$119 Cheap Delta flights Missoula (MSO) to Chicago (ORD)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines round-trip flights from $231 from MSO to ORD. Affordable one-way fares from $119 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to travel to Chicago with Delta Air Lines. You could also find fantastic deals on one-way and return tickets in February.

To find cheap Delta Air Lines fares from Missoula Intl. Airport (MSO) to O’Hare Intl. Airport (ORD), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct route from MSO to ORD with Delta Air Lines or another airline, check the “Nonstop” box when looking for flights.

Find Delta Air Lines’s earliest flights from MSO to ORD by using the “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Missoula Intl. Airport (MSO) to Chicago come in to land at O’Hare Intl. Airport (ORD). This is the main entry point to this city.

Delta Air Lines makes flying from MSO to ORD more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Delta SkyMiles. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee may apply if you cancel or change your flight more than 24 hours after it’s confirmed. To secure flexible plane tickets, select our “No cancel fee” or “Changes included” filter while looking for flights. To learn more about changing or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”