Find flights
Airlines
Travel Guide

฿14,877+ Cheap flights to Portland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Flights to Portland in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Portland
Explore the most affordable flight options available to Portland. Find the lowest fares based on data from user searches, with prices last updated on 2 February 2026.

Fri 6/208:15
BKK
-
PDX
1 stop16h 00m
แอร์แคนาดา
Thu 19/215:15
PDX
-
BKK
1 stop24h 15m
แอร์แคนาดา
Deal found 31/1฿25,980
Wed 6/507:05
BKK
-
PDX
1 stop16h 25m
แอร์แคนาดา
Sat 15/810:10
PDX
-
BKK
1 stop28h 55m
แอร์แคนาดา
Deal found 1/2฿26,672
Thu 24/914:00
BKK
-
PDX
2 stops33h 31m
แอร์แคนาดา
Mon 28/919:45
PDX
-
BKK
1 stop19h 20m
แอร์แคนาดา
Deal found 31/1฿27,427
Mon 11/517:30
BKK
-
PDX
2 stops19h 23m
Multiple Airlines
Tue 2/617:40
PDX
-
BKK
2 stops26h 05m
Multiple Airlines
Deal found 31/1฿27,804
Sat 25/401:35
BKK
-
PDX
2 stops26h 12m
Multiple Airlines
Sat 9/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 31/1฿28,024
Mon 11/507:05
BKK
-
PDX
1 stop21h 40m
แอร์แคนาดา
Tue 2/619:45
PDX
-
BKK
2 stops37h 25m
แอร์แคนาดา
Deal found 31/1฿28,087

Find flight deals to Portland

Find the latest flights to Portland in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 2 February 2026.

Return from

฿26,672

One-way from

฿14,877

Popular in

February

Cheapest in

August

Average price

฿34,441
แอร์แคนาดา
  • แอร์แคนาดา
  • 6/5-15/8
  • 2 total stops
  • 45h 20m total
  • Bangkok to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 29/4
  • 2 total stops
  • 32h 25m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿1,837 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿341 potential savings vs. average return price).
Search Deals
Average for return flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Portland that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 2 February 2026.
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

07:05-09:30

1 stop16h 25m

Portland

Sat 15/8

10:10-05:05

1 stop28h 55m

฿26,672

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 11/5

17:30-22:53

2 stops19h 23m

Portland

Tue 2/6

17:40-09:45

2 stops26h 05m

฿27,804

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 11/5

07:05-09:30

1 stop16h 25m

Portland

Tue 2/6

15:25-23:10

2 stops41h 45m

฿28,024

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 5/5

01:35-13:47

2 stops26h 12m

Portland

Sat 15/8

17:50-11:20

2 stops27h 30m

฿28,119

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 11/5

01:35-16:22

2 stops28h 47m

Portland

Wed 3/6

07:00-23:30

2 stops26h 30m

฿28,402

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 14/2

17:15-21:10

2 stops18h 55m

Portland

Wed 18/2

07:05-23:40

2 stops25h 35m

฿28,685

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 11/2

07:45-18:30

2 stops49h 45m

฿15,789

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 7/3

22:55-10:52

2 stops50h 57m

฿16,261

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 29/4

07:05-14:40

1 stop21h 35m

฿16,355

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 13/2

13:20-22:41

2 stops24h 21m

฿16,418

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 16 results
1
2

Best time to book a flight to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Portland

How long is the flight to Portland?

On average, a flight from Bangkok to Portland takes 19 hours 23 minutes. Flights to Portland from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Portland?

The most popular airlines flying from Bangkok to Portland are Korean Air and Japan Airlines.

Korean Air
Korean Air
From ฿24,638
Japan Airlines
Japan Airlines
From ฿30,701

What are the cheapest airlines that fly to Portland?

The cheapest airlines flying from Bangkok to Portland are Korean Air, STARLUX Airlines and Japan Airlines.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 mm per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 2 February 2026.
See what other customers who have flown with STARLUX Airlines, Korean Air, andJapan Airlines to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.1

Food

8.6

Boarding

8.9

Entertainment

8.8

Overall

8.9

Comfort

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.1

Food

8.6

Boarding

8.9

Entertainment

8.8

Overall

8.9

Comfort

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Korean Air
8.4
Very Good
1,188 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.1

Food

8.6

Boarding

8.9

Entertainment

8.8

Overall

8.9

Comfort

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Japan Airlines
8.3
Very Good
1,695 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Crew

9.1

Food

8.6

Boarding

8.9

Entertainment

8.8

Overall

8.9

Comfort

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

FAQs about flying to Portland

  • What airport do you fly into for flights to Portland?

    Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights to Portland.

  • Can I find cheaper flights to Portland if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portland on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portland?

    Based on reviews from Cheapflights users, Korean Air is rated the highest out of the airlines that fly to Portland.

  • What is the cheapest airport to fly to in Portland?

    Portland is currently the cheapest airport to fly to in Portland. One-way flights to Portland typically cost ฿6,543, while return flights cost around ฿11,763.

  • Where does the fastest flight to Portland depart from?

    For those looking to save time traveling to Portland, Bangkok offers the quickest one-way flight (19 hours 23 minutes).

  • Does Portland have rental cars?

    Yes. Those touching down at Portland can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Portland?

    Yes. Portland has hotels nearby for those requiring accommodations. Sheraton Portland Airport Hotel is the closest property to Portland (0.0 km away from Portland).

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wilsonville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Portland by cabin class

Find flights to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Premium Economy Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Portland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Portland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Portland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to Portland become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Portland today and book when you’re ready!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.