What airlines fly to Illinois?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Illinois from Eugene according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Eugene to Illinois on average per week?

As of August 2026, 7 flights take off from Eugene and land in Illinois each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

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

How many flights depart from Eugene to Illinois on average per day?

As of August 2026, 1 flights take off from Eugene and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

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 August 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.

$175 Cheap Flights from Eugene to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

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.

8:51 pm - 5:38 amEUG Eugene-ORD Chicago O'Hare Intl

30h 47m1 stop Las Vegas Harry Reid Intl

1:21 pm - 2:13 pmORD Chicago O'Hare Intl-EUG Eugene

26h 52m1 stop Las Vegas Harry Reid Intl

$336Multiple Airlines

Sun, Sep 20 - Wed, Sep 23

2:15 pm - 8:26 pmEUG Eugene-ORD Chicago O'Hare Intl

4h 11mnonstop

9:05 am - 11:50 amORD Chicago O'Hare Intl-EUG Eugene

4h 45mnonstop

$339United Airlines

Thu, Sep 24 - Mon, Sep 28

2:15 pm - 8:26 pmEUG Eugene-ORD Chicago O'Hare Intl

4h 11mnonstop

9:05 am - 11:50 amORD Chicago O'Hare Intl-EUG Eugene

4h 45mnonstop

$339United Airlines

Sat, Oct 10 - Wed, Oct 14

7:08 am - 7:21 pmEUG Eugene-ORD Chicago O'Hare Intl

10h 13m1 stop San Diego

11:35 am - 6:58 pmORD Chicago O'Hare Intl-EUG Eugene

9h 23m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

$342Alaska Airlines

Mon, Sep 14 - Tue, Sep 15

4:03 pm - 5:10 pmEUG Eugene-STL Lambert-St Louis

23h 07m1 stop Portland

6:29 am - 1:44 pmSTL Lambert-St Louis-EUG Eugene

9h 15m1 stop Seattle/Tacoma Intl

$349Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

5:20 am - 1:32 pmEUG Eugene-STL Lambert-St Louis

6h 12m1 stop Salt Lake City

7:00 pm - 11:49 pmSTL Lambert-St Louis-EUG Eugene

6h 49m1 stop Salt Lake City

$349Delta

Tue, Oct 20 - Tue, Oct 27

5:20 am - 1:38 pmEUG Eugene-STL Lambert-St Louis

6h 18m1 stop Salt Lake City

5:00 pm - 11:47 pmSTL Lambert-St Louis-EUG Eugene

8h 47m1 stop Salt Lake City

$349Delta

Sat, Sep 5 - Wed, Sep 9

5:24 am - 8:26 pmEUG Eugene-STL Lambert-St Louis

13h 02m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

2:30 pm - 7:17 pmSTL Lambert-St Louis-EUG Eugene

6h 47m1 stop Phoenix Sky Harbor Intl

$354American Airlines

Sat, Sep 5 - Wed, Sep 9

12:20 pm - 10:00 pmEUG Eugene-MDW Chicago Midway

7h 40m1 stop Denver Intl

6:50 am - 12:55 pmMDW Chicago Midway-EUG Eugene

8h 05m1 stop Las Vegas Harry Reid Intl

$359Southwest

Fri, Sep 11 - Wed, Sep 16

1:10 pm - 12:35 amEUG Eugene-MDW Chicago Midway

9h 25m1 stop San Diego

6:05 am - 10:40 amMDW Chicago Midway-EUG Eugene

6h 35m1 stop Denver Intl

$359Southwest

Mon, Oct 12 - Wed, Oct 14

Cheap last minute flights

Enter your travel dates to find the best prices.

5:24 am - 4:05 pmEUG Eugene-ORD Chicago O'Hare Intl

8h 41m1 stop Phoenix Sky Harbor Intl

5:00 am - 1:03 pmORD Chicago O'Hare Intl-EUG Eugene

10h 03m1 stop Phoenix Sky Harbor Intl

$468American Airlines

Mon, Aug 24 - Mon, Aug 31

2:19 pm - 8:30 pmEUG Eugene-ORD Chicago O'Hare Intl

4h 11mnonstop

3:56 pm - 9:17 pmORD Chicago O'Hare Intl-EUG Eugene

7h 21m1 stop Denver Intl

$479United Airlines

Mon, Aug 24 - Mon, Aug 31

6:10 am - 7:30 pmEUG Eugene-ORD Chicago O'Hare Intl

11h 20m2 stops Seattle/Tacoma Intl Minneapolis St Paul

5:56 pm - 11:59 pmORD Chicago O'Hare Intl-EUG Eugene

8h 03m1 stop Seattle/Tacoma Intl

$494Delta

Mon, Aug 24 - Mon, Aug 31

6:10 am - 7:30 pmEUG Eugene-ORD Chicago O'Hare Intl

11h 20m2 stops Seattle/Tacoma Intl Minneapolis St Paul

7:48 am - 5:03 pmORD Chicago O'Hare Intl-EUG Eugene

11h 15m2 stops Salt Lake City Seattle/Tacoma Intl

$499Delta

Mon, Aug 24 - Mon, Aug 31

2:07 pm - 12:28 amEUG Eugene-ORD Chicago O'Hare Intl

8h 21m1 stop Phoenix Sky Harbor Intl

5:00 am - 1:03 pmORD Chicago O'Hare Intl-EUG Eugene

10h 03m1 stop Phoenix Sky Harbor Intl

$507American Airlines

Sun, Aug 23 - Fri, Aug 28

2:19 pm - 8:30 pmEUG Eugene-ORD Chicago O'Hare Intl

4h 11mnonstop

10:25 am - 1:10 pmORD Chicago O'Hare Intl-EUG Eugene

4h 45mnonstop

$529United Airlines

Wed, Aug 26 - Mon, Aug 31

11:15 am - 8:45 pmEUG Eugene-MDW Chicago Midway

7h 30m1 stop Las Vegas Harry Reid Intl

4:25 pm - 10:40 pmMDW Chicago Midway-EUG Eugene

8h 15m1 stop Denver Intl

$549Southwest

Wed, Aug 26 - Mon, Aug 31

11:15 am - 8:45 pmEUG Eugene-MDW Chicago Midway

7h 30m1 stop Las Vegas Harry Reid Intl

6:30 am - 10:25 amMDW Chicago Midway-EUG Eugene

5h 55m1 stop Denver Intl

$549Southwest

Wed, Aug 26 - Sun, Aug 30

2:29 pm - 1:22 pmEUG Eugene-ORD Chicago O'Hare Intl

20h 53m1 stop San Diego

6:05 am - 12:41 pmORD Chicago O'Hare Intl-EUG Eugene

8h 36m1 stop San Diego

$554Alaska Airlines

Wed, Aug 26 - Thu, Sep 3

3:08 pm - 11:59 pmEUG Eugene-ORD Chicago O'Hare Intl

6h 51m1 stop Seattle/Tacoma Intl

2:18 pm - 8:19 pmORD Chicago O'Hare Intl-EUG Eugene

8h 01m1 stop San Diego

$578Alaska Airlines

Sat, Aug 22 - Sat, Aug 29

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Delta flights from Eugene to Illinois

Our best Delta deals on Eugene to Illinois flight tickets

Delta

Oct 20

EUG5:20 amEugene

6h 12m

1 stop

STL1:32 pmLambert-St Louis

Oct 27

STL7:00 pmLambert-St Louis

6h 49m

1 stop

EUG11:49 pmEugene

$349

Delta

Oct 20

EUG5:20 amEugene

6h 12m

1 stop

STL1:32 pmLambert-St Louis

Oct 27

STL3:35 pmLambert-St Louis

10h 14m

2 stops

EUG11:49 pmEugene

$354

Delta

Sep 18

EUG12:32 pmEugene

9h 25m

1 stop

ORD11:57 pmChicago O'Hare Intl

Sep 23

ORD7:40 pmChicago O'Hare Intl

6h 07m

1 stop

EUG11:47 pmEugene

$359

Alaska Airlines flights from Eugene to Illinois

Our best Alaska Airlines deals on Eugene to Illinois flight tickets

Alaska Airlines

Sep 22

EUG2:29 pmEugene

20h 53m

1 stop

ORD1:22 pmChicago O'Hare Intl

Sep 26

ORD2:18 pmChicago O'Hare Intl

8h 01m

1 stop

EUG8:19 pmEugene

$323

Alaska Airlines

Sep 25

EUG2:29 pmEugene

20h 53m

1 stop

ORD1:22 pmChicago O'Hare Intl

Sep 30

ORD2:18 pmChicago O'Hare Intl

8h 06m

1 stop

EUG8:24 pmEugene

$340

Alaska Airlines

Sep 14

EUG7:08 amEugene

10h 13m

1 stop

ORD7:21 pmChicago O'Hare Intl

Sep 15

ORD11:35 amChicago O'Hare Intl

9h 23m

2 stops

EUG6:58 pmEugene

$342

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneChicago

EUG Eugene - ORD Chicago O'Hare Intl

EUGORD

Eugene

Sun 9/20

8:51 pm-5:38 am

1 stop30h 47m

Chicago O'Hare Intl

Wed 9/23

1:21 pm-2:13 pm

1 stop26h 52m

$336

Quickest round-trip

EugeneChicago

EUG Eugene - ORD Chicago O'Hare Intl

EUGORD

Eugene

Thu 9/24

2:15 pm-8:26 pm

Nonstop4h 11m

Chicago O'Hare Intl

Mon 9/28

9:05 am-11:50 am

Nonstop4h 45m

$339

EugeneChicago

EUG Eugene - ORD Chicago O'Hare Intl

EUGORD

Eugene

Sat 10/10

2:15 pm-8:26 pm

Nonstop4h 11m

Chicago O'Hare Intl

Wed 10/14

9:05 am-11:50 am

Nonstop4h 45m

$339

EugeneChicago

EUG Eugene - ORD Chicago O'Hare Intl

EUGORD

Eugene

Mon 9/14

7:08 am-7:21 pm

1 stop10h 13m

Chicago O'Hare Intl

Tue 9/15

11:35 am-6:58 pm

2 stops9h 23m

$342

EugeneSt. Louis

EUG Eugene - STL Lambert-St Louis

EUGSTL

Eugene

Wed 9/23

4:03 pm-5:10 pm

1 stop23h 07m

Lambert-St Louis

Sat 9/26

6:29 am-1:44 pm

1 stop9h 15m

$349

EugeneSt. Louis

EUG Eugene - STL Lambert-St Louis

EUGSTL

Eugene

Tue 10/20

5:20 am-1:32 pm

1 stop6h 12m

Lambert-St Louis

Tue 10/27

7:00 pm-11:49 pm

1 stop6h 49m

$349

EugeneSt. Louis

EUG Eugene - STL Lambert-St Louis

EUGSTL

Eugene

Sat 9/5

5:20 am-1:38 pm

1 stop6h 18m

Lambert-St Louis

Wed 9/9

5:00 pm-11:47 pm

1 stop8h 47m

$349

EugeneSt. Louis

EUG Eugene - STL Lambert-St Louis

EUGSTL

Eugene

Sat 9/5

5:24 am-8:26 pm

2 stops13h 02m

Lambert-St Louis

Wed 9/9

2:30 pm-7:17 pm

1 stop6h 47m

$354

EugeneChicago

EUG Eugene - MDW Chicago Midway

EUGMDW

Eugene

Fri 9/11

12:20 pm-10:00 pm

1 stop7h 40m

Chicago Midway

Wed 9/16

6:50 am-12:55 pm

1 stop8h 05m

$359

EugeneChicago

EUG Eugene - MDW Chicago Midway

EUGMDW

Eugene

Mon 10/12

1:10 pm-12:35 am

1 stop9h 25m

Chicago Midway

Wed 10/14

6:05 am-10:40 am

1 stop6h 35m

$359

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

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Eugene is in May. Flight prices, which tend to average around $319, 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 May, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $320.

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 $429. Flights from Eugene to Illinois on a Sunday will generally be more expensive and average around $668. 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 $431. Flights in the morning are often more expensive with an average ticket price of $497.

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 from Eugene 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 $425 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 $291 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	$175
Fastest flight time	4h 11m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Eugene in the past 72 hours is $175. The best round-trip flight deal from Eugene to Illinois found on momondo in the last 72 hours is $336.

The fastest flight from Eugene to Illinois takes 4h 11m

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

Frequently asked questions about flying from Eugene to Illinois

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 August 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 Boeing 737-800, making up 58.33% of the total bookings. Other popular models include Airbus A319 with 26.19%, Boeing 737 with 8.33%, and Airbus A320-100/200 with 3.57%.

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 $108	Free Cancellation	Rating 7.8 8,519 reviews	Search Delta flights
Alaska Airlines	PriceFrom $198	Free Cancellation	Rating 7.9 12,833 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 10,109 reviews	Search United Airlines 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.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $46

Flights to Orlandofrom $53

Flights to Miamifrom $56

Flights to San Franciscofrom $46

Flights to Chicagofrom $51

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $58

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Fort Lauderdalefrom $50

Flights to Dallasfrom $50

Cheap flights from Eugene to Illinois from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Eugene to Illinois departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Eugene to Illinois

Our best Delta deals on Eugene to Illinois flight tickets

Alaska Airlines flights from Eugene to Illinois

Our best Alaska Airlines deals on Eugene to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Eugene to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Eugene to Illinois flight route?

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

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

Can stopping save me money on Eugene to Illinois flights?

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

What airlines fly to Illinois?

How many flights depart from Eugene to Illinois on average per day?

How many flights depart from Eugene to Illinois on average per week?

Cheap Eugene to Illinois flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Eugene to Illinois

Best airlines flying from Eugene to Illinois

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

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Eugene flight routes

According to popular flight searches on momondo this year

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