Santa Ana (SNA) to Denver (DEN) flights
3 airlines fly nonstop from Santa Ana (SNA) to Denver (DEN): Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 844 miles (1,358 km) apart. United Airlines is in Star Alliance. There are also 15 ways to fly it with one stop, through Las Vegas, Colorado Springs and Phoenix and more.
Airlines flying nonstop from SNA to DEN
- Frontier AirlinesNot in an allianceWho books it
- Southwest AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book SNA to DEN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
SNA to DEN with one stop
15 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
+2 - Via Colorado Springs (COS)Allegiant Air, then United Airlines and Southwest Airlines
- Via Phoenix (PHX)American Airlines, Southwest Airlines and 1 more the whole way
+1 - Via Salt Lake City (SLC)Delta Air Lines the whole way+1
- Via Tucson (TUS)Alaska Airlines, then United Airlines and Southwest Airlines
- Via Idaho Falls (IDA)Allegiant Air, then United Airlines
- Via San Jose (SJC)Southwest Airlines the whole way
- Via Sacramento (SMF)Southwest Airlines the whole way
- Via Oakland (OAK)Southwest Airlines the whole way
- Via Boise (BOI)Allegiant Air and Alaska Airlines, then Frontier Airlines, United Airlines and 1 more
- Via San Francisco (SFO)United Airlines and Frontier Airlines the whole way
- Via Santa Rosa (STS)Alaska Airlines, then Southwest Airlines
- Via Medford (MFR)Allegiant Air, then United Airlines
- Via Pasco (PSC)Allegiant Air, then United Airlines
- Via Eugene (EUG)Allegiant Air, then United Airlines and Southwest Airlines
SNA to DEN: common questions
Which airlines fly nonstop from SNA to DEN?
Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Santa Ana (SNA) to Denver (DEN).
How far is Santa Ana from Denver by plane?
Santa Ana (SNA) and Denver (DEN) are 844 miles (1,358 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SNA to DEN award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SNA to DEN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SNA to DEN with taxes and fees.
Where can I connect between Santa Ana and Denver?
The most direct connections are through Las Vegas (LAS), Colorado Springs (COS), Phoenix (PHX), Salt Lake City (SLC) and Tucson (TUS). On 7 of them the same airline flies both flights, for example Southwest Airlines through Las Vegas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.