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฿4,250+ 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 23/12. 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
4 Dec — 11 Dec1
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 4 November 2025.

Good round-trip deal

฿10,946 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 4 November 2025.

Mon 16/217:30PDX - BKK
2 stops28h 05mSTARLUX Airlines
Mon 2/313:45BKK - PDX
2 stops19h 14mSTARLUX Airlines
Deal found 3/11฿25,242
Fri 23/121:30PDX - BKK
2 stops48h 35mChina Airlines
Sat 31/102:35BKK - PDX
2 stops46h 00mChina Airlines
Deal found 4/11฿25,307
Thu 4/1217:41PDX - BKK
2 stops25h 09mChina Airlines
Tue 16/1210:55BKK - PDX
2 stops37h 41mChina Airlines
Deal found 3/11฿25,339
Wed 14/117:51PDX - BKK
2 stops31h 39mMultiple Airlines
Wed 18/217:40BKK - PDX
2 stops31h 07mMultiple Airlines
Deal found 3/11฿25,404
Tue 6/117:50PDX - BKK
2 stops27h 45mMultiple Airlines
Thu 29/113:45BKK - PDX
2 stops22h 02mMultiple Airlines
Deal found 2/11฿25,534
Fri 23/117:35PDX - BKK
2 stops31h 55mSTARLUX Airlines
Fri 6/213:45BKK - PDX
2 stops22h 02mSTARLUX Airlines
Deal found 3/11฿25,566
Sun 1/310:35PDX - BKK
2 stops30h 50mSingapore Airlines
Wed 11/321:10BKK - PDX
2 stops29h 26mSingapore Airlines
Deal found 4/11฿25,631
Tue 27/117:51PDX - BKK
2 stops24h 59mChina Airlines
Mon 9/202:35BKK - PDX
2 stops53h 14mChina Airlines
Deal found 3/11฿25,664
Tue 17/214:45PDX - BKK
2 stops30h 50mSTARLUX Airlines
Sun 1/317:40BKK - PDX
2 stops39h 19mSTARLUX Airlines
Deal found 3/11฿25,696
Sat 10/114:30PDX - BKK
2 stops31h 05mMultiple Airlines
Fri 30/113:45BKK - PDX
2 stops22h 02mMultiple Airlines
Deal found 4/11฿25,826
Fri 30/114:57PDX - BKK
2 stops43h 38mChina Airlines
Thu 19/202:35BKK - PDX
2 stops46h 00mChina Airlines
Deal found 4/11฿25,891
Thu 15/110:33PDX - CNX
2 stops32h 52mChina Airlines
Wed 25/211:25CNX - PDX
2 stops38h 22mChina Airlines
Deal found 2/11฿27,026

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 4 November 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

Fri 5/12

17:41-09:50

2 stops25h 09m

Bangkok Suvarnabhumi

Mon 8/12

17:50-09:36

2 stops30h 46m

฿26,313

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 15/1

14:30-10:25

2 stops28h 55m

Chiang Mai

Wed 25/2

11:25-10:47

2 stops38h 22m

฿27,026

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 24/1

13:35-11:25

3 stops30h 50m

Bangkok Suvarnabhumi

Thu 5/2

16:55-12:33

3 stops34h 38m

฿27,902

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 22/1

07:45-11:25

3 stops36h 40m

Bangkok Suvarnabhumi

Fri 6/2

16:55-12:33

3 stops34h 38m

฿27,902

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 12/1

16:51-10:25

2 stops26h 34m

Chiang Mai

Mon 16/2

17:35-10:47

2 stops32h 12m

฿27,902

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 22/1

13:35-11:25

3 stops30h 50m

Bangkok Suvarnabhumi

Tue 10/2

16:55-12:33

3 stops34h 38m

฿27,902

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 1/5

07:30-23:55

2 stops26h 25m

Bangkok Suvarnabhumi

Tue 12/5

15:40-12:25

3 stops34h 45m

฿28,032

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 31/3

05:35-09:45

2 stops38h 10m

Bangkok Suvarnabhumi

Tue 14/4

15:40-12:25

3 stops34h 45m

฿28,162

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 14/4

07:30-09:45

2 stops36h 15m

Bangkok Suvarnabhumi

Fri 8/5

15:40-12:25

3 stops34h 45m

฿28,162

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 17/11

07:30-11:25

2 stops36h 55m

Bangkok Suvarnabhumi

Wed 3/12

16:55-11:03

3 stops33h 08m

฿28,162

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 54 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 31 October 2025.

Booking 9 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 ฿7,365). Flying from Portland in June will prove the most costly (average of ฿31,763). 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 Seattle (382 flights per day), Los Angeles (356 flights per day) and San Francisco (323 flights per day).

Salt Lake City
Salt Lake City
From ฿10,946
Los Angeles
Los Angeles
From ฿71,816

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 ฿10,946. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From ฿10,946
Los Angeles
Los Angeles
From ฿71,816

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from Oregon

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Direct flights from Portland
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Direct flights from Fort Lauderdale
Direct flights from Norfolk
Direct flights from Cleveland
Direct flights from Nashville
Direct flights from Charleston
Direct flights from Kansas City
Direct flights from San Antonio
Direct flights from Bozeman

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 4 November 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, Atlanta, Austin. 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 ฿10,946 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿41,489 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 ฿32,638
    Fly Portland to London Heathrow Airport from ฿75,680

  • 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 ฿24,334

  • 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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