$34+ Cheap flights from the United States to Denver (DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from USA to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from USA to Denver
Cheapest flights from USA to DenverExplore the most affordable flight options available from USA to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
Explore the most affordable flight options available from USA to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
This Trip.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Super.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Super.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from USA to Denver
Keep the following information in mind while searching for USA to Denver flight deals. Data was last updated January 21, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $60 (Trip.com) |
One-way from | $34 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $267 |
Good round-trip deal | $119 or less |
Good one-way deal | $78 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from the United States to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Tue 2/17
5:50 am-7:25 am
Nonstop2h 35m
Denver Intl
Tue 2/24
6:25 pm-9:55 pm
Nonstop2h 30m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Sat 2/28
6:15 am-9:40 am
Nonstop2h 25m
Denver Intl
Tue 3/3
8:20 pm-10:00 pm
Nonstop2h 40m
New YorkDenver
JFK - DEN
JFKDEN
New York John F Kennedy Intl
Thu 2/5
8:04 am-10:45 am
Nonstop4h 41m
Denver Intl
Mon 2/9
11:40 am-5:26 pm
Nonstop3h 46m
Washington, D.C.Denver
IAD - DEN
IADDEN
Washington, D.C. Dulles Intl
Tue 3/3
5:30 pm-7:35 pm
Nonstop4h 05m
Denver Intl
Tue 3/17
6:35 pm-11:40 pm
Nonstop3h 05m
HoustonDenver
HOU - DEN
HOUDEN
Houston Hobby
Wed 3/4
9:00 am-10:40 am
Nonstop2h 40m
Denver Intl
Sat 3/7
8:50 pm-12:15 am
Nonstop2h 25m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 2/18
7:00 am-2:10 pm
1 stop6h 10m
Denver Intl
Wed 2/25
1:00 pm-6:35 pm
2 stops6h 35m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 2/25
11:40 am-5:30 pm
1 stop4h 50m
Denver Intl
Wed 3/4
1:00 pm-6:35 pm
2 stops6h 35m
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
Wed 2/11
7:00 am-8:49 am
Nonstop2h 49m
Denver Intl
Sat 2/14
8:30 pm-11:59 pm
Nonstop2h 29m
New YorkDenver
LGA - DEN
LGADEN
New York LaGuardia
Mon 2/9
6:00 pm-8:44 pm
Nonstop4h 44m
Denver Intl
Tue 2/10
11:25 am-5:17 pm
Nonstop3h 52m
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 4/15
2:36 pm-6:01 pm
Nonstop2h 25m
Denver Intl
Sat 4/18
7:10 am-8:46 am
Nonstop2h 36m
Best time to book a flight from USA to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from USA with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United States to Denver
What is the cheapest month to book a flight from USA to Denver?
Currently, March is the cheapest month in which you can book a flight from USA to Denver (average of $36). Flying from USA to Denver in July is currently the most expensive (average of $96). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from US to DEN?
Find hourly flight availability from USA to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from USA to Denver by exploring options for tickets in the evening.
What is the cheapest day to fly from USA to Denver?
Use this chart to determine the cheapest time to fly round-trip from USA to Denver. Price data was last updated on January 17, 2026.
Travelers seeking maximum savings on their USA to Denver flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from USA to Denver
Explore weekly flight availability from USA to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2026.
The most flights from US0 to DEN are scheduled on a Monday (86 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (63 on average).
How often are flights from the United States to Denver delayed?
About 18% of weekly flights between United States and Denver have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for the United States to Denver flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United States to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for theUnited States to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated January 21, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from the United States to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Crew
Overall
Comfort
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Crew
Overall
Comfort
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Crew
Overall
Comfort
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Crew
Overall
Comfort
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Crew
Overall
Comfort
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Food
Crew
Overall
Comfort
Boarding
Entertainment
Reviews
Thomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from USA to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for USA to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from USA to Denver
Discover the top 9 airlines that operate flights from USA to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$193 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$100 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$111 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$286 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$148 | Average$320 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$152 | Average$318 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$255 | Average$331 | FlexibilityNo cancel fee | On-time75% |