Find cheap United Airlines flights to Denver
RDU — DEN
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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Cheapest United Airlines flights from USA to DenverExplore the most affordable United Airlines flight options available from USA to Denver. Find the lowest fares with prices last updated on October 4, 2026.
Explore the most affordable United Airlines flight options available from USA to Denver. Find the lowest fares with prices last updated on October 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:35 pm -
Nonstop2h 29m
Sat 10/2410:05 am -
Nonstop2h 32m
Deal found 9/29![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:58 pm -
Nonstop2h 21m
Sat 11/71:57 pm -
Nonstop1h 59m
Deal found 10/1![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:36 pm -
Nonstop2h 10m
Wed 10/287:40 am -
Nonstop2h 04m
Deal found 10/1![United Airlines logo]()
$177
Best United Airlines flights from USA to DenverDiscover carefully curated United Airlines flight deals from USA to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
Discover carefully curated United Airlines flight deals from USA to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:35 pm -
Nonstop2h 29m
Sat 10/2410:05 am -
Nonstop2h 32m
Deal found 9/29![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2312:10 pm -
1 stop5h 16m
Sat 1/3011:52 am -
1 stop5h 02m
Deal found 10/2![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:00 am -
Nonstop2h 27m
Fri 1/19:15 pm -
Nonstop2h 41m
Deal found 9/30![United Airlines logo]()
$194
Direct United Airlines flights from USA to DenverExplore non-stop United Airlines flight options from USA to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 4, 2026.
Explore non-stop United Airlines flight options from USA to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/271:45 pm -
Nonstop2h 00m
Sat 3/69:45 am -
Nonstop1h 58m
Deal found 10/1![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:35 pm -
Nonstop2h 29m
Sat 10/2410:05 am -
Nonstop2h 32m
Deal found 9/29![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:15 am -
Nonstop2h 16m
Tue 1/51:39 pm -
Nonstop1h 55m
Deal found 9/30![United Airlines logo]()
$167
Last-minute United Airlines flights from USA to DenverDiscover last-minute United Airlines flight deals from USA to Denver. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to Denver. Data last updated October 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:35 pm -
Nonstop2h 29m
Sat 10/2410:05 am -
Nonstop2h 32m
Deal found 9/29![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:58 pm -
Nonstop2h 21m
Sat 11/71:57 pm -
Nonstop1h 59m
Deal found 10/1![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:36 pm -
Nonstop2h 10m
Wed 10/287:40 am -
Nonstop2h 04m
Deal found 10/1![United Airlines logo]()
$177
One-way United Airlines flights to DenverSearch for one-way United Airlines flight options to Denver. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way United Airlines flight options to Denver. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:39 pm -
Nonstop2h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$79
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 am -
Nonstop2h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$79
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:30 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$89
Flights to Denver with United Airlines at a glance
Find detailed information about United Airlines flights from USA to Denver. Explore the options provided by United Airlines to plan your journey from USA to Denver. Data last updated October 4, 2026.
Popular in | July |
|---|---|
Cheapest in | January |
Average price | $373 |
Round-trip from | $157 |
One-way from | $79 |
Good round-trip deal | $268 or less |
Good one-way deal | $162 or less |
Cheapflights Insights
Find cheap United Airlines flights to Denver
US0-DEN
LAX-DEN
MSP-DEN
DFW-DEN
How long is the flight to Denver with United Airlines?
On average, United Airlines flights from the United States to Denver take 3 hours 6 minutes. Flights to Denver from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
United Airlines weekly flight availability to Denver
The most flights to Denver operated by United Airlines are scheduled on a Sunday (645 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (517 on average).
When is the best time to book a flight to Denver with United Airlines?
The best time to book a flight to Denver with United Airlines is 28 days before departure. On average, fares are higher if you book on the same day as departure.
When is the cheapest time to fly to Denver with United Airlines?
Users looking for the cheapest United Airlines fares to Denver should consider flying on Wednesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.
FAQs about flights to Denver with United Airlines
Reviews of United Airlines
See what Cheapflights users have to say about their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Boarding
7.7
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
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