United States·DEN·North America
Cheap Flights to Denver
$250 round trip from New Yorkseen Aug 18 · 28 Sept–4 Oct
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Overview
Flying to Denver
Country
United States
Region
North America
Airport
DEN
Cheapest month we saw
—
Fares we found
What we have seen flights to Denver cost
5 observations — too few to say which month is cheapest, so here they are as they came.
- August$425 round trip from New York · departing 2026-08-25 · seen Aug 23
- September$210 round trip from New York · departing 2026-09-23 · seen Aug 23
- October$240 round trip from New York · departing 2026-10-27 · seen Aug 23
- November$534 round trip from New York · departing 2026-11-29 · seen Aug 23
- February$334 round trip from New York · departing 2027-02-09 · seen Aug 23
Climate
Weather in Denver, month by month
The warmest month in Denver is July, at an average high of 88°F; the coolest is January at 41°F. May brings the most rain.
| Month | High | Low | Rain |
|---|---|---|---|
| January | 41°F | 16°F | 0.7 in |
| February | 45°F | 19°F | 0.9 in |
| March | 50°F | 21°F | 2.1 in |
| April | 61°F | 32°F | 3.1 in |
| May | 68°F | 41°F | 3.9 in |
| June | 81°F | 52°F | 2.4 in |
| July | 88°F | 61°F | 1.9 in |
| August | 86°F | 59°F | 1.7 in |
| Septemberthis month | 77°F | 48°F | 1.8 in |
| October | 64°F | 36°F | 1.8 in |
| November | 50°F | 25°F | 1.1 in |
| December | 43°F | 19°F | 0.8 in |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Denver guide coming soon
We're writing an in-depth guide to Denver — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Denver — your questions answered
- How much is a round trip flight to Denver?
- The cheapest round trip we currently hold is $250 from New York (seen Aug 18 · 28 Sept–4 Oct). We hold fares for 5 months, between $210 and $534 — too few to say which month is cheapest. These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Denver?
- July is the warmest month in Denver, averaging a daily high of 88°F, and 4 of the 12 months average 75°F or warmer. The coolest is January at 41°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Denver in September?
- In September, Denver averages a daily high of 77°F and an overnight low of 48°F; about 1.8 inches of rain fall across the month. Ten-year measured averages — an individual week can differ.
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