDX7:03 pmPortland

$962

Delta

Jan 24

PDX5:48 pmPortland

39h 32m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Mar 2

BKK9:50 amBangkok Suvarnabhumi

22h 18m

2 stops

PDX5:08 pmPortland

$967

Delta

Jan 23

PDX9:45 amPortland

22h 20m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Mar 1

BKK9:40 pmBangkok Suvarnabhumi

34h 19m

2 stops

PDX4:59 pmPortland

$1,018

Qatar Airways flights from Portland to Bangkok

Our best Qatar Airways deals on Portland to Bangkok flight tickets

Qatar Airways

Jan 18

PDX10:30 amPortland

29h 10m

2 stops

BKK6:40 amBangkok Suvarnabhumi

Jan 24

BKK3:00 amBangkok Suvarnabhumi

27h 21m

2 stops

PDX3:21 pmPortland

$986

Qatar Airways

Jan 26

PDX9:30 pmPortland

42h 10m

2 stops

BKK6:40 amBangkok Suvarnabhumi

Mar 2

BKK8:15 amBangkok Suvarnabhumi

45h 40m

2 stops

PDX2:55 pmPortland

$990

Qatar Airways

Mar 31

PDX10:40 amPortland

30h 35m

2 stops

BKK7:15 amBangkok Suvarnabhumi

Apr 12

BKK9:05 pmBangkok Suvarnabhumi

33h 32m

2 stops

PDX4:37 pmPortland

$993

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Fri 4/9

7:40 pm-12:05 pm

2 stops26h 25m

Bangkok Suvarnabhumi

Thu 4/22

1:30 pm-10:44 pm

2 stops23h 14m

$916

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

2:04 pm-12:05 pm

2 stops31h 01m

Bangkok Suvarnabhumi

Fri 2/12

1:10 pm-10:44 pm

2 stops24h 34m

$920

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/26

9:45 am-12:20 am

2 stops23h 35m

Bangkok Suvarnabhumi

Sun 2/28

9:40 pm-7:03 pm

2 stops36h 23m

$962

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

9:45 am-12:20 am

2 stops23h 35m

Bangkok Suvarnabhumi

Thu 3/4

9:50 am-11:32 pm

2 stops28h 42m

$962

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/31

7:38 pm-12:20 am

2 stops37h 42m

Bangkok Suvarnabhumi

Tue 2/9

11:15 pm-1:15 pm

2 stops29h 00m

$968

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 2/4

5:40 am-9:30 pm

2 stops24h 50m

Bangkok Suvarnabhumi

Sun 2/21

9:40 pm-5:08 pm

2 stops34h 28m

$968

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/11

9:31 am-11:35 pm

2 stops23h 04m

Bangkok Suvarnabhumi

Tue 1/19

7:55 am-1:48 pm

2 stops20h 53m

$1,081

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-5:00 am

2 stops31h 00m

Bangkok Suvarnabhumi

Sun 12/13

10:05 pm-11:28 pm

2 stops40h 23m

$1,092

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 3/31

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Mon 4/12

9:35 am-8:33 pm

2 stops24h 58m

$1,149

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 4/1

9:24 am-9:35 am

3 stops34h 11m

Bangkok Suvarnabhumi

Thu 4/22

9:35 am-8:33 pm

2 stops24h 58m

$1,149

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?

Prices are currently low for flights on this route.

Typical prices usually range from $964 to $1,296.
The lowest price recently found on this route was $916.

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of April, then book flights to Bangkok from Portland during March instead. Flights to Bangkok in March, while not as cheap as those in April, still average around $983.

How far in advance should I book a flight from Portland 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 $1,168 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 $985 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

Best Price Found	$412
Fastest flight time	25h 04m
Direct flights	None

The best one-way flight to Bangkok from Portland in the past 72 hours is $412. The best round-trip flight deal from Portland to Bangkok found on momondo in the last 72 hours is $916.

The fastest flight from Portland to Bangkok takes 25h 04m

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

Search flight deals

Frequently asked questions about flying from Portland to Bangkok

How far is Portland to Bangkok by plane?
The distance between Portland and Bangkok is about 7529.0 mi. 25h 04m 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 November 2026, there are 10 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 $99	Free Cancellation	Rating 7.8 8,697 reviews	Search Delta flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,635 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $773	Free Cancellation	Rating 8.8 410 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 854 reviews	Search China Airlines flights
Korean Air	PriceFrom $862	Free Cancellation	Rating 8.4 1,219 reviews	Search Korean Air flights
United Airlines	PriceFrom $875	Free Cancellation	Rating 7.3 10,463 reviews	Search United Airlines flights
Air Canada	PriceFrom $896	Free Cancellation	Rating 7.1 11,846 reviews	Search Air Canada flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,552 reviews	Search EVA Air flights
Japan Airlines	PriceFrom $944	Free Cancellation	Rating 8.3 1,965 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,026	Free Cancellation	Rating 8.3 1,338 reviews	Search ANA flights

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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.

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Complete your trip

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Fly into one of these airports located in Bangkok

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Bangkok Don Mueang Intl Airport

Cheap flights from Portland to Bangkok from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bangkok departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Bangkok

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Cheap last minute flights

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Filter for what you want

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Delta flights from Portland to Bangkok

Our best Delta deals on Portland to Bangkok flight tickets

Qatar Airways flights from Portland to Bangkok

Our best Qatar Airways deals on Portland to Bangkok flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Bangkok that are best for you.

See travel insights to Bangkok from

How to get the cheapest flight ticket from Portland to Bangkok

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

What is the cheapest month to fly to Bangkok?

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

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

What airlines fly to Bangkok?

Cheap Portland to Bangkok flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Bangkok

Best airlines flying from Portland to Bangkok

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

Why use momondo?

An easier way to manage your Bangkok trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok

Fly your favorite airline to Bangkok

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Bangkok

Explore popular destinations other users love

According to popular flight searches on momondo this year