$115 Cheap Flights from Eugene (EUG) to Chicago (ORD)

View $115 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Mahlon Sweet Field Airport (EUG) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Eugene to Chicago (EUG-ORD)

Prices were available within the past 7 days and start at $115 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 11 - Fri, Nov 14
EUG
Eugene
ORD
Chicago
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 11 from Eugene to Chicago, returning Fri, Nov 14, priced at $209 found 1 day ago
Southwest Airlines
Mon, Dec 8 - Tue, Jan 13
EUG
Eugene
ORD
Chicago
$210 Roundtrip, found 6 days ago
$210
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Eugene to Chicago, returning Tue, Jan 13, priced at $210 found 6 days ago
American Airlines
Sat, Dec 6 - Sat, Dec 13
EUG
Eugene
ORD
Chicago
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 6 from Eugene to Chicago, returning Sat, Dec 13, priced at $210 found 2 days ago
Delta
Sat, Dec 6 - Sat, Dec 13
EUG
Eugene
ORD
Chicago
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 6 from Eugene to Chicago, returning Sat, Dec 13, priced at $214 found 2 days ago
Delta
Sat, Dec 6 - Sat, Dec 13
EUG
Eugene
ORD
Chicago
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 6 from Eugene to Chicago, returning Sat, Dec 13, priced at $216 found 2 days ago
United
Thu, Dec 11 - Sat, Dec 13
EUG
Eugene
ORD
Chicago
$227 Roundtrip, found 6 days ago
$227
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 11 from Eugene to Chicago, returning Sat, Dec 13, priced at $227 found 6 days ago
Delta
Wed, Oct 15 - Tue, Nov 4
EUG
Eugene
ORD
Chicago
$227 Roundtrip, found 6 days ago
$227
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Oct 15 from Eugene to Chicago, returning Tue, Nov 4, priced at $227 found 6 days ago
Hawaiian Airlines
Sat, Oct 18 - Thu, Oct 30
EUG
Eugene
ORD
Chicago
$228 Roundtrip, found 6 days ago
$228
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Oct 18 from Eugene to Chicago, returning Thu, Oct 30, priced at $228 found 6 days ago
Delta
Sat, Oct 25 - Mon, Nov 3
EUG
Eugene
ORD
Chicago
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 25 from Eugene to Chicago, returning Mon, Nov 3, priced at $229 found 1 day ago
Delta
Sat, Dec 6 - Sun, Dec 14
EUG
Eugene
ORD
Chicago
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 6 from Eugene to Chicago, returning Sun, Dec 14, priced at $234 found 2 days ago

Find the cheapest month to fly from Eugene (EUG) to Chicago (ORD)

August is typically the cheapest month to fly

From $186 - $412 per traveler.
Flights from Eugene (EUG) to Chicago (ORD)
Origin airport
Eugene
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$208
Distance
1775 mi

Eugene to Chicago Flights

The cheapest times to fly from Eugene to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Eugene to Chicago are during the month of November. You can find some of the cheapest flights from Eugene to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Eugene to Chicago

Sunday is one of the best days to book for cheap flights from Eugene to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Eugene to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Eugene to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Eugene to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Eugene to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight from $115 or cheap return flight from $209 from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD)?
The cheapest month to fly from EUG to ORD is November, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD)?
To find the cheapest airline that'll fly you from EUG to ORD, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD)?
You'll need to book a flight with a layover when traveling from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from EUG to ORD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD)?
To avoid possible delays on the Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until right before your break to book your flight from EUG to ORD often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book an EUG to ORD flight and hotel package?
Compared with arranging flights and hotels separately, booking an EUG to ORD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Mahlon Sweet Field Airport (EUG) to O'Hare Intl. Airport (ORD)?
If you booked your EUG to ORD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.