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$93+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Eugene to Illinois

Keep the following information in mind while searching for Eugene to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$235
(Delta)

One-way from

$93
(Southwest)

Popular in

March

Cheapest in

August

Average price

$307
From Eugene to Illinois
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One-way flight from Eugene to Illinois
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Highest demand for flights based on searches. 8% potential increase in price ($39 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 September 2025
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Find 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 12/67:00 amEUG - ORD
1 stop8h 18mDelta
Fri 12/126:13 pmORD - EUG
1 stop6h 58mDelta
Deal found 9/13$235
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 11/54:07 pmEUG - ORD
1 stop10h 54mAlaska Airlines
Mon 11/107:00 amORD - EUG
1 stop7h 44mAlaska Airlines
Deal found 9/13$254
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 11/41:11 pmEUG - ORD
1 stop8h 48mUnited Airlines
Sun 11/96:15 amORD - EUG
1 stop7h 54mUnited Airlines
Deal found 9/12$261
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 11/54:07 pmEUG - ORD
1 stop10h 54mAlaska Airlines
Sun 11/97:00 amORD - EUG
1 stop7h 44mAlaska Airlines
Deal found 9/13$267
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/217:00 amEUG - ORD
1 stop8h 10mDelta
Tue 10/286:05 pmORD - EUG
1 stop7h 09mDelta
Deal found 9/14$277
This Delta deal was found by Cheapflights users on 9/13. 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 11/511:29 amEUG - ORD
2 stops8h 14mDelta
Mon 11/106:13 pmORD - EUG
1 stop7h 00mDelta
Deal found 9/13$279
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/217:00 amEUG - ORD
1 stop8h 10mDelta
Wed 10/296:08 amORD - EUG
2 stops12h 21mDelta
Deal found 9/14$282
This Southwest deal was found by Cheapflights users on 9/12. 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 11/42:30 pmEUG - MDW
1 stop12h 35mSouthwest
Sun 11/97:45 amMDW - EUG
1 stop8h 30mSouthwest
Deal found 9/12$286
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 10/287:00 amEUG - ORD
2 stops9h 41mDelta
Wed 11/51:55 pmORD - EUG
2 stops11h 19mDelta
Deal found 9/14$287
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/221:47 pmEUG - ORD
1 stop8h 12mAlaska Airlines
Fri 10/313:25 pmORD - EUG
1 stop7h 45mAlaska Airlines
Deal found 9/14$288
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:40 pmEUG - MDW
1 stop5h 25mSouthwest
Sun 11/97:45 amMDW - EUG
1 stop8h 30mSouthwest
Deal found 9/15$288
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/238:55 pmEUG - ORD
1 stop21h 59mMultiple Airlines
Wed 10/296:25 pmORD - EUG
2 stops21h 47mMultiple Airlines
Deal found 9/14$292

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 September 15, 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

Sat 12/6

7:00 am-5:18 pm

1 stop8h 18m

Chicago O'Hare Intl

Fri 12/12

6:13 pm-11:11 pm

1 stop6h 58m

$235

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 3/3

5:00 am-1:52 pm

1 stop6h 52m

Lambert-St Louis

Wed 3/4

7:00 am-12:37 pm

1 stop7h 37m

$242

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 11/5

4:07 pm-5:01 am

1 stop10h 54m

Chicago O'Hare Intl

Mon 11/10

7:00 am-12:44 pm

1 stop7h 44m

$254

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 11/4

1:11 pm-11:59 pm

1 stop8h 48m

Chicago O'Hare Intl

Sun 11/9

6:15 am-12:09 pm

1 stop7h 54m

$261

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 11/5

4:07 pm-5:01 am

1 stop10h 54m

Chicago O'Hare Intl

Sun 11/9

7:00 am-12:44 pm

1 stop7h 44m

$267

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 3/3

5:00 am-1:52 pm

1 stop6h 52m

Lambert-St Louis

Wed 3/4

7:00 am-3:13 pm

2 stops10h 13m

$274

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 10/22

1:47 pm-11:59 pm

1 stop8h 12m

Chicago O'Hare Intl

Wed 10/29

9:20 am-5:49 pm

1 stop10h 29m

$277

EugeneChicago

EUG - ORD

EUGORD

Eugene

Wed 11/5

11:29 am-9:43 pm

2 stops8h 14m

Chicago O'Hare Intl

Mon 11/10

6:13 pm-11:13 pm

1 stop7h 00m

$279

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Wed 11/5

2:30 pm-5:05 am

1 stop12h 35m

Chicago Midway

Sun 11/9

7:45 am-2:15 pm

1 stop8h 30m

$286

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Tue 11/4

2:30 pm-5:05 am

1 stop12h 35m

Chicago Midway

Sun 11/9

7:45 am-2:15 pm

1 stop8h 30m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 53 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, August is the cheapest month in which you can book a flight from Eugene to Illinois (average of $245). Flying from Eugene to Illinois in March is currently the most expensive (average of $321). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Eugene to Illinois as you normally would.

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 September 15, 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
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Delta
8.0
Very good
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
8,929 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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 Delta, Hawaiian Airlines, and Alaska Airlines fly from Eugene to Illinois in about 6h 52m. The time it takes to get you to your destination can typically vary by up to 4h 02m. The distance between Eugene and Illinois is about 1728 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 $93. Users have also found prices from $105 and $123 on Delta and Alaska Airlines, 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.

  • 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, August is the cheapest month in which you can book a flight from Eugene to Illinois (average of $245). Flying from Eugene to Illinois in March is currently the most expensive (average of $321). 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.

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$380FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$489FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$290Average$471FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$351Average$538FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$372Average$449FlexibilityNo cancel feeOn-time63%

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