$199 Flights from Chicago (CHIA) to Eugene (EUG)

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Find the cheapest month to fly from Chicago to Eugene

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Eugene flights are currently cheapest in August.

Direct flights from Chicago to Eugene

Chicago to Eugene: Alternative routes

Compare routes from Chicago to Eugene below. You may find an airport to fly into that's cheaper, faster, or easier than Eugene.

Chicago to Eugene: Flight information

The things to know before you go.
Cheapest flight found$199
Cheapest month to flyAugust
Average flight time4 hrs, 42 mins
Most popular airlineUnited
Average flights per week8

Finding cheap flights from Chicago to Eugene: Frequently asked questions

The best price we found for a round-trip flight from Chicago to Eugene is $214. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 42 minutes is the average flight time from Chicago to Eugene.
United flies direct from Chicago to Eugene.
There are 8 flights per week flying from Chicago to Eugene, as of December 2025.
The cheapest month to fly from Chicago to Eugene is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Eugene Airport on Thursday, February 12, 2026.
Yes – the average flight time is 4 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Eugene but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
The cheapest airline that flies to Eugene is Hawaiian Airlines.

Traveling from Chicago to Mahlon Sweet Field Airport (EUG): What you need to know

  • Kick off your travels at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Mahlon Sweet Field Airport (EUG) taking off from either of these.

  • Mahlon Sweet Field Airport is located in Eugene. The city runs on the UTC-7 timezone and is two hours behind Chicago.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your flight from Chicago to EUG.

  • In high season, allow for longer wait times and show up earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Chicago

O'Hare International Airport (ORD)

  • ORD is about 25 miles from central Chicago. If you're ride-sharing, catching a cab or driving from the center, it'll take you 35 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 55 minutes.

  • Want an easy start to your vacation? Stay near O'Hare International Airport. Whether you're boarding an early flight from Chicago to Mahlon Sweet Field Airport or aren't a fan of being rushed, these hotels offer the perfect solution:

  • 74.85% of flights leaving from O'Hare International Airport arrive at their destination on schedule.

  • The address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can arrive at MDW from the center of Chicago in approximately 20 minutes by car, depending on traffic. The journey on public transport takes roughly 45 minutes to travel the 12 miles or so.

  • Want to enjoy an extra night away before boarding your Chicago to EUG flight? Unwind in a hotel near Chicago Midway International Airport before your trip officially begins. These stays are calling your name:

  • Chicago Midway International Airport has an on-time performance rate of 77.88%. This figure sheds light on how frequently flights that take off from this airport make it to their destination on schedule.

  • The street address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • From the center of Chicago, RFD is around 85 miles away. It takes roughly 1 hour 25 minutes to get there by car and 4 hours 15 minutes or so if you take public transport.

  • Skip the rush on your departure day — stay close to Chicago Rockford International Airport and know you'll make it to your gate with time to spare. Check in to one of these hotels the day before if you're catching an early Chicago to Mahlon Sweet Field Airport flight:

  • Flights departing from RFD reach their destination on schedule 76.19% of the time.

  • You'll find Chicago Rockford International Airport at 2 Airport Cir.

About Mahlon Sweet Field Airport (EUG)

  • Consider checking in to Hampton Inn Eugene after touching down from your flight from Chicago to Mahlon Sweet Field Airport. It's a short drive from EUG and a comfortable option if you'd like to get some rest right away.

  • Pick up a Mahlon Sweet Field Airport rental car and explore Eugene and beyond with your own set of wheels. Dollar, Budget and Hertz are popular outlets to choose from here.

  • Lock in the best deal by booking your vehicle around three weeks ahead of your Chicago to Mahlon Sweet Field Airport flight.

  • The address for EUG is 28801 Douglas Dr.

How to find the cheapest flights from Chicago to Mahlon Sweet Field Airport (EUG)

  • The lowest price we've found for a one-way ticket from Chicago to Mahlon Sweet Field Airport is $199. For a return flight on this route, the best price is $214. Depending on when you book and the availability, these fares could change.

  • Don't leave things to the last moment. You're more likely to find cheap flights from Chicago to EUG if you book in advance. Airlines often offer some excellent early bird discounts.

  • Affordable Chicago to Mahlon Sweet Field Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' search function to compare fares across the month and then pick the cheapest day.

  • Save time searching for cheap plane tickets from Chicago to EUG by setting up a Price Alert. We'll send you an email or notification through the app when fares go down.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Chicago to Mahlon Sweet Field Airport.

The best time to fly from Chicago to Mahlon Sweet Field Airport (EUG)

  • It's time to figure out your travel dates for your flight from Chicago to Mahlon Sweet Field Airport (EUG). July is when most people visit Eugene. If you're all about a more relaxed kind of trip, head there in May.

  • Before locking in your Chicago to EUG plane ticket, consider the kind of weather forecast you're hoping for. August is the warmest month in Eugene, with temperatures ranging from 48ºF to 88ºF.

  • Search for cheap tickets from Chicago to Mahlon Sweet Field Airport in February if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 30ºF and 55ºF.

More about Eugene

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Eugene right here. Browse these hotels after you've booked your flight from Chicago to Mahlon Sweet Field Airport:

  • Museum of Natural and Cultural History and Crux Rock Climbing Gym are a couple of top-rated attractions to add to your Eugene itinerary. Continue your sightseeing adventures at Owen Rose Garden.

Explore more of the United States

  • Portland is just one of the many cities in the United States waiting to be discovered after you've experienced Eugene. Around 100 miles away to the north, its top attractions include Portland Japanese Garden, Voodoo Doughnut and Great Northwest.

  • If you're eager to discover another major destination in the United States, head for Vancouver, roughly 110 miles north of Eugene. Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.