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226 € Cheap Flights from Ontario International to Eugene

Compare Ontario International to Eugene flight deals

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Flight deals from Ontario International to Eugene

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Eugene Airport? If you want to travel next month, return fares start from 296 €. Find the lowest prices on one-way and return tickets right here.
Eugene.226 € per passenger.Departing Tue, 15 Sep, returning Tue, 15 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 15 Sep, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Tue, 15 Sep, arriving in Ontario International.Price includes taxes and charges.From 226 €, select.
Eugene.227 € per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 25 Aug, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Tue, 1 Sep, arriving in Ontario International.Price includes taxes and charges.From 227 €, select.
Eugene.257 € per passenger.Departing Thu, 6 Aug, returning Wed, 12 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 6 Aug, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Wed, 12 Aug, arriving in Ontario International.Price includes taxes and charges.From 257 €, select.
Eugene.287 € per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 28 Jul, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Tue, 4 Aug, arriving in Ontario International.Price includes taxes and charges.From 287 €, select.
Eugene.287 € per passenger.Departing Fri, 23 Oct, returning Wed, 28 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 23 Oct, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Wed, 28 Oct, arriving in Ontario International.Price includes taxes and charges.From 287 €, select.
Eugene.296 € per passenger.Departing Wed, 1 Jul, returning Fri, 3 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Wed, 1 Jul, arriving in Eugene.Inbound indirect flight with Delta, departs from Eugene on Fri, 3 Jul, arriving in Ontario International.Price includes taxes and charges.From 296 €, select.
Eugene.296 € per passenger.Departing Tue, 30 Jun, returning Wed, 1 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Tue, 30 Jun, arriving in Eugene.Inbound indirect flight with Delta, departs from Eugene on Wed, 1 Jul, arriving in Ontario International.Price includes taxes and charges.From 296 €, select.
Eugene.299 € per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 30 Sep, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Sun, 4 Oct, arriving in Ontario International.Price includes taxes and charges.From 299 €, select.
Eugene.309 € per passenger.Departing Thu, 5 Nov, returning Mon, 9 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 5 Nov, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Mon, 9 Nov, arriving in Ontario International.Price includes taxes and charges.From 309 €, select.
Eugene.358 € per passenger.Departing Tue, 29 Dec, returning Fri, 1 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 29 Dec, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Fri, 1 Jan, arriving in Ontario International.Price includes taxes and charges.From 358 €, select.
Eugene.367 € per passenger.Departing Sat, 27 Jun, returning Tue, 30 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Sat, 27 Jun, arriving in Eugene.Inbound indirect flight with Delta, departs from Eugene on Tue, 30 Jun, arriving in Ontario International.Price includes taxes and charges.From 367 €, select.
Eugene.369 € per passenger.Departing Mon, 11 Jan, returning Sun, 17 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 11 Jan, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Sun, 17 Jan, arriving in Ontario International.Price includes taxes and charges.From 369 €, select.
Eugene.375 € per passenger.Departing Sat, 13 Feb, returning Mon, 15 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 13 Feb, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Mon, 15 Feb, arriving in Ontario International.Price includes taxes and charges.From 375 €, select.
Eugene.403 € per passenger.Departing Fri, 18 Dec, returning Wed, 23 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 18 Dec, arriving in Eugene.Inbound indirect flight with Southwest Airlines, departs from Eugene on Wed, 23 Dec, arriving in Ontario International.Price includes taxes and charges.From 403 €, select.

Find the cheapest month to fly from Ontario International to Eugene

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Eugene flights are currently cheapest in September.
Jun
from 367 €
Jul
from 296 €
Aug
from 257 €
Sep
from 226 €
Oct
from 287 €
Nov
from 309 €
Dec
from 403 €
Jan
from 369 €
Feb
from 375 €
Mar
Find prices
Apr
Find prices
May
Find prices

Ontario International to Eugene: Alternative routes

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

Eugene

13km from central Eugene
ClosestCheapest
from 226 €
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Ontario to Eugene: Flight information

The things to know before you go.
Cheapest flight found226 €
Cheapest month to flySeptember

Finding cheap flights from Ontario International to Eugene: Frequently asked questions

The best price we found for a return flight from Ontario International to Eugene is 226 €. 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 Ontario International to Eugene. But we found flights with one or more stops from 226 €.
As of June 2026, there are no flights flying from Ontario International to Eugene.
The cheapest month to fly from Ontario International to Eugene is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Eugene Airport on Tuesday, 15 September 2026.
No airlines currently offer direct flights between Ontario International Airport and Eugene 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 Eugene 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 Eugene is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to Eugene.

Flying from Ontario International Airport (ONT) to Eugene Airport (EUG): what you need to know

  • Give yourself enough time to catch your ONT to EUG flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month such as July? Public holidays and other high seasons can result in longer lines and delays at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Ontario International Airport to Eugene Airport. Simply deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Check out these options between ONT and EUG:

    • San Francisco International Airport

    • Salt Lake City Airport

    • Sacramento International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Eugene Airport (EUG)

  • 113 € is currently the lowest price for a one-way Ontario International Airport to Eugene Airport flight. A return flight starts at 226 €. These prices may change depending on demand.

  • To score cheap tickets from ONT to EUG, book early. Airlines usually offer their most competitively priced fares when flights are first made available.

  • Finding cheap flights from Ontario International Airport to Eugene Airport is easy if you're flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across the month and score a great deal.

  • Landing cheap flights from ONT to EUG is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a new deal comes up.

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

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • Ontario International Airport scores high marks for on-time performance. 83% of flights that take off from ONT arrive at their destination as scheduled.

  • To reach Ontario International Airport from central Ontario, it'll take around 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 10 kilometres from the airport to the city centre.

  • Expect a trip time of about 45 minutes on public transport.

  • Catching an early flight from Ontario International Airport to Eugene Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to ONT:

Arriving at Eugene Airport (EUG)

  • Get off your Ontario International Airport to Eugene Airport flight and be relaxing in your hotel bed shortly after. If you're looking for a handy option that's not too far from EUG, head for Hampton Inn Eugene.

  • Go where the road takes you with a Eugene Airport rental car. Book your wheels from Dollar, Budget or Hertz and venture far and wide through Eugene and beyond.

  • To get the best deal, reserve your vehicle from Eugene Airport about three weeks ahead.

Getting from Eugene Airport (EUG) to central Eugene

  • EUG is located at 28801 Douglas Dr.

  • Eugene Airport is roughly 11 kilometres from the centre of Eugene. The drive time takes around 20 minutes.

  • Travelling to the centre on public transport will take you roughly 35 minutes.

When to fly to Eugene Airport (EUG)

  • The quietest month for a flight from Ontario International Airport to Eugene Airport is March, while September is the busiest. Choose the ideal time to go to Eugene based on whether you prefer a faster pace or a more relaxed vibe.

  • When booking your flight from Ontario International Airport to Eugene Airport, consider the kind of weather you enjoy. August is the warmest month in Eugene, with the temperature ranging from 9ºC (48ºF) to 31ºC (88ºF).

  • Look for cheap tickets from ONT to EUG in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC (30ºF) and 13ºC (55ºF) on average.

Explore more of the United States

  • Eugene has plenty to offer, but there are so many other corners of the United States you should also see. About 402 kilometres north of Eugene, a trip to Seattle will keep you busy. Don't miss top attractions like Space Needle, Pike Place Market and Seattle Skyline.

  • Portland is another essential stop in the United States and is around 161 kilometres north of Eugene. No journey is complete without visiting Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

Plan the rest of your trip from Ontario to Eugene

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