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฿16,417+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
31 Jul — 7 Aug1
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 1 July 2026.

Mon 21/907:05
BKK
-
PDX
1 stop16h 26m
แอร์แคนาดา
Mon 21/919:45
PDX
-
BKK
1 stop19h 20m
แอร์แคนาดา
Deal found 27/6฿27,085
Mon 6/707:05
BKK
-
PDX
1 stop16h 26m
แอร์แคนาดา
Mon 20/710:10
PDX
-
BKK
1 stop28h 55m
แอร์แคนาดา
Deal found 26/6฿29,245
Wed 9/907:05
BKK
-
PDX
1 stop16h 26m
แอร์แคนาดา
Wed 7/1010:10
PDX
-
BKK
1 stop28h 55m
แอร์แคนาดา
Deal found 30/6฿29,278
Sat 7/1109:40
BKK
-
PDX
2 stops20h 01m
แอร์แคนาดา
Sun 8/1107:00
PDX
-
BKK
2 stops26h 45m
แอร์แคนาดา
Deal found 28/6฿29,311
Thu 24/907:45
BKK
-
PDX
2 stops25h 26m
แอร์แคนาดา
Sun 27/919:45
PDX
-
BKK
2 stops36h 00m
แอร์แคนาดา
Deal found 26/6฿29,544

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 1 July 2026.

Return from

฿27,085

One-way from

฿16,417

Popular in

March

Cheapest in

August

Average price

฿33,233
แอร์แคนาดา
  • แอร์แคนาดา
  • 21/9-21/9
  • 2 total stops
  • 35h 46m total
  • Bangkok to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 9/11
  • 1 total stop
  • 25h 06m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (฿37,048 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 30% potential price decrease (฿10,198 potential savings vs. average return price).
Search Deals
Average for return flights in July 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 1 July 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

Mon 21/9

07:00-15:05

2 stops22h 05m

Portland

Mon 21/9

19:15-09:35

3 stops48h 20m

฿35,924

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 24/9

15:45-10:15

3 stops32h 30m

Portland

Sun 27/9

15:23-09:35

3 stops28h 12m

฿37,387

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 2/8

23:30-23:53

2 stops38h 23m

Portland

Thu 10/9

07:00-23:35

2 stops26h 35m

฿38,782

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 31/7

02:35-17:12

2 stops28h 37m

Portland

Sun 13/9

17:35-23:35

2 stops40h 00m

฿42,305

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 3/8

23:30-17:14

2 stops31h 44m

Portland

Mon 21/9

09:44-21:45

2 stops22h 01m

฿42,438

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 3/8

23:30-17:14

2 stops31h 44m

Portland

Tue 15/9

06:10-13:35

2 stops41h 25m

฿42,438
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 6/8

02:35-14:45

2 stops26h 10m

Portland

Sat 19/9

09:44-21:45

2 stops22h 01m

฿42,438

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 6/8

23:30-17:14

2 stops31h 44m

Portland

Wed 16/9

09:44-21:45

2 stops22h 01m

฿42,438

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 31/7

02:35-17:12

2 stops28h 37m

Portland

Sat 12/9

17:35-01:05

2 stops41h 30m

฿42,704

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 26/7

15:45-00:50

2 stops23h 05m

Portland

Sun 13/9

15:36-09:35

3 stops27h 59m

฿45,063

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 23 resultsSorted by cheapest first
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3

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 21 hours 37 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 ฿26,032

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 1 July 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
1,220 reviews
Check prices

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

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
1,220 reviews
Korean Air
8.4
Very Good
1,220 reviews
Check prices

Overall

8.4

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

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 ฿6,913, while return flights cost around ฿12,429.

  • How much is a return flight to Portland?

    A return flight to Portland will typically cost around ฿13,151, however they can be found for as little as ฿12,429.

  • 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 (21 hours 37 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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Users can book flights with no change fees policies with our dedicated filters. Book flights to Portland flexibly with Cheapflights today.

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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!

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