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

Hawaiian Airlines, at $246, was found to be the cheapest airline from Ontario to Eugene.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. These flights start at 30% 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 Alaska Airlines. According to our data, you can fly for as low as $123. Users have also found prices from $167 and $204 on United Airlines and Delta, respectively.

What is the cheapest day to fly from Ontario to Eugene?

Travelers seeking maximum savings on their Ontario to Eugene flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Ontario to Eugene?

Before booking your flight from Ontario to Eugene check out the most popular airlines for this route: Alaska Airlines, Delta or United Airlines.

What is the cheapest day to fly round-trip from Ontario to Eugene?

Saturday flights are found to be more expensive to fly from Ontario to Eugene. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Eugene.

How far in advance should I book a flight from Ontario to Eugene?

To save up to 112% on this flight, we recommend booking at least 26 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Eugene from $416 1-2 weeks out and tickets from $480 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Eugene?

The best pricing can be found in the month of May. Prices to Eugene from Ontario average $322. You can even find prices in May for less than $322, as users have found deals to Eugene from as low as $168. The month of June appears to be one of the more expensive times to travel to Eugene from Ontario. Flying in the targeted month can save you up to 45%.

Most accurate provider : When it comes to deals on Ontario-Eugene flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Eugene flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Eugene flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Eugene flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Eugene flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$123+ Flights from Ontario to Eugene

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Ontario to Eugene

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$246 (Hawaiian Airlines)
One-way from	$123 (Alaska Airlines)
Popular in	November
Cheapest in	August
Average price	$369

Provider with most accurate pricing for Ontario-Eugene flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Eugene flights.

Search Deals

From Ontario to Eugene

Search Deals

One-way flight from Ontario to Eugene

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 15, 2025.

Tue 5/64:29 pmONT - EUG

1 stop7h 20mHawaiian Airlines

Wed 5/78:24 amEUG - ONT

1 stop7h 08mHawaiian Airlines

Deal found 4/13

$246

Fri 5/94:29 pmONT - EUG

1 stop4h 25mAlaska Airlines

Mon 5/125:21 pmEUG - ONT

1 stop6h 38mAlaska Airlines

Deal found 4/14

$262

Sun 8/249:55 amONT - EUG

2 stops6h 36mDelta

Wed 8/275:30 pmEUG - ONT

1 stop5h 11mDelta

Deal found 4/14

$296

Sat 5/2411:05 amONT - EUG

2 stops9h 35mSouthwest

Mon 5/265:25 amEUG - ONT

1 stop3h 40mSouthwest

Deal found 4/14

$315

Fri 9/195:09 pmONT - EUG

1 stop5h 45mAmerican Airlines

Sun 9/215:36 amEUG - ONT

1 stop5h 53mAmerican Airlines

Deal found 4/14

$380

Sat 5/101:45 pmONT - EUG

2 stops25h 41mUnited Airlines

Sat 5/246:00 amEUG - ONT

1 stop6h 14mUnited Airlines

Deal found 4/14

$423

Best flights from Ontario to Eugene
Discover carefully curated flight deals from Ontario to Eugene that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Tue 5/64:29 pmONT - EUG

1 stop7h 20mHawaiian Airlines

Wed 5/78:24 amEUG - ONT

1 stop7h 08mHawaiian Airlines

Deal found 4/13

$246

Tue 5/131:10 pmONT - EUG

2 stops9h 47mDelta

Tue 5/207:00 amEUG - ONT

1 stop7h 15mDelta

Deal found 4/13

$252

Sat 5/104:29 pmONT - EUG

1 stop4h 25mAlaska Airlines

Sat 5/246:03 amEUG - ONT

1 stop16h 43mAlaska Airlines

Deal found 4/14

$268

Thu 6/268:20 amONT - EUG

1 stop7h 45mSouthwest

Thu 7/34:50 pmEUG - ONT

1 stop5h 25mSouthwest

Deal found 4/13

$324

Fri 9/195:09 pmONT - EUG

1 stop5h 45mAmerican Airlines

Sun 9/215:36 amEUG - ONT

1 stop5h 53mAmerican Airlines

Deal found 4/14

$380

Sat 5/101:45 pmONT - EUG

2 stops25h 41mUnited Airlines

Sat 5/246:00 amEUG - ONT

1 stop6h 14mUnited Airlines

Deal found 4/14

$423

Last-minute flights from Ontario to Eugene
Discover last-minute flight deals from Ontario to Eugene. Data last updated April 15, 2025 and is based on user searches.

Tue 4/226:00 amONT - EUG

1 stop7h 06mHawaiian Airlines

Tue 5/61:47 pmEUG - ONT

1 stop6h 42mHawaiian Airlines

Deal found 4/14

$361

Wed 4/233:55 pmONT - EUG

1 stop4h 55mUnited Airlines

Tue 5/66:00 amEUG - ONT

1 stop8h 25mUnited Airlines

Deal found 4/14

$738

Thu 4/246:00 amONT - EUG

2 stops9h 16mDelta

Sun 4/275:55 amEUG - ONT

1 stop6h 21mDelta

Deal found 4/14

$482

Fri 4/256:24 pmONT - EUG

1 stop5h 25mAlaska Airlines

Tue 4/291:47 pmEUG - ONT

1 stop6h 42mAlaska Airlines

Deal found 4/13

$436

Tue 5/64:29 pmONT - EUG

1 stop7h 20mHawaiian Airlines

Wed 5/78:24 amEUG - ONT

1 stop7h 08mHawaiian Airlines

Deal found 4/13

$246

Fri 5/94:29 pmONT - EUG

1 stop4h 25mAlaska Airlines

Mon 5/125:21 pmEUG - ONT

1 stop6h 38mAlaska Airlines

Deal found 4/14

$262

Sat 5/101:45 pmONT - EUG

2 stops25h 41mUnited Airlines

Sat 5/246:00 amEUG - ONT

1 stop6h 14mUnited Airlines

Deal found 4/14

$423

Sat 5/246:00 amONT - EUG

1 stop4h 45mDelta

Sun 5/255:24 pmEUG - ONT

1 stop5h 11mDelta

Deal found 4/15

$312

Sat 5/2411:05 amONT - EUG

2 stops9h 35mSouthwest

Mon 5/265:25 amEUG - ONT

1 stop3h 40mSouthwest

Deal found 4/14

$315

One-way flights from Ontario to Eugene
Search for one-way flight options from Ontario to Eugene. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Tue 5/134:29 pmONT - EUG

1 stop7h 20mAlaska Airlines

Deal found 4/14

$123

Sun 4/207:05 amONT - EUG

1 stop5h 09mUnited Airlines

Deal found 4/13

$167

Wed 4/301:20 pmONT - EUG

2 stops9h 35mDelta

Deal found 4/13

$204

Mon 4/2112:50 pmONT - EUG

1 stop6h 29mAmerican Airlines

Deal found 4/14

$239

Mon 4/212:55 pmONT - EUG

2 stops7h 00mSouthwest

Deal found 4/14

$264

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Eugene that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 5/6

4:29 pm-11:49 pm

1 stop7h 20m

Eugene

Wed 5/7

8:24 am-3:32 pm

1 stop7h 08m

$246

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 5/9

4:29 pm-8:54 pm

1 stop4h 25m

Eugene

Mon 5/12

5:21 pm-11:59 pm

1 stop6h 38m

$262

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/24

6:00 am-10:45 am

1 stop4h 45m

Eugene

Sun 5/25

5:24 pm-10:35 pm

1 stop5h 11m

$312

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/24

11:05 am-8:40 pm

2 stops9h 35m

Eugene

Mon 5/26

5:25 am-9:05 am

1 stop3h 40m

$315

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 5/10

1:45 pm-3:26 pm

2 stops25h 41m

Eugene

Sat 5/24

6:00 am-12:14 pm

1 stop6h 14m

$423

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Tue 5/13

4:29 pm-11:49 pm

1 stop7h 20m

$123

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sun 4/20

7:05 am-12:14 pm

1 stop5h 09m

$167

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Wed 4/30

1:20 pm-10:55 pm

2 stops9h 35m

$204

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Mon 4/21

12:50 pm-7:19 pm

1 stop6h 29m

$239

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Mon 4/21

2:55 pm-9:55 pm

2 stops7h 00m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Compare providers for flights from Ontario to Eugene

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Eugene in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Eugene flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Eugene flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Eugene flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Eugene flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Eugene flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $553). 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?

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

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

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

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

9,871 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,871 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,916 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,373 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,656 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines flying from Ontario to Eugene round-trip?
Hawaiian Airlines, at $246, was found to be the cheapest airline from Ontario to Eugene.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. These flights start at 30% 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 Alaska Airlines. According to our data, you can fly for as low as $123. Users have also found prices from $167 and $204 on United Airlines and Delta, 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 $553). 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

Newport

Albany

Corvallis

Yachats

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Other flights to Eugene

Top 6 airlines flying from Ontario to Eugene

Airline	Cheapest	Average	Flexibility	On-time
Avelo Airlines	Cheapest$142	Average$180	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$187	Average$311	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$207	Average$351	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$218	Average$372	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$246	Average$322	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$266	Average$398	FlexibilityNo cancel fee	On-time63%

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$123+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Eugene with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Eugene

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Eugene

Cheapest flights from Ontario to EugeneExplore 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 April 15, 2025.

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 April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Eugene that are best for you.

Compare providers for flights from Ontario to Eugene

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Eugene in April.

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.

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?

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 April 15, 2025.

Rainfall in Eugene by month

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

Temperature in Eugene by month

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

Reviews of airlines servicing Eugene

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.

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?

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

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

How can I find direct flights from Ontario to Eugene?

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

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

Traveling to a place near Ontario?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 6 airlines flying from Ontario to Eugene

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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 April 15, 2025.