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 44% 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 is the most popular carrier 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 June 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.

$447 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.

9:30 pm - 8:00 pm

PDX

BKK

31h 30m

2 stops

9:10 pm - 1:14 pm

BKK

PDX

31h 04m

2 stops

$881Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

5:38 pm - 11:00 am

PDX

BKK

27h 22m

2 stops

8:15 pm - 1:27 pm

BKK

PDX

31h 12m

2 stops

$911Multiple Airlines

Tue, Sep 22 - Wed, Oct 21

6:06 am - 8:00 pm

PDX

BKK

23h 54m

2 stops

9:10 pm - 11:36 am

BKK

PDX

28h 26m

2 stops

$930Singapore Airlines

Tue, Oct 6 - Fri, Oct 30

3:33 pm - 8:05 am

PDX

BKK

26h 32m

2 stops

12:15 pm - 9:31 am

BKK

PDX

35h 16m

2 stops

$951Singapore Airlines

Fri, Oct 2 - Sun, Oct 11

1:48 pm - 7:45 am

PDX

HKT

27h 57m

2 stops

8:30 pm - 4:50 pm

HKT

PDX

34h 20m

2 stops

$1,074Qatar Airways

Tue, Aug 11 - Tue, Sep 8

5:00 am - 7:45 am

PDX

HKT

36h 45m

2 stops

9:20 am - 4:55 pm

HKT

PDX

45h 35m

2 stops

$1,092Qatar Airways

Mon, Jul 13 - Fri, Jul 24

11:42 am - 6:40 am

PDX

HKT

28h 58m

2 stops

2:40 am - 10:15 pm

HKT

PDX

57h 35m

2 stops

$1,120Etihad Airways

Tue, Oct 20 - Fri, Oct 30

1:28 pm - 6:05 pm

PDX

KBV

61h 37m

2 stops

8:40 am - 12:36 pm

KBV

PDX

42h 56m

2 stops

$1,423Etihad Airways

Mon, Nov 9 - Tue, Nov 17

1:03 pm - 8:45 pm

PDX

DMK

41h 42m

2 stops

11:00 am - 6:31 pm

DMK

PDX

46h 31m

2 stops

$1,792Emirates

Thu, Oct 22 - Mon, Nov 9

1:03 pm - 8:45 pm

PDX

DMK

41h 42m

2 stops

10:55 pm - 6:31 pm

DMK

PDX

33h 36m

2 stops

$1,807Emirates

Tue, Oct 6 - Fri, Oct 30

Singapore Airlines flights from Portland to Thailand

Our best Singapore Airlines deals on Portland to Thailand flight tickets

Singapore Airlines

Oct 6

PDX6:06 amPortland

23h 54m

2 stops

BKK8:00 pmBangkok Suvarnabhumi

Oct 30

BKK9:10 pmBangkok Suvarnabhumi

28h 26m

2 stops

PDX11:36 amPortland

$930

Singapore Airlines

Oct 2

PDX3:33 pmPortland

26h 32m

2 stops

BKK8:05 amBangkok Suvarnabhumi

Oct 11

BKK12:15 pmBangkok Suvarnabhumi

35h 16m

2 stops

PDX9:31 amPortland

$951

Singapore Airlines

Nov 4

PDX6:00 pmPortland

29h 35m

2 stops

BKK2:35 pmBangkok Suvarnabhumi

Dec 3

BKK6:10 pmBangkok Suvarnabhumi

31h 40m

2 stops

PDX10:50 amPortland

$963

Air Canada flights from Portland to Thailand

Our best Air Canada deals on Portland to Thailand flight tickets

Air Canada

Jun 3

PDX7:45 pmPortland

36h 10m

2 stops

BKK9:55 pmBangkok Suvarnabhumi

Jun 10

BKK1:20 amBangkok Suvarnabhumi

27h 25m

2 stops

PDX2:45 pmPortland

$1,334

Air Canada

Jun 6

PDX7:45 pmPortland

36h 10m

2 stops

BKK9:55 pmBangkok Suvarnabhumi

Jun 22

BKK7:05 amBangkok Suvarnabhumi

16h 26m

1 stop

PDX9:31 amPortland

$1,365

Air Canada

Jun 10

PDX7:45 pmPortland

35h 00m

2 stops

BKK8:45 pmBangkok Suvarnabhumi

Jul 3

BKK7:05 amBangkok Suvarnabhumi

26h 06m

1 stop

PDX7:11 pmPortland

$1,374

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/2

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

Mon 11/9

9:10 pm-1:14 pm

2 stops31h 04m

$881

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

5:38 pm-11:00 am

2 stops27h 22m

Bangkok Suvarnabhumi

Wed 10/21

8:15 pm-1:27 pm

2 stops31h 12m

$911

Quickest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/6

6:06 am-8:00 pm

2 stops23h 54m

Bangkok Suvarnabhumi

Fri 10/30

9:10 pm-11:36 am

2 stops28h 26m

$930

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 10/2

3:33 pm-8:05 am

2 stops26h 32m

Bangkok Suvarnabhumi

Sun 10/11

12:15 pm-9:31 am

2 stops35h 16m

$951

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 8/11

1:48 pm-7:45 am

2 stops27h 57m

Phuket City

Tue 9/8

8:30 pm-4:50 pm

2 stops34h 20m

$1,074

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 7/13

5:00 am-7:45 am

2 stops36h 45m

Phuket City

Fri 7/24

9:20 am-4:55 pm

2 stops45h 35m

$1,092

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 10/20

11:42 am-6:40 am

2 stops28h 58m

Phuket City

Fri 10/30

2:40 am-10:15 pm

2 stops57h 35m

$1,120

PortlandKrabi

PDX - KBV

PDXKBV

Portland

Mon 11/9

1:28 pm-6:05 pm

2 stops61h 37m

Krabi

Tue 11/17

8:40 am-12:36 pm

2 stops42h 56m

$1,423

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Thu 10/22

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Mon 11/9

11:00 am-6:31 pm

2 stops46h 31m

$1,792

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Tue 10/6

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

$1,807

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 week ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,069 when searching week 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 $966 on momondo.

Can stopping save me money on Portland to Thailand flights?

You could potentially save up to 2% 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 35m
Direct flights	None

The fastest flight from Portland to Thailand takes 23h 35m

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 June 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 8,397 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,354 reviews	Search Cathay Pacific flights
STARLUX Airlines	PriceFrom $754	Free Cancellation	Rating 8.9 327 reviews	Search STARLUX Airlines flights
Singapore Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 1,528 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,834 reviews	Search Japan Airlines flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 828 reviews	Search China Airlines flights
ANA	PriceFrom $785	Free Cancellation	Rating 8.3 1,219 reviews	Search ANA flights
Korean Air	PriceFrom $795	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
United Airlines	PriceFrom $822	Free Cancellation	Rating 7.4 9,779 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,465 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.