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฿17,341+ 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
31 Aug — 7 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 1 August 2026.

Mon 21/907:05
BKK
-
PDX
1 stop16h 26m
แอร์แคนาดา
Mon 5/1010:10
PDX
-
BKK
1 stop28h 55m
แอร์แคนาดา
Deal found 29/7฿27,866
Mon 21/915:45
BKK
-
PDX
2 stops37h 01m
Multiple Airlines
Mon 5/1010:10
PDX
-
BKK
1 stop28h 55m
Multiple Airlines
Deal found 1/8฿30,272
Fri 28/817:50
BKK
-
PDX
2 stops40h 00m
STARLUX Airlines
Fri 4/917:41
PDX
-
BKK
2 stops32h 59m
STARLUX Airlines
Deal found 30/7฿31,308
Sat 12/913:10
BKK
-
PDX
2 stops20h 40m
STARLUX Airlines
Sat 19/917:41
PDX
-
BKK
2 stops28h 19m
STARLUX Airlines
Deal found 28/7฿31,374
Fri 4/917:50
BKK
-
PDX
2 stops40h 00m
STARLUX Airlines
Tue 29/921:32
PDX
-
BKK
2 stops24h 28m
STARLUX Airlines
Deal found 28/7฿31,575
Sat 5/913:10
BKK
-
PDX
2 stops20h 40m
Multiple Airlines
Thu 1/1017:53
PDX
-
BKK
2 stops32h 47m
Multiple Airlines
Deal found 28/7฿31,909

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 August 2026.

Return from

฿27,866

One-way from

฿17,341

Popular in

March

Cheapest in

August

Average price

฿26,162
แอร์แคนาดา
  • แอร์แคนาดา
  • 21/9-5/10
  • 2 total stops
  • 45h 21m 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. 46% potential increase in price (฿37,568 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 30% potential price decrease (฿10,282 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 1 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 - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 2/9

02:35-17:14

2 stops28h 39m

Portland

Sat 3/10

07:00-23:35

2 stops26h 35m

฿36,086

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 10/9

09:35-22:45

2 stops27h 10m

Portland

Thu 17/9

13:03-09:35

3 stops30h 32m

฿37,054

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 5/11

09:10-21:02

2 stops26h 52m

Portland

Sat 7/11

15:40-11:30

3 stops28h 50m

฿37,155

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 28/8

15:45-12:00

3 stops34h 15m

Portland

Sat 29/8

15:43-04:35

2 stops46h 52m

฿37,389
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 3/9

07:00-18:19

3 stops25h 19m

Portland

Mon 28/9

19:29-09:35

2 stops24h 06m

฿37,422

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 3/9

07:00-18:19

3 stops25h 19m

Portland

Sun 27/9

19:29-09:35

2 stops24h 06m

฿37,422

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 28/8

15:45-10:11

3 stops32h 26m

Portland

Fri 4/9

05:30-04:35

2 stops33h 05m

฿37,522

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 14/8

07:00-00:37

2 stops31h 37m

Portland

Tue 8/9

13:03-09:35

3 stops30h 32m

฿42,300

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 18/8

07:00-20:31

2 stops27h 31m

Portland

Tue 15/9

13:03-09:35

3 stops30h 32m

฿44,305
Cheapest one-way
Fastest single journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 10/11

08:25-14:41

1 stop21h 16m

฿17,775

Flights are sorted by cheapest return flights first.

Deals found on 28/7

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 19 hours 48 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 ฿7,265, while return flights cost around ฿12,496.

  • How much is a return flight to Portland?

    A return flight to Portland will typically cost around ฿13,222, however they can be found for as little as ฿12,496.

  • 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 48 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

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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?

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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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