$173+ Cheap flights from Chicago (CHI) to Duluth (DLH)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DLH
Sep 29 — Oct 61
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Duluth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Duluth
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Cheapest flights from Chicago to DuluthExplore the most affordable flight options available from Chicago to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
Explore the most affordable flight options available from Chicago to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:10 am -
1 stop4h 53m
Sun 10/45:15 am -
1 stop3h 15m
Deal found 8/26![Delta logo]()
$248
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:30 pm -
Nonstop1h 52m
Sat 10/36:00 am -
Nonstop1h 54m
Deal found 8/26![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 pm -
Nonstop1h 52m
Tue 9/293:10 pm -
Nonstop1h 55m
Deal found 8/25![United Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:40 pm -
Nonstop1h 49m
Tue 10/63:10 pm -
Nonstop1h 55m
Deal found 8/30![United Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:45 am -
Nonstop1h 57m
Sun 10/117:45 am -
Nonstop1h 56m
Deal found 8/26![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:13 pm -
1 stop3h 22m
Sat 10/311:43 am -
1 stop6h 16m
Deal found 8/29![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:20 am -
1 stop5h 18m
Mon 12/78:00 am -
2 stops10h 26m
Deal found 8/27![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:30 pm -
Nonstop1h 50m
Tue 9/156:24 pm -
Nonstop1h 54m
Deal found 8/27![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:10 am -
1 stop4h 53m
Sat 10/34:11 pm -
1 stop5h 27m
Deal found 8/26![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am -
1 stop5h 01m
Sun 9/65:15 am -
1 stop6h 22m
Deal found 8/26![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 pm -
Nonstop1h 50m
Sat 9/196:32 pm -
Nonstop1h 56m
Deal found 8/25![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:51 pm -
1 stop5h 53m
Wed 9/25:15 am -
1 stop3h 24m
Deal found 8/29![Delta logo]()
$346
Best flights from Chicago to DuluthDiscover carefully curated flight deals from Chicago to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
Discover carefully curated flight deals from Chicago to Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:45 am -
Nonstop1h 57m
Sun 10/47:45 am -
Nonstop1h 56m
Deal found 8/29![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:39 pm -
1 stop6h 43m
Sat 12/1212:18 pm -
1 stop4h 32m
Deal found 8/29![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:30 pm -
Nonstop1h 52m
Sun 10/187:45 am -
Nonstop1h 56m
Deal found 8/29![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/291:00 pm -
2 stops6h 36m
Sun 1/315:10 am -
2 stops7h 23m
Deal found 8/29![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:10 am -
1 stop4h 53m
Sun 10/45:15 am -
1 stop3h 15m
Deal found 8/26![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 pm -
Nonstop1h 50m
Sat 9/196:32 pm -
Nonstop1h 56m
Deal found 8/25![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:01 am -
1 stop5h 40m
Sun 10/115:14 am -
1 stop3h 30m
Deal found 8/26![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:59 am -
1 stop5h 30m
Wed 9/3011:43 am -
1 stop6h 36m
Deal found 8/26![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:42 am -
Nonstop1h 59m
Sun 11/296:23 am -
Nonstop2h 06m
Deal found 8/29![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:10 am -
1 stop4h 53m
Tue 9/295:15 am -
1 stop3h 15m
Deal found 8/28![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:55 am -
2 stops6h 34m
Tue 9/154:11 pm -
1 stop5h 22m
Deal found 8/27![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:59 am -
1 stop5h 42m
Tue 10/1312:35 pm -
1 stop4h 05m
Deal found 8/28![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:10 am -
1 stop4h 53m
Sat 10/35:15 am -
2 stops7h 43m
Deal found 8/26![Delta logo]()
$504
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:01 am -
1 stop5h 40m
Sun 10/185:14 am -
1 stop3h 30m
Deal found 8/28![Delta logo]()
$522
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:20 am -
1 stop5h 24m
Sun 10/184:21 pm -
1 stop5h 06m
Deal found 8/28![Delta logo]()
$522
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:13 pm -
1 stop3h 22m
Sun 10/45:15 am -
1 stop3h 33m
Deal found 8/29![Delta logo]()
$603
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:55 pm -
1 stop6h 40m
Sun 9/1311:43 am -
1 stop3h 22m
Deal found 8/25![Delta logo]()
$608
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2911:47 am -
1 stop4h 45m
Sat 1/212:08 pm -
1 stop5h 16m
Deal found 8/28![Delta logo]()
$637
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:29 am -
2 stops6h 00m
Sat 9/198:10 am -
2 stops10h 12m
Deal found 8/28![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:27 pm -
1 stop6h 45m
Sun 10/255:14 am -
1 stop3h 30m
Deal found 8/28![Delta logo]()
$687
Last-minute flights from Chicago to DuluthDiscover last-minute flight deals from Chicago to Duluth. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Duluth. Data last updated August 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:51 pm -
1 stop5h 53m
Wed 9/25:15 am -
1 stop3h 24m
Deal found 8/29![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am -
1 stop5h 01m
Sun 9/65:15 am -
1 stop6h 22m
Deal found 8/26![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:40 pm -
Nonstop1h 49m
Sun 9/136:24 pm -
Nonstop1h 54m
Deal found 8/25![United Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:30 pm -
Nonstop1h 50m
Tue 9/156:24 pm -
Nonstop1h 54m
Deal found 8/27![United Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 pm -
Nonstop1h 50m
Sat 9/196:32 pm -
Nonstop1h 56m
Deal found 8/25![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:59 am -
1 stop5h 30m
Wed 9/3011:43 am -
1 stop6h 36m
Deal found 8/26![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 pm -
Nonstop1h 52m
Tue 9/293:10 pm -
Nonstop1h 55m
Deal found 8/25![United Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:30 pm -
Nonstop1h 52m
Thu 10/17:45 am -
Nonstop1h 56m
Deal found 8/27![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:13 pm -
1 stop3h 22m
Sat 10/311:43 am -
1 stop6h 16m
Deal found 8/29![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:45 am -
Nonstop1h 57m
Sun 10/47:45 am -
Nonstop1h 56m
Deal found 8/29![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:40 pm -
Nonstop1h 49m
Tue 10/63:10 pm -
Nonstop1h 55m
Deal found 8/30![United Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:10 am -
1 stop4h 53m
Sun 10/45:15 am -
1 stop3h 15m
Deal found 8/26![Delta logo]()
$248
One-way flights from Chicago to DuluthSearch for one-way flight options from Chicago to Duluth. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
Search for one-way flight options from Chicago to Duluth. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:24 am -
1 stop5h 41m
Deal found 8/29![Delta logo]()
$173
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:44 pm -
1 stop3h 57m
Deal found 8/29![Delta logo]()
$173
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 am -
Nonstop1h 57m
Deal found 8/25![United Airlines logo]()
$179
This deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:30 pm -
Nonstop1h 52m
Deal found 8/28![United Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:40 pm -
Nonstop1h 49m
Deal found 8/27![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:27 pm -
1 stop6h 45m
Deal found 8/25![Delta logo]()
$253
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:30 pm -
1 stop5h 27m
Deal found 8/25![Delta logo]()
$253
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:30 pm -
Nonstop1h 50m
Deal found 8/26![United Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:01 am -
1 stop5h 40m
Deal found 8/25![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:10 am -
1 stop4h 53m
Deal found 8/27![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:19 am -
2 stops7h 53m
Deal found 8/25![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:30 pm -
Nonstop1h 50m
Deal found 8/27![United Airlines logo]()
$275
Find flight deals from Chicago to Duluth
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Duluth (DLH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Delta) |
One-way from | $173 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $264 |
Good round-trip deal | $268 or less |
Good one-way deal | $408 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Duluth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 30, 2026.
Use the filters below to find and compare flights from Chicago to Duluth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDuluth
ORD Chicago O'Hare Intl - DLH Duluth Intl
ORDDLH
Chicago O'Hare Intl
Sun 9/27
8:45 am-10:42 am
Nonstop1h 57m
Duluth Intl
Sun 10/4
7:45 am-9:41 am
Nonstop1h 56m
$269
ChicagoDuluth
ORD Chicago O'Hare Intl - DLH Duluth Intl
ORDDLH
Chicago O'Hare Intl
Fri 10/16
9:30 pm-11:22 pm
Nonstop1h 52m
Duluth Intl
Sun 10/18
7:45 am-9:41 am
Nonstop1h 56m
$269
ChicagoDuluth
MDW Chicago Midway - DLH Duluth Intl
MDWDLH
Chicago Midway
Fri 12/4
12:39 pm-7:22 pm
1 stop6h 43m
Duluth Intl
Sat 12/12
12:18 pm-4:50 pm
1 stop4h 32m
$288
ChicagoDuluth
MDW Chicago Midway - DLH Duluth Intl
MDWDLH
Chicago Midway
Fri 1/29
1:00 pm-7:36 pm
2 stops6h 36m
Duluth Intl
Sun 1/31
5:10 am-12:33 pm
2 stops7h 23m
$299
ChicagoDuluth
ORD Chicago O'Hare Intl - DLH Duluth Intl
ORDDLH
Chicago O'Hare Intl
Thu 10/1
6:10 am-11:03 am
1 stop4h 53m
Duluth Intl
Sun 10/4
5:15 am-8:30 am
1 stop3h 15m
$328
Quickest round-trip
ChicagoDuluth
ORD Chicago O'Hare Intl - DLH Duluth Intl
ORDDLH
Chicago O'Hare Intl
Tue 9/15
9:30 pm-11:20 pm
Nonstop1h 50m
Duluth Intl
Sat 9/19
6:32 pm-8:28 pm
Nonstop1h 56m
$339
ChicagoDuluth
MDW Chicago Midway - DLH Duluth Intl
MDWDLH
Chicago Midway
Fri 10/9
10:01 am-3:41 pm
1 stop5h 40m
Duluth Intl
Sun 10/11
5:14 am-8:44 am
1 stop3h 30m
$368
ChicagoDuluth
MDW Chicago Midway - DLH Duluth Intl
MDWDLH
Chicago Midway
Wed 9/23
9:59 am-3:29 pm
1 stop5h 30m
Duluth Intl
Wed 9/30
11:43 am-6:19 pm
1 stop6h 36m
$378
ChicagoDuluth
ORD Chicago O'Hare Intl - DLH Duluth Intl
ORDDLH
Chicago O'Hare Intl
Wed 11/25
8:42 am-10:41 am
Nonstop1h 59m
Duluth Intl
Sun 11/29
6:23 am-8:29 am
Nonstop2h 06m
$439
ChicagoDuluth
ORD Chicago O'Hare Intl - DLH Duluth Intl
ORDDLH
Chicago O'Hare Intl
Sun 9/27
6:10 am-11:03 am
1 stop4h 53m
Duluth Intl
Tue 9/29
5:15 am-8:30 am
1 stop3h 15m
$441
Showing 1-10 of 39 resultsSorted by cheapest first
Compare providers for flights from Chicago to Duluth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Duluth in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Duluth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Duluth
Have a flexible travel schedule? Discover the best time to fly to Duluth from Chicago with our price prediction graph.
CHI-DLH
ORD-DLH
MDW-DLH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Duluth
CHI-DLH
ORD-DLH
MDW-DLH
What is the cheapest month to book a flight from Chicago to Duluth?
Currently, October is the cheapest month in which you can book a flight from Chicago to Duluth (average of $265). Flying from Chicago to Duluth in March is currently the most expensive (average of $878). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to DLH?
Find hourly flight availability from Chicago to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 30, 2026.
When flying from Chicago to Duluth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chicago to Duluth
Explore weekly flight availability from Chicago to Duluth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 30, 2026.
The most flights from CHI to DLH are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Chicago to Duluth?
Airfare is below average for this route at the moment.
Chicago to Duluth flights typically cost between $268 and $364 in September.The cheapest round-trip price found within the last 5 days was $248 on Delta (Sep 30-Oct 4).
Reviews of airlines servicing Duluth
Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated August 30, 2026.
Read through reviews of airlines operating flights from Chicago to Duluth, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Duluth?
Book flights to Duluth if you plan to visit one of these locationsTwo Harbors
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Other flights to Duluth
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Chicago and Duluth flights
Browse other Chicago and Duluth flight options. Last updated on August 30, 2026.
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Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on August 30, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Chicago to Duluth
Discover the top airline that operate flights from Chicago to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$207 | Average$354 | FlexibilityNo cancel fee | On-time69% |