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

Air Canada 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 51% 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 August 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.

$419 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.

10:10 am - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 25m2 stops Vancouver Intl Incheon Intl

7:05 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 06m1 stop Vancouver Intl

$770Air Canada

Mon, Sep 7 - Wed, Oct 21

7:45 pm - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

37h 50m2 stops Vancouver Intl Incheon Intl

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

31h 36m2 stops Incheon Intl Vancouver Intl

$778Air Canada

Tue, Sep 1 - Mon, Sep 28

7:45 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 50m2 stops Vancouver Intl Hong Kong Intl

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

26h 11m2 stops Tokyo Narita Vancouver Intl

$873Multiple Airlines

Wed, Sep 2 - Wed, Sep 30

7:45 pm - 9:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

36h 10m2 stops Vancouver Intl Tokyo Narita

11:55 pm - 8:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 51m2 stops Incheon Intl Vancouver Intl

$877Multiple Airlines

Sat, Sep 12 - Sun, Oct 25

5:35 am - 5:10 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 35m2 stops San Francisco Tokyo Haneda

9:10 am - 12:54 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 44m2 stops Tokyo Haneda San Francisco

$900United Airlines

Mon, Feb 15 - Wed, Mar 3

7:30 am - 5:10 amPDX Portland-BKK Bangkok Suvarnabhumi

30h 40m2 stops San Francisco Tokyo Haneda

9:10 am - 12:54 amBKK Bangkok Suvarnabhumi-PDX Portland

30h 44m2 stops Tokyo Haneda San Francisco

$900United Airlines

Tue, Jan 19 - Tue, Mar 2

5:35 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 15m2 stops San Francisco Tokyo Narita

7:10 am - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 21m2 stops Tokyo Narita San Francisco

$909ANA

Tue, Jan 12 - Sat, Jan 23

9:00 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 55m2 stops San Francisco Tokyo Narita

7:00 am - 2:27 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 27m2 stops Tokyo Narita San Francisco

$909ANA

Thu, Sep 17 - Sat, Sep 26

7:03 am - 5:45 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 42m2 stops San Francisco Tokyo Haneda

9:40 pm - 4:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

33h 10m2 stops Tokyo Haneda San Francisco

$968Japan Airlines

Thu, Sep 3 - Mon, Sep 7

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

30h 56m2 stops San Francisco Tokyo Haneda

8:05 am - 1:48 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 43m2 stops Tokyo Narita San Francisco

$981Japan Airlines

Tue, Jan 19 - Wed, Jan 27

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 pm - 4:35 amPDX Portland-BKK Bangkok Suvarnabhumi

43h 20m2 stops San Francisco Tokyo Haneda

9:35 am - 2:47 pmBKK Bangkok Suvarnabhumi-PDX Portland

43h 12m2 stops Tokyo Haneda San Francisco

$1,029United Airlines

Sat, Aug 22 - Wed, Aug 26

7:00 am - 5:55 amPDX Portland-BKK Bangkok Suvarnabhumi

32h 55m2 stops San Francisco Tokyo Haneda

9:35 pm - 6:19 pmBKK Bangkok Suvarnabhumi-PDX Portland

34h 44m2 stops Tokyo Haneda San Francisco

$1,050ANA

Sat, Aug 22 - Mon, Aug 24

7:00 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 55m2 stops San Francisco Tokyo Narita

3:45 pm - 10:45 pmBKK Bangkok Suvarnabhumi-PDX Portland

45h 00m3 stops Hong Kong Intl Los Angeles San Francisco

$1,058United Airlines

Sat, Aug 22 - Mon, Aug 24

3:43 pm - 9:35 amPDX Portland-BKK Bangkok Suvarnabhumi

27h 52m3 stops San Francisco Los Angeles Hong Kong Intl

9:35 am - 10:45 pmBKK Bangkok Suvarnabhumi-PDX Portland

27h 10m2 stops Tokyo Haneda San Francisco

$1,068United Airlines

Sat, Aug 22 - Wed, Aug 26

7:45 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

19h 20m1 stop Vancouver Intl

9:35 pm - 2:47 pmBKK Bangkok Suvarnabhumi-PDX Portland

31h 12m2 stops Tokyo Haneda San Francisco

$1,179Multiple Airlines

Sat, Aug 22 - Wed, Aug 26

7:03 am - 12:15 amPDX Portland-DMK Bangkok Don Mueang Intl

27h 12m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

6:15 am - 9:07 amDMK Bangkok Don Mueang Intl-PDX Portland

40h 52m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,305Multiple Airlines

Sat, Aug 22 - Mon, Aug 24

3:30 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

23h 35m1 stop Vancouver Intl

9:35 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 36m2 stops Tokyo Haneda Vancouver Intl

$1,319Multiple Airlines

Sat, Aug 22 - Mon, Aug 24

3:10 pm - 12:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

31h 25m1 stop Frankfurt am Main

10:35 pm - 1:35 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 00m1 stop Frankfurt am Main

$1,968Condor

Sat, Aug 22 - Wed, Aug 26

7:45 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

19h 20m1 stop Vancouver Intl

7:05 am - 9:31 amBKK Bangkok Suvarnabhumi-PDX Portland

16h 26m1 stop Vancouver Intl

$4,217Air Canada

Sat, Aug 22 - Mon, Aug 24

9:32 pm - 12:00 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 28m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

1:10 pm - 7:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 40m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$18,068STARLUX Airlines

Sun, Aug 23 - Sun, Aug 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

ANA flights from Portland to Bangkok

Our best ANA deals on Portland to Bangkok flight tickets

ANA

Sep 17

PDX9:00 amPortland

24h 55m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

Sep 26

BKK7:00 amBangkok Suvarnabhumi

21h 27m

2 stops

PDX2:27 pmPortland

$909

ANA

Aug 22

PDX7:00 amPortland

32h 55m

2 stops

BKK5:55 amBangkok Suvarnabhumi

Aug 24

BKK9:35 pmBangkok Suvarnabhumi

34h 44m

2 stops

PDX6:19 pmPortland

$1,050

ANA

Sep 2

PDX7:00 amPortland

31h 35m

2 stops

BKK4:35 amBangkok Suvarnabhumi

Sep 9

BKK7:00 amBangkok Suvarnabhumi

25h 19m

2 stops

PDX6:19 pmPortland

$1,798

United Airlines flights from Portland to Bangkok

Our best United Airlines deals on Portland to Bangkok flight tickets

United Airlines

Jan 19

PDX7:30 amPortland

30h 40m

2 stops

BKK5:10 amBangkok Suvarnabhumi

Mar 2

BKK9:10 amBangkok Suvarnabhumi

30h 44m

2 stops

PDX12:54 amPortland

$900

United Airlines

Feb 15

PDX7:30 amPortland

30h 40m

2 stops

BKK5:10 amBangkok Suvarnabhumi

Mar 3

BKK7:10 amBangkok Suvarnabhumi

26h 21m

3 stops

PDX6:31 pmPortland

$901

United Airlines

Sep 13

PDX1:03 pmPortland

30h 32m

3 stops

BKK9:35 amBangkok Suvarnabhumi

Sep 27

BKK9:35 amBangkok Suvarnabhumi

25h 25m

2 stops

PDX9:00 pmPortland

$904

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

10:10 am-11:35 pm

2 stops23h 25m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-7:11 pm

1 stop26h 06m

$770

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 9/1

7:45 pm-11:35 pm

2 stops37h 50m

Bangkok Suvarnabhumi

Mon 9/28

1:35 am-7:11 pm

2 stops31h 36m

$778

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 9/2

7:45 pm-9:35 am

2 stops23h 50m

Bangkok Suvarnabhumi

Wed 9/30

7:00 am-7:11 pm

2 stops26h 11m

$873

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sat 9/12

7:45 pm-9:55 pm

2 stops36h 10m

Bangkok Suvarnabhumi

Sun 10/25

11:55 pm-8:46 pm

2 stops34h 51m

$877

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 2/15

5:35 am-5:10 am

2 stops32h 35m

Bangkok Suvarnabhumi

Wed 3/3

9:10 am-12:54 am

2 stops30h 44m

$900

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

7:30 am-5:10 am

2 stops30h 40m

Bangkok Suvarnabhumi

Tue 3/2

9:10 am-12:54 am

2 stops30h 44m

$900

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/12

5:35 am-10:50 pm

2 stops26h 15m

Bangkok Suvarnabhumi

Sat 1/23

7:10 am-6:31 pm

2 stops26h 21m

$909

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 9/17

9:00 am-11:55 pm

2 stops24h 55m

Bangkok Suvarnabhumi

Sat 9/26

7:00 am-2:27 pm

2 stops21h 27m

$909

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 9/3

7:03 am-5:45 am

2 stops32h 42m

Bangkok Suvarnabhumi

Mon 9/7

9:40 pm-4:50 pm

2 stops33h 10m

$968

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

7:09 am-5:05 am

2 stops30h 56m

Bangkok Suvarnabhumi

Wed 1/27

8:05 am-1:48 pm

2 stops20h 43m

$981

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 $864 to $1,164.
The lowest price recently found on this route was $770.

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 $1,135 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 $975 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	$419
Fastest flight time	23h 10m
Direct flights	None

The best one-way flight to Bangkok from Portland in the past 72 hours is $419. The best round-trip flight deal from Portland to Bangkok found on momondo in the last 72 hours is $770.

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 August 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 $139	Free Cancellation	Rating 7.8 8,512 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,455 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.8 371 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,585 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 843 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,908 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
United Airlines	PriceFrom $852	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
ANA	PriceFrom $890	Free Cancellation	Rating 8.3 1,299 reviews	Search ANA flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,518 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 9/20

Sun 9/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand

Nearby airports

Airlines

Other Thailand destinations

Other flights from Portland

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 $419

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 8/31. 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

ANA flights from Portland to Bangkok

Our best ANA deals on Portland to Bangkok flight tickets

United Airlines flights from Portland to Bangkok

Our best United Airlines 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