Find flights
Airlines
Travel Guide

฿17,310+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
24 Jun — 1 Jul1
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 25 May 2026.

Wed 11/1109:40
BKK
-
PDX
2 stops23h 51m
แอร์แคนาดา
Wed 18/1119:10
PDX
-
BKK
2 stops38h 35m
แอร์แคนาดา
Deal found 24/5฿30,122
Wed 4/1111:30
BKK
-
PDX
2 stops42h 11m
แอร์แคนาดา
Fri 13/1119:10
PDX
-
BKK
2 stops38h 35m
แอร์แคนาดา
Deal found 22/5฿30,220
Tue 8/917:30
BKK
-
PDX
2 stops19h 31m
Multiple Airlines
Thu 1/1021:32
PDX
-
BKK
2 stops22h 13m
Multiple Airlines
Deal found 25/5฿31,231
Tue 16/617:30
BKK
-
PDX
2 stops20h 22m
Multiple Airlines
Tue 23/617:37
PDX
-
BKK
2 stops26h 08m
Multiple Airlines
Deal found 25/5฿31,328
Wed 16/901:20
BKK
-
PDX
2 stops31h 46m
แอร์แคนาดา
Sun 20/919:45
PDX
-
BKK
2 stops36h 00m
แอร์แคนาดา
Deal found 21/5฿31,948
Wed 9/901:35
BKK
-
PDX
2 stops31h 31m
แอร์แคนาดา
Sat 12/915:30
PDX
-
BKK
2 stops40h 15m
แอร์แคนาดา
Deal found 22/5฿32,632
Fri 5/617:30
BKK
-
PDX
2 stops30h 17m
Multiple Airlines
Mon 8/621:30
PDX
-
BKK
2 stops22h 15m
Multiple Airlines
Deal found 21/5฿33,350
Tue 15/1217:50
BKK
-
PDX
2 stops21h 20m
Multiple Airlines
Wed 30/1217:55
PDX
-
BKK
2 stops28h 10m
Multiple Airlines
Deal found 24/5฿33,578

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 25 May 2026.

Return from

฿30,122

One-way from

฿17,310

Popular in

March

Cheapest in

August

Average price

฿30,513
แอร์แคนาดา
  • แอร์แคนาดา
  • 11/11-18/11
  • 4 total stops
  • 62h 26m total
  • Bangkok to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 11/11
  • 2 total stops
  • 43h 10m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (฿34,428 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 31% potential price decrease (฿10,109 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 25 May 2026.
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 8/9

17:30-23:01

2 stops19h 31m

Portland

Thu 1/10

21:32-09:45

2 stops22h 13m

฿31,231

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 19/6

10:50-23:38

2 stops26h 48m

Portland

Thu 25/6

17:37-09:45

2 stops26h 08m

฿33,773

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 4/11

16:55-20:33

3 stops42h 38m

Portland

Fri 13/11

07:30-11:25

2 stops36h 55m

฿36,381

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 13/6

15:45-00:50

2 stops23h 05m

Portland

Thu 2/7

05:15-04:35

3 stops33h 20m

฿42,999

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 11/11

16:55-20:33

3 stops42h 38m

Portland

Wed 18/11

13:39-11:25

3 stops30h 46m

฿46,650

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 19/6

07:05-09:31

1 stop16h 26m

Portland

Thu 25/6

19:45-23:35

2 stops37h 50m

฿49,584

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

17:30-09:07

2 stops29h 37m

Portland

Thu 17/9

21:32-09:45

2 stops22h 13m

฿54,050

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 1/10

17:30-09:25

2 stops29h 55m

Portland

Fri 16/10

18:00-09:45

2 stops25h 45m

฿54,050

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 19/6

22:35-13:05

1 stop28h 30m

Portland

Thu 25/6

15:35-12:35

1 stop31h 00m

฿56,365
Cheapest one-way

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 15/6

17:30-09:21

2 stops29h 51m

฿18,288

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 19 resultsSorted by cheapest first
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 20 hours 22 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 airline flying from Bangkok to Portland is Korean Air.

Korean Air
Korean Air
From ฿25,536

What are the cheapest airlines that fly to Portland?

The cheapest airline flying from Bangkok to Portland is Korean Air.

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 25 May 2026.
See what other customers who have flown with Korean Air to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Boarding

8.5

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,217 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Comfort

8.3

Boarding

8.5

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 ฿6,782, while return flights cost around ฿12,192.

  • 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 (20 hours 22 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 (1.6 km away from Portland).

See more FAQs

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 flights to Portland
Business Class flights to Portland
Prem Economy Class flights to Portland
Economy Class flights to Portland

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.