What is the cheapest airline that flies from Portland to Thailand?

Qatar Airways is the most popular carrier operating from Portland to Thailand

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.

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.

$422 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.

2:49 pm - 2:15 pm

PDX

BKK

33h 26m

3 stops

10:25 pm - 1:50 pm

BKK

PDX

53h 25m

3 stops

$824Multiple Airlines

Tue, Jul 21 - Tue, Jul 28

2:51 pm - 7:25 am

PDX

HKT

50h 34m

3 stops

10:20 pm - 1:50 pm

HKT

PDX

29h 30m

2 stops

$827Multiple Airlines

Thu, May 21 - Tue, May 26

5:51 pm - 4:55 pm

PDX

BKK

57h 04m

3 stops

10:25 pm - 1:50 pm

BKK

PDX

53h 25m

3 stops

$855Multiple Airlines

Tue, May 12 - Mon, Jun 8

2:49 pm - 4:55 pm

PDX

BKK

36h 06m

3 stops

10:25 pm - 1:50 pm

BKK

PDX

53h 25m

3 stops

$857Multiple Airlines

Tue, Jul 21 - Tue, Jul 28

6:07 am - 7:15 pm

PDX

HKT

23h 08m

2 stops

8:15 pm - 1:22 pm

HKT

PDX

31h 07m

2 stops

$918Singapore Airlines

Tue, Oct 20 - Sat, Oct 31

2:50 pm - 10:50 am

PDX

HKT

30h 00m

2 stops

6:00 pm - 12:22 pm

HKT

PDX

32h 22m

2 stops

$957Singapore Airlines

Thu, Oct 1 - Wed, Oct 7

9:29 pm - 10:20 am

PDX

CNX

22h 51m

2 stops

11:20 am - 9:25 am

CNX

PDX

36h 05m

2 stops

$1,182China Airlines

Mon, Aug 31 - Sat, Sep 5

7:00 am - 10:25 am

PDX

CNX

37h 25m

2 stops

11:50 am - 4:50 pm

CNX

PDX

44h 00m

2 stops

$1,186EVA Air

Mon, Oct 12 - Tue, Nov 10

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

11:50 pm - 6:15 pm

DMK

PDX

32h 25m

2 stops

$1,757Emirates

Tue, Oct 6 - Tue, Oct 20

Singapore Airlines flights from Portland to Thailand

Our best Singapore Airlines deals on Portland to Thailand flight tickets

Singapore Airlines

Oct 20

PDX6:07 amPortland

23h 08m

2 stops

HKT7:15 pmPhuket City

Oct 31

HKT8:15 pmPhuket City

31h 07m

2 stops

PDX1:22 pmPortland

$918

Singapore Airlines

Sep 22

PDX5:35 pmPortland

27h 25m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Sep 27

BKK8:15 pmBangkok Suvarnabhumi

31h 30m

2 stops

PDX1:45 pmPortland

$946

Singapore Airlines

Oct 1

PDX2:50 pmPortland

30h 00m

2 stops

HKT10:50 amPhuket City

Oct 7

HKT6:00 pmPhuket City

32h 22m

2 stops

PDX12:22 pmPortland

$957

Qatar Airways flights from Portland to Thailand

Our best Qatar Airways deals on Portland to Thailand flight tickets

Qatar Airways

Sep 3

PDX11:45 amPortland

35h 10m

2 stops

BKK12:55 pmBangkok Suvarnabhumi

Sep 13

BKK2:30 amBangkok Suvarnabhumi

28h 20m

2 stops

PDX4:50 pmPortland

$1,025

Qatar Airways

Aug 30

PDX11:45 amPortland

28h 35m

2 stops

BKK6:20 amBangkok Suvarnabhumi

Sep 9

BKK2:30 amBangkok Suvarnabhumi

28h 20m

2 stops

PDX4:50 pmPortland

$1,034

Qatar Airways

Sep 29

PDX5:05 amPortland

35h 15m

2 stops

BKK6:20 amBangkok Suvarnabhumi

Oct 27

BKK3:00 amBangkok Suvarnabhumi

33h 44m

2 stops

PDX10:44 pmPortland

$1,054

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 7/21

2:49 pm-2:15 pm

3 stops33h 26m

Bangkok Suvarnabhumi

Tue 7/28

10:25 pm-1:50 pm

3 stops53h 25m

$824

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Thu 5/21

2:51 pm-7:25 am

3 stops50h 34m

Phuket City

Tue 5/26

10:20 pm-1:50 pm

2 stops29h 30m

$827

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 5/12

5:51 pm-4:55 pm

3 stops57h 04m

Bangkok Suvarnabhumi

Mon 6/8

10:25 pm-1:50 pm

3 stops53h 25m

$855

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 7/21

2:49 pm-4:55 pm

3 stops36h 06m

Bangkok Suvarnabhumi

Tue 7/28

10:25 pm-1:50 pm

3 stops53h 25m

$857

Quickest round-trip

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 10/20

6:07 am-7:15 pm

2 stops23h 08m

Phuket City

Sat 10/31

8:15 pm-1:22 pm

2 stops31h 07m

$918

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Thu 10/1

2:50 pm-10:50 am

2 stops30h 00m

Phuket City

Wed 10/7

6:00 pm-12:22 pm

2 stops32h 22m

$957

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 8/31

9:29 pm-10:20 am

2 stops22h 51m

Chiang Mai

Sat 9/5

11:20 am-9:25 am

2 stops36h 05m

$1,182

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 10/12

7:00 am-10:25 am

2 stops37h 25m

Chiang Mai

Tue 11/10

11:50 am-4:50 pm

2 stops44h 00m

$1,186

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 10/6

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Tue 10/20

11:50 pm-6:15 pm

2 stops32h 25m

$1,757

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 April is, on average, the cheapest month to fly to Thailand from Portland, with most prices found around $920. If you are unable to visit Thailand during the month of April, 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 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 $1,057 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	22h 15m
Direct flights	None

The fastest flight from Portland to Thailand takes 22h 15m

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 8,455 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,298 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.9 303 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,502 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,787 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 818 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.4 1,188 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,212 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,648 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,426 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.