HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Eugene

$132+ Cheap flights from Illinois to Eugene (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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EUG
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Eugene with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Illinois to Eugene

Cheapest flights from Illinois to Eugene
Explore the most affordable flight options available from Illinois to Eugene. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
jue. 12/117:50 amORD - EUG
1 stop9h 59mDelta
dom. 12/1412:35 pmEUG - ORD
1 stop6h 46mDelta
Deal found 10/27$277
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
sáb. 11/226:00 amORD - EUG
1 stop17h 45mAlaska Airlines
mar. 12/305:56 amEUG - ORD
1 stop16h 03mAlaska Airlines
Deal found 10/29$283
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 12/178:00 amORD - EUG
1 stop18h 23mAlaska Airlines
lun. 12/295:56 amEUG - ORD
1 stop16h 03mAlaska Airlines
Deal found 10/28$302
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
lun. 12/155:51 pmORD - EUG
2 stops20h 28mAlaska Airlines
lun. 12/295:56 amEUG - ORD
1 stop28h 17mAlaska Airlines
Deal found 10/29$308
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
vie. 11/286:00 amORD - EUG
1 stop17h 45mAlaska Airlines
sáb. 12/61:13 pmEUG - ORD
1 stop8h 46mAlaska Airlines
Deal found 10/29$323
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:58 pmORD - EUG
1 stop20h 14mMultiple Airlines
dom. 11/168:50 pmEUG - ORD
2 stops32h 38mMultiple Airlines
Deal found 10/28$324
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2210:10 pmSTL - EUG
1 stop16h 08mMultiple Airlines
dom. 1/48:10 pmEUG - STL
2 stops11h 52mMultiple Airlines
Deal found 10/27$325
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 12/213:37 pmORD - EUG
2 stops10h 00mAlaska Airlines
mar. 1/65:56 amEUG - ORD
1 stop16h 03mAlaska Airlines
Deal found 10/30$338
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/214:27 pmSTL - EUG
2 stops45h 51mMultiple Airlines
dom. 1/48:10 pmEUG - STL
1 stop23h 15mMultiple Airlines
Deal found 10/27$339
This Hawaiian Airlines deal was found by Cheapflights users on 10/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/118:55 amORD - EUG
1 stop11h 20mHawaiian Airlines
dom. 12/149:00 amEUG - ORD
1 stop11h 30mHawaiian Airlines
Deal found 10/29$342
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2210:10 pmSTL - EUG
1 stop16h 08mMultiple Airlines
vie. 1/25:29 pmEUG - STL
2 stops14h 33mMultiple Airlines
Deal found 10/27$361
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:43 pmSTL - EUG
2 stops20h 33mMultiple Airlines
dom. 1/48:10 pmEUG - STL
1 stop23h 15mMultiple Airlines
Deal found 10/27$377

Cheap flight deals from Illinois to Eugene

Keep the following information in mind while searching for Illinois to Eugene flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$254
(Delta)

One-way from

$132
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$372
Provider with most accurate pricing for Chicago (CHI)-Eugene flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Eugene flights.
Search Deals
From Illinois to Eugene
Search Deals
One-way flight from Illinois to Eugene
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 octubre 30, 2025.
Use the filters below to find and compare flights from Illinois to Eugene that are best for you.

Fly from

Illinois

Fly to

Eugene

Route

Depart

Return

Price

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

sáb. 1/17

3:32 pm-11:02 pm

2 stops9h 30m

Eugene

mié. 2/18

6:15 am-8:39 pm

2 stops12h 24m

$254

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

mié. 1/14

7:00 am-11:02 pm

2 stops18h 02m

Eugene

sáb. 2/21

6:15 am-11:10 pm

2 stops14h 55m

$254

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

mar. 1/20

3:31 pm-11:02 pm

2 stops9h 31m

Eugene

vie. 2/20

6:15 am-9:42 pm

2 stops13h 27m

$274

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

sáb. 1/17

3:32 pm-11:02 pm

2 stops9h 30m

Eugene

jue. 2/19

6:15 am-11:10 pm

2 stops14h 55m

$274

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

jue. 12/11

7:50 am-3:49 pm

1 stop9h 59m

Eugene

dom. 12/14

12:35 pm-9:21 pm

1 stop6h 46m

$277

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

dom. 1/18

5:00 pm-10:49 pm

1 stop7h 49m

Eugene

mar. 2/17

5:30 pm-9:44 am

2 stops14h 14m

$279

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

lun. 12/15

5:51 pm-5:08 pm

1 stop25h 17m

Eugene

lun. 12/29

5:56 am-11:59 pm

1 stop16h 03m

$302

St. LouisEugene

STL - EUG

STLEUG

Lambert-St Louis

mié. 1/14

2:50 pm-12:27 am

1 stop11h 37m

Eugene

dom. 2/15

1:25 pm-11:56 pm

1 stop8h 31m

$303

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

vie. 11/28

6:00 am-9:45 pm

1 stop17h 45m

Eugene

sáb. 12/6

1:13 pm-11:59 pm

1 stop8h 46m

$323

ChicagoEugene

ORD - EUG

ORDEUG

Chicago O'Hare Intl

mié. 11/12

7:58 pm-2:12 pm

1 stop20h 14m

Eugene

dom. 11/16

8:50 pm-7:28 am

2 stops32h 38m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 48 results
1
2
3
...
5

Best time to book a flight from Illinois to Eugene

Have a flexible travel schedule? Discover the best time to fly to Eugene from Illinois 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 Illinois to Eugene

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Eugene (average of $222). Flying from Illinois to Eugene in November is currently the most expensive (average of $345). 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 IL to EUG?

Find hourly flight availability from Illinois 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 octubre 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Eugene in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

Related info for your journey

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

  • What airport do you fly into for flights to Eugene from Illinois?

    If you book a flight to Eugene from Illinois, you will be flying to Eugene, which is the city’s only airport. Eugene (EUG) is located 7.8 mi from the center of Eugene.

  • How long is the flight from Illinois to Eugene?

    Departing from Illinois to Eugene will take you 6h 17m. The distance from Illinois to Eugene is about 1657 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $132 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $138 and Delta from $144 one-way.

  • What are the most popular routes from Illinois to Eugene?

    While some choose either Chicago Midway - Eugene or Lambert-St Louis - Eugene, Chicago O'Hare Intl - Eugene is the most popular route from Illinois to Eugene.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Eugene?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Eugene (average of $222). Flying from Illinois to Eugene in November is currently the most expensive (average of $345). 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 Eugene?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Eugene

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Portland flights
John F Kennedy Intl to Portland flights
San Francisco to Portland flights
Newark to Portland flights
Ontario to Portland flights
O'Hare Intl to Portland flights
Denver to Portland flights
Salt Lake City to Portland flights
Minneapolis to Portland flights
Dallas/Fort Worth to Portland flights
Dulles Intl to Portland flights
LaGuardia to Portland flights
Sky Harbor Intl to Portland flights
Reagan-National to Portland flights
Hobby to Portland flights
San Diego to Portland flights
Los Angeles to Boise flights
Atlanta to Portland flights
Burbank to Portland flights
Baltimore to Portland flights
George Bush Intcntl to Portland flights
Boston to Portland flights
Santa Ana to Portland flights
Detroit to Portland flights
Seattle to Boise flights
Austin to Portland flights
San Jose to Portland flights
Midway to Portland flights
Oakland to Portland flights
San Francisco to Boise flights
Sacramento to Portland flights
Seattle to Portland flights
Orlando to Portland flights
Las Vegas to Portland flights
Denver to Boise flights
Minneapolis to Boise flights
San Francisco to Eugene flights
Charlotte to Portland flights
Sky Harbor Intl to Boise flights
Santa Ana to Boise flights
Philadelphia to Portland flights
Burbank to Boise flights
Long Beach to Portland flights
Dallas/Fort Worth to Boise flights
Love Field to Portland flights
Palm Springs to Portland flights
Los Angeles to Eugene flights
Cincinnati to Portland flights
Indianapolis to Portland flights
Raleigh to Portland flights

Top 4 airlines flying from Illinois to Eugene

Discover the top 4 airlines that operate flights from Illinois 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$203Average$475FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$234Average$492FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$303Average$520FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$322Average$444FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.