Question 1

Which layover airport has the shortest travel time from Washington, D.C. to Denver?

Accepted Answer

Flights connecting via Kansas City (MCI) have the shortest average one-way travel time: 5h 18m.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 3

How long does it take to fly to Denver?

Accepted Answer

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Denver you fly into. For example, flying from Baltimore to Denver takes 3h 48m on average. On the other hand, flying from Washington, D.C. to Denver takes 3h 52m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Question 4

What is the cheapest day to depart on your flight to Denver?

Accepted Answer

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $307. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $369.

Question 5

Which airport is the most popular layover for flights between Washington, D.C. and Denver?

Accepted Answer

Atlanta (ATL) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Question 6

What is the most punctual flight time for Washington, D.C. to Denver flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Question 7

What airlines fly to Denver?

Accepted Answer

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Washington, D.C. according to our data. Frontier is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Question 8

How often are flights from Washington, D.C. to Denver delayed?

Accepted Answer

Historically, on average around 15% of flights between Washington, D.C. and Denver have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

Question 9

What is the cheapest month to fly to Denver?

Accepted Answer

The cheapest month to fly to Denver from Washington, D.C. is in February. Flight prices, which tend to average around $237, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until August to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $242.

Question 10

How many flights depart from Washington, D.C. to Denver on average per day?

Accepted Answer

As of January 2026, there are 30 flights per day flying from Washington, D.C. to Denver. The most common time of day flights depart is 4:00PM, with 57% of flights taking off in the afternoon.

Question 11

What is the cheapest Washington, D.C. to Denver Intl flight route?

Accepted Answer

Fly from Washington, D.C. Reagan-National to Denver Intl for the best Washington, D.C. - Denver Intl flight prices

Question 12

How many flights depart from Washington, D.C. to Denver on average per week?

Accepted Answer

As of January 2026, 210 flights take off from Washington, D.C. and land in Denver each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

Question 13

Which layover airport offers the lowest fares from Washington, D.C. to Denver?

Accepted Answer

Flights via Atlanta (ATL) offer the lowest average round-trip price of $200.

Question 14

What is the cheapest airline that flies from Washington, D.C. to Denver Intl?

Accepted Answer

Frontier, Southwest, and United Airlines are the most popular carriers operating from Washington, D.C. to Denver Intl

Question 15

Can stopping save me money on Washington, D.C. to Denver flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Denver.

Question 16

What is the cheapest time of day to depart on your flight to Denver?

Accepted Answer

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $268. Flights in the evening are often more expensive with an average ticket price of $372.

Question 17

How have Washington, D.C. to Denver flight prices changed over time?

Accepted Answer

As of January 2026, prices for Washington, D.C. to Denver flights are approximately 13% more expensive when compared to flights at the same time last year.

Question 18

Which airline has the best punctuality record on Washington, D.C. to Denver flights?

Accepted Answer

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Question 19

Which layover airport has the shortest connection time from Washington, D.C. to Denver?

Accepted Answer

Chicago (ORD) has the shortest average layover time for this route: 0h 46m.

Question 20

What cabin class options are available on Washington, D.C. to Denver Intl flights?

Accepted Answer

There are 4 cabin classes available to choose from on Washington, D.C. to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 21

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

Accepted Answer

You are more likely to see cheaper flights to Denver from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Washington, D.C. for as low as $276 on momondo.

Question 22

When did momondo last update prices for flights from Washington, D.C. to Denver Intl Airport?

Accepted Answer

Prices for flights from Washington, D.C. to Denver Intl Airport refresh daily.

Question 23

How many operators does momondo search for flights from Washington, D.C. to Denver Intl Airport?

Accepted Answer

As of January 2026, there are 6 operators available to choose from for flights from Washington, D.C. to Denver Intl Airport.

Question 24

How old do you have to be to fly from Washington, D.C. to Denver Intl Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Denver Intl Airport.

Question 25

What documentation or ID do you need to fly to Denver Intl Airport?

Accepted Answer

The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$110
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Denver	1 airport

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $82	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,120 reviews	Search Delta flights
American Airlines	PriceFrom $166	Free Cancellation	Rating 7.2 11,199 reviews	Search American Airlines flights
Southwest	PriceFrom $177	Free Cancellation	Rating 8.0 4,268 reviews	Search Southwest flights
United Airlines	PriceFrom $188	Free Cancellation	Rating 7.4 9,205 reviews	Search United Airlines flights
JetBlue	PriceFrom $325	Free Cancellation	Rating 7.2 2,889 reviews	Search JetBlue flights

Cheap flights from Washington, D.C. to Denver from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Denver departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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