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฿17,807+ 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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
11 Jul — 18 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 11 June 2026.

Mon 21/907:05
BKK
-
PDX
1 stop26h 01m
แอร์แคนาดา
Wed 21/1019:45
PDX
-
BKK
1 stop19h 20m
แอร์แคนาดา
Deal found 10/6฿29,064
Tue 22/901:35
BKK
-
PDX
2 stops45h 56m
แอร์แคนาดา
Thu 24/919:45
PDX
-
BKK
2 stops36h 00m
แอร์แคนาดา
Deal found 8/6฿29,492
Wed 23/901:35
BKK
-
PDX
2 stops27h 16m
แอร์แคนาดา
Thu 24/919:45
PDX
-
BKK
2 stops36h 00m
แอร์แคนาดา
Deal found 8/6฿30,282
Mon 21/917:30
BKK
-
PDX
2 stops31h 20m
Multiple Airlines
Wed 21/1018:00
PDX
-
BKK
2 stops25h 45m
Multiple Airlines
Deal found 10/6฿31,006
Sat 24/1013:25
BKK
-
PDX
2 stops34h 04m
Multiple Airlines
Fri 20/1117:55
PDX
-
BKK
2 stops27h 10m
Multiple Airlines
Deal found 10/6฿33,211
Sun 5/710:50
BKK
-
PDX
2 stops34h 47m
Multiple Airlines
Sun 12/708:19
PDX
-
BKK
2 stops35h 26m
Multiple Airlines
Deal found 7/6฿33,376
Tue 14/701:35
BKK
-
PDX
2 stops29h 12m
Multiple Airlines
Thu 23/707:19
PDX
-
BKK
2 stops26h 11m
Multiple Airlines
Deal found 8/6฿35,383
Wed 23/907:00
BKK
-
PDX
2 stops41h 15m
United Airlines
Thu 24/913:03
PDX
-
BKK
3 stops30h 32m
United Airlines
Deal found 8/6฿36,075

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 11 June 2026.

Return from

฿29,064

One-way from

฿17,807

Popular in

March

Cheapest in

August

Average price

฿30,249
แอร์แคนาดา
  • แอร์แคนาดา
  • 21/9-21/10
  • 2 total stops
  • 45h 21m total
  • Bangkok to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 28/10
  • 1 total stop
  • 24h 16m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 44% potential increase in price (฿34,304 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 35% potential price decrease (฿11,182 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 11 June 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

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 20/9

02:35-19:06

2 stops30h 31m

Portland

Wed 21/10

10:10-05:05

1 stop28h 55m

฿29,261

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 5/7

10:50-07:37

2 stops34h 47m

Portland

Sun 12/7

08:19-09:45

2 stops35h 26m

฿33,376

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 5/7

07:00-00:50

2 stops31h 50m

Portland

Sun 12/7

07:00-09:35

3 stops36h 35m

฿36,503

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

13:20-09:07

2 stops33h 47m

Portland

Thu 17/9

21:32-12:10

2 stops24h 38m

฿51,972
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

07:00-14:57

2 stops21h 57m

Portland

Thu 17/9

13:03-09:35

3 stops30h 32m

฿67,837

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 24/10

12:05-12:20

1 stop38h 15m

Portland

Fri 20/11

13:20-10:05

1 stop29h 45m

฿76,033
Cheapest one-way
Fastest single journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 10/11

08:15-09:26

1 stop16h 11m

฿17,840

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 9/7

13:20-00:22

2 stops25h 02m

฿18,399

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 30/8

17:30-10:50

2 stops31h 20m

฿19,124

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 21/6

17:30-23:30

2 stops20h 00m

฿19,156

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 12 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 34 hours 4 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 ฿25,783

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 11 June 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
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

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
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

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 ฿6,847, while return flights cost around ฿12,310.

  • How much is a return flight to Portland?

    A return flight to Portland will typically cost around ฿13,025, however they can be found for as little as ฿12,310.

  • 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 (34 hours 4 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

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