Security lines at KOA are rarely a concern. Expect to wait only 15 to 20 minutes even without TSA PreCheck.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $257 (Delta) |
One-way from | $129 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $396 |
Good round-trip deal | $592 or less |
Good one-way deal | $245 or less |
Fly from
Fly to
Route
Depart
Return
Price
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Mon 12/22
9:55 pm-8:38 am
1 stop8h 43m
Portland
Thu 1/1
5:30 am-3:48 pm
1 stop12h 18m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Mon 12/22
9:55 pm-8:38 am
1 stop8h 43m
Portland
Wed 12/31
5:30 am-3:48 pm
1 stop12h 18m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Sun 12/7
9:30 pm-9:50 am
1 stop10h 20m
Portland
Tue 12/9
5:30 am-7:30 pm
2 stops16h 00m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Wed 11/26
8:20 pm-6:18 am
1 stop7h 58m
Portland
Sat 11/29
5:20 am-5:38 pm
1 stop14h 18m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Tue 12/2
3:30 pm-9:50 am
2 stops16h 20m
Portland
Tue 12/9
9:10 am-6:20 pm
1 stop11h 10m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Tue 12/2
11:42 am-6:00 am
1 stop16h 18m
Portland
Wed 12/10
5:50 pm-10:40 am
1 stop18h 50m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Tue 12/2
1:45 pm-6:00 am
1 stop14h 15m
Portland
Tue 12/9
1:34 pm-9:30 pm
1 stop9h 56m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Tue 3/10
11:00 am-10:42 pm
1 stop8h 42m
Portland
Wed 3/11
7:30 am-10:55 am
Nonstop6h 25m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Wed 12/10
8:43 pm-10:55 am
1 stop12h 12m
Kailua-KonaPortland
KOA - PDX
KOAPDX
Kona Intl
Wed 12/17
2:40 pm-12:41 am
1 stop8h 01m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
To ensure you get the cheapest price possible for a flight from Kailua-Kona to Portland, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, December is the cheapest month in which you can book a flight from Kailua-Kona to Portland (average of $177). Flying from Kailua-Kona to Portland in July is currently the most expensive (average of $537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Kailua-Kona to Portland in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Kailua-Kona to Portland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Anonymous,Sep 2025
BOS - HNL
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Anonymous,Sep 2025
BOS - HNL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$231 | Average$385 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$297 | Average$377 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$327 | Average$559 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$327 | Average$627 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$332 | Average$544 | FlexibilityNo cancel fee | On-time85% |