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$107+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$222
(Alaska Airlines)

One-way from

$107
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$463
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. 2% potential increase in price ($9 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 June 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 junio 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/9. 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. 8/131:30 pmEUG - ORD
1 stop14h 10mAlaska Airlines
sáb. 8/165:55 pmORD - EUG
1 stop8h 04mAlaska Airlines
Deal found 6/9$222
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/121:35 pmEUG - ORD
1 stop8h 24mHawaiian Airlines
mar. 9/168:00 amORD - EUG
1 stop6h 39mHawaiian Airlines
Deal found 6/12$238
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 7/92:02 pmEUG - ORD
1 stop7h 11mUnited Airlines
jue. 7/174:50 pmORD - EUG
1 stop7h 54mUnited Airlines
Deal found 6/10$239
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/205:45 pmEUG - STL
1 stop18h 54mAlaska Airlines
dom. 8/246:30 pmSTL - EUG
1 stop7h 29mAlaska Airlines
Deal found 6/12$260
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/109:32 pmEUG - ORD
1 stop14h 41mMultiple Airlines
jue. 7/177:08 amORD - EUG
1 stop9h 53mMultiple Airlines
Deal found 6/10$265
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/206:30 amEUG - STL
2 stops9h 46mDelta
dom. 8/247:11 pmSTL - EUG
1 stop6h 33mDelta
Deal found 6/12$266
This Delta deal was found by Cheapflights users on 6/11. 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. 7/1012:30 pmEUG - ORD
1 stop7h 38mDelta
lun. 7/146:15 pmORD - EUG
1 stop6h 34mDelta
Deal found 6/11$269
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:00 amEUG - STL
1 stop9h 30mAmerican Airlines
dom. 8/176:14 pmSTL - EUG
1 stop7h 18mAmerican Airlines
Deal found 6/12$279
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 7/157:00 amEUG - ORD
1 stop8h 59mAmerican Airlines
sáb. 7/194:39 pmORD - EUG
1 stop8h 27mAmerican Airlines
Deal found 6/10$284
This Southwest deal was found by Cheapflights users on 6/10. 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.
vie. 7/411:00 amEUG - MDW
1 stop8h 00mSouthwest
jue. 7/108:20 amMDW - EUG
1 stop9h 45mSouthwest
Deal found 6/10$324
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 8/51:30 pmEUG - STL
1 stop8h 29mHawaiian Airlines
mié. 8/67:32 pmSTL - EUG
1 stop6h 27mHawaiian Airlines
Deal found 6/10$345
This Southwest deal was found by Cheapflights users on 6/10. 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.
vie. 7/411:00 amEUG - ORD
1 stop10h 05mSouthwest
jue. 7/1012:40 pmORD - EUG
2 stops11h 30mSouthwest
Deal found 6/10$375

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 junio 12, 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

mié. 8/13

1:30 pm-5:40 am

1 stop14h 10m

Chicago O'Hare Intl

sáb. 8/16

5:55 pm-11:59 pm

1 stop8h 04m

$222

EugeneChicago

EUG - ORD

EUGORD

Eugene

mié. 7/9

2:02 pm-11:13 pm

1 stop7h 11m

Chicago O'Hare Intl

jue. 7/17

4:50 pm-10:44 pm

1 stop7h 54m

$239

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 8/20

5:45 pm-2:39 pm

1 stop18h 54m

Lambert-St Louis

dom. 8/24

6:30 pm-11:59 pm

1 stop7h 29m

$260

EugeneChicago

EUG - ORD

EUGORD

Eugene

jue. 7/10

9:32 pm-2:13 pm

1 stop14h 41m

Chicago O'Hare Intl

jue. 7/17

7:08 am-3:01 pm

1 stop9h 53m

$265

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 8/20

6:30 am-6:16 pm

2 stops9h 46m

Lambert-St Louis

dom. 8/24

7:11 pm-11:44 pm

1 stop6h 33m

$266

EugeneChicago

EUG - ORD

EUGORD

Eugene

jue. 7/10

12:30 pm-10:08 pm

1 stop7h 38m

Chicago O'Hare Intl

lun. 7/14

6:15 pm-10:49 pm

1 stop6h 34m

$269

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

jue. 8/14

6:00 am-5:30 pm

1 stop9h 30m

Lambert-St Louis

dom. 8/17

6:14 pm-11:32 pm

1 stop7h 18m

$279

EugeneChicago

EUG - ORD

EUGORD

Eugene

vie. 8/1

1:30 pm-11:59 pm

1 stop8h 29m

Chicago O'Hare Intl

mar. 8/5

7:00 am-11:42 am

1 stop6h 42m

$279

EugeneChicago

EUG - ORD

EUGORD

Eugene

mar. 7/15

7:00 am-5:59 pm

1 stop8h 59m

Chicago O'Hare Intl

sáb. 7/19

4:39 pm-11:06 pm

1 stop8h 27m

$284

EugeneChicago

EUG - MDW

EUGMDW

Eugene

vie. 7/4

11:00 am-9:00 pm

1 stop8h 00m

Chicago Midway

jue. 7/10

8:20 am-4:05 pm

1 stop9h 45m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 35 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 junio 12, 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 junio 12, 2025.
To help decide which airline to fly from Eugene to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $107. Users have also found prices from $119 and $120 on Hawaiian Airlines and United 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 - 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, 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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Alternative routes for Eugene to Illinois

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$265Average$538FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$303Average$536FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$306Average$575FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$372Average$449FlexibilityNo cancel feeOn-time63%

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