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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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — ORD
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$270
(Alaska Airlines)

One-way from

$137
(Hawaiian Airlines)

Popular in

June

Cheapest in

January

Average price

$383
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. 11% potential increase in price ($54 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 April 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 abril 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/2112:45 pmEUG - ORD
1 stop9h 11mAlaska Airlines
mar. 5/275:58 pmORD - EUG
1 stop7h 57mAlaska Airlines
Deal found 4/28$270
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/41:37 pmEUG - ORD
1 stop8h 22mHawaiian Airlines
sáb. 6/76:00 amORD - EUG
1 stop8h 37mHawaiian Airlines
Deal found 4/29$274
This Delta deal was found by Cheapflights users on 4/29. 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.
mié. 5/287:00 amEUG - ORD
2 stops12h 40mDelta
mié. 6/47:30 amORD - EUG
2 stops11h 13mDelta
Deal found 4/29$289
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/85:20 amEUG - MDW
2 stops10h 19mDelta
mar. 7/151:09 pmMDW - EUG
2 stops11h 40mDelta
Deal found 4/28$323
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/266:03 amEUG - STL
1 stop6h 04mHawaiian Airlines
sáb. 6/147:32 pmSTL - EUG
1 stop6h 27mHawaiian Airlines
Deal found 4/28$336
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/116:35 amEUG - STL
2 stops8h 14mDelta
mar. 7/87:15 amSTL - EUG
2 stops11h 27mDelta
Deal found 4/28$338
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/217:45 amEUG - STL
1 stop8h 30mSouthwest
dom. 5/2510:00 amSTL - EUG
1 stop8h 55mSouthwest
Deal found 4/28$346
This United Airlines deal was found by Cheapflights users on 4/28. 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.
vie. 5/161:16 pmEUG - STL
1 stop8h 42mUnited Airlines
lun. 5/197:00 amSTL - EUG
1 stop7h 14mUnited Airlines
Deal found 4/28$352
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/812:20 pmEUG - MDW
2 stops10h 35mSouthwest
mar. 7/152:50 pmMDW - EUG
1 stop10h 40mSouthwest
Deal found 4/28$357
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/2612:45 pmEUG - STL
2 stops9h 19mAlaska Airlines
sáb. 6/147:32 pmSTL - EUG
1 stop6h 27mAlaska Airlines
Deal found 4/28$375
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/151:15 pmEUG - ORD
1 stop8h 41mAmerican Airlines
vie. 5/1611:45 amORD - EUG
1 stop9h 46mAmerican Airlines
Deal found 4/29$401
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/211:10 pmEUG - STL
1 stop7h 35mAmerican Airlines
lun. 5/265:19 amSTL - EUG
1 stop9h 08mAmerican Airlines
Deal found 4/28$405

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 abril 29, 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. 5/21

12:45 pm-11:56 pm

1 stop9h 11m

Chicago O'Hare Intl

mar. 5/27

5:58 pm-11:55 pm

1 stop7h 57m

$270

EugeneChicago

EUG - ORD

EUGORD

Eugene

mié. 6/4

1:37 pm-11:59 pm

1 stop8h 22m

Chicago O'Hare Intl

sáb. 6/7

6:00 am-12:37 pm

1 stop8h 37m

$274

EugeneChicago

EUG - ORD

EUGORD

Eugene

mié. 5/28

7:00 am-9:40 pm

2 stops12h 40m

Chicago O'Hare Intl

mié. 6/4

7:30 am-4:43 pm

2 stops11h 13m

$289

EugeneChicago

EUG - MDW

EUGMDW

Eugene

mar. 7/8

5:20 am-5:39 pm

2 stops10h 19m

Chicago Midway

mar. 7/15

1:09 pm-10:49 pm

2 stops11h 40m

$323

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

lun. 5/26

6:03 am-2:07 pm

1 stop6h 04m

Lambert-St Louis

sáb. 6/14

7:32 pm-11:59 pm

1 stop6h 27m

$336

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 6/11

6:35 am-4:49 pm

2 stops8h 14m

Lambert-St Louis

mar. 7/8

7:15 am-4:42 pm

2 stops11h 27m

$338

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

mié. 5/21

7:45 am-6:15 pm

1 stop8h 30m

Lambert-St Louis

dom. 5/25

10:00 am-4:55 pm

1 stop8h 55m

$346

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

vie. 5/16

1:16 pm-11:58 pm

1 stop8h 42m

Lambert-St Louis

lun. 5/19

7:00 am-12:14 pm

1 stop7h 14m

$352

EugeneChicago

EUG - MDW

EUGMDW

Eugene

mar. 7/8

12:20 pm-12:55 am

2 stops10h 35m

Chicago Midway

mar. 7/15

2:50 pm-11:30 pm

1 stop10h 40m

$357

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

lun. 5/26

12:45 pm-12:04 am

2 stops9h 19m

Lambert-St Louis

sáb. 6/14

7:32 pm-11:59 pm

1 stop6h 27m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 33 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 abril 29, 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 abril 29, 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
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

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 Hawaiian Airlines. According to our data, you can fly for as low as $137. Users have also found prices from $143 and $157 on Alaska Airlines and American 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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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$404FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$306Average$568FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$506FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$332Average$537FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$372Average$449FlexibilityNo cancel feeOn-time63%

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