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Ontario

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Ontario Flights as Low as $142

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Thu, Jun 12 - Thu, Jun 19
DEN
Denver Intl.
BOI
Boise
$142 Roundtrip, found 9 hours ago
$142
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Jun 12 from Denver Intl. to Boise, returning Thu, Jun 19, priced at $142 found 9 hours ago
Delta
Sat, May 31 - Tue, Jun 10
GEG
Spokane Intl.
BOI
Boise
$157 Roundtrip, found 13 hours ago
$157
Roundtrip
found 13 hours ago
Select Delta flight, departing Sat, May 31 from Spokane Intl. to Boise, returning Tue, Jun 10, priced at $157 found 13 hours ago
Hawaiian Airlines
Sun, Jul 13 - Tue, Jul 29
PHX
Sky Harbor Intl.
BOI
Boise
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Jul 13 from Sky Harbor Intl. to Boise, returning Tue, Jul 29, priced at $157 found 3 days ago
Frontier Airlines
Tue, May 27 - Thu, May 29
ONT
Los Angeles - Ontario Intl.
BOI
Boise
$214 Roundtrip, found 9 hours ago
$214
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, May 27 from Los Angeles - Ontario Intl. to Boise, returning Thu, May 29, priced at $214 found 9 hours ago
Spirit Airlines
Thu, Jun 19 - Mon, Jun 23
SAT
San Antonio Intl.
BOI
Boise
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Jun 19 from San Antonio Intl. to Boise, returning Mon, Jun 23, priced at $221 found 1 day ago
Delta
Wed, May 28 - Thu, May 29
MIA
Miami Intl.
BOI
Boise
$222 Roundtrip, found 15 hours ago
$222
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, May 28 from Miami Intl. to Boise, returning Thu, May 29, priced at $222 found 15 hours ago
Bargain Flight
Wed, May 14 - Thu, May 15
SMF
Sacramento Intl.
BOI
Boise
$229 Roundtrip, found 12 hours ago
$229
Roundtrip
found 12 hours ago
Select Bargain Flight flight, departing Wed, May 14 from Sacramento Intl. to Boise, returning Thu, May 15, priced at $229 found 12 hours ago
Bargain Flight
Fri, May 9 - Mon, May 12
LAS
Harry Reid Intl.
BOI
Boise
$233 Roundtrip, found 7 hours ago
$233
Roundtrip
found 7 hours ago
Select Bargain Flight flight, departing Fri, May 9 from Harry Reid Intl. to Boise, returning Mon, May 12, priced at $233 found 7 hours ago
Bargain Flight
Wed, Aug 13 - Sat, Aug 16
OMA
Eppley Field
BOI
Boise
$253 Roundtrip, just found
$253
Roundtrip
just found
Select Bargain Flight flight, departing Wed, Aug 13 from Eppley Field to Boise, returning Sat, Aug 16, priced at $253 just found
United
Wed, May 28 - Wed, Jun 4
BIS
Bismarck Municipal
BOI
Boise
$269 Roundtrip, found 22 hours ago
$269
Roundtrip
found 22 hours ago
Select United flight, departing Wed, May 28 from Bismarck Municipal to Boise, returning Wed, Jun 4, priced at $269 found 22 hours ago
Bargain Flight
Sun, May 25 - Wed, May 28
CLE
Hopkins Intl.
BOI
Boise
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Sun, May 25 from Hopkins Intl. to Boise, returning Wed, May 28, priced at $273 found 1 day ago
Spirit Airlines
Thu, Jun 12 - Mon, Jun 16
DTW
Detroit Metropolitan Wayne County
BOI
Boise
$280 Roundtrip, found 21 hours ago
$280
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Thu, Jun 12 from Detroit Metropolitan Wayne County to Boise, returning Mon, Jun 16, priced at $280 found 21 hours ago
Bargain Flight
Wed, May 14 - Sat, May 17
IND
Indianapolis Intl.
BOI
Boise
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Wed, May 14 from Indianapolis Intl. to Boise, returning Sat, May 17, priced at $282 found 4 days ago
United
Sat, Jun 21 - Mon, Jun 23
DRO
La Plata County
BOI
Boise
$336 Roundtrip, found 21 hours ago
$336
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Jun 21 from La Plata County to Boise, returning Mon, Jun 23, priced at $336 found 21 hours ago
Bargain Flight
Wed, May 14 - Thu, May 15
RNO
Reno-Tahoe Intl.
BOI
Boise
$336 Roundtrip, found 12 hours ago
$336
Roundtrip
found 12 hours ago
Select Bargain Flight flight, departing Wed, May 14 from Reno-Tahoe Intl. to Boise, returning Thu, May 15, priced at $336 found 12 hours ago
Alaska Airlines
Wed, Jul 30 - Thu, Aug 28
FAI
Fairbanks Intl.
BOI
Boise
$401 Roundtrip, found 15 hours ago
$401
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Wed, Jul 30 from Fairbanks Intl. to Boise, returning Thu, Aug 28, priced at $401 found 15 hours ago

Cheap Flights to Ontario

Fall in love at first flight with your vacation to Ontario by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Ontario on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Ontario, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Ontario

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Ontario with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the BOI airport.

What is the cheapest month to fly to Ontario?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Ontario are in June, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Ontario?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 10 to choose from for your flight to Ontario.

What airport is best to fly into Ontario?

When you’re planning your trip to Ontario, convenience is the name of the game. Luckily, Ontario Boise Airport is nearby so you can deplane and get going on checking off everything on your Ontario must-do list.

How much are flights to Ontario?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Ontario on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $142, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Ontario?

The trick to saving a stack of cash on your flight to Ontario? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $142 right now, why wait?

Ontario Flight Information
Destination airport
Boise
Destination airport IATA code
BOI
Roundtrip price
$141

Last Minute Hotel Deals in Ontario

Red Lion Inn & Suites Ontario
Red Lion Inn & Suites Ontario
2 out of 5
266 NE Goodfellow St., Ontario, OR
The price is $94 per night from May 8 to May 9
$94
includes taxes & fees
May 8 - May 9
Stay at this hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
7.8/10 Good! (1,165 reviews)
"Room was very good. Clean and nice. Beds were comfortable. However, the breakfast could use some help. Supplies were very low. Only 1 muffin and had to ask for bread. Also the tables needed to be wiped down. The clerk attended to needs when asked but it looked like she was very busy with other duties ..."

Reviewed on May 3, 2025

Red Lion Inn & Suites Ontario
Holiday Inn Express & Suites Ontario by IHG
Holiday Inn Express & Suites Ontario by IHG
2.5 out of 5
212 Se 10th St, Ontario, OR
The price is $146 per night from May 26 to May 27
$146
includes taxes & fees
May 26 - May 27
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9/10 Wonderful! (1,001 reviews)
"Would be nice if they had an area you could hang out past 11pm. Otherwise it was a typical hotel stay."

Reviewed on Apr 28, 2025

Holiday Inn Express & Suites Ontario by IHG
Sleep Inn Ontario
Sleep Inn Ontario
2.5 out of 5
1221 Se 1st Ave, Ontario, OR
The price is $109 per night from Jun 3 to Jun 4
$109
includes taxes & fees
Jun 3 - Jun 4
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free parking, and a 24-hour front desk. Our guests praise the breakfast and the ...
8.2/10 Very Good! (1,003 reviews)
"Love staying here. Most reasonably priced quality hotel in Ontario. Vending machines ripped me off. But that is a third parties machine."

Reviewed on May 3, 2025

Sleep Inn Ontario
Motel 6 Ontario, OR
Motel 6 Ontario, OR
2 out of 5
275 Ne 12th St, Ontario, OR
The price is $78 per night from May 7 to May 8
$78
includes taxes & fees
May 7 - May 8
Stay at this motel in Ontario. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
7.6/10 Good! (776 reviews)
"Thank you"

Reviewed on May 3, 2025

Motel 6 Ontario, OR
Holiday Inn Ontario by IHG
Holiday Inn Ontario by IHG
2.5 out of 5
1249 Tapadera Avenue, Ontario, OR
The price is $138 per night from May 11 to May 12
$138
includes taxes & fees
May 11 - May 12
Book a stay at this business-friendly hotel in Ontario. Enjoy free WiFi, an outdoor pool, and a casino. Our guests praise the breakfast and the restaurant in ...
8.8/10 Excellent! (317 reviews)
Happy to stay here!
"They were so kind and accommodating to some of our unique needs."

Reviewed on May 3, 2025

Holiday Inn Ontario by IHG
Quality Inn
Quality Inn
2.5 out of 5
139 Ne Goodfellow St, Ontario, OR
The price is $84 per night from May 18 to May 19
$84
includes taxes & fees
May 18 - May 19
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
7.8/10 Good! (677 reviews)
"They were very helpful, I accidentally booked my room for the wrong dates and was charged right away but there were able to help me change my dates. They are very friendly. Definitely will be staying there when I go back"

Reviewed on May 1, 2025

Quality Inn
Best Western Inn & Suites
Best Western Inn & Suites
2.5 out of 5
251 Goodfellow St, Ontario, OR
The price is $136 per night from May 11 to May 12
$136
includes taxes & fees
May 11 - May 12
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8.2/10 Very Good! (696 reviews)
"Staff was great. Room was clean. Close to shopping for quick resupplies. Breakfast was hot and area was clean."

Reviewed on Apr 4, 2025

Best Western Inn & Suites
Rodeway Inn & Suites
Rodeway Inn & Suites
2 out of 5
139 NE Goodfellow Street, Building B, Ontario, OR
The price is $69 per night from May 11 to May 12
$69
includes taxes & fees
May 11 - May 12
Book a stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Four Rivers Cultural Center and ...
7/10 Good! (279 reviews)
"It was clean and adequate."

Reviewed on May 2, 2025

Rodeway Inn & Suites
See all 63 properties in Ontario
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.