What is the cheapest airline that flies from Eugene to Illinois?

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Eugene to Illinois

What airlines fly to Illinois?

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Eugene according to our data. Alaska Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Eugene Airport to Illinois?

Prices for flights from Eugene Airport to Illinois are updated daily.

How many operators does momondo search for flights from Eugene Airport to Illinois?

As of March 2026, there are 4 operators available to choose from for flights from Eugene Airport to Illinois.

How old do you have to be to fly from Eugene Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Eugene Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$87 Cheap Flights from Eugene to Illinois in 2026

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Find the cheapest flights from Eugene to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:28 pm - 9:18 pm

EUG

ORD

6h 50m

1 stop

6:00 pm - 11:58 pm

ORD

EUG

7h 58m

1 stop

$177Delta

Tue, Apr 14 - Tue, Apr 21

6:35 am - 4:35 pm

EUG

MDW

8h 00m

2 stops

6:30 am - 10:45 am

MDW

EUG

6h 15m

1 stop

$180Southwest

Tue, Apr 21 - Tue, Apr 28

6:30 am - 9:18 pm

EUG

ORD

12h 48m

2 stops

6:00 pm - 11:58 pm

ORD

EUG

7h 58m

1 stop

$182Delta

Tue, Apr 14 - Tue, Apr 21

6:35 am - 4:35 pm

EUG

MDW

8h 00m

2 stops

2:15 pm - 11:05 pm

MDW

EUG

10h 50m

2 stops

$185Southwest

Tue, Apr 21 - Tue, Apr 28

1:23 pm - 11:59 pm

EUG

STL

8h 36m

1 stop

4:46 pm - 9:54 pm

STL

EUG

7h 08m

1 stop

$331Alaska Airlines

Tue, May 5 - Wed, May 6

5:25 am - 4:37 pm

EUG

STL

9h 12m

1 stop

7:41 pm - 9:41 am

STL

EUG

16h 00m

1 stop

$363Alaska Airlines

Sat, May 30 - Sat, Jun 6

12:33 pm - 9:16 pm

EUG

STL

6h 43m

1 stop

5:10 am - 12:01 pm

STL

EUG

8h 51m

2 stops

$364United Airlines

Sat, May 30 - Sat, Jun 6

1:07 pm - 10:49 pm

EUG

PIA

7h 42m

1 stop

6:30 am - 12:00 pm

PIA

EUG

7h 30m

1 stop

$391United Airlines

Sat, May 2 - Wed, May 6

6:40 am - 11:38 pm

EUG

SPI

14h 58m

2 stops

5:45 am - 9:24 pm

SPI

EUG

17h 39m

2 stops

$1,019American Airlines

Fri, Apr 17 - Sun, Apr 19

6:40 am - 11:38 pm

EUG

SPI

14h 58m

2 stops

5:45 am - 9:24 pm

SPI

EUG

17h 39m

2 stops

$1,091American Airlines

Fri, Apr 17 - Sun, Apr 19

Alaska Airlines flights from Eugene to Illinois

Our best Alaska Airlines deals on Eugene to Illinois flight tickets

Alaska Airlines

Apr 14

EUG7:00 amEugene

9h 40m

1 stop

ORD6:40 pmChicago O'Hare Intl

Apr 21

ORD4:10 pmChicago O'Hare Intl

8h 20m

1 stop

EUG10:30 pmEugene

$257

Alaska Airlines

Jul 14

EUG7:50 amEugene

9h 10m

1 stop

ORD7:00 pmChicago O'Hare Intl

Jul 28

ORD2:20 pmChicago O'Hare Intl

9h 26m

1 stop

EUG9:46 pmEugene

$307

Alaska Airlines

Sep 18

EUG6:00 amEugene

9h 01m

1 stop

ORD5:01 pmChicago O'Hare Intl

Sep 20

ORD5:55 pmChicago O'Hare Intl

8h 28m

1 stop

EUG12:23 amEugene

$318

United Airlines flights from Eugene to Illinois

Our best United Airlines deals on Eugene to Illinois flight tickets

United Airlines

Apr 28

EUG2:00 pmEugene

7h 29m

1 stop

ORD11:29 pmChicago O'Hare Intl

May 2

ORD9:15 amChicago O'Hare Intl

4h 45m

EUG12:00 pmEugene

$339

United Airlines

Jun 11

EUG12:33 pmEugene

4h 10m

ORD6:43 pmChicago O'Hare Intl

Jun 15

ORD8:53 amChicago O'Hare Intl

4h 44m

EUG11:37 amEugene

$360

United Airlines

May 30

EUG12:33 pmEugene

6h 43m

1 stop

STL9:16 pmLambert-St Louis

Jun 6

STL5:10 amLambert-St Louis

8h 51m

2 stops

EUG12:01 pmEugene

$364

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/14

12:28 pm-9:18 pm

1 stop6h 50m

Chicago O'Hare Intl

Tue 4/21

6:00 pm-11:58 pm

1 stop7h 58m

$177

Quickest round-trip

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Tue 4/21

6:35 am-4:35 pm

2 stops8h 00m

Chicago Midway

Tue 4/28

6:30 am-10:45 am

1 stop6h 15m

$180

EugeneChicago

EUG - ORD

EUGORD

Eugene

Tue 4/14

6:30 am-9:18 pm

2 stops12h 48m

Chicago O'Hare Intl

Tue 4/21

6:00 pm-11:58 pm

1 stop7h 58m

$182

EugeneChicago

EUG - MDW

EUGMDW

Eugene

Tue 4/21

6:35 am-4:35 pm

2 stops8h 00m

Chicago Midway

Tue 4/28

2:15 pm-11:05 pm

2 stops10h 50m

$185

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Tue 5/5

1:23 pm-11:59 pm

1 stop8h 36m

Lambert-St Louis

Wed 5/6

4:46 pm-9:54 pm

1 stop7h 08m

$331

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 5/30

5:25 am-4:37 pm

1 stop9h 12m

Lambert-St Louis

Sat 6/6

7:41 pm-9:41 am

1 stop16h 00m

$363

EugeneSt. Louis

EUG - STL

EUGSTL

Eugene

Sat 5/30

12:33 pm-9:16 pm

1 stop6h 43m

Lambert-St Louis

Sat 6/6

5:10 am-12:01 pm

2 stops8h 51m

$364

EugenePeoria

EUG - PIA

EUGPIA

Eugene

Sat 5/2

1:07 pm-10:49 pm

1 stop7h 42m

Greater Peoria

Wed 5/6

6:30 am-12:00 pm

1 stop7h 30m

$391

EugeneSpringfield

EUG - SPI

EUGSPI

Eugene

Fri 4/17

6:40 am-11:38 pm

2 stops14h 58m

Springfield Capital

Sun 4/19

5:45 am-9:24 pm

2 stops17h 39m

$1,019

EugeneSpringfield

EUG - SPI

EUGSPI

Eugene

Fri 4/17

6:40 am-11:38 pm

2 stops14h 58m

Springfield Capital

Sun 4/19

5:45 am-9:24 pm

2 stops17h 39m

$1,091

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Eugene to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Eugene is in February. Flight prices, which tend to average around $289, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $300.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Eugene to Illinois is on a Saturday when prices can be found for as low as $377. Flights from Eugene to Illinois on a Thursday will generally be more expensive and average around $496. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Eugene to Illinois during this time can be as low as $359. Flights in the morning are often more expensive with an average ticket price of $425.

What is the cheapest Eugene to Illinois flight route?

Fly from Eugene to Chicago O'Hare Intl for the best Eugene - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Eugene when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Eugene for as low as $294 on momondo.

What cabin class options are available on Eugene to Illinois flights?

There are 4 cabin classes available to choose from on Eugene to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Eugene to Illinois flights?

You could potentially save up to 27% on your flight if you consider stops on a Eugene to Illinois flight.

Cheap Eugene to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Eugene to Illinois

Best Price Found	$168
Fastest flight time	3h 52m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Eugene in the past 72 hours is $168. The best round-trip flight deal from Eugene to Illinois found on momondo in the last 72 hours is $328.

The fastest flight from Eugene to Illinois takes 3h 52m

Direct flights go from Eugene to Illinois every day.

There are 98 airports in Illinois. From Eugene there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Eugene Airport to Illinois?
Prices for flights from Eugene Airport to Illinois are updated daily.
How many operators does momondo search for flights from Eugene Airport to Illinois?
As of March 2026, there are 4 operators available to choose from for flights from Eugene Airport to Illinois.
How old do you have to be to fly from Eugene Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Eugene Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Eugene to Illinois?
Based on momondo bookings for flights between Eugene and Illinois, the leading plane model is Airbus A319, making up 69.70% of the total bookings. Other popular models include Boeing 737 MAX 8 with 27.27% and Boeing 737-800 with 3.03%.

Best airlines flying from Eugene to Illinois

Compare and see reviews for airlines that fly from Eugene to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,322 reviews	Search Delta flights
Alaska Airlines	PriceFrom $274	Free Cancellation	Rating 7.9 12,104 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 9,471 reviews	Search United Airlines flights
Southwest	PriceFrom $388	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Eugene to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Eugene to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Eugene to Illinois with flexible booking policies on momondo?

Flights from Eugene to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Eugene to Illinois?

Once all potential Eugene to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Eugene to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Eugene and alert you when they change.