Earn 50,000 Miles after qualifying activity. Plus $0 Intro Annual Fee, then $99.
Terms Apply.
Flights from Denver, CO
expand_more
1 Traveler
expand_morePromo Code
expand_moretoday
today
Best Flight Deals from Denver, CO with Frontier
flight_takeoff
flight_land
$
From | To | |||
|---|---|---|---|---|
| Denver, CO (DEN) | Las Vegas, NV (LAS) | One-way / Discount Den Basic Fare | Departing Sep 9, 2026 | From $33 Last seen: 52 mins ago |
| Denver, CO (DEN) | Orlando, FL (MCO) | One-way / Discount Den Basic Fare | Departing Sep 9, 2026 | From $44 Last seen: 45 mins ago |
| Denver, CO (DEN) | Phoenix, AZ (PHX) | One-way / Discount Den Basic Fare | Departing Jul 1, 2026 | From $33 Last seen: 15 hours ago |
| Denver, CO (DEN) | Dallas, TX (DFW) | One-way / Discount Den Basic Fare | Departing Jun 30, 2026 | From $23 Last seen: 1 hour ago |
| Denver, CO (DEN) | Los Angeles, CA (LAX) | One-way / Discount Den Basic Fare | Departing Aug 25, 2026 | From $19 Last seen: 3 hours ago |
| Denver, CO (DEN) | Tampa, FL (TPA) | One-way / Discount Den Basic Fare | Departing Sep 9, 2026 | From $38 Last seen: 3 hours ago |
| Denver, CO (DEN) | Seattle, WA (SEA) | One-way / Discount Den Basic Fare | Departing Aug 31, 2026 | From $68 Last seen: 15 hours ago |
| Denver, CO (DEN) | San Diego, CA (SAN) | One-way / Discount Den Basic Fare | Departing Jul 15, 2026 | From $40 Last seen: 44 mins ago |
| Denver, CO (DEN) | San Francisco, CA (SFO) | One-way / Discount Den Basic Fare | Departing Aug 12, 2026 | From $33 Last seen: 4 hours ago |
| Denver, CO (DEN) | Washington, D.C. (DCA) | One-way / Discount Den Basic Fare | Departing Sep 15, 2026 | From $112 Last seen: 4 hours ago |
| Denver, CO (DEN) | Atlanta, GA (ATL) | One-way / Discount Den Basic Fare | Departing Aug 11, 2026 | From $44 Last seen: 5 hours ago |
| Denver, CO (DEN) | Chicago, IL (ORD) | One-way / Discount Den Basic Fare | Departing Sep 10, 2026 | From $39 Last seen: 8 hours ago |
| Denver, CO (DEN) | Portland, OR (PDX) | One-way / Discount Den Basic Fare | Departing Aug 20, 2026 | From $49 Last seen: 17 hours ago |
| Denver, CO (DEN) | Miami, FL (MIA) | One-way / Discount Den Basic Fare | Departing Aug 11, 2026 | From $38 Last seen: 18 mins ago |
| Denver, CO (DEN) | Houston, TX (IAH) | One-way / Discount Den Basic Fare | Departing Aug 24, 2026 | From $41 Last seen: 3 hours ago |
| Denver, CO (DEN) | Detroit, MI (DTW) | One-way / Discount Den Basic Fare | Departing Aug 12, 2026 | From $38 Last seen: 21 mins ago |
| Denver, CO (DEN) | Minneapolis/St. Paul, MN (MSP) | One-way / Discount Den Basic Fare | Departing Aug 11, 2026 | From $45 Last seen: 3 hours ago |
| Denver, CO (DEN) | Salt Lake City, UT (SLC) | One-way / Discount Den Basic Fare | Departing Jul 1, 2026 | From $19 Last seen: 11 hours ago |
| Denver, CO (DEN) | Ontario/LA, CA (ONT) | One-way / Discount Den Basic Fare | Departing Aug 15, 2026 | From $19 Last seen: 12 hours ago |
| Denver, CO (DEN) | Philadelphia, PA (PHL) | One-way / Discount Den Basic Fare | Departing Jul 4, 2026 | From $54 Last seen: 16 hours ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
More flights from Denver, CO
Explore Frontier's Top-Pick Destinations