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Cheap flights from Portland to Kailua-Kona from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Kailua-Kona departing on 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Kailua-Kona

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:45 am - 2:44 pm
PDX
-
KOA
8h 59m1 stop
United Airlines Logo
2:35 pm - 12:34 am
KOA
-
PDX
7h 59m1 stop
$270United Airlines
Mon, Feb 2 - Thu, Feb 12
American Airlines Logo
7:00 am - 6:54 pm
PDX
-
KOA
13h 54m1 stop
American Airlines Logo
10:30 pm - 10:47 am
KOA
-
PDX
10h 17m1 stop
$273American Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
1:30 pm - 6:47 pm
PDX
-
KOA
31h 17m1 stop
Delta Logo
9:30 pm - 9:25 am
KOA
-
PDX
9h 55m1 stop
$274Delta
Sat, Jan 24 - Mon, Jan 26
Delta Logo
5:30 am - 6:30 pm
PDX
-
KOA
15h 00m2 stops
Delta Logo
9:45 pm - 9:25 am
KOA
-
PDX
9h 40m1 stop
$278Delta
Thu, Feb 26 - Wed, Mar 4
Delta Logo
1:30 pm - 6:47 pm
PDX
-
KOA
31h 17m1 stop
Delta Logo
9:30 pm - 12:44 pm
KOA
-
PDX
13h 14m2 stops
$280Delta
Sat, Jan 24 - Mon, Jan 26
Delta Logo
7:35 pm - 7:34 pm
PDX
-
KOA
25h 59m1 stop
Delta Logo
9:45 pm - 9:25 am
KOA
-
PDX
9h 40m1 stop
$281Delta
Sun, Feb 22 - Tue, Mar 3
Delta Logo
5:50 am - 3:51 pm
PDX
-
KOA
12h 01m1 stop
Delta Logo
7:40 pm - 12:35 pm
KOA
-
PDX
13h 55m1 stop
$283Delta
Thu, Jan 15 - Tue, Mar 31
Delta Logo
7:10 am - 6:30 pm
PDX
-
KOA
13h 20m2 stops
Delta Logo
9:30 pm - 12:44 pm
KOA
-
PDX
13h 14m2 stops
$284Delta
Tue, Jan 20 - Mon, Jan 26
Delta Logo
7:10 am - 6:30 pm
PDX
-
KOA
13h 20m2 stops
Delta Logo
8:55 pm - 12:32 pm
KOA
-
PDX
13h 37m1 stop
$286Delta
Sun, Feb 1 - Mon, Feb 9
United Airlines Logo
7:45 am - 2:44 pm
PDX
-
KOA
8h 59m1 stop
United Airlines Logo
2:34 pm - 12:39 am
KOA
-
PDX
8h 05m1 stop
$287United Airlines
Thu, Jan 29 - Sun, Feb 1

United Airlines flights from Portland to Kailua-Kona

Our best United Airlines deals on Portland to Kailua-Kona flight tickets
United Airlines
Jan 29
PDX7:45 amPortland
8h 59m
1 stop
KOA2:44 pmKona Intl
Feb 1
KOA2:34 pmKona Intl
8h 05m
1 stop
PDX12:39 amPortland
$287
Find similar
United Airlines
Jan 27
PDX5:35 amPortland
9h 22m
1 stop
KOA12:57 pmKona Intl
Jan 29
KOA2:34 pmKona Intl
8h 05m
1 stop
PDX12:39 amPortland
$317
Find similar

Southwest flights from Portland to Kailua-Kona

Our best Southwest deals on Portland to Kailua-Kona flight tickets
Southwest
Feb 26
PDX6:10 amPortland
9h 05m
1 stop
KOA1:15 pmKona Intl
Mar 4
KOA10:00 amKona Intl
9h 20m
1 stop
PDX9:20 pmPortland
$306
Find similar
Southwest
Feb 26
PDX7:25 amPortland
12h 45m
2 stops
KOA6:10 pmKona Intl
Mar 3
KOA10:00 amKona Intl
9h 20m
1 stop
PDX9:20 pmPortland
$311
Find similar
Southwest
Feb 26
PDX7:25 amPortland
12h 45m
2 stops
KOA6:10 pmKona Intl
Mar 4
KOA7:00 pmKona Intl
14h 10m
2 stops
PDX11:10 amPortland
$327
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Kailua-Kona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Portland to Kailua-Kona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 2/2

7:45 am-2:44 pm

1 stop8h 59m

Kona Intl

Thu 2/12

2:35 pm-12:34 am

1 stop7h 59m

$270

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Tue 2/24

7:00 am-6:54 pm

1 stop13h 54m

Kona Intl

Tue 3/3

10:30 pm-10:47 am

1 stop10h 17m

$273

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Sat 1/24

1:30 pm-6:47 pm

1 stop31h 17m

Kona Intl

Mon 1/26

9:30 pm-9:25 am

1 stop9h 55m

$274

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Thu 2/26

5:30 am-6:30 pm

2 stops15h 00m

Kona Intl

Wed 3/4

9:45 pm-9:25 am

1 stop9h 40m

$278

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Sat 1/24

1:30 pm-6:47 pm

1 stop31h 17m

Kona Intl

Mon 1/26

9:30 pm-12:44 pm

2 stops13h 14m

$280

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Sun 2/22

7:35 pm-7:34 pm

1 stop25h 59m

Kona Intl

Tue 3/3

9:45 pm-9:25 am

1 stop9h 40m

$281

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Thu 1/15

5:50 am-3:51 pm

1 stop12h 01m

Kona Intl

Tue 3/31

7:40 pm-12:35 pm

1 stop13h 55m

$283

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Tue 1/20

7:10 am-6:30 pm

2 stops13h 20m

Kona Intl

Mon 1/26

9:30 pm-12:44 pm

2 stops13h 14m

$284

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Sun 2/1

7:10 am-6:30 pm

2 stops13h 20m

Kona Intl

Mon 2/9

8:55 pm-12:32 pm

1 stop13h 37m

$286

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Thu 1/29

7:45 am-2:44 pm

1 stop8h 59m

Kona Intl

Sun 2/1

2:34 pm-12:39 am

1 stop8h 05m

$287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kailua-Kona from

How to get the cheapest flight ticket from Portland to Kailua-Kona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kailua-Kona?

The cheapest month to fly to Kailua-Kona from Portland is in January. Flight prices, which tend to average around $427, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Kailua-Kona, with average flight prices from Portland averaging around $437.

What is the cheapest day to depart on your flight to Kailua-Kona?

The cheapest day to depart on your flight to Kailua-Kona is on a Tuesday when prices can be found for as low as $540. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kailua-Kona on Saturday is $646.

What is the cheapest time of day to depart on your flight to Kailua-Kona?

Flying to Kailua-Kona from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $288 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Kailua-Kona is in the afternoon when prices are around $608.

What is the cheapest Portland to Kona Intl flight route?

Fly from Portland to Kona Intl for the best Portland - Kona Intl flight prices

How far in advance should I book a flight to Kailua-Kona?

You are more likely to see cheaper flights to Kailua-Kona from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Kailua-Kona for around $536 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kailua-Kona from Portland for as low as $446 on momondo.

What cabin class options are available on Portland to Kona Intl flights?

There are 4 cabin classes available to choose from on Portland to Kona Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to Kailua-Kona flights?

You could potentially save up to 35% on your flight if you consider stops on a Portland to Kailua-Kona flight.

How have Portland to Kailua-Kona flight prices changed over time?

As of December 2025, prices for Portland to Kailua-Kona flights are approximately 81% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Kailua-Kona

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Kailua-Kona according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Kailua-Kona (PDX to KOA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Kailua-Kona

Best Price Found

$266

Fastest flight time

6h 08m

Direct flights

Every day

Airports in Kailua-Kona

1 airport
The best one-way flight to Kailua-Kona from Portland in the past 72 hours is $266. The best round-trip flight deal from Portland to Kailua-Kona found on momondo in the last 72 hours is $483.
The fastest flight from Portland to Kailua-Kona takes 6h 08m
Direct flights go from Portland to Kailua-Kona every day.
There is 1 airport in Kailua-Kona. From Portland there are direct flights to Kona Intl (KOA).
Search flight deals

  • How far is Portland to Kona Intl by plane?

    A flight from Portland to Kona Intl will travel around 2602.9 mi. Typically, this will take 6h 08m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Kona Intl Airport?

    Prices for flights from Portland Airport to Kona Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Kona Intl Airport?

  • How old do you have to be to fly from Portland Airport to Kona Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Kona Intl Airport.

  • What documentation or ID do you need to fly to Kona Intl Airport?

    The required travel and health documents for your Kona Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kona Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Portland to Kailua-Kona?

  • What is the most popular airline from Portland to Kailua-Kona?

Best airlines flying from Portland to Kailua-Kona

Compare and see reviews for airlines that fly from Portland to Kailua-Kona with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $205Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
SouthwestPriceFrom $257Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
Hawaiian AirlinesPriceFrom $292Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $334Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $348Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Portland to Kailua-Kona

    Alaska Airlines operates around 4 flights from Portland to Kailua-Kona every week. The average price of these flights found in the last 72 hours has been $571, but momondo users have found Alaska Airlines deals from Portland to Kailua-Kona from as low as $348 round-trip. Alaska Airlines has been scored 8.0/10 in 11,479 reviews.

  • Hawaiian Airlines Flights From Portland to Kailua-Kona

    $292 is the best Hawaiian Airlines flight deal from Portland to Kailua-Kona found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $558, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,820 user reviews) flies into Kailua-Kona from Portland 4 times in an average week so prices can vary.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Kailua-Kona?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Kailua-Kona. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Kailua-Kona with flexible booking policies on momondo?

Yes. All flights to Kailua-Kona from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Kailua-Kona?

Once you have performed a search for Portland to Kailua-Kona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Kailua-Kona right now. Can momondo alert me if prices change?

Price alerts on flights to Kailua-Kona from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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