Cheap Flights from Ontario, CA to Boise, ID from $72
On Cheapflightsplus.com you will find 163 connecting flights from Ontario to Boise. You can compare airfare deals from 4 airlines and multiple travel sites from $72, book and save on cheap plane tickets and last minute offers. Also check out ONT-BOI flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Ontario to Boise Flight Deals
Best Flights from Ontario to Boise Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $72 | 00:59 Ontario Ontario Int. | 11:46 Boise Boise | 9h 47m layover 5h 31m - Denver | Frontier Airlines | F91500 F93933 |
from $81 | 17:21 Ontario Ontario Int. | 11:46+1 день Boise Boise | 17h 25m layover 13h 6m - Denver | Frontier Airlines | F92908 F93933 |
from $99 | 16:00 Ontario Ontario Int. | 22:46 Boise Boise | 5h 46m layover 1h 34m - Seattle | Hawaiian Airlines | HA6290 HA6648 |
from $99 | 14:21 Ontario Ontario Int. | 22:46 Boise Boise | 7h 25m layover 3h 16m - Seattle | Hawaiian Airlines | HA6307 HA6648 |
from $99 | 06:00 Ontario Ontario Int. | 14:35 Boise Boise | 7h 35m layover 3h 15m - Seattle | Hawaiian Airlines | HA6288 HA6616 |
from $103 | 17:45 Ontario Ontario Int. | 23:57 Boise Boise | 5h 12m layover 1h 37m - Portland | Alaska Airlines | AS2202 AS996 |
from $103 | 06:00 Ontario Ontario Int. | 13:01 Boise Boise | 6h 1m layover 1h 41m - Seattle | Alaska Airlines | AS1091 AS3307 |
from $103 | 06:00 Ontario Ontario Int. | 14:35 Boise Boise | 7h 35m layover 3h 15m - Seattle | Alaska Airlines | AS1091 AS1018 |
from $106 | 16:00 Ontario Ontario Int. | 22:46 Boise Boise | 5h 46m layover 1h 34m - Seattle | Alaska Airlines | AS1119 AS1034 |
from $106 | 14:21 Ontario Ontario Int. | 22:46 Boise Boise | 7h 25m layover 3h 16m - Seattle | Alaska Airlines | AS1242 AS1034 |
from $116 | 12:00 Ontario Ontario Int. | 18:11 Boise Boise | 5h 11m layover 1h 7m - Seattle | Hawaiian Airlines | HA6289 HA6622 |
from $123 | 12:00 Ontario Ontario Int. | 18:11 Boise Boise | 5h 11m layover 1h 7m - Seattle | Alaska Airlines | AS1111 AS2326 |
from $123 | 06:00 Ontario Ontario Int. | 12:20 Boise Boise | 5h 20m layover 1h 8m - Seattle | Hawaiian Airlines | HA6288 HA6668 |
from $123 | 13:31 Ontario Ontario Int. | 20:12 Boise Boise | 5h 41m layover 1h 26m - Seattle | Alaska Airlines | AS1111 AS3316 |
from $123 | 16:00 Ontario Ontario Int. | 00:11+1 день Boise Boise | 7h 11m layover 3h 5m - Seattle | Alaska Airlines | AS1119 AS2365 |
from $127 | 13:31 Ontario Ontario Int. | 22:58 Boise Boise | 8h 27m layover 4h 15m - Seattle | Alaska Airlines | AS1111 AS1034 |
Flight Schedule Ontario (California) to Boise (Idaho)
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
00:59 — 11:46
|
00:59 — 04:19
F91500
Frontier Airlines
Ontario — Denver
5h 31m stop
09:50 — 11:46
F93933
Frontier Airlines
Denver — Boise
|
9h 47m including layover |
Find flight
from$72 |
|
05:05 — 13:29
|
05:05 — 08:23
UA1575
United Airlines
Ontario — Denver
3h 7m stop
11:31 — 13:30
UA1125
United Airlines
Denver — Boise
|
7h 24m including layover |
Find flight
from$153 |
|
05:10 — 13:35
|
05:10 — 08:27
UA2446
United Airlines
Ontario — Denver
3h 9m stop
11:36 — 13:35
UA1125
United Airlines
Denver — Boise
|
7h 25m including layover |
Find flight
from$154 |
|
06:00 — 14:35
|
06:00 — 08:42
HA6288
Hawaiian Airlines
Ontario — Seattle
3h 15m stop
12:31 — 15:04
HA6616
Hawaiian Airlines
Seattle — Boise
|
7h 35m including layover |
Find flight
from$99 |
|
06:00 — 13:01
|
06:00 — 08:45
AS1091
Alaska Airlines
Ontario — Seattle
1h 41m stop
10:26 — 13:01
AS3307
Alaska Airlines
Seattle — Boise
|
6h 1m including layover |
Find flight
from$103 |
|
07:30 — 12:49
|
07:30 — 09:44
HA6286
Hawaiian Airlines
Ontario — Portland
47m stop
10:31 — 12:49
HA6321
Hawaiian Airlines
Portland — Boise
|
4h 19m including layover |
Find flight
from$132 |
|
07:30 — 12:49
|
07:30 — 09:44
AS2179
Alaska Airlines
Ontario — Portland
47m stop
10:31 — 12:49
AS3285
Alaska Airlines
Portland — Boise
|
4h 19m including layover |
Find flight
from$138 |
|
09:35 — 16:58
|
09:35 — 10:54
UA1585
United Airlines
Ontario — San Francisco
3h 24m stop
14:18 — 16:58
UA5435
United Airlines
San Francisco — Boise
|
6h 23m including layover |
Find flight
from$154 |
|
10:06 — 16:50
|
10:03 — 12:19
HA6284
Hawaiian Airlines
Ontario — Portland
2h 5m stop
14:30 — 16:48
HA6327
Hawaiian Airlines
Portland — Boise
|
5h 44m including layover |
Find flight
from$150 |
|
11:15 — 16:43
|
10:03 — 12:19
AS2456
Alaska Airlines
Ontario — Portland
57m stop
14:30 — 16:48
AS946
Alaska Airlines
Portland — Boise
|
4h 28m including layover |
Find flight
from$153 |
|
11:39 — 20:06
|
11:39 — 14:19
AS1111
Alaska Airlines
Ontario — Seattle
3h 21m stop
17:40 — 20:06
AS3305
Alaska Airlines
Seattle — Boise
|
7h 27m including layover |
Find flight
from$147 |
|
12:00 — 18:11
|
12:00 — 14:38
HA6289
Hawaiian Airlines
Ontario — Seattle
1h 7m stop
15:45 — 18:11
HA6622
Hawaiian Airlines
Seattle — Boise
|
5h 11m including layover |
Find flight
from$116 |
|
12:00 — 18:11
|
12:00 — 14:38
AS1111
Alaska Airlines
Ontario — Seattle
1h 7m stop
15:45 — 18:11
AS2326
Alaska Airlines
Seattle — Boise
|
5h 11m including layover |
Find flight
from$123 |
|
13:31 — 20:12
|
13:31 — 16:14
AS1111
Alaska Airlines
Ontario — Seattle
1h 26m stop
17:40 — 20:12
AS3316
Alaska Airlines
Seattle — Boise
|
5h 41m including layover |
Find flight
from$123 |
|
13:31 — 22:58
|
12:00 — 14:38
AS1111
Alaska Airlines
Ontario — Seattle
4h 15m stop
20:14 — 22:46
AS1034
Alaska Airlines
Seattle — Boise
|
8h 27m including layover |
Find flight
from$127 |
|
14:21 — 22:46
|
14:21 — 16:58
HA6307
Hawaiian Airlines
Ontario — Seattle
3h 16m stop
20:14 — 22:46
HA6648
Hawaiian Airlines
Seattle — Boise
|
7h 25m including layover |
Find flight
from$99 |
|
14:21 — 22:46
|
14:21 — 16:58
AS1242
Alaska Airlines
Ontario — Seattle
3h 16m stop
20:14 — 22:46
AS1034
Alaska Airlines
Seattle — Boise
|
7h 25m including layover |
Find flight
from$106 |
|
15:04 — 22:40
|
15:04 — 17:44
HA6290
Hawaiian Airlines
Ontario — Seattle
2h 26m stop
20:10 — 22:40
HA6615
Hawaiian Airlines
Seattle — Boise
|
6h 36m including layover |
Find flight
from$99 |
|
16:00 — 22:46
|
16:00 — 18:40
HA6290
Hawaiian Airlines
Ontario — Seattle
1h 34m stop
20:14 — 22:46
HA6648
Hawaiian Airlines
Seattle — Boise
|
5h 46m including layover |
Find flight
from$99 |
|
16:00 — 22:46
|
16:00 — 18:40
AS1119
Alaska Airlines
Ontario — Seattle
1h 34m stop
20:14 — 22:46
AS1034
Alaska Airlines
Seattle — Boise
|
5h 46m including layover |
Find flight
from$106 |
|
17:21 — 11:46
+1 day
|
17:21 — 20:44
F92908
Frontier Airlines
Ontario — Denver
13h 6m stop
09:50 — 11:46
F93933
Frontier Airlines
Denver — Boise
|
17h 25m including layover |
Find flight
from$81 |
|
17:45 — 23:57
|
17:45 — 20:03
AS2202
Alaska Airlines
Ontario — Portland
1h 37m stop
21:40 — 23:57
AS996
Alaska Airlines
Portland — Boise
|
5h 12m including layover |
Find flight
from$103 |
|
18:10 — 23:54
|
18:10 — 20:27
HA6303
Hawaiian Airlines
Ontario — Portland
1h 13m stop
21:40 — 23:54
HA6361
Hawaiian Airlines
Portland — Boise
|
4h 44m including layover |
Find flight
from$132 |
|
18:50 — 23:34
|
18:50 — 20:09
UA393
United Airlines
Ontario — San Francisco
41m stop
20:50 — 23:34
UA5312
United Airlines
San Francisco — Boise
|
3h 44m including layover |
Find flight
from$136 |
|
19:25 — 14:35
+1 day
|
19:25 — 22:05
AS1399
Alaska Airlines
Ontario — Seattle
13h 55m stop
12:00 — 14:35
AS1018
Alaska Airlines
Seattle — Boise
|
18h 10m including layover |
Find flight
from$127 |
|
19:25 — 15:45
+1 day
|
19:25 — 22:05
AS1399
Alaska Airlines
Ontario — Seattle
15h 16m stop
13:21 — 15:45
AS2012
Alaska Airlines
Seattle — Boise
|
19h 20m including layover |
Find flight
from$127 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Ontario to Boise depends on and how to choose the most interesting flight option for you.
Distance between Ontario and Boise is 1064 miles. Time difference between the cities is 1h. Airplanes depart 00:59 to 19:25 from 2 Ontario airports and arrive 00:59 to 19:25 to 1 Boise airport. Average flight time is 8h.
- The fastest flight 3h 44m
- Average flight time 8h
- The earliest flight 00:59
- The latest flight 19:25
- Distance 662 ml
The cheapest months to travel to Boise are july (from 96 $), august (from 121 $), october (from 138 $).
The most expensive months are september (from 138 $), october (from 138 $), august (from 121 $).
What is the lowest airfare Ontario to Boise?
The cheapest plane ticket found by our users is $72. This airfare is for economy class on one-way F91500 flight by Frontier Airlines for July 13, 2025 which leaves Ontario Int. in Ontario at 00:59 am and arrives at Boise Boise at 11:46.
Popular Airlines on the Route
The flight Ontario — Boise is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 68 departures per week at the price of from $ 103 . And the most expensive tickets are offered by United Airlines airline - from $ 329.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 163 flights with layovers on the route. The fastest connecting flight is UA393 by United Airlines takes 3h 44m and the cheapest is F91500 by Frontier Airlines for $72.
- AS - Alaska Airlinesfrom $103Find
- F9 - Frontier Airlinesfrom $72Find
- HA - Hawaiian Airlinesfrom $99Find
- UA - United Airlinesfrom $132Find
Airports
You can fly from Ontario to Boise from 2 airports (Ontario Int., International Heliport).
Ontario airports
- Ontario Int.-ONTfrom $72Find
- International Heliport-JIOFind
Boise airports
- Boise-BOIFind
Airplanes
There are flights to Boise from Ontario by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Ontario
You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.
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Top International Destinations from Ontario
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $62Find
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How to book a plane ticket yourself?

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- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
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