Travelling from Billings Airport (BIL) to Ontario International Airport (ONT): what you need to know
Ontario is one hour behind Billings and follows the UTC-8 timezone.
Get to the airport on time so you don't miss your BIL to ONT flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
During popular months like September, you'll want to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for international flights when you travel during peak periods in general.
If you want to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Billings Airport to Ontario International Airport. Here are the most popular stopovers between BIL and ONT:
Denver International Airport
Phoenix Sky Harbour Airport
Harry Reid International Airport
How to find the cheapest flights from Billings Airport (BIL) to Ontario International Airport (ONT)
The lowest price we've seen for a one-way Billings Airport to Ontario International Airport flight is 202 €. A round-trip fare is currently 268 €. Depending on the availability when you book, these fares can change.
Don't leave everything to the last moment. You're more likely to get cheap tickets from BIL to ONT if you book early. Airlines often offer some amazing early bird deals.
The 'Whole month' tool shows you the cheapest flights from Billings Airport to Ontario International Airport throughout the month. It's a good way to snap up a bargain if your trip dates aren't set in stone.
Stay on top of deals for cheap flights from BIL to ONT by setting up a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.
Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Billings Airport to Ontario International Airport.
Handy information about Billings Airport (BIL)
You'll find BIL at 1901 Terminal Circle, Room 216.
84% of flights leaving Billings Airport reach their destination on time. With its strong on-time stats, delays are unlikely when taking off from BIL.
Central Billings to Billings Airport is around 10 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're ride-sharing, catching a taxi or driving.
Taking public transport? Expect a trip time of around 30 minutes.
Looking for a convenient hotel close to BIL? If you've booked an early flight from Billings Airport to Ontario International Airport, these stays will put you moments from your check-in counter:
Arriving at Ontario International Airport (ONT)
Reserve a hotel close to ONT if you're on a late Billings Airport to Ontario International Airport flight. Choose one of these accommodation options and skip the long transfer after landing:
Hit the road running by picking up a Ontario International Airport rental car. Grab a set of wheels from Dollar, Fox - Rent A Car or Thrifty and explore beyond Ontario's main sights.
Booking your vehicle from Ontario International Airport about three weeks ahead can help you secure the lowest rate.
Getting from Ontario International Airport (ONT) to central Ontario
ONT is located at 2900 E. Airport Drive.
Ontario International Airport to central Ontario has a drive time of around 15 minutes. It's approximately 10 kilometres away.
When travelling by public transport, expect a journey of roughly 45 minutes.
When to fly to Ontario International Airport (ONT)
The quietest month for a flight from Billings Airport to Ontario International Airport is March, while July is the most popular. Pick the best time to visit Ontario based on whether you prefer a more fast-paced or easygoing experience.
Lock in your flight from Billings Airport to Ontario International Airport for August if you'd like to visit Ontario during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 36ºC (97ºF).
If you want to travel in cooler conditions, search for a cheap ticket from BIL to ONT in February. Temperatures average between 4ºC (39ºF) and 24ºC (75ºF) then.
Explore more of the United States
Ontario has its own special appeal, but there are so many other parts of the United States waiting to be explored. About 56 kilometres west of Ontario, a visit to Los Angeles will keep your itinerary packed. Don't miss top attractions like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.
If you want to check out another side of the United States, head for San Diego, roughly 153 kilometres south of Ontario. San Diego Zoo, San Diego Balboa Park and USS Midway Museum are among its highlights.
