What is the cheapest airline that flies from Denver Intl to United States?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to United States

What is the most punctual flight time for Denver to the United States flights?

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.

How many flights depart from Denver to United States on average per week?

As of February 2026, there are 1,772 flights per week flying from Denver to United States. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

Which airline has the best punctuality record on Denver to the United States flights?

According to our data, Alpine Air Express have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

How often are flights from Denver to the United States delayed?

Historically, on average around 19% of flights between Denver and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

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

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

What airlines fly to United States?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to United States from Denver according to our data. Frontier is the first choice among our users, with 50% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 9 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

How many flights depart from Denver to United States on average per day?

The number of flights available between Denver and United States is 253 per day as of February 2026. The most frequent departure time is 1:00PM, with 40% of daily flights leaving at noon.

When did momondo last update prices for flights from Denver Intl Airport to United States?

Prices for flights from Denver Intl Airport to United States were last updated today.

How many operators does momondo search for flights from Denver Intl Airport to United States?

As of February 2026, there are 9 operators available to choose from for flights from Denver Intl Airport to United States.

How old do you have to be to fly from Denver Intl Airport to United States?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$33 Cheap Flights from Denver to the United States in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 pm - 12:06 am

DEN

DFW

2h 06mnonstop

10:34 pm - 11:55 pm

DFW

DEN

2h 21mnonstop

$70Frontier

sáb., mar. 28 - lun., mar. 30

9:10 am - 11:19 am

DEN

SEA

3h 09mnonstop

12:24 pm - 4:15 pm

SEA

DEN

2h 51mnonstop

$71Frontier

vie., mar. 6 - lun., mar. 16

9:52 am - 12:01 pm

DEN

SEA

3h 09mnonstop

12:24 pm - 4:15 pm

SEA

DEN

2h 51mnonstop

$72Frontier

jue., mar. 5 - dom., mar. 8

9:06 pm - 12:12 am

DEN

DFW

2h 06mnonstop

7:00 am - 8:19 am

DFW

DEN

2h 19mnonstop

$72Frontier

jue., feb. 26 - dom., mar. 1

6:30 am - 8:42 am

DEN

PHX

2h 12mnonstop

7:06 pm - 9:00 pm

PHX

DEN

1h 54mnonstop

$73Frontier

mar., feb. 17 - sáb., feb. 21

9:31 pm - 11:18 pm

DEN

LAX

2h 47mnonstop

6:20 am - 9:49 am

LAX

DEN

2h 29mnonstop

$73Frontier

mié., feb. 25 - dom., mar. 1

4:15 pm - 7:22 pm

DEN

DFW

2h 07mnonstop

5:45 am - 7:02 am

DFW

DEN

2h 17mnonstop

$73Frontier

jue., mar. 5 - dom., mar. 8

9:25 am - 11:37 am

DEN

SEA

3h 12mnonstop

6:57 pm - 10:49 pm

SEA

DEN

2h 52mnonstop

$74Frontier

sáb., abr. 4 - mar., abr. 14

2:15 pm - 11:06 pm

DEN

LGA

6h 51m

1 stop

8:59 pm - 7:02 am

LGA

DEN

12h 03m

1 stop

$145Multiple Airlines

mié., feb. 25 - mar., mar. 3

10:02 am - 3:45 pm

DEN

LGA

3h 43mnonstop

3:25 pm - 6:05 pm

LGA

DEN

4h 40mnonstop

$157United Airlines

dom., feb. 15 - mar., feb. 24

Frontier flights from Denver to United States

Our best Frontier deals on Denver to United States flight tickets

Frontier

Mar 28

DEN9:00 pmDenver Intl

2h 06m

DFW12:06 amDallas/Fort Worth

Mar 30

DFW10:34 pmDallas/Fort Worth

2h 21m

DEN11:55 pmDenver Intl

$70

Frontier

Feb 26

DEN9:06 pmDenver Intl

2h 06m

DFW12:12 amDallas/Fort Worth

Mar 1

DFW7:00 amDallas/Fort Worth

2h 19m

DEN8:19 amDenver Intl

$72

Frontier

Feb 25

DEN9:31 pmDenver Intl

2h 47m

LAX11:18 pmLos Angeles

Mar 1

LAX6:20 amLos Angeles

2h 29m

DEN9:49 amDenver Intl

$73

American Airlines flights from Denver to United States

Our best American Airlines deals on Denver to United States flight tickets

American Airlines

Feb 18

DEN9:30 amDenver Intl

7h 59m

1 stop

LGA7:29 pmNew York LaGuardia

Feb 25

LGA3:29 pmNew York LaGuardia

8h 13m

1 stop

DEN9:42 pmDenver Intl

$159

American Airlines

Feb 15

DEN9:10 amDenver Intl

6h 49m

1 stop

LGA5:59 pmNew York LaGuardia

Feb 18

LGA4:30 pmNew York LaGuardia

8h 07m

1 stop

DEN10:37 pmDenver Intl

$178

American Airlines

Feb 18

DEN8:00 amDenver Intl

8h 00m

1 stop

LGA6:00 pmNew York LaGuardia

Feb 21

LGA12:32 pmNew York LaGuardia

8h 26m

1 stop

DEN6:58 pmDenver Intl

$198

Fly from

Fly to

Route

Depart

Return

Price

DenverDallas

DEN - DFW

DENDFW

Denver Intl

sáb. 3/28

9:00 pm-12:06 am

Nonstop2h 06m

Dallas/Fort Worth

lun. 3/30

10:34 pm-11:55 pm

Nonstop2h 21m

$70

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

vie. 3/6

9:10 am-11:19 am

Nonstop3h 09m

Seattle/Tacoma Intl

lun. 3/16

12:24 pm-4:15 pm

Nonstop2h 51m

$71

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

jue. 3/5

9:52 am-12:01 pm

Nonstop3h 09m

Seattle/Tacoma Intl

dom. 3/8

12:24 pm-4:15 pm

Nonstop2h 51m

$72

DenverDallas

DEN - DFW

DENDFW

Denver Intl

jue. 2/26

9:06 pm-12:12 am

Nonstop2h 06m

Dallas/Fort Worth

dom. 3/1

7:00 am-8:19 am

Nonstop2h 19m

$72

DenverPhoenix

DEN - PHX

DENPHX

Denver Intl

mar. 2/17

6:30 am-8:42 am

Nonstop2h 12m

Phoenix Sky Harbor Intl

sáb. 2/21

7:06 pm-9:00 pm

Nonstop1h 54m

$73

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

mié. 2/25

9:31 pm-11:18 pm

Nonstop2h 47m

Los Angeles

dom. 3/1

6:20 am-9:49 am

Nonstop2h 29m

$73

DenverDallas

DEN - DFW

DENDFW

Denver Intl

jue. 3/5

4:15 pm-7:22 pm

Nonstop2h 07m

Dallas/Fort Worth

dom. 3/8

5:45 am-7:02 am

Nonstop2h 17m

$73

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

sáb. 4/4

9:25 am-11:37 am

Nonstop3h 12m

Seattle/Tacoma Intl

mar. 4/14

6:57 pm-10:49 pm

Nonstop2h 52m

$74

DenverNew York

DEN - LGA

DENLGA

Denver Intl

mié. 2/25

2:15 pm-11:06 pm

1 stop6h 51m

New York LaGuardia

mar. 3/3

8:59 pm-7:02 am

1 stop12h 03m

$145

DenverNew York

DEN - LGA

DENLGA

Denver Intl

dom. 2/15

10:02 am-3:45 pm

Nonstop3h 43m

New York LaGuardia

mar. 2/24

3:25 pm-6:05 pm

Nonstop4h 40m

$157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from Denver to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $247. If you aren’t able to travel during the month of January, then book flights to United States from Denver during September instead. Flights to United States in September, while not as cheap as those in January, still average around $247.

What is the cheapest day to depart on your flight to United States?

According to our data, Thursday is the cheapest day to fly to United States from Denver. The lowest ticket price found for a Thursday departure recently was $330. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $493. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $266. Try not to purchase tickets at noon because they tend to be around $559. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Denver Intl to United States flight route?

Fly from Denver Intl to Las Vegas Harry Reid Intl for the best Denver Intl - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $273 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Denver for as low as $219 on momondo.

What cabin class options are available on Denver Intl to United States flights?

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

Can stopping save me money on Denver to United States flights?

No. A direct flight is the cheapest option for a flight between Denver to United States.

Cheap Denver to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to United States

Best Price Found	$58
Fastest flight time	0h 50m
Direct flights	Every day
Airports in United States	4,296 airports

The best one-way flight to United States from Denver in the past 72 hours is $58. The best round-trip flight deal from Denver to United States found on momondo in the last 72 hours is $62.

The fastest flight from Denver to United States takes 0h 50m

Direct flights go from Denver to United States every day.

There are 4,296 airports in United States. From Denver there are direct flights to Phoenix Sky Harbor Intl (PHX), Dallas/Fort Worth (DFW), Las Vegas Harry Reid Intl (LAS).

Search flight deals

When did momondo last update prices for flights from Denver Intl Airport to United States?
Prices for flights from Denver Intl Airport to United States were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to United States?
As of February 2026, there are 9 operators available to choose from for flights from Denver Intl Airport to United States.
How old do you have to be to fly from Denver Intl Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Denver to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Denver to United States is Airbus A321neo (18.78% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (15.64%), Airbus A320neo (11.05%), and Boeing 737-800 Passenger/BBJ2 (winglets) (10.16%).

Best airlines flying from Denver to United States

Compare and see reviews for airlines that fly from Denver to United States with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $58	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
JetBlue	PriceFrom $113	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
United Airlines	PriceFrom $123	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights
Southwest	PriceFrom $137	Free Cancellation	Rating 8.0 4,272 reviews	Search Southwest flights
American Airlines	PriceFrom $150	Free Cancellation	Rating 7.2 11,217 reviews	Search American Airlines flights
Sun Country Air	PriceFrom $168	Free Cancellation	Rating 6.9 342 reviews	Search Sun Country Air flights
Alaska Airlines	PriceFrom $185	Free Cancellation	Rating 8.0 11,833 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to United States with flexible booking policies on momondo?

Flights from Denver to United States with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Denver to United States?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to United States.

I’m not ready to book a flight from Denver to United States right now. Can momondo alert me if prices change?

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Denver and alert you when they change.

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Cheap flights from Denver to the United States from $33

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to the United States departing on 4/11. 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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How to get the cheapest flight ticket from Denver to United States

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

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

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $266. Try not to purchase tickets at noon because they tend to be around $559. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Denver Intl to United States flight route?

Fly from Denver Intl to Las Vegas Harry Reid Intl for the best Denver Intl - United States flight prices

How far in advance should I book a flight to United States?

What cabin class options are available on Denver Intl to United States flights?

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

Can stopping save me money on Denver to United States flights?

No. A direct flight is the cheapest option for a flight between Denver to United States.

What is the cheapest airline that flies from Denver Intl to United States?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to United States

What airlines fly to United States?

How often are flights from Denver to the United States delayed?

Historically, on average around 19% of flights between Denver and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What is the most punctual flight time for Denver to the United States flights?

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.

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

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

Which airline has the best punctuality record on Denver to the United States flights?

According to our data, Alpine Air Express have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

How many flights depart from Denver to United States on average per day?

The number of flights available between Denver and United States is 253 per day as of February 2026. The most frequent departure time is 1:00PM, with 40% of daily flights leaving at noon.

How many flights depart from Denver to United States on average per week?

As of February 2026, there are 1,772 flights per week flying from Denver to United States. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

Cheap Denver to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

When did momondo last update prices for flights from Denver Intl Airport to United States?

How many operators does momondo search for flights from Denver Intl Airport to United States?

How old do you have to be to fly from Denver Intl Airport to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from Denver to United States?

Best airlines flying from Denver to United States

Compare and see reviews for airlines that fly from Denver to United States with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Denver to United States?

Can I find flights from Denver to United States with flexible booking policies on momondo?

How can momondo help me find flights from Denver to United States?

I’m not ready to book a flight from Denver to United States right now. Can momondo alert me if prices change?

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo