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 47% 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.

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

Philippine Airlines, United Airlines, and STARLUX Airlines are the most popular carriers operating 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 June 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.

$432 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.

5:40 pm - 12:05 pm

PDX

BKK

27h 25m

2 stops

8:15 am - 2:41 pm

BKK

PDX

21h 26m

1 stop

$948Multiple Airlines

Thu, Nov 12 - Tue, Feb 2

5:40 pm - 12:05 pm

PDX

BKK

27h 25m

2 stops

7:10 am - 2:41 pm

BKK

PDX

22h 31m

2 stops

$959Multiple Airlines

Thu, Nov 12 - Tue, Feb 2

2:34 pm - 9:50 pm

PDX

CNX

41h 16m

2 stops

11:05 pm - 4:34 pm

CNX

PDX

32h 29m

2 stops

$959Multiple Airlines

Fri, Oct 30 - Tue, Nov 3

9:40 am - 11:35 pm

PDX

BKK

22h 55m

2 stops

8:05 am - 12:22 pm

BKK

PDX

19h 17m

2 stops

$965Japan Airlines

Wed, Nov 25 - Wed, Dec 9

5:30 pm - 12:00 pm

PDX

BKK

28h 30m

2 stops

5:30 pm - 1:51 pm

BKK

PDX

34h 21m

2 stops

$970Multiple Airlines

Wed, Aug 12 - Thu, Aug 20

7:03 am - 5:45 am

PDX

BKK

32h 42m

2 stops

7:55 am - 4:50 pm

BKK

PDX

22h 55m

2 stops

$983Japan Airlines

Tue, Sep 1 - Tue, Sep 15

11:48 am - 7:45 am

PDX

HKT

29h 57m

2 stops

8:30 pm - 5:00 pm

HKT

PDX

34h 30m

2 stops

$1,093Qatar Airways

Mon, Sep 28 - Mon, Oct 5

5:07 am - 7:45 am

PDX

HKT

36h 38m

2 stops

8:30 pm - 4:50 pm

HKT

PDX

34h 20m

2 stops

$1,097Qatar Airways

Sun, Aug 23 - Tue, Sep 8

1:03 pm - 11:35 am

PDX

KBV

32h 32m

2 stops

12:40 pm - 6:31 pm

KBV

PDX

43h 51m

2 stops

$2,320Emirates

Mon, Oct 19 - Fri, Oct 23

1:03 pm - 11:35 am

PDX

KBV

32h 32m

2 stops

12:40 pm - 6:31 pm

KBV

PDX

43h 51m

2 stops

$2,546Emirates

Mon, Oct 19 - Fri, Oct 23

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ANA flights from Portland to Thailand

Our best ANA deals on Portland to Thailand flight tickets

ANA

Aug 18

PDX9:00 amPortland

24h 55m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

Sep 9

BKK9:35 pmBangkok Suvarnabhumi

31h 01m

2 stops

PDX2:36 pmPortland

$997

ANA

Sep 8

PDX7:00 amPortland

25h 15m

2 stops

BKK10:15 pmBangkok Suvarnabhumi

Sep 13

BKK1:55 pmBangkok Suvarnabhumi

38h 41m

2 stops

PDX2:36 pmPortland

$1,032

ANA

Aug 21

PDX9:00 amPortland

24h 55m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

Aug 29

BKK7:00 amBangkok Suvarnabhumi

25h 32m

2 stops

PDX6:32 pmPortland

$1,036

United Airlines flights from Portland to Thailand

Our best United Airlines deals on Portland to Thailand flight tickets

United Airlines

Sep 1

PDX7:15 pmPortland

43h 20m

2 stops

BKK4:35 amBangkok Suvarnabhumi

Sep 15

BKK9:35 amBangkok Suvarnabhumi

24h 46m

2 stops

PDX8:21 pmPortland

$999

United Airlines

Aug 10

PDX7:00 amPortland

31h 35m

2 stops

BKK4:35 amBangkok Suvarnabhumi

Aug 25

BKK7:00 amBangkok Suvarnabhumi

29h 45m

2 stops

PDX10:45 pmPortland

$1,000

United Airlines

Oct 19

PDX5:30 amPortland

28h 25m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

Jan 19

BKK9:10 amBangkok Suvarnabhumi

24h 21m

2 stops

PDX6:31 pmPortland

$1,001

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 11/12

5:40 pm-12:05 pm

2 stops27h 25m

Bangkok Suvarnabhumi

Tue 2/2

8:15 am-2:41 pm

1 stop21h 26m

$948

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 11/12

5:40 pm-12:05 pm

2 stops27h 25m

Bangkok Suvarnabhumi

Tue 2/2

7:10 am-2:41 pm

2 stops22h 31m

$959

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 10/30

2:34 pm-9:50 pm

2 stops41h 16m

Chiang Mai

Tue 11/3

11:05 pm-4:34 pm

2 stops32h 29m

$959

Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 11/25

9:40 am-11:35 pm

2 stops22h 55m

Bangkok Suvarnabhumi

Wed 12/9

8:05 am-12:22 pm

2 stops19h 17m

$965

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 8/12

5:30 pm-12:00 pm

2 stops28h 30m

Bangkok Suvarnabhumi

Thu 8/20

5:30 pm-1:51 pm

2 stops34h 21m

$970

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/1

7:03 am-5:45 am

2 stops32h 42m

Bangkok Suvarnabhumi

Tue 9/15

7:55 am-4:50 pm

2 stops22h 55m

$983

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 9/28

11:48 am-7:45 am

2 stops29h 57m

Phuket City

Mon 10/5

8:30 pm-5:00 pm

2 stops34h 30m

$1,093

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Sun 8/23

5:07 am-7:45 am

2 stops36h 38m

Phuket City

Tue 9/8

8:30 pm-4:50 pm

2 stops34h 20m

$1,097

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Mon 10/19

1:03 pm-11:35 am

2 stops32h 32m

Krabi

Fri 10/23

12:40 pm-6:31 pm

2 stops43h 51m

$2,320

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Mon 10/19

1:03 pm-11:35 am

2 stops32h 32m

Krabi

Fri 10/23

12:40 pm-6:31 pm

2 stops43h 51m

$2,546

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 January is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $99. If you are unable to visit Thailand during the month of January, then departing from Portland during the month April is also very affordable. Most momondo users find prices during this month for around $139.

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 week ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,089 when searching week 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 $968 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 7% 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 55m
Direct flights	None

The fastest flight from Portland to Thailand takes 22h 55m

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 June 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 8,459 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,394 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.9 347 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,555 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,851 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 829 reviews	Search China Airlines flights
United Airlines	PriceFrom $822	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
ANA	PriceFrom $836	Free Cancellation	Rating 8.3 1,254 reviews	Search ANA flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,484 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.