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

Air Canada, United Airlines, and Qatar Airways are the most popular carriers operating from Portland to Thailand

What airlines fly to Thailand?

Air Canada, STARLUX Airlines and United Airlines are the top three most popular airlines that fly to Thailand 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 Thailand. Keep in mind that there are 11 different airlines that fly to Thailand 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 Thailand?

Prices for flights from Portland Airport to Thailand are updated daily.

How many operators does momondo search for flights from Portland Airport to Thailand?

As of August 2026, there are 11 operators available to choose from for flights from Portland Airport to Thailand.

How old do you have to be to fly from Portland Airport to Thailand?

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 Thailand.

What documentation or ID do you need to fly to Thailand?

The travel and health documents required for your trip to Thailand 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 Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$419 Cheap Flights from Portland to Thailand in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Thailand

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

28h 55m1 stop Vancouver Intl

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

26h 06m1 stop Vancouver Intl

$833Air Canada

Mon, Sep 7 - Mon, Sep 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

$833Air Canada

Mon, Sep 7 - Mon, Sep 21

10:10 am - 9:45 pmPDX Portland-BKK Bangkok Suvarnabhumi

21h 35m2 stops Vancouver Intl Incheon Intl

7:05 am - 7:06 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 01m1 stop Vancouver Intl

$850Multiple Airlines

Mon, Sep 7 - Wed, Oct 21

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

23h 50m2 stops Vancouver Intl Hong Kong Intl

2:35 am - 2:46 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 11m2 stops Incheon Intl Vancouver Intl

$867Multiple Airlines

Wed, Sep 2 - Tue, Sep 29

10:10 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

28h 55m1 stop Vancouver Intl

7:05 am - 7:06 pmBKK Bangkok Suvarnabhumi-PDX Portland

26h 01m1 stop Vancouver Intl

$892ANA

Mon, Sep 7 - Wed, Oct 21

7:00 am - 9:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

23h 30m2 stops Seattle/Tacoma Intl Incheon Intl

11:15 pm - 1:35 pmBKK Bangkok Suvarnabhumi-PDX Portland

29h 20m2 stops Incheon Intl Seattle/Tacoma Intl

$967Korean Air

Tue, Nov 24 - Sun, Dec 6

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

32h 42m2 stops San Francisco Tokyo Haneda

7:55 am - 4:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

22h 55m2 stops Tokyo Narita San Francisco

$986Japan Airlines

Wed, Sep 2 - Wed, Sep 16

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

$987Japan Airlines

Thu, Sep 3 - Tue, Sep 8

7:00 am - 11:20 pmPDX Portland-BKK Bangkok Suvarnabhumi

25h 20m2 stops Los Angeles Incheon Intl

12:55 am - 6:56 pmBKK Bangkok Suvarnabhumi-PDX Portland

33h 01m2 stops Incheon Intl Los Angeles

$997Korean Air

Thu, Nov 12 - Wed, Dec 9

5:36 am - 10:50 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 14m2 stops San Francisco Tokyo Narita

2:25 pm - 6:31 pmBKK Bangkok Suvarnabhumi-PDX Portland

43h 06m2 stops Tokyo Haneda San Francisco

$1,009ANA

Mon, Jan 4 - Tue, Jan 19

Cheap last minute flights

Enter your travel dates to find the best prices.

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

26h 55m2 stops San Francisco Tokyo Narita

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

27h 10m2 stops Tokyo Haneda San Francisco

$1,011United Airlines

Thu, Aug 13 - Wed, Aug 26

5:30 am - 11:55 pmPDX Portland-BKK Bangkok Suvarnabhumi

28h 25m2 stops San Francisco Tokyo Narita

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

43h 12m2 stops Tokyo Haneda San Francisco

$1,011United Airlines

Thu, Aug 13 - Wed, Aug 19

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

30h 32m3 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

$1,012United Airlines

Thu, Aug 13 - Wed, Aug 26

7:15 am - 11:30 pmPDX Portland-BKK Bangkok Suvarnabhumi

26h 15m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

4:45 pm - 1:50 pmBKK Bangkok Suvarnabhumi-PDX Portland

35h 05m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,082Multiple Airlines

Sat, Aug 15 - Mon, Aug 17

7:19 am - 7:30 pmPDX Portland-DMK Bangkok Don Mueang Intl

46h 11m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

3:00 am - 8:51 pmDMK Bangkok Don Mueang Intl-PDX Portland

31h 51m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,256Multiple Airlines

Thu, Aug 13 - Tue, Aug 25

7:19 am - 12:15 amPDX Portland-DMK Bangkok Don Mueang Intl

26h 56m2 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

$1,297Multiple Airlines

Thu, Aug 13 - Wed, Aug 26

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

23h 35m1 stop Vancouver Intl

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

39h 31m2 stops Singapore Changi Vancouver Intl

$1,631Air Canada

Sat, Aug 15 - Mon, Aug 17

10:10 am - 5:05 amPDX Portland-BKK Bangkok Suvarnabhumi

28h 55m1 stop Vancouver Intl

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

16h 26m1 stop Vancouver Intl

$1,834Air Canada

Sat, Aug 15 - Mon, Aug 17

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

27h 52m2 stops San Francisco Los Angeles

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

31h 12m2 stops Tokyo Haneda San Francisco

$1,862ANA

Fri, Aug 14 - Sun, Aug 16

2:49 pm - 10:50 amPDX Portland-HKT Phuket City

30h 01m2 stops San Francisco Singapore Changi

3:00 pm - 9:02 amHKT Phuket City-PDX Portland

32h 02m2 stops Singapore Changi San Francisco

$3,878Singapore Airlines

Thu, Aug 13 - Sat, Aug 15

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Japan Airlines flights from Portland to Thailand

Our best Japan Airlines deals on Portland to Thailand flight tickets

Japan Airlines

Sep 1

PDX7:03 amPortland

42h 07m

2 stops

BKK3:10 pmBangkok Suvarnabhumi

Sep 9

BKK7:55 amBangkok Suvarnabhumi

19h 42m

2 stops

PDX1:37 pmPortland

$971

Japan Airlines

Sep 2

PDX7:03 amPortland

32h 42m

2 stops

BKK5:45 amBangkok Suvarnabhumi

Sep 16

BKK7:55 amBangkok Suvarnabhumi

22h 55m

2 stops

PDX4:50 pmPortland

$986

Japan Airlines

Aug 26

PDX7:03 amPortland

32h 42m

2 stops

BKK5:45 amBangkok Suvarnabhumi

Sep 8

BKK9:40 pmBangkok Suvarnabhumi

33h 10m

2 stops

PDX4:50 pmPortland

$987

Delta flights from Portland to Thailand

Our best Delta deals on Portland to Thailand flight tickets

Delta

Jan 19

PDX9:40 amPortland

24h 05m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Jan 27

BKK11:15 pmBangkok Suvarnabhumi

34h 28m

2 stops

PDX6:43 pmPortland

$992

Delta

Jan 17

PDX5:45 pmPortland

40h 00m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Feb 23

BKK11:15 pmBangkok Suvarnabhumi

39h 37m

2 stops

PDX11:52 pmPortland

$997

Delta

Sep 28

PDX5:30 amPortland

26h 40m

2 stops

HKT10:10 pmPhuket City

Oct 5

HKT11:25 pmPhuket City

31h 39m

2 stops

PDX5:04 pmPortland

$1,092

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-5:05 am

1 stop28h 55m

Bangkok Suvarnabhumi

Mon 9/21

7:05 am-7:11 pm

1 stop26h 06m

$833

Quickest round-trip

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

7:45 pm-5:05 am

1 stop19h 20m

Bangkok Suvarnabhumi

Mon 9/21

7:05 am-7:11 pm

1 stop26h 06m

$833

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

10:10 am-9:45 pm

2 stops21h 35m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-7:06 pm

1 stop26h 01m

$850

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 9/2

7:45 pm-9:35 am

2 stops23h 50m

Bangkok Suvarnabhumi

Tue 9/29

2:35 am-2:46 pm

2 stops26h 11m

$867

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 9/7

10:10 am-5:05 am

1 stop28h 55m

Bangkok Suvarnabhumi

Wed 10/21

7:05 am-7:06 pm

1 stop26h 01m

$892

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Tue 11/24

7:00 am-9:30 pm

2 stops23h 30m

Bangkok Suvarnabhumi

Sun 12/6

11:15 pm-1:35 pm

2 stops29h 20m

$967

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 9/2

7:03 am-5:45 am

2 stops32h 42m

Bangkok Suvarnabhumi

Wed 9/16

7:55 am-4:50 pm

2 stops22h 55m

$986

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 9/3

7:03 am-5:45 am

2 stops32h 42m

Bangkok Suvarnabhumi

Tue 9/8

9:40 pm-4:50 pm

2 stops33h 10m

$987

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Thu 11/12

7:00 am-11:20 pm

2 stops25h 20m

Bangkok Suvarnabhumi

Wed 12/9

12:55 am-6:56 pm

2 stops33h 01m

$997

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Mon 1/4

5:36 am-10:50 pm

2 stops26h 14m

Bangkok Suvarnabhumi

Tue 1/19

2:25 pm-6:31 pm

2 stops43h 06m

$1,009

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 Thailand

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 Thailand?

The month of April is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $914. If you are unable to visit Thailand during the month of April, then departing from Portland during the month January is also very affordable. Most momondo users find prices during this month for around $981.

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

You are more likely to see cheaper flights to Thailand from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand 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 Thailand from Portland for as low as $994 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 29% on your flight if you consider stops on a Portland to Thailand flight.

Cheap Portland to Thailand flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Thailand

Fastest flight time	22h 48m
Direct flights	None

The fastest flight from Portland to Thailand takes 22h 48m

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

Search flight deals

Frequently asked questions about flying from Portland to Thailand

When did momondo last update prices for flights from Portland Airport to Thailand?
Prices for flights from Portland Airport to Thailand are updated daily.
How many operators does momondo search for flights from Portland Airport to Thailand?
As of August 2026, there are 11 operators available to choose from for flights from Portland Airport to Thailand.
How old do you have to be to fly from Portland Airport to Thailand?
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 Thailand.
What documentation or ID do you need to fly to Thailand?
The travel and health documents required for your trip to Thailand 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 Thailand. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Thailand

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $139	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,451 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $753	Free Cancellation	Rating 8.8 367 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,584 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 841 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,898 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $822	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
ANA	PriceFrom $861	Free Cancellation	Rating 8.3 1,294 reviews	Search ANA flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,515 reviews	Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Thailand?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Thailand. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Thailand with flexible booking policies on momondo?

Flights from Portland to Thailand with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Thailand?

Once you have performed a search for Portland to Thailand flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Thailand right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Thailand, momondo offers a useful price alert feature which will track prices for flights to Thailand from Portland and alert you when they change.