$143 Cheap Delta flights Chicago (ORD) to Duluth (DLH)

Finding cheap one-way Delta Air Lines flights from ORD to DLH from $143 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $178 for your next getaway.**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.

Delta Air Lines flights to Duluth are often cheaper in the low-season months of January and February. Whether you need a return or one-way ticket, you could land a better deal then.

Look for cheap Delta Air Lines flights from O’Hare Intl. Airport (ORD) to Duluth Intl. Airport (DLH) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Fill in your dates, click search and use the “Nonstop” filter on Expedia to browse any direct flights from ORD to DLH with Delta Air Lines or other airlines.

To find the earliest departure from ORD to DLH with Delta Air Lines, sort your results by “Morning” and “Early Morning.” Booking an early flight generally means you’ll experience 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 O’Hare Intl. Airport (ORD) to Duluth arrive at Duluth Intl. Airport (DLH). This is the main entry point to this city.

Delta Air Lines makes traveling from ORD to DLH more comfortable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Remember to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee is typically charged if you change or cancel your booking more than 24 hours after confirmation. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter while looking for flights. To learn more about canceling or modifying your reservation, head to “Trips,” select your flight and tick “Manage Booking.”