฿4,343+ 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 7/4. 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
19 Feb — 26 Feb1
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 20 January 2026.

Good round-trip deal

฿10,542 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 20 January 2026.

Thu 5/315:52
PDX
-
CNX
2 stops33h 03m
STARLUX Airlines
Thu 12/316:55
CNX
-
PDX
2 stops43h 46m
STARLUX Airlines
Deal found 19/1฿27,435
Sun 22/221:30
PDX
-
BKK
2 stops45h 20m
China Airlines
Sat 14/317:50
BKK
-
PDX
2 stops29h 45m
China Airlines
Deal found 18/1฿27,810
Fri 30/107:20
PDX
-
BKK
2 stops25h 20m
Multiple Airlines
Sun 1/202:15
BKK
-
PDX
2 stops26h 15m
Multiple Airlines
Deal found 19/1฿27,872
Mon 20/407:15
PDX
-
BKK
3 stops36h 20m
United Airlines
Thu 30/415:45
BKK
-
PDX
2 stops43h 13m
United Airlines
Deal found 19/1฿27,935
Sun 1/319:57
PDX
-
BKK
3 stops48h 28m
United Airlines
Thu 16/415:45
BKK
-
PDX
2 stops22h 59m
United Airlines
Deal found 20/1฿27,997
Tue 10/205:35
PDX
-
BKK
2 stops38h 50m
United Airlines
Thu 30/415:45
BKK
-
PDX
2 stops43h 13m
United Airlines
Deal found 18/1฿28,060
Mon 16/315:52
PDX
-
BKK
2 stops31h 13m
China Airlines
Sun 5/402:40
BKK
-
PDX
2 stops44h 55m
China Airlines
Deal found 19/1฿28,278
Tue 10/207:20
PDX
-
BKK
2 stops25h 20m
EVA Air
Wed 29/401:35
BKK
-
PDX
2 stops25h 51m
EVA Air
Deal found 19/1฿28,341
Sat 11/407:15
PDX
-
BKK
3 stops36h 20m
United Airlines
Wed 27/509:35
BKK
-
PDX
2 stops25h 10m
United Airlines
Deal found 19/1฿28,372
Fri 30/121:30
PDX
-
BKK
2 stops52h 15m
China Airlines
Tue 10/202:35
BKK
-
PDX
2 stops35h 57m
China Airlines
Deal found 20/1฿28,403
Sat 28/217:30
PDX
-
BKK
2 stops49h 20m
China Airlines
Fri 13/302:35
BKK
-
PDX
2 stops45h 00m
China Airlines
Deal found 18/1฿28,435
Mon 13/407:15
PDX
-
BKK
3 stops36h 20m
United Airlines
Fri 15/507:00
BKK
-
PDX
2 stops27h 58m
United Airlines
Deal found 19/1฿28,466

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 20 January 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Thu 5/3

15:52-15:55

2 stops33h 03m

Chiang Mai

Thu 12/3

16:55-22:41

2 stops43h 46m

฿27,435

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 1/3

19:57-11:25

3 stops48h 28m

Bangkok Suvarnabhumi

Thu 16/4

15:45-00:44

2 stops22h 59m

฿27,997

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 10/2

05:35-11:25

2 stops38h 50m

Bangkok Suvarnabhumi

Thu 30/4

15:45-20:58

2 stops43h 13m

฿28,060

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 6/4

15:30-09:35

3 stops52h 05m

Bangkok Suvarnabhumi

Mon 27/4

15:45-18:07

2 stops40h 22m

฿28,122

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 11/4

07:15-09:35

3 stops36h 20m

Bangkok Suvarnabhumi

Wed 27/5

09:35-20:45

2 stops25h 10m

฿28,372

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 13/4

07:15-09:35

3 stops36h 20m

Bangkok Suvarnabhumi

Fri 15/5

15:45-12:34

3 stops34h 49m

฿28,716

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 31/1

13:35-11:25

3 stops30h 50m

Bangkok Suvarnabhumi

Thu 5/2

16:55-00:39

2 stops22h 44m

฿28,997

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 14/2

15:40-11:25

2 stops52h 45m

Bangkok Suvarnabhumi

Sun 15/3

16:55-12:33

2 stops33h 38m

฿28,997

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 31/1

13:35-11:25

3 stops30h 50m

Bangkok Suvarnabhumi

Tue 3/2

16:55-00:31

2 stops22h 36m

฿28,997

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Fri 30/1

09:50-22:05

2 stops21h 15m

Bangkok Don Mueang Intl

Mon 2/2

08:45-18:30

2 stops24h 45m

฿29,091

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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 16 January 2026.

Booking 22 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 ฿7,593). Flying from Portland in June will prove the most costly (average of ฿28,122). 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 (365 flights per day), San Francisco (329 flights per day) and Los Angeles (322 flights per day).

Salt Lake City
Salt Lake City
From ฿10,542
Denver Intl
Denver Intl
From ฿17,665
Los Angeles
Los Angeles
From ฿69,165

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 ฿10,542. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From ฿10,542
Denver Intl
Denver Intl
From ฿17,665
Los Angeles
Los Angeles
From ฿69,165

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Direct flights from Fort Lauderdale
Direct flights from Charleston
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Direct flights from Omaha
Direct flights from San Antonio
Direct flights from Norfolk

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 20 January 2026.

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

    The most selected flight destinations from Portland for the current month are Atlanta, Burbank, Bangkok Suvarnabhumi Airport. 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 ฿10,542 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿32,610 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 London Heathrow Airport from ฿72,886

  • 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 ฿24,060

  • 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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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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