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Illinois

$118+ Cheap flights from Eugene (EUG) to Illinois

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Eugene to Illinois

Cheapest flights from Eugene to Illinois
Explore the most affordable flight options available from Eugene to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/193:25 pmEUG - ORD
1 stop6h 51mAmerican Airlines
Tue 12/235:00 amORD - EUG
1 stop10h 41mAmerican Airlines
Deal found 12/15$489
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/195:17 amEUG - ORD
1 stop5h 59mAlaska Airlines
Tue 12/238:39 amORD - EUG
1 stop11h 21mAlaska Airlines
Deal found 12/16$519
This Southwest deal was found by Cheapflights users on 12/17. 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.
Sat 12/2012:25 pmEUG - MDW
1 stop10h 15mSouthwest
Tue 12/235:10 amMDW - EUG
1 stop7h 40mSouthwest
Deal found 12/17$554
This Southwest deal was found by Cheapflights users on 12/16. 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.
Fri 12/195:55 amEUG - MDW
1 stop11h 20mSouthwest
Mon 12/226:05 amMDW - EUG
1 stop8h 10mSouthwest
Deal found 12/16$559
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/193:25 pmEUG - ORD
1 stop7h 47mAmerican Airlines
Mon 12/227:06 amORD - EUG
1 stop8h 35mAmerican Airlines
Deal found 12/16$579
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/3110:00 amEUG - ORD
1 stop11h 59mAlaska Airlines
Sun 1/42:12 pmORD - EUG
1 stop24h 11mAlaska Airlines
Deal found 12/16$589
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/188:56 pmEUG - STL
2 stops11h 06mMultiple Airlines
Fri 12/198:42 pmSTL - EUG
1 stop15h 35mMultiple Airlines
Deal found 12/16$610
This Southwest deal was found by Cheapflights users on 12/16. 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.
Fri 12/195:55 amEUG - ORD
2 stops14h 40mSouthwest
Mon 12/227:15 amORD - EUG
2 stops13h 05mSouthwest
Deal found 12/16$655
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/191:10 pmEUG - ORD
1 stop8h 49mUnited Airlines
Wed 12/243:42 pmORD - EUG
1 stop7h 31mUnited Airlines
Deal found 12/16$674
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/188:56 pmEUG - STL
1 stop22h 29mMultiple Airlines
Tue 12/2310:10 pmSTL - EUG
2 stops19h 57mMultiple Airlines
Deal found 12/16$689
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/195:17 amEUG - ORD
1 stop5h 59mAlaska Airlines
Sun 12/216:08 pmORD - EUG
1 stop8h 14mAlaska Airlines
Deal found 12/16$689
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/188:56 pmEUG - STL
1 stop22h 29mMultiple Airlines
Sat 12/207:43 pmSTL - EUG
2 stops20h 33mMultiple Airlines
Deal found 12/16$703

Find flight deals from Eugene to Illinois

Keep the following information in mind while searching for Eugene to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238

One-way from

$118
(Kiwi.com)

Popular in

October

Cheapest in

January

Average price

$305

Good round-trip deal

$348 or less
Provider with most accurate pricing for Eugene-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Eugene-Chicago (CHI) flights.
Search Deals
From Eugene to Illinois
Search Deals
One-way flight from Eugene to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Eugene to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Eugene to Illinois 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 December 18, 2025.
Use the filters below to find and compare flights from Eugene to Illinois that are best for you.

Fly from

Eugene

Fly to

Illinois

Route

Depart

Return

Price

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 1/8

3:56 pm-1:10 pm

1 stop19h 14m

Chicago O'Hare Intl

Sun 1/18

6:06 pm-12:27 am

1 stop8h 21m

$238

EugeneChicago

EUG - ORD

EUGORD

Eugene

Fri 2/6

3:02 pm-11:50 pm

1 stop6h 48m

Chicago O'Hare Intl

Wed 2/11

8:00 am-1:08 pm

1 stop7h 08m

$238

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 2/19

5:42 am-4:33 pm

1 stop8h 51m

Chicago O'Hare Intl

Tue 2/24

3:54 pm-9:31 pm

1 stop7h 37m

$238

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 2/5

5:42 am-2:38 pm

1 stop6h 56m

Chicago O'Hare Intl

Tue 2/10

6:06 pm-12:27 am

1 stop8h 21m

$238

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 1/28

12:34 pm-9:52 pm

1 stop7h 18m

Chicago O'Hare Intl

Mon 2/2

3:59 pm-11:59 pm

2 stops10h 00m

$244

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 2/19

12:32 pm-9:52 pm

1 stop7h 20m

Chicago O'Hare Intl

Tue 2/24

7:15 am-4:35 pm

2 stops11h 20m

$244

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Wed 2/18

11:25 am-12:25 am

2 stops11h 00m

Lambert-St Louis

Mon 2/23

6:40 pm-10:40 am

2 stops18h 00m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 2/17

11:25 am-12:25 am

2 stops11h 00m

Lambert-St Louis

Mon 2/23

6:40 pm-4:35 pm

2 stops23h 55m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 2/17

11:25 am-11:23 pm

2 stops9h 58m

Lambert-St Louis

Fri 2/20

6:40 pm-10:40 am

2 stops18h 00m

$256

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 1/13

11:30 am-9:35 pm

2 stops8h 05m

Lambert-St Louis

Tue 1/20

6:35 am-4:37 pm

2 stops12h 02m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 51 results
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Best time to book a flight from Eugene to Illinois

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

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

Currently, December is the cheapest month in which you can book a flight from Eugene to Illinois (average of $121). Flying from Eugene to Illinois in March is currently the most expensive (average of $439). 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 EUG to IL?

Find hourly flight availability from Eugene to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Eugene to Illinois in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Eugene to Illinois, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,478 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Eugene to Illinois. 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 from for flights from Eugene to Illinois?

    Eugene (EUG) is the airport you will fly out of if you book a flight from Eugene to Illinois. It is only a 7.8 mi journey to Eugene (EUG) from Eugene’s city center.

  • How long is the flight from Eugene to Illinois?

    Airlines like Alaska Airlines, Delta, and Southwest fly from Eugene to Illinois in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 12h 24m. The distance between Eugene and Illinois is about 1786 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $139. Users have also found prices from $143 and $162 on United Airlines and Delta, respectively.

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

    The most popular flight routes from Eugene to Illinois are Eugene - Chicago O'Hare Intl, Eugene - Chicago Midway and Eugene - Lambert-St Louis.

  • What are the cheapest flights from Eugene to Illinois?

    The cheapest flight price from Eugene to Illinois is $288. On average you can expect to pay $451. The most popular route, (Eugene - Chicago O'Hare Intl), can usually be booked for $238.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Eugene to Illinois (average of $121). Flying from Eugene to Illinois in March is currently the most expensive (average of $439). 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

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Top 5 airlines flying from Eugene to Illinois

Discover the top 5 airlines that operate flights from Eugene to Illinois. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$399FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$179Average$433FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$282Average$436FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$282Average$471FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$328Average$656FlexibilityNo cancel feeOn-time71%

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