฿4,015+ 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 10/3. 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
9 Mar — 16 Mar1
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 7 February 2026.

Good round-trip deal

฿10,665 or less
Price to beat on a round-trip flight 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 7 February 2026.

Mon 9/317:39
PDX
-
HKT
2 stops27h 41m
Multiple Airlines
Mon 16/318:35
HKT
-
PDX
2 stops30h 21m
Multiple Airlines
Deal found 5/2฿25,573
Thu 5/315:52
PDX
-
CNX
2 stops33h 03m
STARLUX Airlines
Thu 12/316:55
CNX
-
PDX
2 stops43h 46m
STARLUX Airlines
Deal found 3/2฿26,585
Sun 1/321:30
PDX
-
HKT
2 stops53h 05m
Cathay Pacific
Mon 9/312:20
HKT
-
PDX
2 stops35h 22m
Cathay Pacific
Deal found 4/2฿27,059
Thu 7/519:18
PDX
-
BKK
2 stops26h 52m
Multiple Airlines
Fri 22/507:05
BKK
-
PDX
1 stop26h 00m
Multiple Airlines
Deal found 3/2฿27,912
Fri 1/514:50
PDX
-
HKT
2 stops30h 00m
Singapore Airlines
Thu 14/520:10
HKT
-
PDX
2 stops34h 40m
Singapore Airlines
Deal found 7/2฿28,102
Thu 19/207:05
PDX
-
BKK
2 stops25h 35m
EVA Air
Tue 10/302:15
BKK
-
PDX
2 stops25h 22m
EVA Air
Deal found 6/2฿28,102
Thu 14/507:00
PDX
-
BKK
2 stops26h 30m
Multiple Airlines
Sun 17/515:20
BKK
-
PDX
2 stops36h 23m
Multiple Airlines
Deal found 4/2฿28,134
Tue 3/314:30
PDX
-
HKT
2 stops29h 50m
Cathay Pacific
Tue 10/312:20
HKT
-
PDX
2 stops35h 22m
Cathay Pacific
Deal found 4/2฿28,165
Thu 19/207:05
PDX
-
BKK
2 stops26h 10m
Cathay Pacific
Sat 7/316:55
BKK
-
PDX
2 stops30h 47m
Cathay Pacific
Deal found 7/2฿28,165
Sun 17/514:48
PDX
-
BKK
2 stops28h 57m
Multiple Airlines
Sat 30/517:30
BKK
-
PDX
2 stops30h 02m
Multiple Airlines
Deal found 6/2฿28,197
Sun 26/417:30
PDX
-
BKK
2 stops28h 30m
STARLUX Airlines
Thu 30/413:10
BKK
-
PDX
2 stops23h 43m
STARLUX Airlines
Deal found 4/2฿28,260
Wed 6/515:25
PDX
-
BKK
1 stop23h 40m
ANA
Wed 10/607:05
BKK
-
PDX
1 stop26h 00m
ANA
Deal found 4/2฿28,481

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 7 February 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

฿26,585

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Fri 1/5

14:50-10:50

2 stops30h 00m

Phuket City

Thu 14/5

20:10-16:50

2 stops34h 40m

฿28,102

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 9/3

19:57-12:35

2 stops26h 38m

Bangkok Suvarnabhumi

Thu 12/3

17:40-22:41

2 stops43h 01m

฿28,102

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 3/3

14:30-11:20

2 stops29h 50m

Phuket City

Tue 10/3

12:20-09:42

2 stops35h 22m

฿28,165

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 25/4

17:51-10:20

2 stops26h 29m

Chiang Mai

Sun 10/5

11:20-09:38

2 stops36h 18m

฿29,114

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Tue 17/3

07:16-22:00

2 stops48h 44m

Phuket City

Wed 1/4

00:20-23:58

2 stops37h 38m

฿29,430

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 25/4

19:18-10:20

2 stops25h 02m

Chiang Mai

Sun 10/5

11:20-09:38

2 stops36h 18m

฿29,493

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 9/3

07:16-17:35

2 stops44h 19m

Phuket City

Tue 24/3

12:20-09:50

2 stops35h 30m

฿29,778

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 1/3

15:52-16:30

2 stops33h 38m

Bangkok Suvarnabhumi

Sat 21/3

17:40-21:38

2 stops41h 58m

฿30,220

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 8/3

21:19-09:50

2 stops22h 31m

Bangkok Suvarnabhumi

Sun 15/3

17:50-22:41

2 stops18h 51m

฿30,283

Flights are sorted by cheapest return flights first.

Deals found on 5/2

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 30 January 2026.

Booking 13 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 ฿8,567). Flying from Portland in June will prove the most costly (average of ฿28,450). 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 (341 flights per day), Seattle (335 flights per day) and San Francisco (265 flights per day).

Salt Lake City
Salt Lake City
From ฿10,665
Denver Intl
Denver Intl
From ฿17,871
Los Angeles
Los Angeles
From ฿69,971

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 ฿10,665. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From ฿10,665
Denver Intl
Denver Intl
From ฿17,871
Los Angeles
Los Angeles
From ฿69,971

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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 7 February 2026.

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

    The most selected flight destinations from Portland for the current month are Austin, 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 ฿10,665 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿32,990 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 ฿73,736

  • 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 ฿21,559

  • 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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