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Cheap flights from Portland to Kailua-Kona from $149

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 9/16. 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

United Airlines Logo
6:00 am - 12:36 pmPDX-KOA
8h 36m1 stop
United Airlines Logo
2:25 pm - 12:45 amKOA-PDX
8h 20m1 stop
$297United Airlines
Find Deal
Tue, Nov 11 - Wed, Nov 19
Southwest Logo
6:40 am - 12:45 pmPDX-KOA
8h 05m1 stop
Southwest Logo
10:00 am - 11:10 pmKOA-PDX
11h 10m1 stop
$322Southwest
Find Deal
Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
7:45 am - 1:58 pmPDX-KOA
9h 13m1 stop
American Airlines Logo
9:45 pm - 10:58 amKOA-PDX
11h 13m1 stop
$347American Airlines
Find Deal
Mon, Oct 27 - Thu, Nov 6
Alaska Airlines Logo
6:00 pm - 10:43 amPDX-KOA
18h 43m1 stop
Alaska Airlines Logo
3:43 pm - 11:29 amKOA-PDX
17h 46m1 stop
$359Alaska Airlines
Find Deal
Tue, Nov 4 - Mon, Nov 10
Hawaiian Airlines Logo
9:30 am - 12:28 pmPDX-KOA
5h 58mnonstop
Hawaiian Airlines Logo
1:28 pm - 9:47 amKOA-PDX
17h 19m1 stop
$363Hawaiian Airlines
Find Deal
Mon, Sep 8 - Tue, Sep 16
Hawaiian Airlines Logo
9:30 am - 12:28 pmPDX-KOA
5h 58mnonstop
Hawaiian Airlines Logo
12:16 pm - 8:50 pmKOA-PDX
5h 34mnonstop
$375Hawaiian Airlines
Find Deal
Mon, Sep 8 - Tue, Sep 16
Alaska Airlines Logo
9:30 am - 12:28 pmPDX-KOA
5h 58mnonstop
Alaska Airlines Logo
12:16 pm - 8:50 pmKOA-PDX
5h 34mnonstop
$378Alaska Airlines
Find Deal
Tue, Sep 23 - Wed, Oct 1
Delta Logo
7:15 am - 5:35 pmPDX-KOA
13h 20m2 stops
Delta Logo
9:30 pm - 10:27 amKOA-PDX
9h 57m1 stop
$402Delta
Find Deal
Thu, Sep 25 - Mon, Sep 29
Delta Logo
5:30 am - 7:23 pmPDX-KOA
16h 53m2 stops
Delta Logo
9:30 pm - 8:36 amKOA-PDX
8h 06m1 stop
$403Delta
Find Deal
Wed, Oct 15 - Thu, Oct 23
American Airlines Logo
5:42 pm - 3:02 pmPDX-KOA
23h 20m1 stop
American Airlines Logo
9:45 pm - 10:58 amKOA-PDX
11h 13m1 stop
$412American Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 11

United Airlines flights from Portland to Kailua-Kona

Our best United Airlines deals on Portland to Kailua-Kona flight tickets
United Airlines
Nov 11
PDX6:00 amPortland
8h 36m
1 stop
KOA12:36 pmKona Intl
Nov 19
KOA2:25 pmKona Intl
8h 20m
1 stop
PDX12:45 amPortland
$297
Find similar
United Airlines
Oct 15
PDX5:30 amPortland
8h 56m
1 stop
KOA11:26 amKona Intl
Oct 19
KOA10:00 pmKona Intl
8h 00m
1 stop
PDX9:00 amPortland
$420
Find similar
United Airlines
Oct 12
PDX5:30 amPortland
8h 56m
1 stop
KOA11:26 amKona Intl
Oct 22
KOA1:40 pmKona Intl
7h 48m
1 stop
PDX12:28 amPortland
$422
Find similar

Southwest flights from Portland to Kailua-Kona

Our best Southwest deals on Portland to Kailua-Kona flight tickets
Southwest
Dec 8
PDX6:40 amPortland
8h 05m
1 stop
KOA12:45 pmKona Intl
Dec 12
KOA10:00 amKona Intl
11h 10m
1 stop
PDX11:10 pmPortland
$322
Find similar
Southwest
Jan 28
PDX5:05 amPortland
10h 40m
1 stop
KOA1:45 pmKona Intl
Feb 4
KOA6:00 amKona Intl
11h 55m
2 stops
PDX7:55 pmPortland
$352
Find similar
Southwest
Nov 3
PDX6:40 amPortland
8h 05m
1 stop
KOA12:45 pmKona Intl
Nov 13
KOA9:15 pmKona Intl
10h 55m
1 stop
PDX10:10 amPortland
$367
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 August 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

Tue 11/11

6:00 am-12:36 pm

1 stop8h 36m

Kona Intl

Wed 11/19

2:25 pm-12:45 am

1 stop8h 20m

$297

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 12/8

6:40 am-12:45 pm

1 stop8h 05m

Kona Intl

Fri 12/12

10:00 am-11:10 pm

1 stop11h 10m

$322

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 10/27

7:45 am-1:58 pm

1 stop9h 13m

Kona Intl

Thu 11/6

9:45 pm-10:58 am

1 stop11h 13m

$347

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Tue 11/4

6:00 pm-10:43 am

1 stop18h 43m

Kona Intl

Mon 11/10

3:43 pm-11:29 am

1 stop17h 46m

$359

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 9/8

9:30 am-12:28 pm

Nonstop5h 58m

Kona Intl

Tue 9/16

1:28 pm-9:47 am

1 stop17h 19m

$363

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 9/8

9:30 am-12:28 pm

Nonstop5h 58m

Kona Intl

Tue 9/16

12:16 pm-8:50 pm

Nonstop5h 34m

$375

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Tue 9/23

9:30 am-12:28 pm

Nonstop5h 58m

Kona Intl

Wed 10/1

12:16 pm-8:50 pm

Nonstop5h 34m

$378

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Thu 9/25

7:15 am-5:35 pm

2 stops13h 20m

Kona Intl

Mon 9/29

9:30 pm-10:27 am

1 stop9h 57m

$402

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Wed 10/15

5:30 am-7:23 pm

2 stops16h 53m

Kona Intl

Thu 10/23

9:30 pm-8:36 am

1 stop8h 06m

$403

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Fri 11/7

5:42 pm-3:02 pm

1 stop23h 20m

Kona Intl

Tue 11/11

9:45 pm-10:58 am

1 stop11h 13m

$412

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 September. Flight prices, which tend to average around $377, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Kailua-Kona, with average flight prices from Portland averaging around $396.

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 $532. 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 $641.

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 $510 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 $403 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.

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

As of August 2025, prices for Portland to Kailua-Kona flights are approximately 5% cheaper 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

$149

Fastest flight time

5h 58m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Kailua-Kona

1 airport
The best one-way flight to Kailua-Kona from Portland in the past 72 hours is $149. The best round-trip flight deal from Portland to Kailua-Kona found on momondo in the last 72 hours is $297.
The fastest flight from Portland to Kailua-Kona takes 5h 58m
Direct flights go from Portland to Kailua-Kona on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Alaska Airlines and Hawaiian Airlines.
There is 1 airport near Kailua-Kona: 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 5h 58m 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
Hawaiian AirlinesPriceFrom $191Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
SouthwestPriceFrom $217Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $241Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $322Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Portland to Kailua-Kona

    Alaska Airlines operates around 5 flights from Portland to Kailua-Kona every week. The average price of these flights found in the last 72 hours has been $556, but momondo users have found Alaska Airlines deals from Portland to Kailua-Kona from as low as $322 round-trip. Alaska Airlines has been scored 8.0/10 in 10,000 reviews.

  • Hawaiian Airlines Flights From Portland to Kailua-Kona

    $191 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 $459, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,664 user reviews) flies into Kailua-Kona from Portland 5 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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