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Cheap Flights from Chicago to Miami

Chicago to Miami is one of the most popular domestic routes in the United States, connecting the Midwest to South Florida's beaches, nightlife, and year-round sunshine. American Airlines dominates with 8–10 daily nonstops from O'Hare, while United adds another 6–7 daily departures. Budget carriers Spirit and Frontier provide ultra-low-cost options. With roughly 60 weekly nonstops and fierce competition, Camli's consolidator network consistently finds fares well below published prices on this high-demand corridor.

From
$100
~3h 10min–3h 20min southbound · ~1,198 miles / 1,928 km

Chicago to Miami Flight Overview

RouteChicago (ORD) → Miami (MIA)
Distance~1,198 miles / 1,928 km
Flight Time (Outbound)~3h 10min–3h 20min southbound
Flight Time (Return)~3h 20min–3h 35min northbound
Nonstop CarriersAmerican Airlines, United Airlines, Spirit Airlines, Frontier Airlines (ORD); Southwest Airlines (MDW)
Connecting CarriersDelta (via ATL), JetBlue (via FLL/BOS)
Peak SeasonLate March (spring break), Christmas/New Year, January–February (snowbird season)
Shoulder SeasonMay, November, early December
Premium CabinsAmerican Business Class, United Business Class (domestic-style recliners)

Chicago to Miami Fare Comparison

Indicative starting prices — search for live availability

CabinAirlineFromStops
EconomyMultiple carriers$122Nonstop
EconomyAmerican Airlines$169Nonstop (ORD)
EconomyUnited Airlines$169Nonstop (ORD)
EconomySpirit Airlines$100Nonstop (ORD)
EconomyFrontier Airlines$119Nonstop (ORD)
EconomySouthwest Airlines$149Nonstop (MDW)
BusinessAmerican Airlines$660Nonstop (ORD)
BusinessUnited Airlines$660Nonstop (ORD)

Prices shown are indicative round-trip starting fares as of April 2026, inclusive of taxes and fees. Spirit and Frontier charge separately for bags and seat selection. Southwest includes 2 free checked bags. Business class on this domestic route is a recliner seat, not a lie-flat. Fares vary significantly by season — spring break and snowbird season (Jan–Mar) command premium pricing. Search for live pricing.

Airlines Flying Chicago to Miami

Schedules verified April 2026. American Airlines is the dominant carrier with 8–10 daily nonstops from ORD. United adds 6–7 daily. Spirit and Frontier provide budget options. Southwest flies nonstop from Midway (MDW) daily on weekdays. Delta does not operate nonstop ORD–MIA — all Delta service connects via Atlanta.

AA
American Airlines
nonstop8–10 daily (ORD–MIA)
Aircraft: Boeing 737-800, Airbus A321, Boeing 737 MAX 8
Dominant carrier with ~73 weekly nonstops. Oneworld alliance. Miami is a major AA hub, so connections to Caribbean and Latin America are seamless. AAdvantage miles earning. Admirals Club at both ORD and MIA.
UA
United Airlines
nonstop6–7 daily (ORD–MIA)
Aircraft: Boeing 737-800, Boeing 737 MAX 9, Boeing 737-900
~46 weekly nonstops. Star Alliance member. O'Hare is a major United hub. MileagePlus earning. Economy Plus extra legroom available.
NK
Spirit Airlines
nonstopDaily (ORD–MIA)
Aircraft: Airbus A320neo, Airbus A319
Ultra-low-cost carrier. Lowest base fares from $50 one-way but bags, seats, and snacks cost extra. Big Front Seat for extra legroom. Good for budget travelers with minimal luggage.
F9
Frontier Airlines
nonstop3x/week (ORD–MIA)
Aircraft: Airbus A320neo
Launched ORD–MIA nonstop in February 2026. Ultra-low-cost carrier. Also operates from Midway (MDW). Discount Den membership for lowest fares.
WN
Southwest Airlines
nonstop1 daily Mon–Fri (MDW–MIA)
Aircraft: Boeing 737 MAX 8, Boeing 737-800
Flies from Chicago Midway (MDW), not O'Hare. 2 free checked bags included. No assigned seats. Rapid Rewards earning. Weekend service varies seasonally.
DL
Delta Air Lines
connectingMultiple daily (via ATL)
Aircraft: Various
No nonstop ORD–MIA service. Connects via Atlanta (ATL), adding 2–4 hours. SkyTeam member. SkyMiles earning. Consider if you need Delta connections or have status.

Best Time to Book Chicago to Miami Flights

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Low fares Moderate Peak prices

Cheapest Months to Fly

May, September, and October offer the lowest fares, with round-trips starting around $169. Summer (June–August) is surprisingly affordable since Miami's heat and humidity deter some travelers. The most expensive periods are late March (spring break), Christmas/New Year, and January–February (snowbird season), when Chicagoans flee winter and fares can exceed $350 round-trip.

Best Days of the Week

Tuesdays and Wednesdays are cheapest, with savings of up to 15% compared to Friday departures. Sunday flights are also competitive. Saturday morning departures tend to be the most expensive for this leisure-heavy route.

Optimal Booking Window

4–8 weeks ahead for regular travel. Spring break: 10–12 weeks ahead. Christmas/New Year: 12+ weeks ahead. Spirit and Frontier run frequent flash sales with 48-hour booking windows. Camli's consolidator deals are often available closer to departure.

Tips for Finding Cheap Chicago to Miami Flights

1Midway (MDW) vs O'Hare (ORD)

Southwest flies nonstop from Midway with 2 free checked bags included. If you live on Chicago's South Side or southwest suburbs, MDW can save both money and commute time. O'Hare has more options but Midway shouldn't be overlooked.

2Miami Is an AA Hub

American Airlines' Miami hub means seamless connections to the Caribbean, Central America, and South America. If your final destination is beyond Miami, AA's ORD–MIA nonstop plus a connecting flight is often the fastest routing.

3Spirit's Big Front Seat

Spirit's Big Front Seat offers 36 inches of legroom in a wider leather seat for a modest upcharge ($30–60). On a 3-hour flight, it's a solid value compared to full-service business class at $660+.

4Snowbird Season Strategy

January–March fares spike as Chicagoans escape winter. Book 10–12 weeks ahead or use Camli's consolidator fares to beat the seasonal premium. Mid-week departures save 15–20% during snowbird season.

5Hurricane Season Isn't Always Bad

June–November is technically hurricane season, but Miami rarely gets direct hits. September and October offer the cheapest fares of the year. Just buy travel insurance and monitor weather forecasts.

Airports for Chicago to Miami

Departure Airports — Chicago

ORD
O'Hare International Airport
17 miles from Downtown Chicago
Main departure point. American Airlines Terminals 1/3, United Terminal 1. CTA Blue Line connects to downtown (~45 min). Most nonstop options.
MDW
Chicago Midway International Airport
10 miles from Downtown Chicago
Southwest Airlines hub. CTA Orange Line connects to downtown (~30 min). Closer to South Side neighborhoods. Southwest nonstop to MIA daily.

Arrival Airports — Miami

MIA
Miami International Airport
8 miles from Downtown Miami
Major American Airlines hub. Metrorail connects to downtown and Brickell. Taxi/rideshare to South Beach: 20–30 min. Rental car center accessible via MIA Mover.

What Awaits You in Miami

South Beach & Ocean Drive

Miami's iconic stretch of white sand, Art Deco architecture, and vibrant nightlife. Walk the boardwalk, people-watch at outdoor cafes, and experience the energy that makes Miami Beach world-famous.

Little Havana & Calle Ocho

Experience Miami's Cuban heritage along Calle Ocho (8th Street). Fresh cafecito, hand-rolled cigars, live salsa music, and Domino Park — a cultural experience unlike anywhere else in the US.

Wynwood Walls & Arts District

An outdoor museum of street art featuring murals by artists from around the world. The surrounding Wynwood neighborhood is packed with galleries, breweries, and restaurants.

Everglades & Biscayne Bay

Airboat tours through the Everglades to spot alligators and wildlife. Biscayne Bay offers boat tours, kayaking through mangrove tunnels, and dolphin spotting — all within 30 minutes of downtown.

Ready to Book Chicago to Miami?

Search Camli's consolidator network for fares up to 60% below published prices. Or call our 24/7 expert line for unpublished deals.

Call 1-855-919-6470

Frequently Asked Questions — Chicago to Miami Flights

How long is the flight from Chicago to Miami?
Nonstop from ORD to MIA is approximately 3 hours 10–20 minutes southbound. Northbound (MIA to ORD) takes about 3 hours 20–35 minutes. Total door-to-door time is typically 5–6 hours including airport procedures.
What is the cheapest airline from Chicago to Miami?
Spirit Airlines offers the lowest base fares (from $50 one-way) but charges for bags and seats. Frontier is also budget-friendly. For all-inclusive value, Southwest from Midway includes 2 free checked bags. American and United start around $169 round-trip during off-peak months.
Does Delta fly nonstop from Chicago to Miami?
No — Delta does not operate nonstop ORD–MIA service. All Delta flights connect via Atlanta (ATL), adding 2–4 hours. For nonstop options, American Airlines, United, Spirit, and Frontier all serve ORD–MIA directly.
Should I fly from O'Hare or Midway?
O'Hare (ORD) has more nonstop options (AA, United, Spirit, Frontier — ~60 weekly flights). Midway (MDW) has Southwest nonstop daily on weekdays with 2 free bags included. Choose based on your location in Chicago and baggage needs.
When is the cheapest time to fly from Chicago to Miami?
May, September, and October offer the lowest fares. August is also affordable despite being hurricane season. Avoid late March (spring break), Christmas/New Year, and January–February (snowbird season) for the best prices.
Is there a business class on Chicago to Miami flights?
American and United offer domestic business class (recliner seats, not lie-flat) from around $660 one-way. There is no lie-flat or international-style business class on this domestic route. Spirit's Big Front Seat offers extra legroom for $30–60.
What is the best time to visit Miami from Chicago?
November through April is Miami's dry season with pleasant temperatures (75–85°F). However, this coincides with peak pricing. May and October offer the best balance of good weather and affordable fares.
How far in advance should I book Chicago to Miami?
4–8 weeks for regular travel. 10–12 weeks for spring break. 12+ weeks for Christmas/New Year. Spirit and Frontier run flash sales frequently, so signing up for fare alerts can yield last-minute deals.