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 38% 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 and Etihad 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 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.

$443 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.

9:29 pm - 9:45 am

PDX

BKK

22h 16m

2 stops

5:30 pm - 12:10 am

BKK

PDX

20h 40m

2 stops

$850Multiple Airlines

Sun, Sep 13 - Tue, Oct 20

5:35 pm - 11:00 am

PDX

BKK

27h 25m

2 stops

6:30 pm - 1:50 pm

BKK

PDX

33h 20m

2 stops

$851Singapore Airlines

Tue, Sep 22 - Wed, Oct 21

2:33 pm - 12:10 pm

PDX

BKK

31h 37m

2 stops

5:30 pm - 11:04 pm

BKK

PDX

19h 34m

2 stops

$855Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

5:35 pm - 9:45 am

PDX

BKK

26h 10m

2 stops

1:20 pm - 9:25 am

BKK

PDX

34h 05m

2 stops

$863Multiple Airlines

Tue, Sep 15 - Thu, Oct 15

7:50 pm - 10:20 am

PDX

CNX

24h 30m

2 stops

11:20 am - 9:25 am

CNX

PDX

36h 05m

2 stops

$949China Airlines

Fri, Sep 11 - Sun, Sep 20

9:30 pm - 10:25 am

PDX

CNX

22h 55m

2 stops

11:35 am - 4:22 pm

CNX

PDX

42h 47m

2 stops

$1,055EVA Air

Sat, Apr 25 - Sun, May 10

8:34 am - 7:45 am

PDX

HKT

33h 11m

2 stops

8:30 pm - 10:44 pm

HKT

PDX

40h 14m

2 stops

$1,085Qatar Airways

Mon, Aug 31 - Fri, Oct 2

5:07 am - 7:45 am

PDX

HKT

36h 38m

2 stops

8:30 pm - 12:10 am

HKT

PDX

41h 40m

2 stops

$1,125Qatar Airways

Mon, Aug 31 - Sat, Oct 3

7:30 pm - 12:00 pm

PDX

KBV

50h 30m

2 stops

1:00 pm - 5:40 pm

KBV

PDX

66h 40m

2 stops

$2,777Malaysia Airlines

Thu, Sep 10 - Mon, Sep 14

7:30 pm - 12:00 pm

PDX

KBV

50h 30m

2 stops

1:00 pm - 5:40 pm

KBV

PDX

66h 40m

2 stops

$2,903Malaysia Airlines

Thu, Sep 10 - Mon, Sep 14

Singapore Airlines flights from Portland to Thailand

Our best Singapore Airlines deals on Portland to Thailand flight tickets

Singapore Airlines

Sep 22

PDX5:35 pmPortland

27h 25m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Oct 21

BKK6:30 pmBangkok Suvarnabhumi

33h 20m

2 stops

PDX1:50 pmPortland

$851

Singapore Airlines

Sep 22

PDX5:35 pmPortland

27h 25m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Sep 27

BKK1:35 pmBangkok Suvarnabhumi

33h 50m

2 stops

PDX9:25 amPortland

$870

Singapore Airlines

Sep 22

PDX5:35 pmPortland

27h 25m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Sep 27

BKK1:35 pmBangkok Suvarnabhumi

33h 50m

2 stops

PDX9:25 amPortland

$874

China Airlines flights from Portland to Thailand

Our best China Airlines deals on Portland to Thailand flight tickets

China Airlines

Sep 22

PDX7:50 pmPortland

30h 30m

2 stops

BKK4:20 pmBangkok Suvarnabhumi

Sep 27

BKK1:20 pmBangkok Suvarnabhumi

34h 05m

2 stops

PDX9:25 amPortland

$908

China Airlines

May 5

PDX2:50 pmPortland

35h 30m

2 stops

BKK4:20 pmBangkok Suvarnabhumi

May 26

BKK10:50 amBangkok Suvarnabhumi

36h 39m

2 stops

PDX9:29 amPortland

$914

China Airlines

Aug 27

PDX7:50 pmPortland

23h 55m

2 stops

BKK9:45 amBangkok Suvarnabhumi

Sep 10

BKK5:30 pmBangkok Suvarnabhumi

28h 43m

2 stops

PDX8:13 amPortland

$926

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 9/13

9:29 pm-9:45 am

2 stops22h 16m

Bangkok Suvarnabhumi

Tue 10/20

5:30 pm-12:10 am

2 stops20h 40m

$850

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Wed 10/21

6:30 pm-1:50 pm

2 stops33h 20m

$851

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/1

2:33 pm-12:10 pm

2 stops31h 37m

Bangkok Suvarnabhumi

Tue 9/8

5:30 pm-11:04 pm

2 stops19h 34m

$855

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/15

5:35 pm-9:45 am

2 stops26h 10m

Bangkok Suvarnabhumi

Thu 10/15

1:20 pm-9:25 am

2 stops34h 05m

$863

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 9/11

7:50 pm-10:20 am

2 stops24h 30m

Chiang Mai

Sun 9/20

11:20 am-9:25 am

2 stops36h 05m

$949

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 4/25

9:30 pm-10:25 am

2 stops22h 55m

Chiang Mai

Sun 5/10

11:35 am-4:22 pm

2 stops42h 47m

$1,055

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 8/31

8:34 am-7:45 am

2 stops33h 11m

Phuket City

Fri 10/2

8:30 pm-10:44 pm

2 stops40h 14m

$1,085

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 8/31

5:07 am-7:45 am

2 stops36h 38m

Phuket City

Sat 10/3

8:30 pm-12:10 am

2 stops41h 40m

$1,125

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Thu 9/10

7:30 pm-12:00 pm

2 stops50h 30m

Krabi

Mon 9/14

1:00 pm-5:40 pm

2 stops66h 40m

$2,777

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Thu 9/10

7:30 pm-12:00 pm

2 stops50h 30m

Krabi

Mon 9/14

1:00 pm-5:40 pm

2 stops66h 40m

$2,903

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 $909. If you are unable to visit Thailand during the month of September, then departing from Portland during the month March is also very affordable. Most momondo users find prices during this month for around $927.

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 $1,061 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 $929 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 04m
Direct flights	None

The fastest flight from Portland to Thailand takes 23h 04m

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 8,375 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,239 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $757	Free Cancellation	Rating 8.9 295 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,488 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,765 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 815 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,163 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,542 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,400 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.