How long is the flight from Colorado to United States?

Flight times vary depending on what airport in Colorado you fly out of and what airport in United States you fly into. For example, flying from Montrose to Los Angeles takes 2h 21m on average. On the other hand, flying from Hayden to Los Angeles takes 2h 27m 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.

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

264 flights are operational daily from Colorado to United States as of November 2025. The most popular departure time for this route is 11:00AM, with 45% of flights per day taking off at noon.

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

Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Colorado to United States

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

As of November 2025, there are 1,851 flights per week flying from Colorado to United States. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

What airlines fly to United States?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to United States from Colorado according to our data. Frontier is the first choice among our users, with 49% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 11 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Colorado to United States?

Prices for flights from Colorado to United States refresh daily.

How many operators does momondo search for flights from Colorado to United States?

As of November 2025, there are 9 operators available to choose from for flights from Colorado to United States.

How old do you have to be to fly from Colorado to United States?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado 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.

$39 Cheap Flights from Colorado to the United States in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:42 am - 11:53 amDEN-SEA

3h 11mnonstop

8:14 pm - 11:59 pmSEA-DEN

2h 45mnonstop

$74Multiple Airlines

Find Deal

lun., déc. 8 - lun., déc. 15

12:40 pm - 2:46 pmDEN-SEA

3h 06mnonstop

12:48 pm - 4:39 pmSEA-DEN

2h 51mnonstop

$75Multiple Airlines

Find Deal

mar., déc. 9 - sam., déc. 13

9:42 am - 11:53 amDEN-SEA

3h 11mnonstop

5:21 pm - 12:20 amSEA-DEN

5h 59m1 stop

$78Frontier

Find Deal

sam., déc. 13 - lun., déc. 15

10:37 pm - 11:42 pmDEN-LAS

2h 05mnonstop

12:59 am - 3:58 amLAS-DEN

1h 59mnonstop

$78Frontier

Find Deal

mer., déc. 24 - ven., déc. 26

6:00 am - 8:10 amDEN-SEA

3h 10mnonstop

8:14 pm - 11:59 pmSEA-DEN

2h 45mnonstop

$89Alaska Airlines

Find Deal

ven., déc. 12 - dim., déc. 14

12:40 pm - 2:46 pmDEN-SEA

3h 06mnonstop

2:10 pm - 5:52 pmSEA-DEN

2h 42mnonstop

$103Alaska Airlines

Find Deal

mar., déc. 16 - lun., janv. 5

8:05 am - 4:30 pmDEN-SEA

9h 25m1 stop

5:00 am - 8:35 amSEA-DEN

2h 35mnonstop

$118Southwest

Find Deal

mar., déc. 2 - sam., déc. 13

11:55 pm - 5:25 amDEN-MCO

3h 30mnonstop

6:55 am - 11:55 amMCO-DEN

7h 00m1 stop

$147Southwest

Find Deal

mer., janv. 21 - sam., janv. 24

5:35 pm - 11:30 pmDEN-MIA

3h 55mnonstop

12:00 pm - 2:41 pmMIA-DEN

4h 41mnonstop

$157United Airlines

Find Deal

mer., janv. 7 - mer., janv. 14

3:45 pm - 9:26 pmDEN-LGA

3h 41mnonstop

4:55 pm - 7:29 pmLGA-DEN

4h 34mnonstop

$167United Airlines

Find Deal

mar., déc. 9 - mer., déc. 10

Southwest flights from Colorado to United States

Our best Southwest deals on Colorado to United States flight tickets

Southwest

Dec 2

DEN8:05 amDenver Intl

9h 25m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Dec 13

SEA5:00 amSeattle/Tacoma Intl

2h 35m

DEN8:35 amDenver Intl

$118

Find similar

Southwest

Jan 21

DEN11:55 pmDenver Intl

3h 30m

MCO5:25 amOrlando

Jan 24

MCO6:55 amOrlando

7h 00m

1 stop

DEN11:55 amDenver Intl

$147

Find similar

Southwest

Nov 24

DEN9:55 amDenver Intl

7h 00m

1 stop

MIA6:55 pmMiami

Nov 27

MIA7:10 amMiami

9h 10m

2 stops

DEN2:20 pmDenver Intl

$182

Find similar

United Airlines flights from Colorado to United States

Our best United Airlines deals on Colorado to United States flight tickets

United Airlines

Jan 7

DEN5:35 pmDenver Intl

3h 55m

MIA11:30 pmMiami

Jan 14

MIA12:00 pmMiami

4h 41m

DEN2:41 pmDenver Intl

$157

Find similar

United Airlines

Dec 9

DEN3:45 pmDenver Intl

3h 41m

LGA9:26 pmNew York LaGuardia

Dec 10

LGA4:55 pmNew York LaGuardia

4h 34m

DEN7:29 pmDenver Intl

$167

Find similar

United Airlines

Nov 19

DEN12:45 pmDenver Intl

3h 44m

EWR6:29 pmNewark

Nov 24

EWR8:59 pmNewark

4h 38m

DEN11:37 pmDenver Intl

$257

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momondo Fare Finder

Use the filters below to find and compare flights from Colorado to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

lun. 12/8

9:42 am-11:53 am

Nonstop3h 11m

Seattle/Tacoma Intl

lun. 12/15

8:14 pm-11:59 pm

Nonstop2h 45m

$74

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

mar. 12/9

12:40 pm-2:46 pm

Nonstop3h 06m

Seattle/Tacoma Intl

sam. 12/13

12:48 pm-4:39 pm

Nonstop2h 51m

$75

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

sam. 12/13

9:42 am-11:53 am

Nonstop3h 11m

Seattle/Tacoma Intl

lun. 12/15

5:21 pm-12:20 am

1 stop5h 59m

$78

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

mer. 12/24

10:37 pm-11:42 pm

Nonstop2h 05m

Las Vegas Harry Reid Intl

ven. 12/26

12:59 am-3:58 am

Nonstop1h 59m

$78

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

ven. 12/12

6:00 am-8:10 am

Nonstop3h 10m

Seattle/Tacoma Intl

dim. 12/14

8:14 pm-11:59 pm

Nonstop2h 45m

$89

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

mar. 12/16

12:40 pm-2:46 pm

Nonstop3h 06m

Seattle/Tacoma Intl

lun. 1/5

2:10 pm-5:52 pm

Nonstop2h 42m

$103

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

mar. 12/2

8:05 am-4:30 pm

1 stop9h 25m

Seattle/Tacoma Intl

sam. 12/13

5:00 am-8:35 am

Nonstop2h 35m

$118

DenverOrlando

DEN - MCO

DENMCO

Denver Intl

mer. 1/21

11:55 pm-5:25 am

Nonstop3h 30m

Orlando

sam. 1/24

6:55 am-11:55 am

1 stop7h 00m

$147

DenverMiami

DEN - MIA

DENMIA

Denver Intl

mer. 1/7

5:35 pm-11:30 pm

Nonstop3h 55m

Miami

mer. 1/14

12:00 pm-2:41 pm

Nonstop4h 41m

$157

DenverNew York

DEN - LGA

DENLGA

Denver Intl

mar. 12/9

3:45 pm-9:26 pm

Nonstop3h 41m

New York LaGuardia

mer. 12/10

4:55 pm-7:29 pm

Nonstop4h 34m

$167

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 Colorado 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

Other information

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from Colorado 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 Colorado 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 Colorado. The lowest ticket price found for a Thursday departure recently was $339. 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 $511. 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 $280. Try not to purchase tickets at noon because they tend to be around $639. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Colorado to United States flight route?

Fly from Denver Intl to Las Vegas Harry Reid Intl for the best Colorado - 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 Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $278 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Colorado for as low as $216 on momondo.

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

There are 4 cabin classes available to choose from on Colorado 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 Colorado to United States flights?

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

Cheap Colorado to United States flight deals and tips

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

Best Price Found	$47
Fastest flight time	1h 54m
Direct flights	Every day
Airports in United States	3 airports

The best one-way flight to United States from Colorado in the past 72 hours is $47. The best round-trip flight deal from Colorado to United States found on momondo in the last 72 hours is $100.

The fastest flight from Colorado to United States takes 1h 54m

Direct flights go from Colorado to United States every day.

There are 3 airports near United States: 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 Colorado to United States?
Prices for flights from Colorado to United States refresh daily.
How many operators does momondo search for flights from Colorado to United States?
As of November 2025, there are 9 operators available to choose from for flights from Colorado to United States.
How old do you have to be to fly from Colorado to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado 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 Colorado to United States?
momondo data reveals that the most frequently booked plane model on the route from Colorado to United States is Airbus A321neo, representing 18.03% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 16.22%, Boeing 737-800 at 10.59%, and Airbus A320neo at 10.56%.

Best airlines flying from Colorado to United States

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.8 3,111 reviews	Search Frontier flights
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
Breeze Airways	PriceFrom $98	Free Cancellation	Rating 8.1 227 reviews	Search Breeze Airways flights
Allegiant Air	PriceFrom $98	Free Cancellation	Rating 7.2 697 reviews	Search Allegiant Air flights
JetBlue	PriceFrom $129	Free Cancellation	Rating 7.2 2,908 reviews	Search JetBlue flights
United Airlines	PriceFrom $137	Free Cancellation	Rating 7.4 9,011 reviews	Search United Airlines flights
American Airlines	PriceFrom $150	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Sun Country Air	PriceFrom $179	Free Cancellation	Rating 6.9 336 reviews	Search Sun Country Air flights
Alaska Airlines	PriceFrom $230	Free Cancellation	Rating 8.0 11,259 reviews	Search Alaska Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to United States from Colorado with this policy.

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

momondo helps you find the best flight between Colorado and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to United States from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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.

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Popular cities in the United States

Flights to New Yorkfrom $44

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Flights to Orlandofrom $47

Flights to Las Vegasfrom $40

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $50

Flights to Bostonfrom $48

Flights to Atlantafrom $44

Flights to Dallasfrom $53

Flights to Seattlefrom $49

Cheap flights from Colorado to the United States from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to the United States 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Colorado to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Southwest flights from Colorado to United States

Our best Southwest deals on Colorado to United States flight tickets

United Airlines flights from Colorado to United States

Our best United Airlines deals on Colorado to United States flight tickets

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Use the filters below to find and compare flights from Colorado to the United States that are best for you.

See travel insights to the United States from

How to get the cheapest flight ticket from Colorado 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

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 $280. Try not to purchase tickets at noon because they tend to be around $639. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Colorado to United States flight route?

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

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

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

There are 4 cabin classes available to choose from on Colorado 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 Colorado to United States flights?

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

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

Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Colorado to United States

What airlines fly to United States?

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

264 flights are operational daily from Colorado to United States as of November 2025. The most popular departure time for this route is 11:00AM, with 45% of flights per day taking off at noon.

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

As of November 2025, there are 1,851 flights per week flying from Colorado to United States. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

How long is the flight from Colorado to United States?

Cheap Colorado to United States flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in United States

When did momondo last update prices for flights from Colorado to United States?

How many operators does momondo search for flights from Colorado to United States?

How old do you have to be to fly from Colorado to United States?

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

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

Best airlines flying from Colorado to United States

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

Why use momondo?

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

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

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

I’m not ready to book a flight from Colorado 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