Thailand

$445+ Cheap flights from Portland (PDX) to Thailand

PDX — BKK
Nov 29 — Dec 61
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Cheap flight deals from Portland to Thailand

Cheapest flights from Portland to Thailand

Mon 11/165:45 pm -
2 stops24h 10m
Thu 11/2611:40 pm -
2 stops37h 14m
Deal found 10/27$920
Tue 11/247:00 am -
2 stops47h 30m
Wed 12/911:15 pm -
2 stops34h 43m
Deal found 10/29$962
Tue 11/247:00 am -
2 stops47h 30m
Sun 12/61:05 am -
2 stops48h 47m
Deal found 10/29$968
Fri 11/2710:46 am -
2 stops35h 54m
Fri 12/113:15 pm -
2 stops33h 19m
Deal found 10/27$973
Wed 11/259:30 pm -
2 stops57h 20m
Wed 12/911:05 pm -
2 stops49h 28m
Deal found 10/26$1,011
Sat 11/285:20 pm -
2 stops40h 00m
Mon 12/71:05 am -
2 stops34h 50m
Deal found 10/29$1,024
Fri 12/49:27 pm -
2 stops49h 53m
Mon 12/213:35 pm -
2 stops38h 58m
Deal found 10/26$1,028
Wed 12/27:00 am -
2 stops31h 00m
Wed 2/37:55 am -
2 stops20h 53m
Deal found 10/25$1,029
Tue 11/247:00 am -
2 stops25h 05m
Mon 12/71:05 am -
2 stops32h 53m
Deal found 10/27$1,049
Mon 11/306:00 am -
2 stops41h 20m
Mon 12/73:35 pm -
2 stops46h 55m
Deal found 10/25$1,051
Wed 11/257:05 am -
2 stops25h 00m
Wed 12/911:15 pm -
2 stops33h 04m
Deal found 10/29$1,055
Tue 10/277:37 pm -
2 stops23h 18m
Tue 11/247:50 pm -
2 stops42h 08m
Deal found 10/27$1,056

Find flight deals from Portland to Thailand

Round-trip from

$920
(KAYAK)

One-way from

$445
(SmartFares)

Popular in

December

Cheapest in

April

Average price

$1,205
From Portland to Thailand
One-way flight from Portland to Thailand
Highest demand for flights based on searches. 7% potential increase in price ($90 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portland to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPhuket City

PDX Portland - HKT Phuket City

PDXHKT

Portland

Sat 1/9

10:31 am-7:35 pm

2 stops42h 04m

Phuket City

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$519

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Mon 2/22

6:40 am-10:45 pm

2 stops25h 05m

Chiang Mai

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$543

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Tue 2/23

6:40 am-10:45 pm

2 stops25h 05m

Chiang Mai

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$543

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Wed 2/24

9:40 am-10:45 pm

2 stops22h 05m

Chiang Mai

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$543
Quickest round-trip

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Wed 2/10

9:45 am-10:45 pm

2 stops22h 00m

Chiang Mai

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$543

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 11/25

7:05 am-1:25 pm

2 stops39h 20m

Bangkok Suvarnabhumi

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$545

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Wed 1/27

4:38 pm-10:45 pm

2 stops39h 07m

Chiang Mai

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$545

PortlandChiang Mai

PDX Portland - CNX Chiang Mai

PDXCNX

Portland

Thu 2/25

5:10 pm-10:45 pm

2 stops38h 35m

Chiang Mai

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$545

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Sun 11/29

5:51 pm-9:30 pm

2 stops60h 39m

Bangkok Suvarnabhumi

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$554

PortlandBangkok

PDX Portland - BKK Bangkok Suvarnabhumi

PDXBKK

Portland

Wed 12/2

2:15 pm-11:05 pm

2 stops41h 50m

Bangkok Suvarnabhumi

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 57 resultsSorted by cheapest first
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Best time to book a flight from Portland to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Portland with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Portland to Thailand

What is the cheapest month to book a flight from Portland to Thailand?

Currently, April is the cheapest month in which you can book a flight from Portland to Thailand (average of $964). Flying from Portland to Thailand in December is currently the most expensive (average of $1,657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Portland to Thailand?

The best time to book flights from Portland to Thailand is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Thailand

Get a feel of what it's like to fly with STARLUX Airlines,EVA Air, andSingapore Airlines from Portland to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Overall

8.8

Boarding

8.8

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Overall

8.8

Boarding

8.8

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Overall

8.8

Boarding

8.8

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Overall

8.8

Boarding

8.8

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Overall

8.8

Boarding

8.8

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Food

8.5

Crew

9.1

Comfort

8.8

Entertainment

8.7

Overall

8.8

Boarding

8.8

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

Related info for your journey

  • What airport do you fly from for flights from Portland to Thailand?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Thailand.

  • How long is the flight from Portland to Thailand?

    Airlines like Korean Air and Delta fly from Portland to Thailand in about 24h 50m. The time it takes to get you to your destination can typically vary by up to 14h 42m. The distance from Portland to Thailand is about 7525 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portland to Thailand one-way?

    For one-way options, check prices for STARLUX Airlines. According to our data, you can fly for as low as $411. Users have also found prices from $464 and $466 on Delta and Japan Airlines, respectively.

  • What are the most popular routes from Portland to Thailand?

  • Can I find deals for flights from Portland to Thailand that include hotel bookings?

    Yes. In addition to deals on Portland to Thailand flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Thailand.

  • Can I find deals for business class flights from Portland to Thailand?

    Yes. Cheapflights offers flight deals from Portland to Thailand by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Thailand?

    Currently, April is the cheapest month in which you can book a flight from Portland to Thailand (average of $964). Flying from Portland to Thailand in December is currently the most expensive (average of $1,657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portland to Thailand

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$99Average$1,090FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$753Average$877FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$759Average$987FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$773Average$903FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$862Average$997FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$872Average$1,034FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$896Average$1,338FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$896Average$979FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$944Average$1,120FlexibilityNo cancel feeOn-time79%
ANACheapest$1,026Average$1,358FlexibilityNo cancel feeOn-time80%

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