DFW → DEN

Find and Compare the Cheapest Ways to Fly from Dallas to Denver

Compare one-way, round-trip and flight + hotel packages from Dallas to Denver, a nonstop flight of about 1h 45m, with fares from around 140. Nonstop fares seen from Frontier.

Dallas to Denver flight facts

Dallas to Denver is a domestic route covering about 640 miles, arriving at Denver International Airport (DEN) in United States. Peak travel season in Denver runs June–September (sunny, dry mountain air), while November–March is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Frontier.

Key facts for flights from Dallas to Denver
Departing fromDallas/Fort Worth International Airport (DFW)
Arriving atDenver International Airport (DEN)
Distance640 miles (1,031 km)
Nonstop flight timeAbout 1h 45m
Nonstop airlines seenFrontier
Round-trip fares from$140 (estimate)
Cheapest monthsSeptember, January, February
Peak season in DenverJune–September
Cheapest hotel months in DenverNovember–March
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Denver

  • Peak season

    June–September

    Sunny, dry mountain air

  • Shoulder season

    April–May & October

    Mild, changeable weather

  • Off-peak season

    November–March

    Cold, snowy in the Rockies

Estimated round-trip fares by month, Dallas to Denver

Estimated lowest round-trip fare per month
MonthFares from
January$145
February$145
March$150
April$155
May$160
June$200
July$215
August$190
September$140
October$145
November$180
December$210

Flying from Dallas to Denver

Airlines Flying this Route

Nonstop fares we've tracked on this route come from Frontier. Ducoffs.com compares full-service and low-cost airlines flying between Dallas and Denver in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Dallas to Denver

Fares on this route tend to be lowest in September, January, and February. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

Dallas and Denver are about 640 miles apart. A nonstop flight takes roughly 1h 45m; connecting itineraries usually add 2 to 5 hours.

Dallas to Denver flight questions

How can I find the absolute cheapest flight from Dallas to Denver?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Dallas to Denver?

Based on typical seasonal demand, September, January, and February tend to offer the lowest fares on this route, with estimated round-trip prices starting around $140. Live prices change daily, so run a search for your exact dates.

How long is the flight from Dallas to Denver?

Dallas and Denver are about 640 miles apart. A nonstop flight takes roughly 1h 45m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Dallas to Denver?

Recent nonstop fares we've tracked on this route come from Frontier. Schedules change by season, so your live search shows every airline flying your dates.

When are hotels cheapest in Denver?

Hotel rates in Denver are usually lowest in November–March, when demand is quieter, and highest during peak season (June–September). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Denver?

This route arrives at Denver International Airport (DEN). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to Denver?

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.