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Eugene

$90+ Cheap flights from Ontario to Eugene (ONT - EUG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EUG
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Eugene

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Eugene (EUG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$169
(Agoda.com)

One-way from

$90
(Hawaiian Airlines)

Popular in

November

Cheapest in

May

Average price

$378
From Ontario to Eugene
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One-way flight from Ontario to Eugene
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Highest demand for flights based on searches. 16% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Eugene

Cheapest flights from Ontario to Eugene
Explore the most affordable flight options available from Ontario to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Agoda.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amONT - EUG
1 stop6h 39mHawaiian Airlines
Tue 9/95:27 amEUG - ONT
1 stop3h 59mHawaiian Airlines
Deal found 6/11$169
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:35 pmONT - EUG
1 stop3h 30mSouthwest
Tue 9/232:10 pmEUG - ONT
1 stop3h 25mSouthwest
Deal found 6/12$174
This Agoda.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:22 pmONT - EUG
1 stop4h 37mMultiple Airlines
Tue 9/95:27 amEUG - ONT
1 stop3h 59mMultiple Airlines
Deal found 6/10$175
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:59 pmONT - EUG
1 stop4h 50mDelta
Fri 7/185:20 pmEUG - ONT
1 stop5h 27mDelta
Deal found 6/10$179
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:58 pmONT - EUG
1 stop5h 01mAlaska Airlines
Sat 7/196:00 amEUG - ONT
1 stop7h 26mAlaska Airlines
Deal found 6/10$209
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:00 amONT - EUG
1 stop6h 03mUnited Airlines
Thu 8/286:00 amEUG - ONT
1 stop6h 13mUnited Airlines
Deal found 6/12$290
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/254:50 pmONT - EUG
1 stop6h 26mAmerican Airlines
Sun 6/296:45 amEUG - ONT
1 stop5h 15mAmerican Airlines
Deal found 6/10$427

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Eugene that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Ontario to Eugene that are best for you.

Fly from

Ontario

Fly to

Eugene

Route

Depart

Return

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 9/4

6:00 am-12:39 pm

1 stop6h 39m

Eugene

Tue 9/9

5:27 am-9:26 am

1 stop3h 59m

$169

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 9/16

5:35 pm-9:05 pm

1 stop3h 30m

Eugene

Tue 9/23

2:10 pm-5:35 pm

1 stop3h 25m

$174

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 9/4

7:22 pm-11:59 pm

1 stop4h 37m

Eugene

Tue 9/9

5:27 am-9:26 am

1 stop3h 59m

$175

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 7/9

5:59 pm-10:49 pm

1 stop4h 50m

Eugene

Fri 7/18

5:20 pm-10:47 pm

1 stop5h 27m

$179

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 7/11

6:58 pm-11:59 pm

1 stop5h 01m

Eugene

Sat 7/19

6:00 am-1:26 pm

1 stop7h 26m

$209

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 8/21

6:00 am-12:03 pm

1 stop6h 03m

Eugene

Thu 8/28

6:00 am-12:13 pm

1 stop6h 13m

$290

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 6/25

4:50 pm-11:16 pm

1 stop6h 26m

Eugene

Sun 6/29

6:45 am-12:00 pm

1 stop5h 15m

$427

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Thu 9/11

6:00 am-12:39 pm

1 stop6h 39m

$90

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 7/19

1:15 pm-9:07 pm

2 stops7h 52m

$125

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 7/8

9:40 am-3:50 pm

2 stops6h 10m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
1
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Best time to book a flight from Ontario to Eugene

Have a flexible travel schedule? Discover the best time to fly to Eugene from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Eugene

What is the cheapest month to book a flight from Ontario to Eugene?

Currently, January is the cheapest month in which you can book a flight from Ontario to Eugene (average of $321). Flying from Ontario to Eugene in June is currently the most expensive (average of $486). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to EUG?

Find hourly flight availability from Ontario to Eugene. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Ontario to Eugene in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Eugene by month

Plan your trip to Eugene by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Eugene ranges from 0.5 - 7.8 inches per month. December is typically the wettest month, when rainfall can reach 7.8 in. July is typically the driest time to visit Eugene when rainfall is around 0.5 in.

Temperature in Eugene by month

Plan your trip to Eugene by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Eugene, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Eugene

Get insights into the airlines that provide service to Eugene. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Eugene. Reviews last updated June 12, 2025.
To help decide which airline to fly from Ontario to Eugene, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Eugene. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Eugene round-trip?

    Hawaiian Airlines, at $169, was found to be the cheapest airline from Ontario to Eugene.Alternate airlines to your destination round-trip include Delta and Southwest. These flights start at 51% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Eugene one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $90. Users have also found prices from $125 and $150 on Delta and Alaska Airlines, respectively.

  • Can I find deals for flights from Ontario to Eugene that include hotel bookings?

    Yes. In addition to deals on Ontario to Eugene flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Eugene?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Eugene.

  • Can I find deals for business class flights from Ontario to Eugene?

    Yes. Cheapflights offers flight deals from Ontario to Eugene by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Eugene?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Eugene (average of $321). Flying from Ontario to Eugene in June is currently the most expensive (average of $486). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Newport
Albany
Corvallis

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Alternative routes for Ontario to Eugene

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Eugene

Discover the top 5 airlines that operate flights from Ontario to Eugene. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$142Average$187FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$187Average$310FlexibilityNo cancel feeOn-time75%
DeltaCheapest$218Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$262Average$330FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$262Average$386FlexibilityNo cancel feeOn-time63%

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