Phoenix to Boulder flights
Boulder lies 948 km (589 mi) north-east of Phoenix, +1 h on the clock. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 58 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
| Phoenix | Boulder | |
|---|---|---|
| Country | United States | United States |
| Population | 1.7 million | 106,803 |
| Elevation | 366 m (1,201 ft) | 1,630 m (5,348 ft) |
| Time now | UTC-7 (America/Phoenix) | UTC-6 (America/Denver) |
| Nearest large airport | PHX, 6 km out | DEN, 54 km out |
| Postal codes | 85001–85098 | 80301–80314 |
Clocks in Boulder are 1 h ahead of Phoenix right now, so a 1 h 58 min journey lands 2 h 58 min later by the destination clock.
Airports at each end
Leaving Phoenix
Phoenix is served by 2 airports with scheduled flights within 100 km. The closest large one is Phoenix Sky Harbor International Airport (PHX), 6 km (4 mi) from the centre, whose 11,489-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Mesa Gateway Airport (AZA, 42 km).
Arriving in Boulder
Boulder is served by 2 airports with scheduled flights within 100 km. The closest large one is Denver International Airport (DEN), 54 km (34 mi) from the centre, whose 16,000-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Rocky Mountain Metropolitan Airport (BJC, 18 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Denver International Airport | DEN | 54 km (34 mi) | 16,000 ft | 5,431 ft |
| Rocky Mountain Metropolitan Airport (regional) | BJC | 18 km (11 mi) | 9,000 ft | 5,673 ft |
Book a flight to Boulder
Our airline partner is activating live fares for this site; the search below opens the moment that is done. Hotels can be booked now.
Flights are sold here by AirOrSeaTravel through our booking partner, Nuitée, which takes the payment; the ticket is issued by the airline. How this works.
Staying in Boulder
Live rooms and prices for Boulder are in the search below.
Book a hotel in Boulder
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Boulder from Phoenix?
948 km (589 mi) in a straight line, north-east of Phoenix.
How long does it take to get from Phoenix to Boulder by air?
About 1 h 58 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Phoenix and Boulder?
Boulder is 1 h ahead at the moment (America/Denver against America/Phoenix).
Which airports are used for Phoenix to Boulder flights?
Typically Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN); Boulder also has BJC.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.