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 42% 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.

$482 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

6:10 pm - 11:19 am

BKK

PDX

32h 09m

2 stops

$879Multiple Airlines

Tue, Oct 27 - Tue, Nov 17

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

3:33 pm - 8:35 am

PDX

HKT

27h 02m

2 stops

8:10 pm - 5:00 pm

HKT

PDX

34h 50m

2 stops

$991Singapore Airlines

Fri, Oct 2 - Sat, Oct 10

5:00 pm - 10:10 am

PDX

HKT

26h 10m

2 stops

2:55 pm - 11:10 pm

HKT

PDX

23h 15m

2 stops

$1,042Singapore Airlines

Thu, Nov 5 - Wed, Nov 18

10:35 am - 7:45 am

PDX

HKT

31h 10m

2 stops

8:30 pm - 6:40 pm

HKT

PDX

36h 10m

2 stops

$1,074Qatar Airways

Tue, Aug 11 - Tue, Sep 8

1:48 pm - 7:45 am

PDX

HKT

27h 57m

2 stops

8:30 pm - 4:50 pm

HKT

PDX

34h 20m

2 stops

$1,092Qatar Airways

Tue, Aug 11 - Tue, Sep 8

7:53 pm - 10:50 am

PDX

HKT

24h 57m

2 stops

11:50 am - 9:25 am

HKT

PDX

35h 35m

2 stops

$1,148Cathay Pacific

Sat, Aug 22 - Sat, Aug 29

1:03 pm - 11:10 am

PDX

DMK

32h 07m

2 stops

10:55 pm - 6:31 pm

DMK

PDX

33h 36m

2 stops

$1,787Emirates

Wed, Sep 30 - Mon, Oct 26

10:59 pm - 7:40 pm

PDX

USM

54h 41m

2 stops

11:55 am - 1:50 pm

USM

PDX

39h 55m

2 stops

$1,845Cathay Pacific

Thu, Jul 9 - Thu, Jul 16

1:03 pm - 11:10 am

PDX

DMK

32h 07m

2 stops

10:55 pm - 6:31 pm

DMK

PDX

33h 36m

2 stops

$1,853Emirates

Tue, Sep 29 - Mon, Oct 26

Singapore Airlines flights from Portland to Thailand

Our best Singapore Airlines deals on Portland to Thailand flight tickets

Singapore Airlines

Nov 4

PDX6:00 pmPortland

29h 35m

2 stops

BKK2:35 pmBangkok Suvarnabhumi

Dec 3

BKK8:00 pmBangkok Suvarnabhumi

31h 22m

2 stops

PDX12:22 pmPortland

$961

Singapore Airlines

Nov 15

PDX6:00 pmPortland

26h 00m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Nov 21

BKK8:00 pmBangkok Suvarnabhumi

31h 22m

2 stops

PDX12:22 pmPortland

$964

Singapore Airlines

Aug 31

PDX7:53 pmPortland

25h 07m

2 stops

BKK11:00 amBangkok Suvarnabhumi

Sep 11

BKK3:30 pmBangkok Suvarnabhumi

31h 55m

2 stops

PDX9:25 amPortland

$975

Qatar Airways flights from Portland to Thailand

Our best Qatar Airways deals on Portland to Thailand flight tickets

Qatar Airways

Sep 29

PDX7:09 amPortland

33h 11m

2 stops

BKK6:20 amBangkok Suvarnabhumi

Oct 29

BKK3:00 amBangkok Suvarnabhumi

28h 00m

2 stops

PDX5:00 pmPortland

$1,042

Qatar Airways

Nov 3

PDX8:05 amPortland

31h 10m

2 stops

BKK6:15 amBangkok Suvarnabhumi

Feb 2

BKK3:00 amBangkok Suvarnabhumi

26h 55m

2 stops

PDX2:55 pmPortland

$1,050

Qatar Airways

Nov 3

PDX12:01 pmPortland

27h 14m

2 stops

BKK6:15 amBangkok Suvarnabhumi

Feb 3

BKK2:00 amBangkok Suvarnabhumi

34h 13m

2 stops

PDX9:13 pmPortland

$1,068

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/27

6:06 am-8:00 pm

2 stops23h 54m

Bangkok Suvarnabhumi

Tue 11/17

6:10 pm-11:19 am

2 stops32h 09m

$879

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

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Fri 10/2

3:33 pm-8:35 am

2 stops27h 02m

Phuket City

Sat 10/10

8:10 pm-5:00 pm

2 stops34h 50m

$991

Quickest round-trip

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Thu 11/5

5:00 pm-10:10 am

2 stops26h 10m

Phuket City

Wed 11/18

2:55 pm-11:10 pm

2 stops23h 15m

$1,042

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 8/11

10:35 am-7:45 am

2 stops31h 10m

Phuket City

Tue 9/8

8:30 pm-6:40 pm

2 stops36h 10m

$1,074

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

$1,092

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Sat 8/22

7:53 pm-10:50 am

2 stops24h 57m

Phuket City

Sat 8/29

11:50 am-9:25 am

2 stops35h 35m

$1,148

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/30

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Mon 10/26

10:55 pm-6:31 pm

2 stops33h 36m

$1,787

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 7/9

10:59 pm-7:40 pm

2 stops54h 41m

Ko Samui

Thu 7/16

11:55 am-1:50 pm

2 stops39h 55m

$1,845

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Tue 9/29

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Mon 10/26

10:55 pm-6:31 pm

2 stops33h 36m

$1,853

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 $1,059 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 6% 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 00m
Direct flights	None

The fastest flight from Portland to Thailand takes 23h 00m

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 8,425 reviews	Search Delta flights
Cathay Pacific	PriceFrom $653	Free Cancellation	Rating 7.6 1,346 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 1,523 reviews	Search Singapore Airlines flights
Japan Airlines	PriceFrom $776	Free Cancellation	Rating 8.3 1,827 reviews	Search Japan Airlines flights
ANA	PriceFrom $778	Free Cancellation	Rating 8.3 1,216 reviews	Search ANA flights
China Airlines	PriceFrom $781	Free Cancellation	Rating 8.3 826 reviews	Search China Airlines 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 9,750 reviews	Search United Airlines flights
EVA Air	PriceFrom $896	Free Cancellation	Rating 8.5 1,459 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.