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฿16,801+ 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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
— PDX
23 Apr — 30 Apr1
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 24 March 2026.

Wed 6/521:40
BKK
-
PDX
2 stops31h 08m
Korean Air
Sat 15/811:10
PDX
-
BKK
2 stops22h 25m
Korean Air
Deal found 23/3฿28,481
Tue 20/1002:35
BKK
-
PDX
2 stops33h 51m
Korean Air
Sat 24/1009:40
PDX
-
BKK
2 stops25h 05m
Korean Air
Deal found 23/3฿28,709
Sun 23/816:45
BKK
-
PDX
2 stops31h 01m
Multiple Airlines
Sun 10/117:35
PDX
-
BKK
2 stops26h 35m
Multiple Airlines
Deal found 21/3฿29,003
Tue 25/816:45
BKK
-
PDX
2 stops21h 30m
Multiple Airlines
Tue 12/119:40
PDX
-
BKK
2 stops24h 30m
Multiple Airlines
Deal found 21/3฿30,210
Tue 5/512:25
BKK
-
PDX
2 stops23h 48m
Multiple Airlines
Tue 12/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 22/3฿30,797
Sun 3/501:35
BKK
-
PDX
2 stops25h 51m
Multiple Airlines
Mon 11/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Deal found 20/3฿31,123
Mon 11/523:30
BKK
-
PDX
2 stops30h 52m
Korean Air
Tue 2/611:20
PDX
-
BKK
2 stops23h 45m
Korean Air
Deal found 23/3฿31,972
Mon 11/516:45
BKK
-
PDX
2 stops37h 37m
Multiple Airlines
Tue 2/617:46
PDX
-
BKK
2 stops29h 19m
Multiple Airlines
Deal found 23/3฿32,004
Mon 4/516:45
BKK
-
PDX
2 stops35h 02m
Multiple Airlines
Mon 8/617:46
PDX
-
BKK
2 stops27h 34m
Multiple Airlines
Deal found 21/3฿32,135
Wed 21/1018:30
BKK
-
PDX
2 stops29h 01m
แอร์แคนาดา
Sat 24/1010:10
PDX
-
BKK
1 stop29h 20m
แอร์แคนาดา
Deal found 23/3฿32,167

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 24 March 2026.

Return from

฿28,481

One-way from

฿16,801

Popular in

February

Cheapest in

August

Average price

฿31,645
Korean Air
  • Korean Air
  • 6/5-15/8
  • 4 total stops
  • 53h 33m total
  • Bangkok to Portland
Search Deals
เดลต้า
  • เดลต้า
  • 21/4
  • 2 total stops
  • 38h 26m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿2,479 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿607 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 24 March 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

Wed 6/5

21:40-14:48

2 stops31h 08m

Portland

Sat 15/8

11:10-01:05

2 stops23h 55m

฿28,579

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 12/5

17:30-09:47

2 stops30h 17m

Portland

Wed 3/6

17:00-09:45

3 stops26h 45m

฿38,920

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

15:45-15:03

2 stops37h 18m

Portland

Sat 15/8

15:43-09:35

3 stops27h 52m

฿41,530

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 10/8

20:00-16:59

2 stops34h 59m

Portland

Thu 8/10

10:30-06:20

2 stops29h 50m

฿43,357

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 14/8

20:00-16:59

2 stops34h 59m

Portland

Thu 8/10

10:30-06:20

2 stops29h 50m

฿44,140

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 4/5

01:45-19:34

2 stops31h 49m

Portland

Sat 6/6

05:00-12:55

2 stops41h 55m

฿44,336

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 1/5

01:45-19:34

2 stops31h 49m

Portland

Tue 9/6

05:00-07:05

2 stops36h 05m

฿44,336

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 21/4

15:45-16:33

2 stops38h 48m

Portland

Tue 28/4

19:14-09:35

3 stops48h 21m

฿44,760

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

17:30-10:25

2 stops30h 55m

Portland

Thu 17/9

17:40-09:45

2 stops26h 05m

฿50,176
Cheapest one-way

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

21:40-23:55

2 stops40h 15m

฿18,204

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 18 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 22 hours 9 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 airlines flying from Bangkok to Portland are Korean Air and Japan Airlines.

Korean Air
Korean Air
From ฿25,555
Japan Airlines
Japan Airlines
From ฿31,844

What are the cheapest airlines that fly to Portland?

The cheapest airlines flying from Bangkok to Portland are Korean Air, STARLUX Airlines and Japan Airlines.

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 24 March 2026.
See what other customers who have flown with STARLUX Airlines,Korean Air, andJapan Airlines to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

8.8

Food

8.7

Overall

9.0

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

8.8

Food

8.7

Overall

9.0

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Korean Air
8.4
Very Good
1,202 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

8.8

Food

8.7

Overall

9.0

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Japan Airlines
8.3
Very Good
1,748 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

8.8

Food

8.7

Overall

9.0

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 ฿6,787, while return flights cost around ฿12,201.

  • 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 (22 hours 9 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wilsonville

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