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฿17,299+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
5 Sep — 12 Sep1
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 6 August 2026.

Mon 21/907:05 -
1 stop16h 26m
Mon 5/1019:45 -
1 stop19h 20m
Deal found 1/8฿28,070
Tue 22/923:30 -
2 stops29h 16m
Mon 28/919:45 -
2 stops36h 00m
Deal found 5/8฿29,495
Wed 23/901:35 -
2 stops27h 11m
Mon 28/919:45 -
2 stops36h 00m
Deal found 5/8฿29,826
Sat 19/923:30 -
2 stops33h 41m
Sat 26/915:30 -
1 stop23h 35m
Deal found 5/8฿29,893
Sat 19/921:15 -
2 stops26h 16m
Sat 26/910:10 -
1 stop28h 55m
Deal found 5/8฿29,992
Mon 21/915:45 -
2 stops37h 01m
Mon 5/1010:10 -
1 stop28h 55m
Deal found 1/8฿30,025
Tue 22/923:30 -
2 stops33h 41m
Fri 25/915:23 -
2 stops47h 42m
Deal found 5/8฿30,489
Thu 17/913:10 -
2 stops20h 40m
Thu 24/921:32 -
2 stops24h 28m
Deal found 3/8฿31,053

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 6 August 2026.

Return from

฿28,070

One-way from

฿17,299

Popular in

March

Cheapest in

October

Average price

฿34,400
แอร์แคนาดา
  • แอร์แคนาดา
  • 21/9-5/10
  • 2 total stops
  • 35h 46m total
  • Bangkok to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 10/11
  • 2 total stops
  • 42h 56m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (฿36,362 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 29% potential price decrease (฿10,117 potential savings vs. average return price).
Search Deals
Average for return flights in August 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 6 August 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 Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Fri 28/8

11:15-09:31

2 stops36h 16m

Portland

Sat 29/8

15:43-05:05

2 stops23h 22m

฿34,102

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Sat 19/9

09:35-10:11

2 stops38h 36m

Portland

Mon 28/9

15:23-09:35

3 stops28h 12m

฿36,952

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Fri 28/8

15:45-12:00

3 stops34h 15m

Portland

Sat 29/8

15:43-04:35

2 stops46h 52m

฿36,985

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Fri 4/9

07:00-18:19

3 stops25h 19m

Portland

Sat 3/10

19:29-04:35

2 stops43h 06m

฿37,018

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Tue 13/10

07:00-14:27

2 stops21h 27m

Portland

Tue 13/10

19:29-09:35

3 stops48h 06m

฿37,018
Fastest return journey

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Thu 17/9

07:00-17:49

2 stops24h 49m

Portland

Thu 24/9

15:23-09:35

3 stops28h 12m

฿37,018

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Mon 1/2

16:55-12:25

3 stops34h 30m

Portland

Wed 17/3

13:39-11:30

2 stops31h 51m

฿37,482

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Thu 24/9

09:35-21:00

2 stops25h 25m

Portland

Mon 28/9

15:23-09:35

3 stops28h 12m

฿40,597

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Tue 18/8

07:00-20:31

2 stops27h 31m

Portland

Tue 15/9

13:03-09:35

3 stops30h 32m

฿44,044
Cheapest one-way

BangkokPortland

BKK Bangkok Suvarnabhumi - PDX Portland

BKKPDX

Bangkok Suvarnabhumi

Fri 27/11

09:40-09:26

2 stops38h 46m

฿19,056

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 18 resultsSorted by cheapest first
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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 40 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.

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).

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 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 ฿7,206, while return flights cost around ฿12,395.

  • How much is a return flight to Portland?

    A return flight to Portland will typically cost around ฿13,114, however they can be found for as little as ฿12,395.

  • 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 40 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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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How does Cheapflights help users find flights to Portland?

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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!

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