How to Get to Key Largo From Chicago [2026 Guide]
Travel from Chicago to Key Largo in 3 hrs 15 mins flight to Miami + 1.5 hr drive ($200–$380), 21–23 hrs by car (1,380 miles, $180–$250 fuel + tolls), or 30–34 hrs by bus/train combo ($150–$220). Compare travel times, costs & best ways.
The fastest way to get from Chicago to Key Largo is a flight to Miami (3 hrs 15 mins) plus a 1.5 hr drive, costing $200–$380 total. Driving takes 21–23 hrs (1,380 miles, $180–$250 fuel + tolls). Bus or train combos cost $150–$220 but take 30–34 hrs.
Key Largo, the “Dive Capital of the World,” is the northernmost of the Florida Keys and famous for its coral reefs, John Pennekamp Coral Reef State Park, and relaxed tropical atmosphere. Reaching it from Chicago requires a mix of air, road, or bus/train travel.
- Distance: 1,380 miles (2,220 km)
- Fastest travel time: ~5 hrs total (flight + drive)
- Entry points: Miami International Airport (MIA), Fort Lauderdale-Hollywood Airport (FLL)
✈️ Travel by Flight From Chicago to Key Largo (Best & Fastest Option)
Flying from Chicago to Key Largo is the best, fastest, and most convenient travel option to reach the northernmost Florida Keys.
Travelers can choose from multiple daily nonstop flights departing out of Chicago O’Hare International Airport (ORD) or Chicago Midway International Airport (MDW) to Miami International Airport (MIA) or Fort Lauderdale-Hollywood International Airport (FLL), operated by major airlines like United, American, Delta, Spirit, and Southwest.
Nonstop air travel takes approximately 3 hours and 15 minutes, followed by an easy 1.5-hour car rental or shuttle transfer from Miami, or roughly 2 hours from Fort Lauderdale, bringing the total travel time to 5 to 6 hours. Round-trip fares generally range from $200 to $380, making this efficient route ideal for visitors seeking quick access to the Keys with minimal hassle.
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🚗 Travel by Car From Chicago to Key Largo (Scenic Road Trip)
Driving to Key Largo from Chicago is a long but rewarding road trip. The route generally follows I-65 South through Indiana, Kentucky, Tennessee, Georgia, and Florida before connecting to U.S. 1 into the Keys.
- Distance: 1,380 miles
- Duration: 21–23 hrs
- Cost: $180–$250 fuel + $40–$60 tolls
Advantages:
- Flexibility for sightseeing stops (Nashville, Atlanta, Orlando, Miami)
- No baggage restrictions
- Scenic entry into the Florida Keys
🚆 Travel by Train From Chicago to Key Largo (Amtrak + Shuttle)
Traveling by train from Chicago to Key Largo offers a comfortable, eco-friendly transit alternative for passengers seeking a scenic rail journey through the eastern United States. While there is no direct train service straight to the Florida Keys, travelers can easily combine an Amtrak route with a connecting shuttle.
The typical journey begins at Chicago Union Station aboard the Amtrak train traveling directly to the Miami Amtrak Station, followed by a connecting bus or shuttle down to Key Largo. This multi-leg trip takes a total duration of 32 to 34 hours, with ticket prices ranging affordably from $170 to $220.
Along with picturesque window views, this route provides a relaxed cross-country experience featuring comfortable long-distance seating and optional sleeper car upgrades.
🚌 Travel by Bus From Chicago to Key Largo
Direct buses don’t run from Chicago to Key Largo, but Greyhound or FlixBus can take you to Miami, where you transfer to a local shuttle or bus into the Keys.
- Duration: 30–32 hrs
- Cost: $150–$190
- Route: Chicago → Miami (bus) → Key Largo (local shuttle/bus)
Advantages:
- Cheapest option
- Overnight routes available
- Good for solo budget travelers
Best Way to Travel
For most travelers, the flight to Miami plus a short drive is the best way to get from Chicago to Key Largo. Driving works for road-trippers with time, while bus or train options are budget-friendly but very slow.
Related Routes from Chicago:
How to Get to Key West From Chicago
Chicago to Key Largo Travel Cost Summary
| Mode | Duration | Cost (USD) | Best For | Notes |
|---|---|---|---|---|
| ✈️ Flight + Car | 5–6 hrs total | $200–$380 | Fast, convenient | ORD/MDW → MIA/FLL + 1.5–2 hr drive |
| 🚗 Car | 21–23 hrs | $180–$250 + tolls | Road trippers | Long but scenic drive |
| 🚆 Train+Bus | 32–34 hrs | $170–$220 | Scenic, eco-travelers | ORD → Miami (Amtrak) + shuttle |
| 🚌 Bus | 30–32 hrs | $150–$190 | Budget travelers | ORD → Miami (bus) + local transfer |
FAQs About How to Get to Key Largo From Chicago
Q1: What is the fastest way to get from Chicago to Key Largo?
A nonstop flight to Miami plus a 1.5 hr drive is the fastest route, taking ~5 hrs total.
Q2: What is the cheapest way to travel to Key Largo?
Buses cost $150–$190, making them the cheapest option.
Q3: Can I drive from Chicago to Key Largo in one day?
Technically yes, in 21–23 hrs, but most travelers split it into 2 days.
Q4: Which airport is closest to Key Largo?
Miami International Airport (MIA) is closest at 1.5 hrs away.
Q5: Is there public transportation from Miami to Key Largo?
Yes, shuttles and buses run from Miami Airport and Miami Beach to Key Largo daily.