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 40% 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?

United Airlines, STARLUX Airlines, and Qatar Airways 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 May 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.

$468 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.

7:00 am - 2:20 pm

PDX

CNX

40h 20m

2 stops

3:35 pm - 1:50 pm

CNX

PDX

37h 15m

2 stops

$897Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

2:50 pm - 8:05 am

PDX

BKK

27h 15m

2 stops

9:15 pm - 1:39 pm

BKK

PDX

30h 24m

2 stops

$914Singapore Airlines

Sun, Sep 6 - Wed, Sep 30

5:05 am - 8:00 pm

PDX

BKK

24h 55m

2 stops

9:10 pm - 12:48 pm

BKK

PDX

30h 38m

2 stops

$926Singapore Airlines

Thu, Sep 17 - Thu, Nov 12

6:00 pm - 2:35 pm

PDX

BKK

29h 35m

2 stops

9:10 pm - 12:48 pm

BKK

PDX

30h 38m

2 stops

$933Singapore Airlines

Mon, Nov 2 - Wed, Nov 11

5:35 pm - 11:00 am

PDX

BKK

27h 25m

2 stops

8:15 pm - 1:27 pm

BKK

PDX

31h 12m

2 stops

$934Singapore Airlines

Tue, Sep 22 - Wed, Oct 21

9:30 pm - 2:20 pm

PDX

CNX

49h 50m

2 stops

3:35 pm - 4:27 pm

CNX

PDX

39h 52m

2 stops

$966Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

6:19 am - 6:50 pm

PDX

HKT

46h 31m

2 stops

9:20 am - 4:55 pm

HKT

PDX

45h 35m

2 stops

$1,135Qatar Airways

Sun, Aug 2 - Mon, Aug 10

1:59 pm - 4:50 pm

PDX

UTP

36h 51m

3 stops

1:00 pm - 7:50 pm

UTP

PDX

44h 50m

3 stops

$1,399Qatar Airways

Sun, Sep 6 - Sun, Sep 13

1:03 pm - 8:45 pm

PDX

DMK

41h 42m

2 stops

10:55 pm - 6:31 pm

DMK

PDX

33h 36m

2 stops

$1,741Emirates

Wed, Sep 30 - Fri, Oct 30

1:03 pm - 11:10 am

PDX

DMK

32h 07m

2 stops

10:55 pm - 6:31 pm

DMK

PDX

33h 36m

2 stops

$1,788Emirates

Tue, Sep 29 - Mon, Oct 26

United Airlines flights from Portland to Thailand

Our best United Airlines deals on Portland to Thailand flight tickets

United Airlines

May 12

PDX5:30 amPortland

33h 05m

3 stops

BKK4:35 amBangkok Suvarnabhumi

Jun 8

BKK9:35 amBangkok Suvarnabhumi

51h 14m

2 stops

PDX10:49 pmPortland

$1,476

United Airlines

May 12

PDX5:30 amPortland

28h 25m

3 stops

BKK11:55 pmBangkok Suvarnabhumi

Jun 8

BKK9:35 amBangkok Suvarnabhumi

45h 12m

2 stops

PDX4:47 pmPortland

$1,478

United Airlines

May 12

PDX7:15 amPortland

36h 20m

3 stops

BKK9:35 amBangkok Suvarnabhumi

May 19

BKK9:35 amBangkok Suvarnabhumi

44h 58m

2 stops

PDX4:33 pmPortland

$1,479

Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

May 14

PDX10:10 amPortland

21h 35m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

May 29

BKK7:05 amBangkok Suvarnabhumi

26h 05m

1 stop

PDX7:10 pmPortland

$1,259

Air Canada

May 14

PDX10:10 amPortland

21h 35m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

May 28

BKK1:20 amBangkok Suvarnabhumi

27h 25m

2 stops

PDX2:45 pmPortland

$1,266

Air Canada

May 12

PDX10:10 amPortland

21h 35m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

Jun 8

BKK7:05 amBangkok Suvarnabhumi

21h 40m

1 stop

PDX2:45 pmPortland

$1,292

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 11/4

7:00 am-2:20 pm

2 stops40h 20m

Chiang Mai

Wed 11/11

3:35 pm-1:50 pm

2 stops37h 15m

$897

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 9/6

2:50 pm-8:05 am

2 stops27h 15m

Bangkok Suvarnabhumi

Wed 9/30

9:15 pm-1:39 pm

2 stops30h 24m

$914

Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 9/17

5:05 am-8:00 pm

2 stops24h 55m

Bangkok Suvarnabhumi

Thu 11/12

9:10 pm-12:48 pm

2 stops30h 38m

$926

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/2

6:00 pm-2:35 pm

2 stops29h 35m

Bangkok Suvarnabhumi

Wed 11/11

9:10 pm-12:48 pm

2 stops30h 38m

$933

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Wed 10/21

8:15 pm-1:27 pm

2 stops31h 12m

$934

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 11/3

9:30 pm-2:20 pm

2 stops49h 50m

Chiang Mai

Tue 11/10

3:35 pm-4:27 pm

2 stops39h 52m

$966

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Sun 8/2

6:19 am-6:50 pm

2 stops46h 31m

Phuket City

Mon 8/10

9:20 am-4:55 pm

2 stops45h 35m

$1,135

PortlandRayong

PDX - UTP

PDXUTP

Portland

Sun 9/6

1:59 pm-4:50 pm

3 stops36h 51m

Utapao Rayong Pattaya

Sun 9/13

1:00 pm-7:50 pm

3 stops44h 50m

$1,399

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/30

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Fri 10/30

10:55 pm-6:31 pm

2 stops33h 36m

$1,741

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Tue 9/29

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Mon 10/26

10:55 pm-6:31 pm

2 stops33h 36m

$1,788

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 weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,046 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 $908 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 22% 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	21h 50m
Direct flights	None

The fastest flight from Portland to Thailand takes 21h 50m

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 May 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 7.9 8,454 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,324 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.9 313 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,510 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,814 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 824 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.3 1,207 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,445 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.