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Cheap Flights from Paine Field to Ontario International

Compare Paine Field 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 Paine Field to Ontario International

Looking for a cheap last-minute deal or the best return flight from Paine Field Airport to Ontario International Airport? If you want to travel next month, return fares start from R 4,000. Find the lowest prices on one-way and return tickets right here.
Ontario.R 2,223 per passenger.Departing Mon, 14 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Mon, 14 Sep, arriving in Ontario International.Price includes taxes and charges.From R 2,223, select.
Ontario.R 2,244 per passenger.Departing Wed, 7 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Wed, 7 Oct, arriving in Ontario International.Price includes taxes and charges.From R 2,244, select.
Ontario.R 2,259 per passenger.Departing Tue, 3 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Tue, 3 Nov, arriving in Ontario International.Price includes taxes and charges.From R 2,259, select.
Ontario.R 2,299 per passenger.Departing Sun, 9 Aug.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Sun, 9 Aug, arriving in Ontario International.Price includes taxes and charges.From R 2,299, select.
Ontario.R 2,963 per passenger.Departing Wed, 6 Jan.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Wed, 6 Jan, arriving in Ontario International.Price includes taxes and charges.From R 2,963, select.
Ontario.R 3,017 per passenger.Departing Wed, 2 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Wed, 2 Dec, arriving in Ontario International.Price includes taxes and charges.From R 3,017, select.
Ontario.R 5,468 per passenger.Departing Fri, 24 Jul.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Fri, 24 Jul, arriving in Ontario International.Price includes taxes and charges.From R 5,468, select.
Ontario.R 7,735 per passenger.Departing Sun, 28 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Paine Field on Sun, 28 Mar, arriving in Ontario International.Price includes taxes and charges.From R 7,735, select.

Find the cheapest month to fly from Paine Field to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Paine Field to Ontario International flights are currently cheapest in September.
Jul
from R 5,468
Aug
from R 2,299
Sep
from R 2,223
Oct
from R 2,244
Nov
from R 2,259
Dec
from R 3,017
Jan
from R 2,963
Feb
Find prices
Mar
from R 7,735
Apr
Find prices
May
Find prices
Jun
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Paine Field to Ontario International: Alternative routes

Compare routes from Paine Field to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Ontario International

4km from central Ontario
Closest
from R 2,223
Search flights

San Bernardino Norton AFB

39km from central Ontario
from R 9,835
Search flights

Santa Ana John Wayne

48km from central Ontario
from R 1,924
Search flights

Long Beach Municipal

54km from central Ontario
from R 17,795
Search flights

Hawthorne

65km from central Ontario
Search flights

Burbank

67km from central Ontario
from R 1,867
Search flights

Los Angeles International

71km from central Ontario
Cheapest
from R 1,865
Search flights

Seattle to Ontario: Flight information

The things to know before you go.
Cheapest flight foundR 2,223
Cheapest month to flySeptember

Finding cheap flights from Paine Field to Ontario International: Frequently asked questions

The best price we found for a return flight from Paine Field to Ontario International is R 3,859. 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 Paine Field to Ontario International. But we found flights with one or more stops from R 3,880.
As of July 2026, there are no flights flying from Paine Field to Ontario International.
The cheapest month to fly from Paine Field to Ontario International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Paine Field Airport to Ontario International Airport on Tuesday, 13 October 2026.
No airlines currently offer direct flights between Paine Field 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, Alaska Airlines offers the cheapest flight tickets to Ontario International.

Travelling from Paine Field Airport (PAE) to Ontario International Airport (ONT): what you need to know

  • Seattle and Ontario are in the UTC-8 timezone. That means you won't have to change your watch on arrival.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your PAE to ONT flight.

  • You can expect longer queues during popular months such as November. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

How to find the cheapest flights from Paine Field Airport (PAE) to Ontario International Airport (ONT)

  • Currently, R 2,223 is the lowest price we've seen for a one-way Paine Field Airport to Ontario International Airport flight. The best price for a return ticket is R 3,880. Remember that fares may change due to availability at the time of booking.

  • To find cheap tickets from PAE to ONT, book in advance. Airlines tend to offer lower fares when flights are first released.

  • The 'Whole month' search tool shows you the cheapest flights from Paine Field Airport to Ontario International Airport across the month. It's a good way to snap up a bargain if your travel dates aren't set in stone.

  • Never miss a deal on cheap flights from PAE to ONT by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.

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

Handy information about Paine Field Airport (PAE)

  • Paine Field Airport maintains a solid on-time performance, so you're unlikely to face delays. Departures from PAE land at their destination as scheduled 81% of the time.

  • Paine Field Airport is around 40 kilometres from central Seattle. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 40 minutes or so to arrive, depending on the traffic.

  • The trip when using public transport will take about 1 hour 30 minutes.

  • Taking an early flight from Paine Field Airport to Ontario International Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near PAE:

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

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

  • Ontario International Airport to central Ontario has a drive time of about 15 minutes. It's approximately 10 kilometres away.

  • If you're taking public transport, expect a journey time of around 45 minutes.

When to fly to Ontario International Airport (ONT)

  • It's time to pick your travel dates for your flight from Paine Field Airport to Ontario International Airport. July is the most popular month to visit Ontario. If you prefer a more laid-back vibe, go in March.

  • Lock in your flight from Paine Field Airport to Ontario International Airport for August if you want to explore Ontario during its warmest month. Expect temperatures of between 16ºC (61ºF) and 36ºC (97ºF).

  • February has average temperatures of between 4ºC (39ºF) and 24ºC (75ºF). Look for cheap tickets from PAE to ONT sometime then if you like travelling in cooler conditions.

Explore more of the United States

  • You've done Ontario, now it's time to discover other parts of the United States. Travel about 56 kilometres west to Los Angeles to check off its leading sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, your itinerary will be busy.

  • San Diego is another favourite destination in the United States and is around 153 kilometres south of Ontario. No journey is complete without visiting San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.