What airlines fly to Thailand?

Air Canada, STARLUX Airlines and Korean Air 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 39% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 12 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 and Cathay Pacific 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 January 2026, there are 12 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.

$344 Cheap Flights from Portland to Thailand in 2026

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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.

5:00 am - 7:15 pm

PDX

HKT

24h 15m

2 stops

8:10 pm - 4:50 pm

HKT

PDX

34h 40m

2 stops

$864Singapore Airlines

Tue, May 26 - Wed, Jun 3

5:30 am - 12:20 am

PDX

BKK

28h 50m

2 stops

4:55 pm - 11:04 pm

BKK

PDX

20h 09m

2 stops

$887United Airlines

Mon, Mar 9 - Thu, Mar 12

7:30 am - 11:25 am

PDX

BKK

36h 55m

2 stops

4:55 pm - 6:47 pm

BKK

PDX

39h 52m

2 stops

$888United Airlines

Thu, Feb 19 - Wed, Mar 11

7:05 am - 11:40 pm

PDX

BKK

25h 35m

2 stops

3:10 pm - 11:54 pm

BKK

PDX

22h 44m

2 stops

$889EVA Air

Thu, Mar 5 - Thu, Apr 9

7:20 am - 11:40 pm

PDX

BKK

25h 20m

2 stops

2:15 am - 1:37 pm

BKK

PDX

26h 22m

2 stops

$890EVA Air

Mon, Feb 9 - Tue, Feb 24

5:49 pm - 12:00 pm

PDX

BKK

28h 11m

2 stops

7:05 am - 2:45 pm

BKK

PDX

21h 40m

1 stop

$897Multiple Airlines

Wed, May 6 - Mon, May 18

7:15 am - 5:05 am

PDX

BKK

31h 50m

2 stops

7:05 am - 7:05 pm

BKK

PDX

26h 00m

1 stop

$899ANA

Wed, Apr 22 - Mon, Jun 1

5:51 pm - 11:40 pm

PDX

BKK

38h 49m

2 stops

2:15 am - 10:56 am

BKK

PDX

23h 41m

2 stops

$907Multiple Airlines

Sun, Feb 8 - Tue, Feb 24

9:48 pm - 5:35 pm

PDX

HKT

52h 47m

2 stops

12:20 pm - 11:42 pm

HKT

PDX

25h 22m

2 stops

$987Cathay Pacific

Sun, Mar 1 - Mon, Mar 9

10:48 am - 11:20 am

PDX

HKT

33h 32m

2 stops

12:20 pm - 9:42 am

HKT

PDX

35h 22m

2 stops

$1,004Cathay Pacific

Tue, Mar 3 - Sun, Mar 15

Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Apr 13

PDX3:15 pmPortland

23h 50m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Apr 27

BKK7:05 amBangkok Suvarnabhumi

25h 25m

1 stop

PDX6:30 pmPortland

$932

Air Canada

Apr 22

PDX9:50 amPortland

29h 15m

1 stop

BKK5:05 amBangkok Suvarnabhumi

May 11

BKK7:05 amBangkok Suvarnabhumi

26h 00m

1 stop

PDX7:05 pmPortland

$933

Air Canada

Apr 21

PDX11:59 pmPortland

39h 06m

2 stops

BKK5:05 amBangkok Suvarnabhumi

May 18

BKK7:05 amBangkok Suvarnabhumi

21h 40m

1 stop

PDX2:45 pmPortland

$937

STARLUX Airlines flights from Portland to Thailand

Our best STARLUX Airlines deals on Portland to Thailand flight tickets

STARLUX Airlines

Mar 1

PDX3:52 pmPortland

33h 38m

2 stops

BKK4:30 pmBangkok Suvarnabhumi

Mar 31

BKK5:50 pmBangkok Suvarnabhumi

41h 48m

2 stops

PDX9:38 pmPortland

$921

STARLUX Airlines

Apr 25

PDX7:18 pmPortland

26h 42m

2 stops

BKK12:00 pmBangkok Suvarnabhumi

May 2

BKK1:10 pmBangkok Suvarnabhumi

23h 43m

2 stops

PDX10:53 pmPortland

$944

STARLUX Airlines

Mar 30

PDX5:45 pmPortland

28h 15m

2 stops

BKK12:00 pmBangkok Suvarnabhumi

Apr 3

BKK1:10 pmBangkok Suvarnabhumi

22h 28m

2 stops

PDX9:38 pmPortland

$945

Fly from

Fly to

Route

Depart

Return

Price

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 5/26

5:00 am-7:15 pm

2 stops24h 15m

Phuket City

Wed 6/3

8:10 pm-4:50 pm

2 stops34h 40m

$864

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

5:30 am-12:20 am

2 stops28h 50m

Bangkok Suvarnabhumi

Thu 3/12

4:55 pm-11:04 pm

2 stops20h 09m

$887

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 2/19

7:30 am-11:25 am

2 stops36h 55m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-6:47 pm

2 stops39h 52m

$888

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 3/5

7:05 am-11:40 pm

2 stops25h 35m

Bangkok Suvarnabhumi

Thu 4/9

3:10 pm-11:54 pm

2 stops22h 44m

$889

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/9

7:20 am-11:40 pm

2 stops25h 20m

Bangkok Suvarnabhumi

Tue 2/24

2:15 am-1:37 pm

2 stops26h 22m

$890

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:49 pm-12:00 pm

2 stops28h 11m

Bangkok Suvarnabhumi

Mon 5/18

7:05 am-2:45 pm

1 stop21h 40m

$897

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/22

7:15 am-5:05 am

2 stops31h 50m

Bangkok Suvarnabhumi

Mon 6/1

7:05 am-7:05 pm

1 stop26h 00m

$899

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/8

5:51 pm-11:40 pm

2 stops38h 49m

Bangkok Suvarnabhumi

Tue 2/24

2:15 am-10:56 am

2 stops23h 41m

$907

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Sun 3/1

9:48 pm-5:35 pm

2 stops52h 47m

Phuket City

Mon 3/9

12:20 pm-11:42 pm

2 stops25h 22m

$987

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 3/3

10:48 am-11:20 am

2 stops33h 32m

Phuket City

Sun 3/15

12:20 pm-9:42 am

2 stops35h 22m

$1,004

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 August is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $947. If you are unable to visit Thailand during the month of August, then departing from Portland during the month October is also very affordable. Most momondo users find prices during this month for around $958.

How far in advance should I book a flight 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 $1,090 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 $931 on momondo.

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	21h 15m
Direct flights	None

The fastest flight from Portland to Thailand takes 21h 15m

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

Search flight deals

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 January 2026, there are 12 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 7.9 8,127 reviews	Search Delta flights
STARLUX Airlines	PriceFrom $757	Free Cancellation	Rating 8.9 268 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,440 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,691 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 802 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,727 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.4 1,334 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.