In terms of precipitation, rainfall in Ko Phi Phi ranges from 1.2 - 16.1 inches per month. September is typically the wettest month, when rainfall can reach 16.1 in. January is typically the driest time to visit Ko Phi Phi when rainfall is around 1.2 in.

If weather is an important factor for your trip to Ko Phi Phi, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

What is the cheapest time of day to fly from PDX to K33?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Ko Phi Phi as you normally would.

What airport do you fly from for flights from Portland to Ko Phi Phi?

Most people fly from Portland (PDX) if they book a flight from Portland to Ko Phi Phi. On average, Portland has 0 outbound flights to Ko Phi Phi per day from 2 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

Can I find deals for flights from Portland to Ko Phi Phi that include hotel bookings?

Yes. In addition to deals on Portland to Ko Phi Phi flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Ko Phi Phi?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ko Phi Phi.

Can I find deals for business class flights from Portland to Ko Phi Phi?

Yes. Cheapflights offers flight deals from Portland to Ko Phi Phi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Most accurate provider	FlightHub 3 stars
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Popular in	May
Cheapest in	October
Average price	$999

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Highest demand for flights based on searches. 19% potential increase in price ($298 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($72 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Ko Phi Phi

Read reviews from past customers who have flown Singapore Airlines and Cathay Pacific from Portland to Ko Phi Phi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very good

1,621 reviews

Reviews

1 / 20

10.0

Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Singapore Airlines

8.2

Very good

1,621 reviews

Singapore Airlines

8.2

Very good

1,621 reviews

Reviews

1 / 20

10.0

Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Cathay Pacific

7.6

Good

1,507 reviews

Singapore Airlines

8.2

Very good

1,621 reviews

Reviews

1 / 20

10.0

Excellent

Judith,Sep 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Related info for your journey

What airport do you fly from for flights from Portland to Ko Phi Phi?
Most people fly from Portland (PDX) if they book a flight from Portland to Ko Phi Phi. On average, Portland has 0 outbound flights to Ko Phi Phi per day from 2 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.
Can I find deals for flights from Portland to Ko Phi Phi that include hotel bookings?
Yes. In addition to deals on Portland to Ko Phi Phi flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Ko Phi Phi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Ko Phi Phi.
Can I find deals for business class flights from Portland to Ko Phi Phi?
Yes. Cheapflights offers flight deals from Portland to Ko Phi Phi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 2 airlines flying from Portland to Ko Phi Phi

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$833	Average$1,060	FlexibilityNo cancel fee	On-time81%
Cathay Pacific	Cheapest$976	Average$1,094	FlexibilityNo cancel fee	On-time72%

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Find cheap flights from Portland to Ko Phi Phi with Cheapflights

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3. Compare prices and book

Find flight deals from Portland to Ko Phi Phi

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Popular in

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Reviews of airlines servicing Ko Phi Phi

Read reviews from past customers who have flown Singapore Airlines and Cathay Pacific from Portland to Ko Phi Phi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Portland to Ko Phi Phi?

Can I find deals for flights from Portland to Ko Phi Phi that include hotel bookings?

How can I find direct flights from Portland to Ko Phi Phi?

Can I find deals for business class flights from Portland to Ko Phi Phi?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Ko Phi Phi

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Phi Phi by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Ko Phi Phi by cabin class

Find flights from Portland to Ko Phi Phi, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Ko Phi Phi flights

Browse other Portland and Ko Phi Phi flight options. Last updated on October 4, 2026.

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Cheap flights from Portland (PDX) to Ko Phi Phi, Thailand

Find cheap flights from Portland to Ko Phi Phi with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Portland to Ko Phi Phi

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Reviews of airlines servicing Ko Phi Phi

Read reviews from past customers who have flown Singapore Airlines and Cathay Pacific from Portland to Ko Phi Phi. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Portland to Ko Phi Phi?

Can I find deals for flights from Portland to Ko Phi Phi that include hotel bookings?

How can I find direct flights from Portland to Ko Phi Phi?

Can I find deals for business class flights from Portland to Ko Phi Phi?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Ko Phi Phi

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Phi Phi by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Ko Phi Phi by cabin class

Find flights from Portland to Ko Phi Phi, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Ko Phi Phi flights

Browse other Portland and Ko Phi Phi flight options. Last updated on October 4, 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Portland to Ko Phi Phi flights

Consider these flights traveling from Portland to Ko Phi Phi.

Top 2 airlines flying from Portland to Ko Phi Phi

100% Free

Book with Flexibility

Travel Smart