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$137+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$220
(Kiwi.com)

One-way from

$137
(Alaska Airlines)

Popular in

October

Cheapest in

August

Average price

$616
Provider with most accurate pricing for Eugene-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Eugene-Chicago (CHI) flights.
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From Eugene to Illinois
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One-way flight from Eugene to Illinois
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:13 pmEUG - ORD
1 stop8h 46mAlaska Airlines
Fri 12/125:51 pmORD - EUG
1 stop8h 32mAlaska Airlines
Deal found 10/27$257
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:50 pmEUG - ORD
1 stop22h 58mMultiple Airlines
Wed 11/191:48 pmORD - EUG
2 stops25h 26mMultiple Airlines
Deal found 10/29$275
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.
Thu 12/412:59 pmEUG - ORD
2 stops15h 22mAlaska Airlines
Sat 12/138:00 amORD - EUG
1 stop11h 08mAlaska Airlines
Deal found 10/29$288
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:24 amEUG - STL
2 stops10h 05mDelta
Thu 1/12:18 pmSTL - EUG
2 stops8h 54mDelta
Deal found 10/29$335
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.
Thu 12/181:00 pmEUG - ORD
1 stop14h 02mAlaska Airlines
Mon 1/58:00 amORD - EUG
1 stop18h 22mAlaska Airlines
Deal found 10/29$340
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.
Sun 12/213:55 pmEUG - ORD
1 stop11h 07mAlaska Airlines
Mon 1/58:00 amORD - EUG
1 stop18h 22mAlaska Airlines
Deal found 10/29$342
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:50 pmEUG - ORD
1 stop22h 58mMultiple Airlines
Thu 11/206:45 pmORD - EUG
2 stops24h 15mMultiple Airlines
Deal found 10/29$364
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:00 amEUG - ORD
1 stop19h 21mAlaska Airlines
Fri 1/26:00 amORD - EUG
1 stop20h 22mAlaska Airlines
Deal found 10/28$367
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:45 amEUG - STL
1 stop8h 20mSouthwest
Thu 1/18:00 amSTL - EUG
1 stop7h 50mSouthwest
Deal found 10/29$371
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:55 pmEUG - MDW
1 stop14h 24mMultiple Airlines
Sun 1/43:01 pmMDW - EUG
1 stop24h 47mMultiple Airlines
Deal found 10/29$409
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:45 amEUG - MDW
2 stops12h 10mSouthwest
Sat 12/138:15 amMDW - EUG
1 stop13h 30mSouthwest
Deal found 10/29$417
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:52 pmEUG - MLI
2 stops13h 23mUnited Airlines
Tue 11/188:52 amMLI - EUG
1 stop6h 15mUnited Airlines
Deal found 10/28$419

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 October 30, 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

Tue 3/10

6:15 am-11:44 pm

1 stop15h 29m

Chicago O'Hare Intl

Wed 3/11

2:20 pm-11:50 pm

1 stop11h 30m

$263

EugeneChicago

EUG - ORD

EUGORD

Eugene

Mon 12/8

12:59 pm-11:59 pm

2 stops9h 00m

Chicago O'Hare Intl

Fri 12/12

5:51 pm-12:23 am

1 stop8h 32m

$265

EugeneChicago

EUG - ORD

EUGORD

Eugene

Sat 1/10

11:25 am-11:53 pm

1 stop10h 28m

Chicago O'Hare Intl

Sun 1/11

2:20 pm-11:02 pm

1 stop10h 42m

$283

EugeneChicago

EUG - ORD

EUGORD

Eugene

Fri 1/9

5:34 pm-11:37 pm

1 stop28h 03m

Chicago O'Hare Intl

Mon 1/12

6:06 pm-1:08 pm

1 stop21h 02m

$283

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 1/8

11:25 am-11:53 pm

1 stop10h 28m

Chicago O'Hare Intl

Wed 1/14

2:20 pm-11:02 pm

1 stop10h 42m

$283

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 1/8

11:25 am-11:53 pm

1 stop10h 28m

Chicago O'Hare Intl

Tue 1/13

2:20 pm-11:02 pm

1 stop10h 42m

$283

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Tue 3/10

6:15 am-6:34 pm

2 stops10h 19m

Chicago Midway

Wed 3/11

2:00 pm-11:50 pm

2 stops11h 50m

$287

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 12/4

12:59 pm-6:21 am

2 stops15h 22m

Chicago O'Hare Intl

Sat 12/13

8:00 am-5:08 pm

1 stop11h 08m

$288

EugeneChicago

EUG - ORD

EUGORD

Eugene

Fri 1/9

5:34 pm-11:37 pm

1 stop28h 03m

Chicago O'Hare Intl

Tue 1/13

8:00 am-3:19 pm

2 stops9h 19m

$288

EugeneChicago

EUG - ORD

EUGORD

Eugene

Thu 1/8

9:00 am-11:55 pm

1 stop12h 55m

Chicago O'Hare Intl

Tue 1/13

2:06 pm-9:30 pm

2 stops9h 24m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, July is the cheapest month in which you can book a flight from Eugene to Illinois (average of $169). 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 October 30, 2025.

It’s typically best to fly out from Eugene to Illinois in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Eugene to Illinois?

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 October 30, 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
11,217 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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, Alaska Airlines, and Southwest fly from Eugene to Illinois in about 8h 20m. The time it takes to get you to your destination can typically vary by up to 7h 09m. 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 Alaska Airlines. According to our data, you can fly for as low as $137. Users have also found prices from $152 and $215 on Delta and Southwest, 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 - Lambert-St Louis and Eugene - Chicago Midway.

  • 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, July is the cheapest month in which you can book a flight from Eugene to Illinois (average of $169). 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.

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Alternative routes for Eugene to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$369FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$485FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$286Average$435FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$328Average$538FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$372Average$449FlexibilityNo cancel feeOn-time63%

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