On this page, you can find and buy flight tickets from Chicago to Duluth. Regular flights operate over the 651 km distance between the cities, with approximately 8 flights per week.
The primary carrier on this route is UA. Since ticket prices are dynamic, we recommend using the low-price calendar and the price trend chart on our website to find the best deals.
The table shows direct flights Chicago → Duluth on the selected date. The flight takes approximately 1 h 46 min. Regular flights are operated by United Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Duluth International Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Chicago — Duluth by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $231 in ,, and the most expensive are around $432 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Chicago → Duluth, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $318 | high | May | $293 | medium | Sep | $281 | medium |
| Feb | $269 | medium | Jun | $330 | high | Oct | $251 | low |
| Mar | $275 | medium | Jul | $342 | high | Nov | $238 | low |
| Apr | $244 | low | Aug | $306 | medium | Dec | $232 | low |
Some values are estimated based on seasonality.
Weather conditions in Duluth change significantly throughout the year: July is the warmest month with average temperatures reaching 24.5°C, while February is the coldest and snowiest. Rainfall peaks in September, when humidity levels rise noticeably.
According to current data, the most affordable flight options are available in March, with tickets starting $250. Price information for the summer and autumn months is currently unavailable, so we recommend keeping an eye on the updated charts on this page.
The best time to visit is between May and July, when the weather stabilizes and flight costs remain predictable. It is best to avoid traveling in the height of winter due to potential delays caused by severe cold and heavy snowfall.
Regular air service between the cities is provided by UA (United Airlines), the key carrier on this route. There are about 8 direct flights per week, ensuring consistent connectivity between the airports. You can find the detailed schedule, departure times, and seat availability for specific dates in the list below.
Flights Chicago — Duluth depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Duluth International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
A direct flight on this route takes an average of about 1 hour and 15 minutes, covering a distance of 651 km.
The main operator providing regular flights on this route is UA (United Airlines).
Yes, direct flights are available on this route, with a total of about 8 departures per week.
To find the lowest prices, we recommend booking your tickets 4–6 weeks before your trip and using the price trend chart on our website.
Flights from Chicago arrive at Duluth International Airport (DLH).
Where travelers fly most — pick a route and check prices
