neighbourhood
LoDo (Lower Downtown) + Union Station
Historic 1881 Union Station (lobby is free) + LoDo brewery district. Wynkoop Brewing (1988 first craft brewpub) + Great Divide Brewing.
Denver International Airport (DEN) · USA
12-Hour Layover in Denver: What To Do
By AirConnect Editorial
Photo: Atlantic Ambience on Pexels.
Quick answer
Can you leave the airport on a 12-hour layover in Denver?
Entry
Same USA rules — ESTA or visa required. International at DEN clear US immigration (Concourse A international). DEN is at 5,280 ft elevation — drink water on arrival + don't overdo it day one.
Into town
RTD A Line train (to Union Station): 37 min, USD 10.50.
Time outside
6–8 hours exploring
Times from DEN arrivals. Check entry rules for your passport before you fly.
Top Denver: Where to Go
The sights in Denver worth leaving the airport for.
2Red Rocks Amphitheatre (free to visit)
World-famous outdoor concert venue carved into red sandstone. Free entry to amphitheatre when no concerts. 30 min west of Denver. Hike at sunrise.
Photo: Unknown author, CC BY-SA 3.0, via Wikimedia Commons.
park
Denver Botanic Gardens + City Park
Botanic Gardens (USD 19) features Japanese garden + 24 themed gardens. City Park has free zoo (USD 25) + Museum of Nature & Science (USD 25).
neighbourhood
16th Street Mall + Capitol Hill
Pedestrian + free shuttle bus 16th Street Mall. State Capitol building with free guided tours (Mon-Fri). Free walking.
Itinerary ideas for Denver
Pick the plan that fits the time between your flights.
12 hours
You are here12 hours in Denver
6–8 hours exploring
Insider tip
DEN is 38km from downtown — RTD A Line train is the fastest fast option (USD 10.50, 37 min). The station is inside the terminal. For 6+ hour layovers: Red Rocks Amphitheatre (Uber from downtown, USD 25 each way) is the iconic Denver experience.
Into Denver
Getting to Denver City Centre
| Mode | Cost | Time |
|---|---|---|
| RTD A Line train (to Union Station) | USD 10.50 | 37 min |
| Taxi / Uber / Lyft | USD 55–85 | 35–55 min |
Eat like a local
Eat Like a Local in Denver
Green chile burrito at Sam's No. 3 (1927, original American diner). Bison burger at Buckhorn Exchange (Denver's oldest restaurant since 1893). Craft beer at Wynkoop (founded by Mayor John Hickenlooper).
12 hours in Denver
12-Hour Itinerary
1
0–60 min
Clear passport control and head into Denver
Take RTD A Line train (to Union Station) (37 min, USD 10.50).
2
1–4 hrs
LoDo (Lower Downtown) + Union Station
Historic 1881 Union Station (lobby is free) + LoDo brewery district. Wynkoop Brewing (1988 first craft brewpub) + Great Divide Brewing.
3
4–6 hrs
Red Rocks Amphitheatre (free to visit)
World-famous outdoor concert venue carved into red sandstone. Free entry to amphitheatre when no concerts. 30 min west of Denver. Hike at sunrise.
4
6–8 hrs
Eat like a local
Green chile burrito at Sam's No. 3 (1927, original American diner). Bison burger at Buckhorn Exchange (Denver's oldest restaurant since 1893). Craft beer at Wynkoop (founded by Mayor John Hickenlooper).
5
8–10 hrs
Denver Botanic Gardens + City Park
Botanic Gardens (USD 19) features Japanese garden + 24 themed gardens. City Park has free zoo (USD 25) + Museum of Nature & Science (USD 25).
6
10–12 hrs
Back to Denver International Airport
Head back to Denver International Airport by RTD A Line train (to Union Station) (37 min, USD 10.50). Be at the airport at least 2 hours before your flight.
Your questions
Frequently Asked Questions
Do I need a visa for a 12-hour layover in Denver?
Same USA rules — ESTA or visa required. International at DEN clear US immigration (Concourse A international). DEN is at 5,280 ft elevation — drink water on arrival + don't overdo it day one. Check the rules for your own passport before you fly.
Is 12 hours enough to leave Denver International Airport?
6–8 hours exploring. Getting into Denver by RTD A Line train (to Union Station) takes 37 min each way.
How do I get from Denver International Airport to Denver centre?
RTD A Line train (to Union Station): 37 min, USD 10.50. Taxi / Uber / Lyft: 35–55 min, USD 55–85.
Getting out of Denver International Airport
Skip the taxi rank and lock in your fare before you land.
Pre-book a fixed-price transfer
Our pickDriver waits at arrivals with your name, tracks your flight, and the price you see is the price you pay. English-speaking, fixed price. No surge, no haggling at 2am.
Check transfer pricesRenting a car instead? Compare rentals with free cancellation.Things to do in Denver
Lock in a few experiences before you go — the good ones sell out.
Tours, tickets & day trips
Our pickGetYourGuide has the deepest catalogue for Denver and free cancellation on most experiences — book now, decide later.
Browse DenverJust need timed-entry attraction tickets in Denver? Try Tiqets.Want a private driver-guide? Trip.com Private Tours in Denver.Trains & buses from Denver
Compare overland routes — often cheaper, more scenic and skip the airport queue.
Photo: Engin Akyurt on Pexels.
Hotels near Denver Airport
With 12 hours, a day-use hotel room is worth it — shower, sleep, and recharge before your next flight.
Find hotels in Denver
Hotels, hostels & more · Expedia
Search hotels
Also useful for your Denver trip
Stay connected abroad — no roaming bills
Buy a travel eSIM before you fly and install it by QR code.
Airlines that fly to Denver
See each airline’s route map: where else it flies from DEN.
Flights to Denver from 92 cities: fares and airlines →
Boutique Air route mapDenver Air Connection route mapFrontier Airlines route mapSouthwest Airlines route mapUnited Airlines route mapAer Lingus route mapAeromexico route mapAir Canada route mapAir France route mapAlaska Airlines route mapAllegiant Air route mapAmerican Airlines route mapBreeze Airways route mapBritish Airways route mapCayman Airways route mapContour Airlines route mapCopa Airlines route mapDelta Air Lines route map
Airport lounges at Denver Airport
Wait for your flight in a lounge — one membership covers lounges at airports across the country and worldwide.
Denver travel deals
Weekly layover, flight + hotel deals. No spam.
How a layover in Denver works
01
Check you can leave
Same USA rules — ESTA or visa required. International at DEN clear US immigration (Concourse A international). DEN is at 5,280 ft elevation — drink water on arrival + don't overdo it day one.
02
Head into town
RTD A Line train (to Union Station): 37 min, USD 10.50.
Photo: Artem Yellow on Pexels.
03
Back in time for your flight
Head back to Denver International Airport by RTD A Line train (to Union Station) (37 min, USD 10.50). Be at the airport at least 2 hours before your flight.
Ready for Denver?
Tours, tickets and day trips that fit between your flights.
Daylight on the ground
Daylight in Denver runs from about 9.2 hours in Dec to 14.8 in Jun. Enough of a difference that a winter stopover gives you noticeably less usable time outside than a summer one.