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 53% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 13 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?

Japan Airlines, STARLUX Airlines, and Philippine 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 October 2025, there are 13 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.

$352 Cheap Flights from Portland to Thailand in 2025/26

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Find the cheapest flights from Portland to Thailand

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:25 pmPDX-HKT

23h 25m2 stops

8:15 pm - 1:19 pmHKT-PDX

31h 04m2 stops

$810Singapore Airlines

Find Deal

Tue, Mar 10 - Tue, Mar 17

5:44 pm - 12:35 pmPDX-BKK

27h 51m2 stops

1:45 pm - 7:02 pmBKK-PDX

20h 17m2 stops

$822Multiple Airlines

Find Deal

Sun, Nov 23 - Sat, Dec 6

5:30 pm - 12:35 pmPDX-BKK

28h 05m2 stops

1:45 pm - 9:20 pmBKK-PDX

22h 35m2 stops

$823STARLUX Airlines

Find Deal

Tue, Nov 18 - Sat, Dec 6

5:30 pm - 4:30 pmPDX-BKK

32h 00m2 stops

5:40 pm - 10:27 pmBKK-PDX

43h 47m2 stops

$825STARLUX Airlines

Find Deal

Mon, Nov 17 - Mon, Dec 1

6:00 am - 11:25 amPDX-BKK

38h 25m3 stops

9:10 am - 10:51 pmBKK-PDX

52h 41m2 stops

$845United Airlines

Find Deal

Wed, Nov 12 - Sun, Nov 30

7:30 am - 12:20 amPDX-BKK

25h 50m2 stops

9:10 am - 10:51 pmBKK-PDX

52h 41m2 stops

$848United Airlines

Find Deal

Sun, Nov 9 - Sun, Nov 30

5:10 pm - 10:55 pmPDX-CNX

38h 45m2 stops

12:15 am - 7:29 pmCNX-PDX

34h 14m2 stops

$933Korean Air

Find Deal

Wed, Jan 14 - Mon, Feb 23

9:17 am - 10:55 pmPDX-CNX

23h 38m2 stops

12:15 am - 1:18 pmCNX-PDX

28h 03m2 stops

$1,013Korean Air

Find Deal

Mon, Oct 27 - Tue, Nov 18

3:15 pm - 11:05 amPDX-CNX

28h 50m2 stops

4:45 pm - 9:15 amCNX-PDX

31h 30m2 stops

$1,148Air Canada

Find Deal

Tue, Jan 13 - Mon, Feb 23

9:50 am - 11:05 amPDX-CNX

34h 15m2 stops

4:45 pm - 6:30 pmCNX-PDX

40h 45m2 stops

$1,158Air Canada

Find Deal

Tue, Jan 13 - Wed, Feb 25

STARLUX Airlines flights from Portland to Thailand

Our best STARLUX Airlines deals on Portland to Thailand flight tickets

STARLUX Airlines

Nov 18

PDX5:30 pmPortland

28h 05m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Dec 6

BKK1:45 pmBangkok Suvarnabhumi

22h 35m

2 stops

PDX9:20 pmPortland

$823

Find similar

STARLUX Airlines

Nov 17

PDX5:30 pmPortland

32h 00m

2 stops

BKK4:30 pmBangkok Suvarnabhumi

Dec 1

BKK5:40 pmBangkok Suvarnabhumi

43h 47m

2 stops

PDX10:27 pmPortland

$825

Find similar

STARLUX Airlines

Nov 17

PDX5:30 pmPortland

28h 05m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Dec 4

BKK1:45 pmBangkok Suvarnabhumi

22h 35m

2 stops

PDX9:20 pmPortland

$828

Find similar

China Airlines flights from Portland to Thailand

Our best China Airlines deals on Portland to Thailand flight tickets

China Airlines

Nov 2

PDX10:30 amPortland

35h 35m

2 stops

BKK1:05 pmBangkok Suvarnabhumi

Nov 15

BKK2:35 amBangkok Suvarnabhumi

46h 05m

2 stops

PDX9:40 amPortland

$843

Find similar

China Airlines

Nov 1

PDX9:30 pmPortland

49h 35m

2 stops

BKK1:05 pmBangkok Suvarnabhumi

Nov 11

BKK2:35 amBangkok Suvarnabhumi

33h 15m

2 stops

PDX8:50 pmPortland

$850

Find similar

China Airlines

Nov 4

PDX5:55 pmPortland

40h 40m

2 stops

BKK1:35 amBangkok Suvarnabhumi

Nov 17

BKK2:35 amBangkok Suvarnabhumi

46h 05m

2 stops

PDX9:40 amPortland

$851

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 3/10

6:00 am-7:25 pm

2 stops23h 25m

Phuket City

Tue 3/17

8:15 pm-1:19 pm

2 stops31h 04m

$810

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 11/23

5:44 pm-12:35 pm

2 stops27h 51m

Bangkok Suvarnabhumi

Sat 12/6

1:45 pm-7:02 pm

2 stops20h 17m

$822

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/18

5:30 pm-12:35 pm

2 stops28h 05m

Bangkok Suvarnabhumi

Sat 12/6

1:45 pm-9:20 pm

2 stops22h 35m

$823

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/17

5:30 pm-4:30 pm

2 stops32h 00m

Bangkok Suvarnabhumi

Mon 12/1

5:40 pm-10:27 pm

2 stops43h 47m

$825

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 11/12

6:00 am-11:25 am

3 stops38h 25m

Bangkok Suvarnabhumi

Sun 11/30

9:10 am-10:51 pm

2 stops52h 41m

$845

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 11/9

7:30 am-12:20 am

2 stops25h 50m

Bangkok Suvarnabhumi

Sun 11/30

9:10 am-10:51 pm

2 stops52h 41m

$848

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 1/14

5:10 pm-10:55 pm

2 stops38h 45m

Chiang Mai

Mon 2/23

12:15 am-7:29 pm

2 stops34h 14m

$933

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 10/27

9:17 am-10:55 pm

2 stops23h 38m

Chiang Mai

Tue 11/18

12:15 am-1:18 pm

2 stops28h 03m

$1,013

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 1/13

3:15 pm-11:05 am

2 stops28h 50m

Chiang Mai

Mon 2/23

4:45 pm-9:15 am

2 stops31h 30m

$1,148

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 1/13

9:50 am-11:05 am

2 stops34h 15m

Chiang Mai

Wed 2/25

4:45 pm-6:30 pm

2 stops40h 45m

$1,158

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 September is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $949. If you are unable to visit Thailand during the month of September, then departing from Portland during the month October is also very affordable. Most momondo users find prices during this month for around $957.

What is the cheapest day to depart on your flight to Thailand?

The cheapest day to depart on your flight to Thailand is on a Monday when prices can be found for as low as $1,127. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,440.

What is the cheapest time of day to depart on your flight to Thailand?

Flying to Thailand from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,137 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Thailand is at noon when prices are around $1,989.

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 $1,096 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 $934 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

Direct flights	None

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 October 2025, there are 13 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 $227	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
China Eastern	PriceFrom $750	Free Cancellation	Rating 7.2 168 reviews	Search China Eastern flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,578 reviews	Search Japan Airlines flights
ANA	PriceFrom $793	Free Cancellation	Rating 8.4 984 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,149 reviews	Search Korean Air flights
STARLUX Airlines	PriceFrom $798	Free Cancellation	Rating 8.9 219 reviews	Search STARLUX Airlines flights
United Airlines	PriceFrom $817	Free Cancellation	Rating 7.4 8,974 reviews	Search United Airlines flights
Singapore Airlines	PriceFrom $820	Free Cancellation	Rating 8.1 1,379 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $837	Free Cancellation	Rating 8.3 768 reviews	Search China Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,647 reviews	Search Qatar Airways 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.