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฿4,372+ 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 28/5. 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
6 May — 13 May1
1 adult

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 1 May 2025.

Good round-trip deal

฿9,219 or less

Good one-way deal

฿7,954 or less
Price to beat on a round-trip flight from Portland.
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Price to beat on a one-way flight from Portland.
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Find flights from Portland

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 1 May 2025.

Tue 23/919:34PDX - CNX
2 stops30h 46mSTARLUX Airlines
Tue 30/917:20CNX - PDX
2 stops42h 05mSTARLUX Airlines
Deal found 30/4฿31,108
Tue 26/805:30PDX - CNX
2 stops26h 25mเดลต้า
Sun 14/923:15CNX - PDX
2 stops35h 34mเดลต้า
Deal found 30/4฿31,875
Tue 13/509:10PDX - BKK
2 stops24h 30mKorean Air
Sun 1/621:40BKK - PDX
2 stops31h 10mKorean Air
Deal found 30/4฿32,042
Mon 22/919:35PDX - BKK
2 stops43h 00mUnited Airlines
Thu 2/1009:35BKK - PDX
2 stops25h 06mUnited Airlines
Deal found 30/4฿32,076
Wed 24/913:24PDX - BKK
2 stops26h 51mQatar Airways
Fri 3/1002:30BKK - PDX
2 stops35h 23mQatar Airways
Deal found 30/4฿32,142
Fri 26/921:30PDX - BKK
2 stops24h 30mSTARLUX Airlines
Sat 4/1013:10BKK - PDX
2 stops23h 16mSTARLUX Airlines
Deal found 30/4฿33,010
Thu 31/721:30PDX - BKK
2 stops46h 15mChina Airlines
Wed 3/913:20BKK - PDX
2 stops34h 05mChina Airlines
Deal found 30/4฿33,144
Sun 19/1009:10PDX - BKK
2 stops22h 35mเดลต้า
Sun 26/1023:15BKK - PDX
2 stops31h 51mเดลต้า
Deal found 30/4฿33,211
Sat 30/817:10PDX - CNX
2 stops38h 45mKorean Air
Wed 17/923:15CNX - PDX
2 stops37h 05mKorean Air
Deal found 30/4฿33,377
Wed 27/814:30PDX - CNX
2 stops29h 50mChina Airlines
Wed 17/911:20CNX - PDX
2 stops36h 27mChina Airlines
Deal found 30/4฿33,444
Thu 16/1008:00PDX - BKK
2 stops25h 30mEVA Air
Sun 9/1102:15BKK - PDX
2 stops26h 04mEVA Air
Deal found 30/4฿33,611
Wed 3/907:45PDX - CNX
3 stops37h 30mMultiple Airlines
Wed 24/920:00CNX - PDX
3 stops32h 43mMultiple Airlines
Deal found 30/4฿33,745

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 1 May 2025. 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

Tue 23/9

19:34-16:20

2 stops30h 46m

Chiang Mai

Tue 30/9

17:20-21:25

2 stops42h 05m

฿31,108

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 26/8

07:10-21:55

2 stops24h 45m

Chiang Mai

Wed 17/9

23:15-19:13

2 stops33h 58m

฿31,875

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 13/5

09:10-23:40

2 stops24h 30m

Bangkok Suvarnabhumi

Sun 1/6

21:40-14:50

2 stops31h 10m

฿32,042

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 22/9

19:35-04:35

2 stops43h 00m

Bangkok Suvarnabhumi

Thu 2/10

09:35-20:41

2 stops25h 06m

฿32,076

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 24/9

13:24-06:15

2 stops26h 51m

Bangkok Suvarnabhumi

Fri 3/10

02:30-23:53

2 stops35h 23m

฿32,142

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 26/9

21:30-12:00

2 stops24h 30m

Bangkok Suvarnabhumi

Sat 4/10

13:10-22:26

2 stops23h 16m

฿33,010

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 31/7

21:30-09:45

2 stops46h 15m

Bangkok Suvarnabhumi

Wed 3/9

13:20-09:25

2 stops34h 05m

฿33,144

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 19/10

09:10-21:45

2 stops22h 35m

Bangkok Suvarnabhumi

Sun 26/10

23:15-17:06

2 stops31h 51m

฿33,211

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 30/8

17:10-21:55

2 stops38h 45m

Chiang Mai

Wed 17/9

23:15-22:20

2 stops37h 05m

฿33,377

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 27/8

14:30-10:20

2 stops29h 50m

Chiang Mai

Wed 17/9

11:20-09:47

2 stops36h 27m

฿33,444

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 48 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 25 April 2025.

Booking 64 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 ฿8,845). Flying from Portland in June will prove the most costly (average of ฿42,790). 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 (480 flights per day), Los Angeles (431 flights per day) and San Francisco (252 flights per day).

Los Angeles

Los Angeles

From ฿231

New York

New York

From ฿276

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From ฿1,602

What is the cheapest place to fly to from Portland?

The cheapest city to fly to from Portland is Los Angeles, with prices starting at ฿7,723. Explore other affordable destinations below.

Los Angeles

Los Angeles

From ฿231

New York

New York

From ฿276

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From ฿1,602

Airline reviews for flights from Portland

Get insights into the airlines that provide service from Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Portland. In the last 7 days, Cheapflights users made a total of 17,341 searches.
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very Good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very Good
1,068 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very Good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very Good
732 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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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 1 May 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 ฿7,723 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿40,048 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 ฿33,576

  • 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 ฿28,304

  • 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.

See more FAQs

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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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