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 40% 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?

Qatar Airways 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 May 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.

$478 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.

6:06 am - 8:00 pm

PDX

BKK

23h 54m

2 stops

8:00 pm - 1:14 pm

BKK

PDX

32h 14m

2 stops

$899Singapore Airlines

Tue, Oct 27 - Tue, Nov 10

9:30 pm - 8:00 pm

PDX

BKK

31h 30m

2 stops

8:00 pm - 12:22 pm

BKK

PDX

31h 22m

2 stops

$900Singapore Airlines

Mon, Nov 2 - Mon, Jan 25

7:00 am - 2:20 pm

PDX

CNX

40h 20m

2 stops

3:35 pm - 9:35 am

CNX

PDX

57h 00m

2 stops

$963Multiple Airlines

Tue, Nov 3 - Sun, Nov 15

5:35 pm - 11:00 am

PDX

BKK

27h 25m

2 stops

3:30 pm - 10:50 am

BKK

PDX

33h 20m

2 stops

$968Multiple Airlines

Tue, Sep 22 - Sun, Sep 27

1:59 pm - 7:45 am

PDX

HKT

27h 46m

2 stops

8:30 pm - 4:50 pm

HKT

PDX

34h 20m

2 stops

$1,105Qatar Airways

Tue, Sep 1 - Tue, Sep 22

1:59 pm - 7:45 am

PDX

HKT

27h 46m

2 stops

8:30 pm - 10:01 pm

HKT

PDX

39h 31m

2 stops

$1,123Qatar Airways

Tue, Sep 1 - Thu, Sep 24

7:30 pm - 12:00 pm

PDX

KBV

50h 30m

2 stops

1:00 pm - 5:40 pm

KBV

PDX

42h 40m

2 stops

$2,855Malaysia 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

42h 40m

2 stops

$2,856Malaysia Airlines

Thu, Sep 10 - Mon, Sep 14

11:16 am - 8:20 pm

PDX

KBV

43h 04m

2 stops

11:30 pm - 8:54 pm

KBV

PDX

35h 24m

2 stops

$3,408Emirates

Thu, Jun 25 - Thu, Jul 2

1:14 pm - 8:20 pm

PDX

KBV

41h 06m

2 stops

12:40 pm - 8:54 pm

KBV

PDX

46h 14m

2 stops

$9,735Emirates

Thu, Jun 11 - Wed, Jun 17

Singapore Airlines flights from Portland to Thailand

Our best Singapore Airlines deals on Portland to Thailand flight tickets

Singapore Airlines

Oct 27

PDX6:06 amPortland

23h 54m

2 stops

BKK8:00 pmBangkok Suvarnabhumi

Nov 10

BKK8:00 pmBangkok Suvarnabhumi

32h 14m

2 stops

PDX1:14 pmPortland

$899

Singapore Airlines

Nov 2

PDX9:30 pmPortland

31h 30m

2 stops

BKK8:00 pmBangkok Suvarnabhumi

Jan 25

BKK8:00 pmBangkok Suvarnabhumi

31h 22m

2 stops

PDX12:22 pmPortland

$900

Singapore Airlines

Sep 22

PDX5:35 pmPortland

27h 25m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Oct 21

BKK9:15 pmBangkok Suvarnabhumi

30h 12m

2 stops

PDX1:27 pmPortland

$934

Qatar Airways flights from Portland to Thailand

Our best Qatar Airways deals on Portland to Thailand flight tickets

Qatar Airways

Aug 26

PDX11:45 amPortland

29h 30m

2 stops

BKK7:15 amBangkok Suvarnabhumi

Sep 14

BKK2:30 amBangkok Suvarnabhumi

28h 20m

2 stops

PDX4:50 pmPortland

$1,041

Qatar Airways

Aug 25

PDX7:10 amPortland

33h 10m

2 stops

BKK6:20 amBangkok Suvarnabhumi

Sep 15

BKK2:30 amBangkok Suvarnabhumi

28h 20m

2 stops

PDX4:50 pmPortland

$1,042

Qatar Airways

Oct 4

PDX10:51 amPortland

29h 29m

2 stops

BKK6:20 amBangkok Suvarnabhumi

Oct 14

BKK3:00 amBangkok Suvarnabhumi

28h 00m

2 stops

PDX5:00 pmPortland

$1,050

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/27

6:06 am-8:00 pm

2 stops23h 54m

Bangkok Suvarnabhumi

Tue 11/10

8:00 pm-1:14 pm

2 stops32h 14m

$899

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/2

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Mon 1/25

8:00 pm-12:22 pm

2 stops31h 22m

$900

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 11/3

7:00 am-2:20 pm

2 stops40h 20m

Chiang Mai

Sun 11/15

3:35 pm-9:35 am

2 stops57h 00m

$963

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:35 pm-11:00 am

2 stops27h 25m

Bangkok Suvarnabhumi

Sun 9/27

3:30 pm-10:50 am

2 stops33h 20m

$968

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 9/1

1:59 pm-7:45 am

2 stops27h 46m

Phuket City

Tue 9/22

8:30 pm-4:50 pm

2 stops34h 20m

$1,105

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 9/1

1:59 pm-7:45 am

2 stops27h 46m

Phuket City

Thu 9/24

8:30 pm-10:01 pm

2 stops39h 31m

$1,123

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 stops42h 40m

$2,855

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 stops42h 40m

$2,856

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Thu 6/25

11:16 am-8:20 pm

2 stops43h 04m

Krabi

Thu 7/2

11:30 pm-8:54 pm

2 stops35h 24m

$3,408

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Thu 6/11

1:14 pm-8:20 pm

2 stops41h 06m

Krabi

Wed 6/17

12:40 pm-8:54 pm

2 stops46h 14m

$9,735

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 $1,046 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 $908 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 54m
Direct flights	None

The fastest flight from Portland to Thailand takes 23h 54m

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 May 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 8,454 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,331 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.9 314 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,515 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,825 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 826 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.3 1,210 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
United Airlines	PriceFrom $821	Free Cancellation	Rating 7.4 9,724 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,447 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.