$270 Cheap United flights Ontario Intl. Airport (ONT) to Boise (BOI)

View $270 flight on Sat, May 30, 2026Opens in a new window

$270 Cheap United flights Ontario Intl. Airport (ONT) to Boise (BOI)

Prices were available within the past 7 days and start at $270 for one-way flights and $377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 30 - Tue, Jun 9
ONT
Ontario
BOI
Boise
$377 Roundtrip, found 3 days ago
$377
Roundtrip
found 3 days ago
Select United flight, departing Sat, May 30 from Ontario to Boise, returning Tue, Jun 9, priced at $377 found 3 days ago
United
Tue, Jun 16 - Mon, Jun 22
ONT
Ontario
BOI
Boise
$387 Roundtrip, found 2 hours ago
$387
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Jun 16 from Ontario to Boise, returning Mon, Jun 22, priced at $387 found 2 hours ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $333
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $333

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1057 km
Average flight time
1 hour 59 mins

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