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Cheap Flights to Denver, Colorado – Unlock Budget-Friendly Deals for Your 2025 Mountain Adventure!

Budget Travel | 03 Nov 2025

Cheap Flights to Denver, Colorado – Unlock Budget-Friendly Deals for Your 2025 Mountain Adventure!

Denver, Colorado, the Mile High City, is your gateway to Rocky Mountain adventures, craft beer scenes, and vibrant urban charm, from Red Rocks Amphitheatre to LoDo’s bustling nightlife. Planning a 2025 escape? You’re in for a steal with cheap flights to Denver, Colorado starting at just $39 roundtrip from Phoenix, with non-stops under $45 from Las Vegas and $59 from Los Angeles. Whether you’re chasing budget flights to Denver from Chicago, Dallas, or New York, Cheap Deals Fare outshines competitors like Expedia and Kayak, delivering Denver flight deals up to 35% cheaper through our 600+ airline partnerships. With promo code DENSAVE20 ($20 off) and real-time price alerts, we make affordable flights to DEN effortless. Explore the best time to book flights to Denver, top low-cost flights to Denver, CO, and insider tips to explore the Rockies on a budget—let’s get you to Denver in 2025!

Why Denver? A High-Altitude Hub of Adventure

Denver, with its 5.8 million metro residents and 36 million annual visitors, blends outdoor thrills with urban cool. Denver International Airport (DEN), 25 miles from downtown, connects you to the 16th Street Mall, RiNo’s street art, and ski slopes within hours. The allure? Cheap flights to Denver, Colorado peak in shoulder seasons like November, offering 50-65°F weather perfect for hiking Mount Falcon or sipping brews at Great Divide, avoiding summer crowds (June-August, 85°F) or winter ski rushes. Domestic fares average $148, per Google Flights, but our deals dive lower. No passport needed for US travelers—ideal for quick getaways or ski trips.

Top 2025 Deals: Cheap Flights to Denver from US Cities

Fares drop in off-peak months, and our October 25, 2025, scans for November 2025-January 2026 highlight cheap flights to Denver, Colorado under $100 roundtrip from major hubs. Economy fares include taxes (baggage fees extra)—book midweek Tuesdays or Wednesdays for 15-20% savings. Cheap Deals Fare aggregates from Frontier, Spirit, United, Southwest, and Delta, beating Expedia’s $40+ baselines and Kayak’s pricier one-ways.

Top budget flights to DEN table (roundtrip economy):

Departure City

Airport

Sample Dates (2025)

Airline

Stops

Price (Roundtrip)

Duration (Outbound)

Phoenix (PHX)

PHX

Nov 12 - Nov 19

Frontier

0

$39

2h

Las Vegas (LAS)

LAS

Nov 15 - Nov 22

Spirit

0

$45

1h 50m

Los Angeles (LAX)

LAX

Nov 18 - Nov 25

United

0

$59

2h 20m

Dallas (DFW)

DFW

Dec 2 - Dec 9

Southwest

0

$69

2h 10m

Chicago (ORD)

ORD

Nov 11 - Nov 18

Frontier

0

$65

2h 30m

New York (JFK)

JFK

Nov 19 - Nov 26

JetBlue

1

$109

4h 50m

Atlanta (ATL)

ATL

Dec 3 - Dec 10

Delta

0

$79

3h 10m

*Prices from Kayak, Expedia, and Cheap Deals Fare—grab these cheap flights to Denver fast as deals sell out! Frontier’s PHX non-stop hits $39, while Spirit’s LAS direct is $45. East Coasters save with one-stops; West/South dominate non-stops. Pro tip: Flights to Denver from USA average $148, but midweek drops it to $100s.

How to Score the Best Cheap Flights to Denver, Colorado

Nailing cheap flights to Denver, Colorado is about strategy. Cheap Deals Fare outperforms Expedia’s tools and Kayak’s alerts with these hacks for affordable flights to Denver:

  • Book 21-60 Days Out: For November trips, book now—fares spike 20% within 14 days. Hopper data flags 28-64 days out for domestics at $140 lows.

  • Best Time to Book Flights to Denver: January-February and October-November cheapest ($120-$140 avg.); avoid December-March ski season peaks (15% hike). Post-Thanksgiving November 2025 shines.

  • Cheapest Day to Fly to Denver: Tuesdays ($90 avg.); Saturdays costliest ($120). Afternoon flights save $10-15.

  • Set Price Alerts: Use Cheap Deals Fare or Google Flights for “US to DEN” drops—snag $20 one-ways from LAS.

  • Budget Airlines & Stops: Frontier/Spirit lead with $39 deals; one-stops from JFK save 20% vs. directs.

  • Miles & Bundles: Redeem United MileagePlus or Southwest Rapid Rewards; Cheap Deals Fare bundles hotel + flight for $250 total.

Bonus: Use DENSAVE20 at Cheap Deals Fare for $20 off, topping Expedia’s no-promo offers.

Best Time for Cheap Flights to Denver & Weather Tips

For cheap flights to Denver, Colorado, January-February and October-November rule—50-65°F for Denver Botanic Gardens strolls or Red Rocks hikes, fares 15-20% below winter ski peaks (December-March, 30-45°F, $200+ avg.). Skip July’s heat (90°F) unless for festivals. November 12, 2025, flags lowest fares, per Skyscanner. Denver’s 2025 Great American Beer Festival (October) spikes demand, so aim for early November.

Denver forecast (October 25, 2025): Sunny 62°F—November cools to 55°F for cozy brewery nights.

Navigating DEN: Denver Airport Guide

Most cheap flights to Denver, Colorado land at Denver International (DEN), handling 78M passengers yearly. Domestic flights: 1-5 hours. Clear security in 15-30 mins (TSA PreCheck $78); RTD A Line train ($10, 37 mins to downtown) or Uber ($30-45, 25 mins) hit LoDo fast. Taxis ($50-60); rentals via shuttle. Cheap Deals Fare’s flight tracker outperforms Kayak’s for updates. Alternative: Centennial Airport (APA), 15 miles south, for private flights.

Budget-Friendly Denver Adventures

Your cheap airline tickets to Denver secured—explore on $50/day:

  • Red Rocks Park: Free trails, $10 amphitheatre tours.

  • 16th Street Mall: Free pedestrian vibes, $5 street tacos.

  • Denver Botanic Gardens: $15 entry, stunning seasonal displays.

  • RiNo Art District: Free murals, $8 craft beers.

  • Coors Field: $20 Rockies game tickets.

Daily budget: $40-80 covers food trucks ($10), RTD ($3), and mountain sunsets. Day-trip to Boulder ($5 bus) for Flatirons hikes.

Book Your Cheap Flights to Denver, Colorado Now!

Denver’s mountain magic awaits—cheap flights to Denver, Colorado from $39! Secure your budget flights to DEN with Cheap Deals Fare using DENSAVE20 before fares rise. From low-cost flights to Denver, CO to the best time to book flights to Denver, what’s your must-do—hiking or brews? Drop it below and travel smart!

Disclaimer: Fares shift fast; confirm on Cheap Deals Fare. Updated November 4, 2025.

- By cheapdealsfare Team
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*Fares incl. all fuel surcharges, our service fees and taxes. Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking. Lowest fares may require an advance purchase of up to 21 days.
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