Flights from Chicago, IL
expand_more
1 Traveler
expand_morePromo Code
expand_moretoday
today
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
flight_takeoff
flight_land
$
From | To | |||
|---|---|---|---|---|
| Chicago, IL (ORD) | Orlando, FL (MCO) | One-way / Discount Den Basic Fare | Departing Aug 18, 2026 | From $19 Last seen: 1 hour ago |
| Chicago, IL (MDW) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Jul 4, 2026 | From $23 Last seen: 17 hours ago |
| Chicago, IL (ORD) | Las Vegas, NV (LAS) | One-way / Discount Den Basic Fare | Departing Sep 29, 2026 | From $54 Last seen: 15 hours ago |
| Chicago, IL (ORD) | Denver, CO (DEN) | One-way / Discount Den Basic Fare | Departing Sep 1, 2026 | From $39 Last seen: 15 hours ago |
| Chicago, IL (ORD) | Dallas, TX (DFW) | One-way / Discount Den Basic Fare | Departing Sep 2, 2026 | From $37 Last seen: 2 hours ago |
| Chicago, IL (ORD) | Fort Lauderdale, FL (FLL) | One-way / Discount Den Basic Fare | Departing Aug 19, 2026 | From $19 Last seen: 2 hours ago |
| Chicago, IL (ORD) | Houston, TX (IAH) | One-way / Discount Den Basic Fare | Departing Aug 5, 2026 | From $19 Last seen: 5 hours ago |
| Chicago, IL (ORD) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Jul 15, 2026 | From $23 Last seen: 4 hours ago |
| Chicago, IL (ORD) | Los Angeles, CA (LAX) | One-way / Discount Den Basic Fare | Departing Aug 25, 2026 | From $24 Last seen: 2 hours ago |
| Chicago, IL (ORD) | San Juan, PR (SJU) | One-way / Discount Den Basic Fare | Departing Sep 2, 2026 | From $75 Last seen: 6 hours ago |
| Chicago, IL (MDW) | Dallas, TX (DFW) | One-way / Discount Den Basic Fare | Departing Jul 1, 2026 | From $52 Last seen: 51 mins ago |
| Chicago, IL (ORD) | Cancun, MX (CUN) | One-way / Discount Den Basic Fare | Departing Jul 26, 2026 | From $122 Last seen: 2 hours ago |
| Chicago, IL (ORD) | Philadelphia, PA (PHL) | One-way / Discount Den Basic Fare | Departing Jul 18, 2026 | From $49 Last seen: 15 hours ago |
| Chicago, IL (ORD) | Miami, FL (MIA) | One-way / Discount Den Basic Fare | Departing Aug 17, 2026 | From $33 Last seen: 2 hours ago |
| Chicago, IL (ORD) | Tampa, FL (TPA) | One-way / Discount Den Basic Fare | Departing Jun 16, 2026 | From $37 Last seen: 2 hours ago |
| Chicago, IL (MDW) | Orlando, FL (MCO) | One-way / Discount Den Basic Fare | Departing Jun 30, 2026 | From $49 Last seen: 6 hours ago |
| Chicago, IL (ORD) | Phoenix, AZ (PHX) | One-way / Discount Den Basic Fare | Departing Jun 10, 2026 | From $48 Last seen: 2 hours ago |
| Chicago, IL (MDW) | Miami, FL (MIA) | One-way / Discount Den Basic Fare | Departing Jun 13, 2026 | From $53 Last seen: 16 hours ago |
| Chicago, IL (ORD) | Baltimore, MD (BWI) | One-way / Discount Den Basic Fare | Departing Jul 1, 2026 | From $43 Last seen: 2 hours ago |
| Chicago, IL (MDW) | Houston, TX (IAH) | One-way / Discount Den Basic Fare | Departing Aug 7, 2026 | From $95 Last seen: 2 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®.
PLAN YOUR TRIP
Download the Mobile App
Manage your trip by downloading our mobile app! Passengers may check-in online, access their digital boarding pass, check flight status and so much more. The app does it all! and Instead of printing your boarding pass, download our mobile app to access it there.
More flights from Chicago, IL
Explore Frontier's Top-Pick Destinations
Earn 50,000 Miles after qualifying activity. Plus $0 Intro Annual Fee, then $99.
Terms Apply.