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 37% 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?

Philippine Airlines, United Airlines, and Air India 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 March 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.

$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.

2:47 pm - 12:35 pm

PDX

BKK

31h 48m

2 stops

1:10 pm - 9:38 am

BKK

PDX

34h 28m

2 stops

$838Multiple Airlines

Tue, Mar 17 - Thu, May 7

5:49 pm - 12:00 pm

PDX

BKK

28h 11m

2 stops

1:10 pm - 7:34 pm

BKK

PDX

20h 24m

2 stops

$842STARLUX Airlines

Mon, Apr 13 - Fri, Apr 24

1:52 pm - 12:00 pm

PDX

BKK

32h 08m

2 stops

1:10 pm - 7:34 pm

BKK

PDX

20h 24m

2 stops

$843Multiple Airlines

Sun, Apr 26 - Thu, Apr 30

5:30 pm - 4:40 pm

PDX

BKK

33h 10m

2 stops

1:10 pm - 9:28 pm

BKK

PDX

22h 18m

2 stops

$844STARLUX Airlines

Wed, May 6 - Wed, May 20

5:49 pm - 10:20 am

PDX

CNX

26h 31m

2 stops

11:20 am - 9:30 am

CNX

PDX

36h 10m

2 stops

$898China Airlines

Mon, Apr 20 - Mon, May 4

5:49 pm - 5:20 pm

PDX

HKT

33h 31m

2 stops

6:20 pm - 4:49 pm

HKT

PDX

36h 29m

2 stops

$917Cathay Pacific

Mon, Apr 13 - Wed, Apr 22

10:30 am - 10:50 am

PDX

HKT

58h 20m

2 stops

11:50 am - 4:49 pm

HKT

PDX

42h 59m

2 stops

$929Cathay Pacific

Tue, Apr 14 - Tue, Apr 21

2:37 pm - 10:50 am

PDX

HKT

30h 13m

2 stops

8:10 pm - 12:52 pm

HKT

PDX

30h 42m

2 stops

$936Singapore Airlines

Mon, Apr 20 - Mon, Apr 27

5:49 pm - 10:50 am

PDX

HKT

27h 01m

2 stops

8:10 pm - 4:50 pm

HKT

PDX

34h 40m

2 stops

$991Singapore Airlines

Fri, May 1 - Thu, May 14

11:05 am - 7:35 pm

PDX

KBV

42h 30m

2 stops

10:45 pm - 6:07 pm

KBV

PDX

33h 22m

2 stops

$2,978Emirates

Sun, Apr 19 - Tue, Apr 28

EVA Air flights from Portland to Thailand

Our best EVA Air deals on Portland to Thailand flight tickets

EVA Air

Apr 1

PDX7:05 amPortland

28h 15m

2 stops

BKK1:20 amBangkok Suvarnabhumi

Apr 19

BKK4:45 pmBangkok Suvarnabhumi

35h 05m

2 stops

PDX1:50 pmPortland

$875

EVA Air

Mar 31

PDX7:05 amPortland

26h 25m

2 stops

BKK11:30 pmBangkok Suvarnabhumi

Apr 29

BKK1:35 amBangkok Suvarnabhumi

25h 51m

2 stops

PDX1:26 pmPortland

$893

STARLUX Airlines flights from Portland to Thailand

Our best STARLUX Airlines deals on Portland to Thailand flight tickets

STARLUX Airlines

Mar 2

PDX3:52 pmPortland

29h 43m

2 stops

BKK12:35 pmBangkok Suvarnabhumi

Apr 30

BKK5:50 pmBangkok Suvarnabhumi

29h 48m

2 stops

PDX9:38 amPortland

$838

STARLUX Airlines

Apr 13

PDX5:49 pmPortland

28h 11m

2 stops

BKK12:00 pmBangkok Suvarnabhumi

Apr 24

BKK1:10 pmBangkok Suvarnabhumi

20h 24m

2 stops

PDX7:34 pmPortland

$842

STARLUX Airlines

May 6

PDX5:30 pmPortland

33h 10m

2 stops

BKK4:40 pmBangkok Suvarnabhumi

May 20

BKK1:10 pmBangkok Suvarnabhumi

22h 18m

2 stops

PDX9:28 pmPortland

$844

Fly from

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 3/17

2:47 pm-12:35 pm

2 stops31h 48m

Bangkok Suvarnabhumi

Thu 5/7

1:10 pm-9:38 am

2 stops34h 28m

$838

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/13

5:49 pm-12:00 pm

2 stops28h 11m

Bangkok Suvarnabhumi

Fri 4/24

1:10 pm-7:34 pm

2 stops20h 24m

$842

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 4/26

1:52 pm-12:00 pm

2 stops32h 08m

Bangkok Suvarnabhumi

Thu 4/30

1:10 pm-7:34 pm

2 stops20h 24m

$843

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/6

5:30 pm-4:40 pm

2 stops33h 10m

Bangkok Suvarnabhumi

Wed 5/20

1:10 pm-9:28 pm

2 stops22h 18m

$844

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 4/20

5:49 pm-10:20 am

2 stops26h 31m

Chiang Mai

Mon 5/4

11:20 am-9:30 am

2 stops36h 10m

$898

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 4/13

5:49 pm-5:20 pm

2 stops33h 31m

Phuket City

Wed 4/22

6:20 pm-4:49 pm

2 stops36h 29m

$917

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 4/14

10:30 am-10:50 am

2 stops58h 20m

Phuket City

Tue 4/21

11:50 am-4:49 pm

2 stops42h 59m

$929

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 4/20

2:37 pm-10:50 am

2 stops30h 13m

Phuket City

Mon 4/27

8:10 pm-12:52 pm

2 stops30h 42m

$936

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Fri 5/1

5:49 pm-10:50 am

2 stops27h 01m

Phuket City

Thu 5/14

8:10 pm-4:50 pm

2 stops34h 40m

$991

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Sun 4/19

11:05 am-7:35 pm

2 stops42h 30m

Krabi

Tue 4/28

10:45 pm-6:07 pm

2 stops33h 22m

$2,978

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 $927. If you are unable to visit Thailand during the month of September, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around $945.

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 $1,070 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 $932 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 16% 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 41m
Direct flights	None

The fastest flight from Portland to Thailand takes 23h 41m

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 March 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 8,238 reviews	Search Delta flights
Cathay Pacific	PriceFrom $669	Free Cancellation	Rating 7.6 1,182 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $757	Free Cancellation	Rating 8.9 275 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,465 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,721 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 809 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,107 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,195 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,375 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.4 1,362 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.