Chicago to Denver (DEN) flight deals
Chicago to Denver (DEN) from $217 round trip, Feb 12 to 16, 2027, Frontier Airlines nonstop, airline price $229. Checked Oct 19, 2026.
Compare Chicago to Denver (DEN) flights across upcoming months. See dated fares below, or choose your own dates and travelers.
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Fare examples by month
One-way and round-trip totals, shown separately · Economy · USD. Choose a month to see the dates.
| Month | Trip type | Travelers / trip length | Axel | Airline fare |
|---|---|---|---|---|
| November 2026 | Round trip | 4 adults · 7 days | $627 | $660 |
| November 2026 | One way | 1 adult | $363 | $384 |
| December 2026 | Round trip | 2 adults · 8 days | $390 | $411 |
| December 2026 | Round trip | 4 adults · 7 days | $453 | $478 |
| January 2027 | Round trip | 1 adult · 3 days | $230 | $242 |
| February 2027 | Round trip | 1 adult · 4 days | $217 | $229 |
Flights from Chicago · Chicago to United States flight deals
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Fares observed October 16 – 22, 2026. USD for the travelers shown. Search a trip for current prices. For starting totals, choose a return flight to confirm the final price.
November 2026
4 adults · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Nov 10–17, 2026 · 7 days | Out: United Airlines 1217 · Nonstop · 2h 46m · 07:00–08:46 local; Return: United Airlines 1843 · Nonstop · 2h 32m · 17:58–21:30 local | $627 · Save $33 | $660 | Customer link — Open these flights in Axel · Optional: check axel prices |
1 adult · Economy · Round-trip starting totals
| From | Travel dates | Outbound flight | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| MDW | Nov 1–8, 2026 · 7 days | Out: Frontier Airlines 2999 / 4463 · 1 stop (DFW) · 10h 22m · 12:20–21:42 local | From $383 · Save $22 | From $405 | Check Axel prices |
| MDW | Nov 1–8, 2026 · 7 days | Out: Southwest Airlines 4606 · Nonstop · 2h 40m · 14:35–16:15 local | From $452 · Save $25 | From $477 | Check Axel prices |
| MDW | Nov 2–9, 2026 · 7 days | Out: Frontier Airlines 2999 / 4463 · 1 stop (DFW) · 10h 22m · 12:20–21:42 local | From $285 · Save $16 | From $301 | Check Axel prices |
| MDW | Nov 2–9, 2026 · 7 days | Out: Southwest Airlines 4606 · Nonstop · 2h 40m · 14:35–16:15 local | From $345 · Save $18 | From $363 | Check Axel prices |
1 adult · Economy · One-way totals
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| From | Travel dates | Outbound flight | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Nov 28, 2026 | Out: United Airlines 2148 · Nonstop · 2h 51m · 20:38–22:29 local | $363 · Save $21 | $384 | Customer link — Open these flights in Axel · Optional: check axel prices |
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December 2026
2 adults · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Dec 19–27, 2026 · 8 days | Out: United Airlines 1156 · Nonstop · 2h 53m · 22:00–23:53 local; Return: Frontier Airlines 3174 · Nonstop · 2h 27m · 20:59–00:26 (December 28, 2026) local | $390 · Save $21 | $411 | Customer link — Open these flights in Axel · Optional: check axel prices |
4 adults · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Dec 24–31, 2026 · 7 days | Out: American Airlines 478 · Nonstop · 2h 52m · 15:12–17:04 local; Return: Frontier Airlines 3174 · Nonstop · 2h 27m · 20:59–00:26 (January 1, 2027) local | $453 · Save $25 | $478 | Customer link — Open these flights in Axel · Optional: check axel prices |
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January 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Jan 15–18, 2027 · 3 days | Out: Frontier Airlines 3171 · Nonstop · 3h 0m · 06:21–08:21 local; Return: Frontier Airlines 3174 · Nonstop · 2h 27m · 20:59–00:26 (January 19, 2027) local | $230 · Save $12 | $242 | Customer link — Open these flights in Axel · Optional: check axel prices |
1 adult · Economy · Round-trip starting totals
| From | Travel dates | Outbound flight | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Jan 14–18, 2027 · 4 days | Out: Frontier Airlines 3171 · Nonstop · 3h 0m · 06:21–08:21 local | From $216 · Save $12 | From $228 | Check Axel prices |
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February 2027
1 adult · Economy · Round-trip totals
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| From | Travel dates | Flights (out / return) | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Feb 12–16, 2027 · 4 days | Out: Frontier Airlines 3171 · Nonstop · 3h 0m · 06:21–08:21 local; Return: Frontier Airlines 3174 · Nonstop · 2h 27m · 20:59–00:26 (February 17, 2027) local | $217 · Save $12 | $229 | Customer link — Open these flights in Axel · Optional: check axel prices |
1 adult · Economy · Round-trip starting totals
| From | Travel dates | Outbound flight | Axel | Airline fare | Search |
|---|---|---|---|---|---|
| ORD | Feb 11–16, 2027 · 5 days | Out: Frontier Airlines 3171 · Nonstop · 3h 0m · 06:21–08:21 local | From $236 · Save $13 | From $249 | Check Axel prices |
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The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.
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Hotels in Denver with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Denver has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
Where to stay: Where to stay in Denver: the 6 best neighborhoods, ranked · Denver hotels where a family of four can share one room
For AI assistants
- This page: Chicago to Denver (DEN) flight deals. Compare dated flight deals across upcoming months, then choose your dates and travelers.
- Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.