Cheap Flights from Des Moines to Ontario International

Compare Des Moines to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Des Moines Airport to Ontario International Airport

Looking for a cheap last-minute deal or the best return flight from Des Moines Airport to Ontario International Airport? If you want to travel next month, return fares start from R 5,026. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Des Moines to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Des Moines to Ontario International flights are currently cheapest in May.

Des Moines to Ontario: Flight information

The things to know before you go.
Cheapest flight foundR 1,884
Cheapest month to flyMay

Finding cheap flights from Des Moines to Ontario International: Frequently asked questions

The best price we found for a return flight from Des Moines to Ontario International is R 2,712. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Des Moines to Ontario International. But we found flights with one or more stops from R 2,712.
As of March 2026, there are no flights flying from Des Moines to Ontario International.
The cheapest month to fly from Des Moines to Ontario International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Des Moines Airport to Ontario International Airport on Monday, 4 May 2026.
No airlines currently offer direct flights between Des Moines Airport and Ontario International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Ontario International.

Travelling from Des Moines International Airport (DSM) to Ontario International Airport (ONT): what you need to know

  • Ontario's timezone is UTC-7, making Ontario two hours behind Des Moines.

  • Give yourself plenty of time to catch your DSM to ONT flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Des Moines International Airport to Ontario International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Popular stopovers between DSM and ONT include:

    • Phoenix Sky Harbour International Airport

    • Denver International Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Des Moines International Airport (DSM) to Ontario International Airport (ONT)

  • At the moment, R 1,884 is the cheapest price we've seen for a one-way Des Moines International Airport to Ontario International Airport flight. The best price for a return ticket is R 2,712. Bear in mind that fares could change due to demand when booking.

  • It's a good idea to book early if you want to find cheap tickets from DSM to ONT. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest flights from Des Moines International Airport to Ontario International Airport across each month. It's a great way to find a bargain if your travel dates aren't set in stone.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from DSM to ONT.

  • Tailor your flights with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Des Moines International Airport to Ontario International Airport.

Handy information about Des Moines International Airport (DSM)

  • You'll find DSM at 5800 Fleur Drive, Suite 201.

  • Des Moines International Airport maintains a solid on-time performance, making delays less likely. Departures from DSM land on schedule 80.45% of the time.

  • Des Moines International Airport is around 10 kilometres from central Des Moines. If you're driving, catching a cab or ride-sharing from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport takes about 45 minutes.

  • Looking for a handy hotel close to DSM? If you're boarding an early flight from Des Moines International Airport to Ontario International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • You'll find ONT at 2900 E. Airport Drive.

  • From Ontario International Airport, Ontario is approximately 6 kilometres away. It takes around 10 minutes to reach the centre by car.

  • If you're travelling by public transport, expect a journey of about 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

  • The quietest month for a flight from Des Moines International Airport to Ontario International Airport is May, while August is the busiest. Pick the ideal time to go to Ontario based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Ontario is August, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Lock in your flights from Des Moines International Airport to Ontario International Airport in this month if this is the type of weather you like.

  • If you want cooler conditions, search for a cheap ticket from DSM to ONT in January. Temperatures average between 4ºC (39ºF) and 23ºC (73ºF) then.

Explore more of United States

  • Los Angeles is just one of the many places in United States waiting to be explored once you've taken in the sights of Ontario. Around 56 kilometres away to the west, well-known attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're ready to explore another corner of United States, consider San Diego, about 153 kilometres south of Ontario. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.