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$173+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Delta)

One-way from

$173
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$569
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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Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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 5/107:15 amEUG - ORD
1 stop8h 14mDelta
Wed 5/146:20 pmORD - EUG
1 stop6h 37mDelta
Deal found 3/26$295
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/171:37 pmEUG - ORD
1 stop8h 22mHawaiian Airlines
Wed 5/217:00 amORD - EUG
1 stop6h 28mHawaiian Airlines
Deal found 3/27$303
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:21 pmEUG - ORD
1 stop22h 55mAlaska Airlines
Wed 5/76:00 amORD - EUG
1 stop12h 41mAlaska Airlines
Deal found 3/27$315
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 4/185:55 amEUG - STL
1 stop5h 33mDelta
Sat 4/1910:30 amSTL - EUG
2 stops12h 29mDelta
Deal found 3/27$326
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/176:00 amEUG - STL
1 stop6h 15mAlaska Airlines
Sat 4/196:44 amSTL - EUG
1 stop7h 41mAlaska Airlines
Deal found 3/27$336
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:00 amEUG - STL
1 stop6h 15mHawaiian Airlines
Sun 4/206:44 amSTL - EUG
1 stop7h 47mHawaiian Airlines
Deal found 3/27$346
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 5/13:15 pmEUG - STL
1 stop6h 35mAmerican Airlines
Sun 5/47:33 amSTL - EUG
1 stop8h 09mAmerican Airlines
Deal found 3/26$373
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:40 pmEUG - MDW
2 stops8h 40mSouthwest
Tue 5/208:20 amMDW - EUG
2 stops9h 25mSouthwest
Deal found 3/27$377
This Southwest deal was found by Cheapflights users on 3/26. 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 6/283:30 pmEUG - ORD
2 stops18h 20mSouthwest
Sat 7/56:55 pmORD - EUG
1 stop6h 30mSouthwest
Deal found 3/26$404
This Delta deal was found by Cheapflights users on 3/26. 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 4/265:00 amEUG - MDW
2 stops10h 19mDelta
Mon 4/283:02 pmMDW - EUG
2 stops10h 44mDelta
Deal found 3/26$433
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:55 pmEUG - PIA
2 stops13h 17mUnited Airlines
Tue 4/158:50 amPIA - EUG
1 stop6h 12mUnited Airlines
Deal found 3/27$434
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:00 amEUG - STL
1 stop8h 52mUnited Airlines
Tue 5/207:00 amSTL - EUG
1 stop7h 14mUnited Airlines
Deal found 3/27$462

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 March 28, 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 5/10

7:15 am-5:29 pm

1 stop8h 14m

Chicago O'Hare Intl

Wed 5/14

6:20 pm-10:57 pm

1 stop6h 37m

$295

EugeneChicago

EUG - ORD

EUGORD

Eugene

Sat 5/17

1:37 pm-11:59 pm

1 stop8h 22m

Chicago O'Hare Intl

Wed 5/21

7:00 am-11:28 am

1 stop6h 28m

$303

EugeneChicago

EUG - ORD

EUGORD

Eugene

Fri 5/2

5:21 pm-6:16 pm

1 stop22h 55m

Chicago O'Hare Intl

Wed 5/7

6:00 am-4:41 pm

1 stop12h 41m

$315

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 4/18

5:55 am-1:28 pm

1 stop5h 33m

Lambert-St Louis

Sat 4/19

10:30 am-8:59 pm

2 stops12h 29m

$326

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 4/17

6:00 am-2:15 pm

1 stop6h 15m

Lambert-St Louis

Sat 4/19

6:44 am-12:25 pm

1 stop7h 41m

$336

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Fri 4/18

6:00 am-2:15 pm

1 stop6h 15m

Lambert-St Louis

Sun 4/20

6:44 am-12:31 pm

1 stop7h 47m

$346

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Thu 5/1

3:15 pm-11:50 pm

1 stop6h 35m

Lambert-St Louis

Sun 5/4

7:33 am-1:42 pm

1 stop8h 09m

$373

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Fri 5/16

6:40 pm-5:20 am

2 stops8h 40m

Chicago Midway

Tue 5/20

8:20 am-3:45 pm

2 stops9h 25m

$377

EugeneChicago

EUG - ORD

EUGORD

Eugene

Sat 6/28

3:30 pm-11:50 am

2 stops18h 20m

Chicago O'Hare Intl

Sat 7/5

6:55 pm-11:25 pm

1 stop6h 30m

$404

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Sat 4/26

5:00 am-5:19 pm

2 stops10h 19m

Chicago Midway

Mon 4/28

3:02 pm-11:46 pm

2 stops10h 44m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 25 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 $323). 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 March 28, 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.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 28, 2025.
To help decide which airline to fly from Eugene to Illinois, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 $173. Users have also found prices from $183 and $189 on Hawaiian 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.

  • 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 $323). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$404FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$560FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$506FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$332Average$569FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$366Average$456FlexibilityNo cancel feeOn-time63%
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