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 39% 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, Etihad Airways, and Emirates 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 April 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.

$530 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.

2:30 pm - 12:20 pm

PDX

BKK

31h 50m

2 stops

8:00 pm - 11:32 am

BKK

PDX

30h 32m

2 stops

$955Singapore Airlines

Mon, Oct 26 - Mon, Nov 9

5:40 pm - 12:20 pm

PDX

BKK

28h 40m

2 stops

6:10 pm - 11:50 am

BKK

PDX

31h 40m

2 stops

$960Singapore Airlines

Sun, Oct 18 - Sat, Oct 31

5:35 pm - 11:00 am

PDX

BKK

27h 25m

2 stops

9:15 pm - 12:22 pm

BKK

PDX

29h 07m

2 stops

$994Multiple Airlines

Tue, Sep 22 - Wed, Oct 21

7:00 am - 1:25 pm

PDX

CNX

40h 25m

2 stops

2:55 pm - 9:55 pm

CNX

PDX

45h 00m

2 stops

$1,004Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

1:59 pm - 6:20 am

PDX

BKK

26h 21m

2 stops

2:30 am - 7:50 pm

BKK

PDX

31h 20m

2 stops

$1,025Multiple Airlines

Tue, Sep 1 - Mon, Sep 7

5:40 pm - 12:20 pm

PDX

BKK

28h 40m

2 stops

1:35 pm - 11:54 pm

BKK

PDX

24h 19m

2 stops

$1,031Multiple Airlines

Wed, Oct 14 - Wed, Oct 28

7:05 am - 6:20 am

PDX

BKK

33h 15m

2 stops

2:30 am - 10:01 pm

BKK

PDX

33h 31m

2 stops

$1,036Qatar Airways

Tue, Sep 8 - Thu, Sep 24

5:35 pm - 10:20 am

PDX

CNX

26h 45m

2 stops

11:20 am - 8:18 am

CNX

PDX

34h 58m

2 stops

$1,151China Airlines

Mon, Sep 14 - Sat, Sep 26

12:03 pm - 7:45 am

PDX

HKT

29h 42m

2 stops

9:20 am - 4:49 pm

HKT

PDX

45h 29m

2 stops

$1,298Qatar Airways

Tue, Jun 23 - Mon, Aug 24

1:03 pm - 11:10 am

PDX

DMK

32h 07m

2 stops

10:55 pm - 6:31 pm

DMK

PDX

34h 36m

2 stops

$1,788Emirates

Tue, Oct 20 - Mon, Nov 2

ANA flights from Portland to Thailand

Our best ANA deals on Portland to Thailand flight tickets

ANA

Jul 20

PDX8:35 amPortland

25h 20m

2 stops

BKK11:55 pmBangkok Suvarnabhumi

Jul 29

BKK9:35 amBangkok Suvarnabhumi

25h 19m

2 stops

PDX8:54 pmPortland

$1,217

ANA

Jul 21

PDX10:10 amPortland

28h 25m

2 stops

BKK4:35 amBangkok Suvarnabhumi

Jul 29

BKK7:00 amBangkok Suvarnabhumi

26h 11m

2 stops

PDX7:11 pmPortland

$1,239

ANA

Jul 22

PDX10:10 amPortland

29h 45m

2 stops

BKK5:55 amBangkok Suvarnabhumi

Jul 29

BKK7:00 amBangkok Suvarnabhumi

26h 11m

2 stops

PDX7:11 pmPortland

$1,240

United Airlines flights from Portland to Thailand

Our best United Airlines deals on Portland to Thailand flight tickets

United Airlines

May 3

PDX1:41 pmPortland

48h 54m

2 stops

BKK4:35 amBangkok Suvarnabhumi

May 18

BKK3:45 pmBangkok Suvarnabhumi

43h 13m

3 stops

PDX8:58 pmPortland

$1,224

United Airlines

May 4

PDX5:30 amPortland

33h 05m

3 stops

BKK4:35 amBangkok Suvarnabhumi

May 11

BKK3:45 pmBangkok Suvarnabhumi

43h 13m

3 stops

PDX8:58 pmPortland

$1,225

United Airlines

May 6

PDX1:37 pmPortland

29h 58m

3 stops

BKK9:35 amBangkok Suvarnabhumi

May 18

BKK3:45 pmBangkok Suvarnabhumi

22h 48m

2 stops

PDX12:33 amPortland

$1,229

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 10/26

2:30 pm-12:20 pm

2 stops31h 50m

Bangkok Suvarnabhumi

Mon 11/9

8:00 pm-11:32 am

2 stops30h 32m

$955

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 10/18

5:40 pm-12:20 pm

2 stops28h 40m

Bangkok Suvarnabhumi

Sat 10/31

6:10 pm-11:50 am

2 stops31h 40m

$960

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Wed 10/21

9:15 pm-12:22 pm

2 stops29h 07m

$994

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 9/1

7:00 am-1:25 pm

2 stops40h 25m

Chiang Mai

Tue 9/15

2:55 pm-9:55 pm

2 stops45h 00m

$1,004

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/1

1:59 pm-6:20 am

2 stops26h 21m

Bangkok Suvarnabhumi

Mon 9/7

2:30 am-7:50 pm

2 stops31h 20m

$1,025

Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 10/14

5:40 pm-12:20 pm

2 stops28h 40m

Bangkok Suvarnabhumi

Wed 10/28

1:35 pm-11:54 pm

2 stops24h 19m

$1,031

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/8

7:05 am-6:20 am

2 stops33h 15m

Bangkok Suvarnabhumi

Thu 9/24

2:30 am-10:01 pm

2 stops33h 31m

$1,036

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 9/14

5:35 pm-10:20 am

2 stops26h 45m

Chiang Mai

Sat 9/26

11:20 am-8:18 am

2 stops34h 58m

$1,151

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 6/23

12:03 pm-7:45 am

2 stops29h 42m

Phuket City

Mon 8/24

9:20 am-4:49 pm

2 stops45h 29m

$1,298

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Tue 10/20

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Mon 11/2

10:55 pm-6:31 pm

2 stops34h 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 $1,059 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 $961 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	23h 55m
Direct flights	None

The fastest flight from Portland to Thailand takes 23h 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 April 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 8,465 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,308 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.9 304 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,505 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,797 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 819 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,200 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,216 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,681 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,435 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.