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฿4,270+ Cheap flights from Portland

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — BKK
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Portland

Discover essential information about flights departing from Portland, including flight schedules, destinations, airlines operating at the Portland airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 9 December 2025.

Good round-trip deal

฿10,749 or less
Price to beat on a round-trip flight from Portland.
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Find flights from Portland

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Cheapest flights from Portland
Explore the most affordable flight options available from Portland. Find the lowest fares based on data from user searches, with prices last updated on 9 December 2025.

Wed 25/221:19PDX - BKK
2 stops31h 41mSingapore Airlines
Sun 8/312:00BKK - PDX
2 stops35h 35mSingapore Airlines
Deal found 7/12฿25,044
Mon 9/221:30PDX - BKK
2 stops31h 30mSingapore Airlines
Mon 2/321:10BKK - PDX
2 stops31h 27mSingapore Airlines
Deal found 8/12฿25,203
Thu 22/107:10PDX - BKK
2 stops26h 35mKorean Air
Thu 29/109:40BKK - PDX
2 stops24h 09mKorean Air
Deal found 8/12฿25,331
Wed 4/321:19PDX - BKK
2 stops31h 41mSingapore Airlines
Fri 13/315:50BKK - PDX
2 stops31h 45mSingapore Airlines
Deal found 7/12฿25,745
Thu 22/107:10PDX - BKK
2 stops26h 35mKorean Air
Wed 4/202:05BKK - PDX
2 stops25h 39mKorean Air
Deal found 7/12฿25,809
Sun 18/113:38PDX - BKK
2 stops36h 07mChina Airlines
Thu 5/217:50BKK - PDX
2 stops19h 56mChina Airlines
Deal found 9/12฿26,382
Fri 23/114:57PDX - BKK
2 stops43h 38mChina Airlines
Thu 5/217:50BKK - PDX
2 stops19h 56mChina Airlines
Deal found 7/12฿26,414
Tue 27/110:33PDX - BKK
3 stops30h 17mMultiple Airlines
Mon 23/220:50BKK - PDX
3 stops51h 52mMultiple Airlines
Deal found 6/12฿26,510
Tue 10/217:51PDX - BKK
2 stops28h 14mChina Airlines
Tue 24/217:50BKK - PDX
2 stops20h 54mChina Airlines
Deal found 9/12฿26,541
Sat 11/417:30PDX - BKK
2 stops32h 50mChina Airlines
Mon 27/417:30BKK - PDX
2 stops29h 35mChina Airlines
Deal found 8/12฿26,573
Thu 5/216:51PDX - BKK
2 stops25h 59mChina Airlines
Thu 12/214:05BKK - PDX
2 stops33h 44mChina Airlines
Deal found 7/12฿26,701
Tue 27/117:35PDX - BKK
2 stops32h 10mChina Airlines
Wed 8/417:30BKK - PDX
2 stops30h 19mChina Airlines
Deal found 6/12฿26,733

Find flights from Portland within your budget

 
Find flights departing from Portland that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 9 December 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 5/5

07:10-23:40

2 stops26h 30m

Bangkok Suvarnabhumi

Sun 17/5

02:35-16:33

2 stops27h 58m

฿26,988

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 31/3

17:30-09:45

2 stops26h 15m

Bangkok Suvarnabhumi

Tue 14/4

13:20-22:21

2 stops23h 01m

฿27,051

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 6/5

09:40-23:40

2 stops24h 00m

Bangkok Suvarnabhumi

Mon 18/5

21:40-13:17

2 stops29h 37m

฿27,147

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 6/4

17:30-09:45

2 stops26h 15m

Bangkok Suvarnabhumi

Mon 20/4

13:20-00:03

2 stops24h 43m

฿27,211

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/5

05:30-23:55

2 stops28h 25m

Bangkok Suvarnabhumi

Mon 18/5

09:35-00:48

2 stops29h 13m

฿27,242

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 17/3

10:40-00:45

2 stops24h 05m

Bangkok Suvarnabhumi

Tue 7/4

21:40-16:56

2 stops33h 16m

฿27,306

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/2

07:10-00:45

2 stops26h 35m

Bangkok Suvarnabhumi

Sun 15/2

02:05-12:42

2 stops25h 37m

฿27,465

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 26/1

07:10-23:20

2 stops25h 10m

Bangkok Suvarnabhumi

Wed 28/1

00:55-16:30

2 stops30h 35m

฿27,465

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 12/1

16:51-10:25

2 stops26h 34m

Chiang Mai

Mon 16/2

17:35-09:42

2 stops31h 07m

฿27,625

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 15/3

19:58-22:55

2 stops36h 57m

Chiang Mai

Wed 18/3

00:15-22:23

2 stops36h 08m

฿27,688

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 60 results
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Best time to book a flight from Portland

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Portland

Get recent, data-driven insights about flights from Portland including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Portland?

Use this chart to determine the optimal time to book a return flight from Portland to Suvarnabhumi. Price data was last updated on 5 December 2025.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland?

Currently, July is the cheapest month in which you can book a flight from Portland (average of ฿7,392). Flying from Portland in June will prove the most costly (average of ฿30,715). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Portland?

If you’re flying from Portland, these routes are more frequently taken by airlines Los Angeles (379 flights per day), Seattle (355 flights per day) and San Francisco (296 flights per day).

Salt Lake City
Salt Lake City
From ฿10,749
Denver Intl
Denver Intl
From ฿18,013
Los Angeles
Los Angeles
From ฿70,528

What is the cheapest place to fly to from Portland?

The cheapest city to fly to from Portland is Salt Lake City, with prices starting at ฿10,749. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From ฿10,749
Denver Intl
Denver Intl
From ฿18,013
Los Angeles
Los Angeles
From ฿70,528

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Direct flights from Oregon

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Direct flights from Cleveland
Direct flights from Fort Lauderdale
Direct flights from Anchorage
Direct flights from Charleston
Direct flights from Kansas City
Direct flights from Oklahoma City
Direct flights from Bozeman
Direct flights from San Antonio

Related info for your journey

Access useful and relevant information related to your journey from Portland. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 9 December 2025.

  • What are the most popular destinations to fly to from Portland?

    The most selected flight destinations from Portland for the current month are Boston, Chicago, Atlanta. While Boston, Chicago, Atlanta are the top choices made by travellers year-round.

  • What is the cheapest flight from Portland to anywhere?

    Users have flown out of Portland for as low as ฿10,749 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿33,253 to fly from Portland.

  • What is the cheapest premium economy flight from Portland?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Portland may suit your needs. The cheapest premium economy flights from Portland are:
    Fly Portland to Houston George Bush Intcntl Airport from ฿32,052
    Fly Portland to London Heathrow Airport from ฿74,322

  • What is the cheapest month to fly from Portland?

    At the present moment the cheapest month to fly from Portland is currently July; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Portland?

    Here are some of the cheapest flight destinations from Portland:
    Fly from Portland to Bangkok from ฿25,044

  • How does Cheapflights help users find flights from Portland?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Portland?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland.

  • Can Cheapflights find flights from Portland with no change fees?

    Yes! Cheapflights helps users easily find flights from Portland with no change fees.

  • Can Cheapflights notify me if prices for flights from Portland become cheaper?

    Not ready to book yet? You can track prices for flights from Portland on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland.

Can Cheapflights find flights from Portland with no change fees?

Yes! Cheapflights helps users easily find flights from Portland with no change fees.

Can Cheapflights notify me if prices for flights from Portland become cheaper?

Not ready to book yet? You can track prices for flights from Portland on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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