฿4,324+ 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 1/4. 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
4 Apr — 11 Apr1
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 5 March 2026.

Good round-trip deal

฿10,649 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 5 March 2026.

Tue 17/314:47
PDX
-
BKK
2 stops31h 48m
Multiple Airlines
Thu 7/513:10
BKK
-
PDX
2 stops34h 28m
Multiple Airlines
Deal found 1/3฿26,452
Mon 20/409:54
PDX
-
HKT
2 stops34h 56m
Multiple Airlines
Thu 23/409:25
HKT
-
PDX
2 stops40h 25m
Multiple Airlines
Deal found 3/3฿26,673
Tue 21/421:30
PDX
-
BKK
2 stops29h 10m
STARLUX Airlines
Mon 20/717:50
BKK
-
PDX
2 stops42h 35m
STARLUX Airlines
Deal found 1/3฿26,673
Tue 5/517:51
PDX
-
BKK
2 stops25h 54m
Multiple Airlines
Sat 6/617:30
BKK
-
PDX
2 stops30h 17m
Multiple Airlines
Deal found 5/3฿26,925
Wed 13/514:51
PDX
-
BKK
2 stops28h 54m
Multiple Airlines
Mon 8/617:30
BKK
-
PDX
2 stops19h 34m
Multiple Airlines
Deal found 4/3฿26,957
Fri 1/517:49
PDX
-
BKK
2 stops25h 56m
Multiple Airlines
Wed 13/517:30
BKK
-
PDX
2 stops29h 59m
Multiple Airlines
Deal found 3/3฿27,020
Sun 29/314:42
PDX
-
BKK
2 stops31h 18m
Multiple Airlines
Thu 30/413:10
BKK
-
PDX
2 stops34h 28m
Multiple Airlines
Deal found 1/3฿27,051
Mon 30/321:30
PDX
-
BKK
2 stops29h 10m
STARLUX Airlines
Thu 30/417:50
BKK
-
PDX
2 stops29h 48m
STARLUX Airlines
Deal found 3/3฿27,178
Wed 6/505:20
PDX
-
BKK
3 stops38h 15m
United Airlines
Wed 20/509:35
BKK
-
PDX
2 stops29h 24m
United Airlines
Deal found 28/2฿27,335
Fri 17/414:42
PDX
-
BKK
2 stops35h 58m
Multiple Airlines
Sun 26/413:10
BKK
-
PDX
2 stops34h 28m
Multiple Airlines
Deal found 2/3฿27,367
Tue 17/314:47
PDX
-
BKK
2 stops35h 58m
China Airlines
Thu 7/510:50
BKK
-
PDX
2 stops36h 48m
China Airlines
Deal found 4/3฿27,430
Tue 28/413:52
PDX
-
BKK
2 stops32h 18m
China Airlines
Sat 30/502:40
BKK
-
PDX
2 stops45h 07m
China Airlines
Deal found 3/3฿27,462

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

Fly to

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/5

15:59-09:35

2 stops27h 36m

Bangkok Suvarnabhumi

Sun 7/6

09:35-20:54

2 stops49h 19m

฿27,462

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 20/4

17:49-10:20

2 stops26h 31m

Chiang Mai

Mon 4/5

11:20-09:30

2 stops36h 10m

฿28,409

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 6/5

07:15-09:35

3 stops36h 20m

Bangkok Suvarnabhumi

Mon 18/5

09:35-20:58

2 stops49h 23m

฿28,598

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 11/4

15:30-09:35

3 stops28h 05m

Bangkok Suvarnabhumi

Tue 21/4

15:45-00:44

2 stops22h 59m

฿29,229

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 11/4

07:15-09:35

3 stops36h 20m

Bangkok Suvarnabhumi

Mon 20/4

15:45-18:07

2 stops40h 22m

฿29,229

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Fri 1/5

17:51-10:20

2 stops26h 29m

Chiang Mai

Tue 12/5

11:20-08:02

2 stops34h 42m

฿30,618

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/8

05:15-23:55

3 stops28h 40m

Bangkok Suvarnabhumi

Thu 20/8

09:35-00:47

2 stops29h 12m

฿30,618

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 25/4

08:45-10:20

2 stops35h 35m

Chiang Mai

Sun 10/5

11:20-09:38

2 stops36h 18m

฿30,713

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sun 15/3

15:52-10:25

2 stops28h 33m

Chiang Mai

Sun 22/3

11:25-09:25

2 stops36h 00m

฿31,439

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 27/4

17:49-10:25

2 stops26h 36m

Chiang Mai

Mon 11/5

11:35-20:00

2 stops22h 25m

฿31,439

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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 27 February 2026.

Booking 73 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 ฿5,619). Flying from Portland in June will prove the most costly (average of ฿28,409). 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 (303 flights per day), Seattle (290 flights per day) and San Francisco (180 flights per day).

Salt Lake City
Salt Lake City
From ฿10,649
Denver Intl
Denver Intl
From ฿17,845
Los Angeles
Los Angeles
From ฿69,869

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 ฿10,649. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From ฿10,649
Denver Intl
Denver Intl
From ฿17,845
Los Angeles
Los Angeles
From ฿69,869

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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 5 March 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, Atlanta, Burbank. 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 ฿10,649 to Salt Lake City (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿32,943 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 ฿73,629

  • 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 ฿21,338

  • 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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