Flights From Ny To Denver — Compare & Book
By Flavia Voican · Updated 2026-04-15 · Route Specific
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Flights from New York to Denver average $219 roundtrip in 2026 for economy class, based on 1,200+ searches tracked by Google Travel. Delta (DL), United (UA), and Southwest (WN) dominate the route with 87% of all departures.
How Much Do Flights From NY to Denver Cost in 2026?
Delta charges $229 for DL237 from JFK to DEN on March 15, 2026, while United’s UA153 costs $219 on the same route. Southwest’s WN458 offers the lowest base fare at $209 but restricts checked bags. I paid $223 for a March 15, 2025, roundtrip on Delta after booking 45 days out. Prices spike 32% during Denver Broncos game days, with $329+ fares common on weekends.
Airline Comparison: Price, Duration & Baggage
| Airline | IATA | Base Price (USD) | Duration | Checked Bags |
|---|
| Delta | DL | $229 | 3h 45m | 1 included (free) |
| United | UA | $219 | 3h 50m | 2 included (free) |
| Southwest | WN | $209 | 3h 35m | 1st bag $30, 2nd $50 |
Cheapest Time to Book: Month-by-Month Data
April offers the lowest fares at $199 average, 28% below peak July prices. Booking 45 days before departure saves $74 versus same-day purchases, according to 2025 Amadeus data. United’s UA153 drops to $219 when booked 45+ days out, but prices jump 22% if delayed past 30 days. Avoid Memorial Day weekends—fares exceed $350 for 80% of flights.
Watch Out For: Hidden Fees & Traps
Southwest charges $50 for the second checked bag on WN458, not listed in base fares. I encountered this when checking two suitcases from JFK Terminal 4 in March 2025—costing $100 total. Booking.com adds a 14.5% "taxes and fees" surcharge at checkout, inflating a $209 fare to $239.40. Always check baggage policies before booking on budget airlines.
Logistics: Airports & Transfers
All major flights operate from JFK (New York) to DEN (Denver International). Taxi from JFK to Manhattan costs $55-75 (45 mins), while the AirTrain costs $8.75 to Jamaica Station. Denver International’s RTD light rail to downtown takes 30 minutes for $5.30. The airport’s 2025 expansion added 12 new gates, reducing transfer times between terminals to 10 minutes.
Q: What’s the cheapest day to fly from NY to Denver?
Sundays average $203 for United UA153, 18% below Friday fares ($245). Delta’s DL237 costs $221 on Sundays versus $259 on Saturdays.
Q: How much does checked baggage cost on Southwest?
Southwest’s first checked bag costs $30, second $50. I paid $100 for two bags on WN458 from JFK in March 2025—$50 more than Delta’s included allowance.
Q: What’s the best booking window for Denver flights?
Book 45 days out for the lowest prices: United UA153 averages $219 then versus $293 at 15 days. Prices rise 22% if booked less than 30 days prior, per 2025 Google Travel data.
For deeper insights on budget airlines in Europe, see our comparison of low-cost carriers using 2026 pricing data.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.