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

United 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 50% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 11 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 September 2026, there are 11 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.

$436 Cheap Flights from Portland to Bangkok in 2026

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.

7:00 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Vancouver Intl Incheon Intl

8:25 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 06m1 stop Vancouver Intl

$816Air Canada

Thu, Dec 3 - Sun, Dec 13

7:00 am - 12:20 amPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops Vancouver Intl Incheon Intl

9:50 am - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

19h 51m2 stops Incheon Intl Vancouver Intl

$823Air Canada

Thu, Dec 3 - Sun, Dec 13

5:32 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 03m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 8:40 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 00m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$894Multiple Airlines

Sun, Jan 31 - Tue, Feb 9

5:32 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 03m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 8:40 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 00m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$894Multiple Airlines

Tue, Jan 19 - Wed, Jan 27

5:30 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 20m2 stops San Francisco Tokyo Narita

7:00 am - 4:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 11m2 stops Tokyo Narita San Francisco

$938ANA

Tue, Dec 29 - Wed, Apr 21

2:34 pm - 4:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

34h 56m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 8:40 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 00m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Mon, Jan 18 - Mon, Jan 25

2:34 pm - 4:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

34h 56m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:40 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 45m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Wed, Jan 27 - Sun, Feb 14

7:09 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 26m2 stops San Francisco Tokyo Narita

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

20h 53m2 stops Tokyo Narita San Francisco

$960Japan Airlines

Wed, Jan 20 - Thu, Jan 28

7:09 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

30h 56m2 stops San Francisco Tokyo Haneda

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

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,032Japan Airlines

Sun, Jan 24 - Wed, Feb 3

7:30 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 20m2 stops San Francisco Tokyo Narita

12:10 am - 2:15 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 05m2 stops Tokyo Narita San Francisco

$1,039ANA

Mon, Jan 18 - Fri, Jan 29

Cheap last minute flights

Enter your travel dates to find the best prices.

3:30 pm - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

42h 05m2 stops Vancouver Intl Incheon Intl

8:00 am - 9:31 amBKK Bangkok Suvarnabhumi-PDX Portland

39h 31m2 stops Singapore Changi Vancouver Intl

$783Air Canada

Tue, Sep 15 - Wed, Sep 30

7:45 pm - 10:10 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 25m2 stops Vancouver Intl Singapore Changi

1:35 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

31h 36m2 stops Incheon Intl Vancouver Intl

$783Air Canada

Tue, Sep 15 - Sun, Sep 27

8:18 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:50 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 35m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$894Multiple Airlines

Mon, Sep 14 - Wed, Sep 16

8:18 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

5:50 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

29h 35m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$928Multiple Airlines

Wed, Sep 16 - Sat, Sep 26

8:18 pm - 4:40 pmPDX Portland-BKK Bangkok Suvarnabhumi

30h 22m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:10 pm - 10:50 amBKK Bangkok Suvarnabhumi-PDX Portland

35h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$935Multiple Airlines

Sun, Sep 13 - Mon, Sep 21

5:55 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 05m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:10 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

34h 15m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Wed, Sep 16 - Wed, Sep 30

8:18 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 42m2 stops Los Angeles Taipei City Taiwan Taoyuan Intl

1:45 pm - 9:25 amBKK Bangkok Suvarnabhumi-PDX Portland

34h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

$941STARLUX Airlines

Thu, Sep 17 - Sat, Dec 12

7:21 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

67h 44m2 stops San Francisco Vancouver Intl

11:55 pm - 2:41 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 46m2 stops Incheon Intl Vancouver Intl

$949Air Canada

Thu, Sep 17 - Sat, Dec 12

1:03 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

30h 32m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 10:57 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 22m2 stops Tokyo Haneda San Francisco

$1,002United Airlines

Tue, Sep 15 - Wed, Sep 30

3:40 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 55m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 10:57 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 22m2 stops Tokyo Haneda San Francisco

$1,002United Airlines

Wed, Sep 16 - Wed, Sep 30

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United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets

United Airlines

Jan 11

PDX7:30 amPortland

30h 40m

2 stops

BKK5:10 amBangkok Suvarnabhumi

Jan 20

BKK7:10 amBangkok Suvarnabhumi

26h 10m

3 stops

PDX6:20 pmPortland

$1,000

United Airlines

Sep 15

PDX1:03 pmPortland

30h 32m

3 stops

BKK9:35 amBangkok Suvarnabhumi

Sep 30

BKK9:35 amBangkok Suvarnabhumi

27h 22m

2 stops

PDX10:57 pmPortland

$1,002

United Airlines

Sep 24

PDX3:23 pmPortland

28h 12m

3 stops

BKK9:35 amBangkok Suvarnabhumi

Oct 21

BKK9:35 amBangkok Suvarnabhumi

25h 25m

2 stops

PDX9:00 pmPortland

$1,003

Korean Air flights from Portland to Bangkok

Our best Korean Air deals on Portland to Bangkok flight tickets

Korean Air

Sep 22

PDX9:51 amPortland

37h 44m

2 stops

BKK1:35 pmBangkok Suvarnabhumi

Sep 27

BKK9:40 pmBangkok Suvarnabhumi

33h 29m

2 stops

PDX5:09 pmPortland

$998

Korean Air

Sep 29

PDX9:51 amPortland

37h 44m

2 stops

BKK1:35 pmBangkok Suvarnabhumi

Oct 21

BKK2:35 amBangkok Suvarnabhumi

33h 44m

2 stops

PDX10:19 pmPortland

$999

Korean Air

Jan 17

PDX2:00 pmPortland

42h 05m

2 stops

BKK11:05 pmBangkok Suvarnabhumi

Jan 31

BKK9:50 amBangkok Suvarnabhumi

42h 18m

2 stops

PDX1:08 pmPortland

$1,005

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-12:20 am

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 12/13

8:25 am-6:31 pm

1 stop25h 06m

$816

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 12/3

7:00 am-12:20 am

2 stops26h 20m

Bangkok Suvarnabhumi

Sun 12/13

9:50 am-2:41 pm

2 stops19h 51m

$823

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/31

5:32 pm-12:35 pm

2 stops28h 03m

Bangkok Suvarnabhumi

Tue 2/9

5:40 pm-8:40 am

2 stops30h 00m

$894

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

5:32 pm-12:35 pm

2 stops28h 03m

Bangkok Suvarnabhumi

Wed 1/27

5:40 pm-8:40 am

2 stops30h 00m

$894

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 12/29

5:30 am-10:50 pm

2 stops26h 20m

Bangkok Suvarnabhumi

Wed 4/21

7:00 am-4:11 pm

2 stops23h 11m

$938

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

2:34 pm-4:30 pm

2 stops34h 56m

Bangkok Suvarnabhumi

Mon 1/25

5:40 pm-8:40 am

2 stops30h 00m

$941

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/27

2:34 pm-4:30 pm

2 stops34h 56m

Bangkok Suvarnabhumi

Sun 2/14

5:40 pm-9:25 am

2 stops30h 45m

$941

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 1/20

7:09 am-11:35 pm

2 stops25h 26m

Bangkok Suvarnabhumi

Thu 1/28

7:55 am-1:48 pm

2 stops20h 53m

$960

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/24

7:09 am-5:05 am

2 stops30h 56m

Bangkok Suvarnabhumi

Wed 2/3

7:55 am-1:29 pm

2 stops20h 34m

$1,032

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/18

7:30 am-10:50 pm

2 stops24h 20m

Bangkok Suvarnabhumi

Fri 1/29

12:10 am-2:15 pm

2 stops29h 05m

$1,039

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 $875 to $1,176.
The lowest price recently found on this route was $816.

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 November instead. Flights to Bangkok in November, while not as cheap as those in April, still average around $974.

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 $1,149 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 $1,042 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	$436
Fastest flight time	23h 10m
Direct flights	None

The best one-way flight to Bangkok from Portland in the past 72 hours is $436. The best round-trip flight deal from Portland to Bangkok found on momondo in the last 72 hours is $816.

The fastest flight from Portland to Bangkok takes 23h 10m

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. 23h 10m 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 September 2026, there are 11 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 8,565 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,482 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 378 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,600 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 844 reviews	Search China Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,220 reviews	Search Korean Air flights
United Airlines	PriceFrom $872	Free Cancellation	Rating 7.4 10,212 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $882	Free Cancellation	Rating 8.3 1,913 reviews	Search Japan Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,524 reviews	Search EVA Air flights
Air Canada	PriceFrom $918	Free Cancellation	Rating 7.1 11,619 reviews	Search Air Canada 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

Feeling lucky

Fly into one of these airports located in Bangkok

Bangkok Suvarnabhumi Airport

Bangkok Don Mueang Intl Airport

Cheap flights from Portland to Bangkok from $436

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 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

Filter for what you want

Trusted and free

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United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets

Korean Air flights from Portland to Bangkok

Our best Korean Air 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