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 48% 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?

Air Canada and United 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 July 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.

$433 Cheap Flights from Portland to Thailand in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:01 am - 10:25 pm

PDX

BKK

24h 24m

2 stops

5:05 am - 1:50 pm

BKK

PDX

23h 45m

2 stops

$940Multiple Airlines

Thu, Nov 5 - Mon, Nov 16

8:18 pm - 12:00 pm

PDX

BKK

25h 42m

2 stops

5:50 pm - 9:31 am

BKK

PDX

29h 41m

2 stops

$963STARLUX Airlines

Fri, Oct 2 - Sun, Oct 18

6:40 am - 2:20 pm

PDX

CNX

41h 40m

2 stops

3:35 pm - 10:45 pm

CNX

PDX

46h 10m

2 stops

$970Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

5:00 pm - 12:35 pm

PDX

BKK

28h 35m

2 stops

5:40 pm - 9:31 am

BKK

PDX

30h 51m

2 stops

$976Multiple Airlines

Wed, Nov 4 - Mon, Nov 16

6:47 am - 10:00 pm

PDX

HKT

48h 13m

2 stops

12:20 am - 4:35 pm

HKT

PDX

31h 15m

2 stops

$982Multiple Airlines

Wed, Nov 4 - Fri, Nov 13

8:18 pm - 10:50 am

PDX

HKT

24h 32m

2 stops

11:50 am - 8:36 pm

HKT

PDX

22h 46m

2 stops

$1,072Cathay Pacific

Wed, Sep 2 - Wed, Sep 23

5:38 pm - 10:50 am

PDX

HKT

27h 12m

2 stops

11:50 am - 9:55 pm

HKT

PDX

24h 05m

2 stops

$1,086Cathay Pacific

Sun, Aug 23 - Tue, Sep 8

11:48 am - 7:45 am

PDX

HKT

29h 57m

2 stops

8:30 pm - 5:00 pm

HKT

PDX

34h 30m

2 stops

$1,097Qatar Airways

Mon, Sep 28 - Mon, Oct 5

1:03 pm - 11:35 am

PDX

KBV

32h 32m

2 stops

12:40 pm - 6:31 pm

KBV

PDX

43h 51m

2 stops

$2,320Emirates

Mon, Oct 19 - Fri, Oct 23

7:30 am - 11:15 am

PDX

USM

37h 45m

3 stops

7:45 pm - 4:55 pm

USM

PDX

35h 10m

3 stops

$2,395Qatar Airways

Wed, Jul 22 - Thu, Aug 6

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Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Aug 17

PDX3:30 pmPortland

23h 35m

1 stop

BKK5:05 amBangkok Suvarnabhumi

Sep 2

BKK7:05 amBangkok Suvarnabhumi

26h 06m

1 stop

PDX7:11 pmPortland

$1,026

Air Canada

Jul 21

PDX10:10 amPortland

23h 25m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Jul 27

BKK2:35 amBangkok Suvarnabhumi

26h 16m

2 stops

PDX2:51 pmPortland

$1,198

Air Canada

Jul 21

PDX10:10 amPortland

23h 25m

2 stops

BKK11:35 pmBangkok Suvarnabhumi

Jul 23

BKK2:35 amBangkok Suvarnabhumi

26h 16m

2 stops

PDX2:51 pmPortland

$1,226

United Airlines flights from Portland to Thailand

Our best United Airlines deals on Portland to Thailand flight tickets

United Airlines

Jul 20

PDX1:14 pmPortland

30h 21m

3 stops

BKK9:35 amBangkok Suvarnabhumi

Aug 31

BKK7:00 amBangkok Suvarnabhumi

24h 50m

2 stops

PDX5:50 pmPortland

$1,143

United Airlines

Jul 20

PDX5:15 amPortland

33h 20m

2 stops

BKK4:35 amBangkok Suvarnabhumi

Aug 31

BKK9:35 amBangkok Suvarnabhumi

43h 22m

2 stops

PDX2:57 pmPortland

$1,146

United Airlines

Jul 20

PDX6:03 pmPortland

44h 32m

2 stops

BKK4:35 amBangkok Suvarnabhumi

Aug 31

BKK7:00 amBangkok Suvarnabhumi

21h 47m

2 stops

PDX2:47 pmPortland

$1,151

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 11/5

7:01 am-10:25 pm

2 stops24h 24m

Bangkok Suvarnabhumi

Mon 11/16

5:05 am-1:50 pm

2 stops23h 45m

$940

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 10/2

8:18 pm-12:00 pm

2 stops25h 42m

Bangkok Suvarnabhumi

Sun 10/18

5:50 pm-9:31 am

2 stops29h 41m

$963

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 10/28

6:40 am-2:20 pm

2 stops41h 40m

Chiang Mai

Wed 11/4

3:35 pm-10:45 pm

2 stops46h 10m

$970

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 11/4

5:00 pm-12:35 pm

2 stops28h 35m

Bangkok Suvarnabhumi

Mon 11/16

5:40 pm-9:31 am

2 stops30h 51m

$976

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Wed 11/4

6:47 am-10:00 pm

2 stops48h 13m

Phuket City

Fri 11/13

12:20 am-4:35 pm

2 stops31h 15m

$982

Quickest round-trip

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Wed 9/2

8:18 pm-10:50 am

2 stops24h 32m

Phuket City

Wed 9/23

11:50 am-8:36 pm

2 stops22h 46m

$1,072

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Sun 8/23

5:38 pm-10:50 am

2 stops27h 12m

Phuket City

Tue 9/8

11:50 am-9:55 pm

2 stops24h 05m

$1,086

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 9/28

11:48 am-7:45 am

2 stops29h 57m

Phuket City

Mon 10/5

8:30 pm-5:00 pm

2 stops34h 30m

$1,097

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Mon 10/19

1:03 pm-11:35 am

2 stops32h 32m

Krabi

Fri 10/23

12:40 pm-6:31 pm

2 stops43h 51m

$2,320

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Wed 7/22

7:30 am-11:15 am

3 stops37h 45m

Ko Samui

Thu 8/6

7:45 pm-4:55 pm

3 stops35h 10m

$2,395

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 $1,115 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 $954 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	24h 05m
Direct flights	None

The fastest flight from Portland to Thailand takes 24h 05m

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 July 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 7.8 8,451 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,404 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.8 356 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,564 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $773	Free Cancellation	Rating 8.3 833 reviews	Search China Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,866 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $822	Free Cancellation	Rating 7.4 9,947 reviews	Search United Airlines flights
Korean Air	PriceFrom $845	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
ANA	PriceFrom $890	Free Cancellation	Rating 8.3 1,266 reviews	Search ANA flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,489 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.