Flights from Chicago, IL
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Traveling From Chicago, IL
Frontier Airlines is proud to serve Chicago Midway International Airport (MDW) and Chicago O'Hare International Airport (ORD)
Whether you hop on the orange line and head towards Chicago Midway (MDW) or hop on the blue line towards Chicago O'Hare, boarding a Frontier flight from Chicago is as easy as 1, 2, 3. At Frontier Airlines it is our mission to make travel easy, accessible and affordable for everyone with low fares to more than 100 destinations across the United States and beyond. There is so much world out there to explore and Frontier can take you there.
Earn points and maximize your savings when you fly Frontier by signing up for a myFrontier account. With a myFrontier account, you can track your miles, view your status, set your travel preferences and more!
Best Flight Deals from Chicago, IL with Frontier
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From | To | |||
|---|---|---|---|---|
| Chicago, IL (ORD) | Orlando, FL (MCO) | One-way / Discount Den Basic Fare | Departing Sep 8, 2026 | From $38 Last seen: 9 hours ago |
| Chicago, IL (ORD) | Las Vegas, NV (LAS) | One-way / Discount Den Basic Fare | Departing Sep 29, 2026 | From $43 Last seen: 12 hours ago |
| Chicago, IL (ORD) | Dallas, TX (DFW) | One-way / Discount Den Basic Fare | Departing Oct 13, 2026 | From $60 Last seen: 13 hours ago |
| Chicago, IL (MDW) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Sep 10, 2026 | From $74 Last seen: 3 hours ago |
| Chicago, IL (ORD) | Denver, CO (DEN) | One-way / Discount Den Basic Fare | Departing Oct 5, 2026 | From $44 Last seen: 10 hours ago |
| Chicago, IL (ORD) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Sep 8, 2026 | From $44 Last seen: 3 hours ago |
| Chicago, IL (ORD) | Houston, TX (IAH) | One-way / Discount Den Basic Fare | Departing Oct 27, 2026 | From $44 Last seen: 11 hours ago |
| Chicago, IL (ORD) | San Juan, PR (SJU) | One-way / Discount Den Basic Fare | Departing Sep 12, 2026 | From $60 Last seen: 6 hours ago |
| Chicago, IL (ORD) | Fort Lauderdale, FL (FLL) | One-way / Discount Den Basic Fare | Departing Oct 12, 2026 | From $39 Last seen: 11 hours ago |
| Chicago, IL (ORD) | Los Angeles, CA (LAX) | One-way / Discount Den Basic Fare | Departing Nov 4, 2026 | From $78 Last seen: 7 hours ago |
| Chicago, IL (MDW) | Dallas, TX (DFW) | One-way / Discount Den Basic Fare | Departing Sep 11, 2026 | From $74 Last seen: 19 mins ago |
| Chicago, IL (ORD) | Cancun, MX (CUN) | One-way / Discount Den Basic Fare | Departing Oct 29, 2026 | From $211 Last seen: 14 hours ago |
| Chicago, IL (ORD) | Phoenix, AZ (PHX) | One-way / Discount Den Basic Fare | Departing Sep 10, 2026 | From $76 Last seen: 1 hour ago |
| Chicago, IL (MDW) | Orlando, FL (MCO) | One-way / Discount Den Basic Fare | Departing Sep 16, 2026 | From $92 Last seen: 5 hours ago |
| Chicago, IL (ORD) | Philadelphia, PA (PHL) | One-way / Discount Den Basic Fare | Departing Oct 1, 2026 | From $49 Last seen: 17 hours ago |
| Chicago, IL (ORD) | Tampa, FL (TPA) | One-way / Discount Den Basic Fare | Departing Oct 5, 2026 | From $46 Last seen: 16 hours ago |
| Chicago, IL (ORD) | Baltimore, MD (BWI) | One-way / Discount Den Basic Fare | Departing Sep 12, 2026 | From $24 Last seen: 15 hours ago |
| Chicago, IL (ORD) | Fort Myers, FL (RSW) | One-way / Discount Den Basic Fare | Departing Dec 10, 2026 | From $74 Last seen: 4 hours ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
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