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 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.

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

23h 35m1 stop Vancouver Intl

7:05 am - 2:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

21h 41m1 stop Vancouver Intl

$754Air Canada

Mon, Sep 7 - Wed, Oct 21

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

19h 20m1 stop Vancouver Intl

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

26h 06m1 stop Vancouver Intl

$754Air Canada

Mon, Sep 7 - Wed, Oct 21

7:00 am - 11:15 amPDX Portland-BKK Bangkok Suvarnabhumi

37h 15m2 stops Vancouver Intl Incheon Intl

12:20 pm - 8:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

47h 26m2 stops Incheon Intl Vancouver Intl

$833Multiple Airlines

Tue, Dec 1 - Sun, Dec 13

7:03 am - 9:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

24h 52m2 stops San Francisco Shanghai Pu Dong

5:05 am - 1:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

23h 45m2 stops Shanghai Pu Dong San Francisco

$861Multiple Airlines

Thu, Sep 17 - Sat, Dec 12

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

25h 26m2 stops San Francisco Tokyo Narita

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

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$964Japan Airlines

Tue, Jan 19 - Wed, Jan 27

9:30 pm - 11:35 pmPDX Portland-BKK Bangkok Suvarnabhumi

35h 05m2 stops Seattle/Tacoma Intl Tokyo Narita

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

20h 34m2 stops Tokyo Narita Seattle/Tacoma Intl

$974Japan Airlines

Sun, Jan 31 - Tue, Feb 9

9:32 am - 11:20 pmPDX Portland-BKK Bangkok Suvarnabhumi

22h 48m2 stops Seattle/Tacoma Intl Incheon Intl

9:40 am - 11:56 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 16m2 stops Incheon Intl Seattle/Tacoma Intl

$992Delta

Mon, Nov 9 - Mon, Nov 16

5:30 am - 9:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 15m2 stops Seattle/Tacoma Intl Incheon Intl

9:30 pm - 11:59 pmBKK Bangkok Suvarnabhumi-PDX Portland

40h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$992Delta

Tue, Oct 6 - Sun, Oct 25

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

43h 20m2 stops San Francisco Tokyo Haneda

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

27h 10m2 stops Tokyo Haneda San Francisco

$994United Airlines

Sun, Sep 6 - Thu, Sep 10

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

30h 40m2 stops San Francisco Tokyo Haneda

9:10 am - 8:33 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 23m2 stops Tokyo Haneda San Francisco

$998United Airlines

Mon, Jan 11 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

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

36h 25m2 stops Vancouver Intl Singapore Changi

11:15 am - 7:11 pmBKK Bangkok Suvarnabhumi-PDX Portland

45h 56m2 stops Singapore Changi Vancouver Intl

$832Air Canada

Thu, Aug 27 - Sat, Sep 12

3:30 pm - 10:10 pmPDX Portland-BKK Bangkok Suvarnabhumi

40h 40m2 stops Vancouver Intl Singapore Changi

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

31h 36m2 stops Incheon Intl Vancouver Intl

$833Air Canada

Thu, Aug 27 - Mon, Sep 14

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

36h 00m2 stops Vancouver Intl Incheon Intl

8:25 am - 2:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

20h 21m2 stops Osaka Kansai Intl Vancouver Intl

$967Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

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

$979Japan Airlines

Thu, Aug 27 - Tue, Sep 8

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

$979Japan Airlines

Thu, Aug 27 - Wed, Sep 9

7:00 am - 4:35 amPDX Portland-BKK Bangkok Suvarnabhumi

31h 35m2 stops San Francisco Tokyo Haneda

9:35 am - 8:47 pmBKK Bangkok Suvarnabhumi-PDX Portland

25h 12m2 stops Tokyo Haneda San Francisco

$998United Airlines

Thu, Aug 27 - Wed, Sep 9

7:00 am - 4:35 amPDX Portland-BKK Bangkok Suvarnabhumi

31h 35m2 stops San Francisco Tokyo Haneda

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

27h 10m2 stops Tokyo Haneda San Francisco

$998United Airlines

Mon, Aug 31 - Wed, Sep 9

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

26h 55m2 stops San Francisco Tokyo Narita

11:35 pm - 2:36 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 01m2 stops Tokyo Narita San Francisco

$1,007ANA

Thu, Aug 27 - Sun, Sep 13

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

24h 55m2 stops San Francisco Tokyo Narita

11:35 pm - 2:36 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 01m2 stops Tokyo Narita San Francisco

$1,038ANA

Fri, Aug 28 - Sun, Sep 13

11:02 pm - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

40h 03m2 stops Chicago O'Hare Intl Vancouver Intl

5:50 pm - 10:01 pmBKK Bangkok Suvarnabhumi-PDX Portland

42h 11m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,062Multiple Airlines

Fri, Aug 28 - Fri, Sep 4

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Air Canada flights from Portland to Bangkok

Our best Air Canada deals on Portland to Bangkok flight tickets

Air Canada

Sep 7

PDX3:30 pmPortland

23h 35m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Oct 21

BKK7:05 amBangkok Suvarnabhumi

21h 41m

1 stop

PDX2:46 pmPortland

$754

Air Canada

Sep 7

PDX10:10 amPortland

23h 25m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Oct 21

BKK7:05 amBangkok Suvarnabhumi

26h 06m

1 stop

PDX7:11 pmPortland

$771

Air Canada

Sep 7

PDX3:30 pmPortland

23h 35m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Oct 21

BKK7:05 amBangkok Suvarnabhumi

27h 55m

2 stops

PDX9:00 pmPortland

$774

Delta flights from Portland to Bangkok

Our best Delta deals on Portland to Bangkok flight tickets

Delta

Oct 6

PDX5:30 amPortland

26h 15m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

Oct 26

BKK11:15 pmBangkok Suvarnabhumi

34h 45m

2 stops

PDX8:00 pmPortland

$992

Delta

Nov 11

PDX7:00 amPortland

25h 20m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

Feb 23

BKK11:15 pmBangkok Suvarnabhumi

39h 17m

2 stops

PDX11:32 pmPortland

$993

Delta

Oct 5

PDX8:44 pmPortland

36h 51m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Oct 20

BKK9:50 amBangkok Suvarnabhumi

28h 09m

2 stops

PDX11:59 pmPortland

$998

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

3:30 pm-5:05 am

1 stop23h 35m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-2:46 pm

1 stop21h 41m

$754

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

7:45 pm-5:05 am

1 stop19h 20m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-7:11 pm

1 stop26h 06m

$754

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 12/1

7:00 am-11:15 am

2 stops37h 15m

Bangkok Suvarnabhumi

Sun 12/13

12:20 pm-8:46 pm

2 stops47h 26m

$833

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 9/17

7:03 am-9:55 pm

2 stops24h 52m

Bangkok Suvarnabhumi

Sat 12/12

5:05 am-1:50 pm

2 stops23h 45m

$861

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 1/19

7:09 am-11:35 pm

2 stops25h 26m

Bangkok Suvarnabhumi

Wed 1/27

7:55 am-1:29 pm

2 stops20h 34m

$964

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 1/31

9:30 pm-11:35 pm

2 stops35h 05m

Bangkok Suvarnabhumi

Tue 2/9

7:55 am-1:29 pm

2 stops20h 34m

$974

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 11/9

9:32 am-11:20 pm

2 stops22h 48m

Bangkok Suvarnabhumi

Mon 11/16

9:40 am-11:56 pm

2 stops29h 16m

$992

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 10/6

5:30 am-9:45 pm

2 stops26h 15m

Bangkok Suvarnabhumi

Sun 10/25

9:30 pm-11:59 pm

2 stops40h 29m

$992

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 9/6

7:15 pm-4:35 am

2 stops43h 20m

Bangkok Suvarnabhumi

Thu 9/10

9:35 am-10:45 pm

2 stops27h 10m

$994

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/11

7:30 am-5:10 am

2 stops30h 40m

Bangkok Suvarnabhumi

Tue 1/19

9:10 am-8:33 pm

2 stops26h 23m

$998

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 $863 to $1,168.
The lowest price recently found on this route was $754.

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 $967.

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 $1,138 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 $994 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	22h 30m
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 $754.

The fastest flight from Portland to Bangkok takes 22h 30m

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. 22h 30m 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 $99	Free Cancellation	Rating 7.8 8,529 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,460 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.7 376 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,587 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 843 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $791	Free Cancellation	Rating 8.3 1,909 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 10,123 reviews	Search United Airlines flights
ANA	PriceFrom $890	Free Cancellation	Rating 8.3 1,300 reviews	Search ANA flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,522 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.

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Complete your trip

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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 9/9. 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

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Cheap last minute flights

Big names and deals

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Filter for what you want

Filter for what you want

Trusted and free

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Air Canada flights from Portland to Bangkok

Our best Air Canada deals on Portland to Bangkok flight tickets

Delta flights from Portland to Bangkok

Our best Delta 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