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 37% 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 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 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.

$343 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.

1:36 pm - 4:30 pm

PDX

BKK

35h 54m2 stops

5:40 pm - 11:54 pm

BKK

PDX

20h 14m2 stops

$850Multiple Airlines

Tue, Feb 24 - Thu, Mar 19

7:05 am - 11:40 pm

PDX

BKK

26h 35m2 stops

2:15 am - 8:32 pm

BKK

PDX

32h 17m2 stops

$851Multiple Airlines

Tue, Mar 17 - Mon, Mar 23

5:30 am - 11:55 pm

PDX

BKK

28h 25m2 stops

9:35 am - 12:48 am

BKK

PDX

29h 13m2 stops

$857United Airlines

Thu, May 7 - Wed, May 20

9:50 am - 1:50 am

PDX

BKK

25h 00m2 stops

3:20 am - 6:30 pm

BKK

PDX

30h 10m3 stops

$861Multiple Airlines

Mon, Feb 2 - Sun, Feb 8

5:35 pm - 9:45 am

PDX

BKK

26h 10m2 stops

9:35 am - 8:47 pm

BKK

PDX

25h 12m2 stops

$862United Airlines

Tue, May 5 - Wed, May 20

5:30 am - 4:35 am

PDX

BKK

33h 05m3 stops

9:35 am - 6:44 pm

BKK

PDX

47h 09m2 stops

$863United Airlines

Mon, May 11 - Sun, May 17

7:57 pm - 12:35 pm

PDX

BKK

26h 38m2 stops

1:45 pm - 10:41 pm

BKK

PDX

22h 56m2 stops

$864STARLUX Airlines

Mon, Mar 9 - Thu, Mar 12

5:30 am - 11:55 pm

PDX

BKK

28h 25m3 stops

9:35 am - 6:44 pm

BKK

PDX

47h 09m2 stops

$866United Airlines

Wed, May 6 - Sun, May 17

2:47 pm - 10:25 am

PDX

CNX

28h 38m2 stops

11:25 am - 8:42 am

CNX

PDX

36h 17m2 stops

$938China Airlines

Thu, Feb 26 - Sun, Mar 8

9:48 pm - 5:35 pm

PDX

HKT

52h 47m2 stops

12:20 pm - 11:42 pm

HKT

PDX

25h 22m2 stops

$973Cathay Pacific

Sun, Mar 1 - Mon, Mar 9

United Airlines flights from Portland to Thailand

Our best United Airlines deals on Portland to Thailand flight tickets

United Airlines

May 7

PDX5:30 amPortland

28h 25m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

May 14

BKK9:35 amBangkok Suvarnabhumi

29h 13m

2 stops

PDX12:48 amPortland

$857

United Airlines

May 5

PDX5:35 pmPortland

26h 10m

2 stops

BKK9:45 amBangkok Suvarnabhumi

May 20

BKK9:35 amBangkok Suvarnabhumi

25h 12m

2 stops

PDX8:47 pmPortland

$862

United Airlines

May 11

PDX5:30 amPortland

33h 05m

3 stops

BKK4:35 amBangkok Suvarnabhumi

May 18

BKK9:35 amBangkok Suvarnabhumi

25h 12m

2 stops

PDX8:47 pmPortland

$863

Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Jan 18

PDX7:00 pmPortland

36h 30m

2 stops

BKK10:30 pmBangkok Suvarnabhumi

Feb 5

BKK8:15 amBangkok Suvarnabhumi

25h 15m

1 stop

PDX6:30 pmPortland

$1,091

Air Canada

Jan 18

PDX7:00 pmPortland

36h 30m

2 stops

BKK10:30 pmBangkok Suvarnabhumi

Feb 5

BKK8:15 amBangkok Suvarnabhumi

21h 25m

1 stop

PDX2:40 pmPortland

$1,166

Air Canada

Jan 18

PDX9:50 amPortland

29h 40m

1 stop

BKK6:30 amBangkok Suvarnabhumi

Feb 5

BKK8:15 amBangkok Suvarnabhumi

25h 15m

1 stop

PDX6:30 pmPortland

$1,253

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 2/24

1:36 pm-4:30 pm

2 stops35h 54m

Bangkok Suvarnabhumi

Thu 3/19

5:40 pm-11:54 pm

2 stops20h 14m

$850

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 3/17

7:05 am-11:40 pm

2 stops26h 35m

Bangkok Suvarnabhumi

Mon 3/23

2:15 am-8:32 pm

2 stops32h 17m

$851

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 5/7

5:30 am-11:55 pm

2 stops28h 25m

Bangkok Suvarnabhumi

Wed 5/20

9:35 am-12:48 am

2 stops29h 13m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/2

9:50 am-1:50 am

2 stops25h 00m

Bangkok Suvarnabhumi

Sun 2/8

3:20 am-6:30 pm

3 stops30h 10m

$861

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 5/5

5:35 pm-9:45 am

2 stops26h 10m

Bangkok Suvarnabhumi

Wed 5/20

9:35 am-8:47 pm

2 stops25h 12m

$862

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 5/11

5:30 am-4:35 am

3 stops33h 05m

Bangkok Suvarnabhumi

Sun 5/17

9:35 am-6:44 pm

2 stops47h 09m

$863

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

7:57 pm-12:35 pm

2 stops26h 38m

Bangkok Suvarnabhumi

Thu 3/12

1:45 pm-10:41 pm

2 stops22h 56m

$864

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:30 am-11:55 pm

3 stops28h 25m

Bangkok Suvarnabhumi

Sun 5/17

9:35 am-6:44 pm

2 stops47h 09m

$866

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 2/26

2:47 pm-10:25 am

2 stops28h 38m

Chiang Mai

Sun 3/8

11:25 am-8:42 am

2 stops36h 17m

$938

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

$973

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 $953. 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 $957.

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 $1,088 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 $192	Free Cancellation	Rating 7.9 8,032 reviews	Search Delta flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.1 1,429 reviews	Search Singapore Airlines flights
STARLUX Airlines	PriceFrom $770	Free Cancellation	Rating 8.9 258 reviews	Search STARLUX Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,672 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 798 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,063 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
United Airlines	PriceFrom $817	Free Cancellation	Rating 7.4 9,143 reviews	Search United Airlines flights
Qatar Airways	PriceFrom $864	Free Cancellation	Rating 7.4 3,702 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $915	Free Cancellation	Rating 8.4 1,314 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.