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 Feb 3, 2027 | From $64 Last seen: 8 hours ago |
| Chicago, IL (ORD) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Nov 17, 2026 | From $73 Last seen: 13 hours ago |
| Chicago, IL (ORD) | Dallas, TX (DFW) | One-way / Discount Den Basic Fare | Departing Nov 5, 2026 | From $93 Last seen: 7 hours ago |
| Chicago, IL (ORD) | Las Vegas, NV (LAS) | One-way / Discount Den Basic Fare | Departing Feb 25, 2027 | From $75 Last seen: 16 mins ago |
| Chicago, IL (ORD) | Denver, CO (DEN) | One-way / Discount Den Basic Fare | Departing Jan 27, 2027 | From $49 Last seen: 9 hours ago |
| Chicago, IL (ORD) | Cancun, MX (CUN) | One-way / Discount Den Basic Fare | Departing Jan 1, 2027 | From $111 Last seen: 8 hours ago |
| Chicago, IL (ORD) | Phoenix, AZ (PHX) | One-way / Discount Den Basic Fare | Departing Jan 26, 2027 | From $87 Last seen: 7 hours ago |
| Chicago, IL (ORD) | San Juan, PR (SJU) | One-way / Discount Den Basic Fare | Departing Feb 22, 2027 | From $94 Last seen: 2 hours ago |
| Chicago, IL (ORD) | Philadelphia, PA (PHL) | One-way / Discount Den Basic Fare | Departing Dec 3, 2026 | From $63 Last seen: 4 hours ago |
| Chicago, IL (ORD) | Tampa, FL (TPA) | One-way / Discount Den Basic Fare | Departing Feb 3, 2027 | From $44 Last seen: 14 hours ago |
| Chicago, IL (ORD) | Miami, FL (MIA) | One-way / Discount Den Basic Fare | Departing Feb 24, 2027 | From $87 Last seen: 5 hours ago |
| Chicago, IL (ORD) | San Francisco, CA (SFO) | One-way / Discount Den Basic Fare | Departing Feb 25, 2027 | From $103 Last seen: 7 hours ago |
| Chicago, IL (ORD) | Fort Myers, FL (RSW) | One-way / Discount Den Basic Fare | Departing Jan 26, 2027 | From $64 Last seen: 15 hours ago |
| Chicago, IL (ORD) | Salt Lake City, UT (SLC) | One-way / Discount Den Basic Fare | Departing Nov 7, 2026 | From $102 Last seen: 3 hours ago |
| Chicago, IL (ORD) | Ontario/LA, CA (ONT) | One-way / Discount Den Basic Fare | Departing Oct 29, 2026 | From $99 Last seen: 2 hours ago |
| Chicago, IL (ORD) | Seattle, WA (SEA) | One-way / Discount Den Basic Fare | Departing Dec 16, 2026 | From $139 Last seen: 5 hours ago |
| Chicago, IL (ORD) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Oct 29, 2026 | From $118 Last seen: 15 hours ago |
| Chicago, IL (ORD) | Raleigh, NC (RDU) | One-way / Discount Den Basic Fare | Departing Nov 25, 2026 | From $84 Last seen: 4 hours ago |
| Chicago, IL (ORD) | Sacramento, CA (SMF) | One-way / Discount Den Basic Fare | Departing Nov 26, 2026 | From $138 Last seen: 4 hours ago |
| Chicago, IL (ORD) | San Antonio, TX (SAT) | One-way / Discount Den Basic Fare | Departing Oct 28, 2026 | From $118 Last seen: 7 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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