LAS - DEN

$70 Find Cheap Flights from Las Vegas to Denver - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Las Vegas to Denver departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$122
Typical prices: $82-$213
Frontier
Mon 10/5Wed 10/7
LAS - DEN • Non-stop
Cheapest non-stop
$122
Typical prices: $130-$240
Frontier
Tue 7/21Sat 8/1
LAS - DEN • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier Economy Bundle adds a carry-on and seat choice; Premium Bundle adds legroom.
United Economy Plus offers extra legroom, while Southwest adds free snacks.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $122 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
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Nonstop flights
You can fly direct with Frontier, Southwest and United Airlines. Average duration is 1h 57m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $199 (round-trip)
Shortest trip • 4h 54m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
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+1
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We hope you love your trip to Denver!
Flight Deals
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Flight Deals

Cheap Flights from Las Vegas to Denver (LAS-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Las Vegas to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Las Vegas to Denver

Mon, Oct 5 - Wed, Oct 7
Frontier Logo
12:59 am - 3:52 am
LAS
-
DEN
1h 53mnonstop
Frontier Logo
10:30 pm - 11:31 pm
DEN
-
LAS
2h 01mnonstop
$122Frontier
Sun, Aug 9 - Tue, Aug 18
Frontier Logo
12:59 am - 3:50 am
LAS
-
DEN
1h 51mnonstop
Frontier Logo
4:25 pm - 5:29 pm
DEN
-
LAS
2h 04mnonstop
$123Frontier
Mon, Oct 26 - Wed, Nov 4
Frontier Logo
12:59 am - 3:52 am
LAS
-
DEN
1h 53mnonstop
Frontier Logo
7:08 pm - 8:10 pm
DEN
-
LAS
2h 02mnonstop
$128Frontier
Mon, Oct 26 - Thu, Oct 29
Frontier Logo
6:00 am - 9:04 am
LAS
-
DEN
2h 04mnonstop
Frontier Logo
6:30 am - 11:58 am
DEN
-
LAS
6h 28m
1 stop
$129Frontier
Mon, Aug 3 - Thu, Aug 6
Frontier Logo
12:59 am - 3:48 am
LAS
-
DEN
1h 49mnonstop
Frontier Logo
10:29 pm - 11:27 pm
DEN
-
LAS
1h 58mnonstop
$130Frontier
Thu, Oct 29 - Wed, Nov 4
Frontier Logo
9:15 pm - 12:15 am
LAS
-
DEN
2h 00mnonstop
Frontier Logo
7:08 pm - 8:10 pm
DEN
-
LAS
2h 02mnonstop
$132Frontier
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
12:59 am - 3:52 am
LAS
-
DEN
1h 53mnonstop
Frontier Logo
8:30 am - 9:30 am
DEN
-
LAS
2h 00mnonstop
$134Frontier
Thu, Oct 29 - Sat, Oct 31
Frontier Logo
10:35 am - 1:49 pm
LAS
-
DEN
2h 14mnonstop
Frontier Logo
10:30 pm - 11:31 pm
DEN
-
LAS
2h 01mnonstop
$136Frontier
Sun, Oct 25 - Wed, Nov 4
Frontier Logo
12:59 am - 3:52 am
LAS
-
DEN
1h 53mnonstop
Frontier Logo
7:08 pm - 8:10 pm
DEN
-
LAS
2h 02mnonstop
$137Frontier
Sat, Aug 22 - Tue, Aug 25
Frontier Logo
11:26 am - 7:46 pm
LAS
-
DEN
7h 20m
1 stop
Frontier Logo
10:00 am - 11:00 am
DEN
-
LAS
2h 00mnonstop
$138Frontier
Booking Insights

KAYAK's insights & trends for Las Vegas to Denver flights

Get data-powered insights and trends into flights from Las Vegas to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Las Vegas to Denver?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Las Vegas to Denver departing in October.

What’s the cheapest day of the week to fly from Las Vegas to Denver?

The average price of all round-trip flights from Las Vegas to Denver clicked on KAYAK for each day over the last 12 months.

For Las Vegas to Denver, Friday is the cheapest day to fly on average and Tuesday is the most expensive. Flying from Denver back to Las Vegas, the best deals are generally found on Tuesday, with Friday being the most expensive.

What is the cheapest month to fly from Las Vegas to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Las Vegas to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Las Vegas to Denver is October, where tickets cost $123 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is $221 and $189 respectively.

Can I save money by flying with a layover from Las Vegas to Denver?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $155 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Las Vegas to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Las Vegas to Denver, you should book around 2 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Expert advice

Expert advice for your flight from Las Vegas to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Harriet Baskas

Harriet Baskas

Expert on DEN and LAS

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonApril
Cheapest flight$70
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly and prices are also 26% lower on average.
Flight from Las Vegas to Denver

When to book flights from Las Vegas to Denver

Are your dates flexible? Find out the best times to travel from Las Vegas to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Las Vegas to Denver

  • Does LAS airport offer parking facilities?

    All travelers flying the route from Harry Reid International Airport (LAS) to Denver International Airport (DEN) can enjoy everything from short-term parking and long-term parking to valet parking at LAS airport. These parking spots are conveniently within walking distance of the terminals. Short-term parking is just outside Terminal 1 on Level 2M, long-term parking is adjacent to Terminal 1 on Levels 6, 5,4, 3, and 1M, whereas valet parking is on level 2. Note that the airport accepts parking payments with credit cards only.

  • Are there hotels at or near Denver International Airport?

    You can relax at the Westin Denver Airport after your flight. This hotel is connected to the Jeppesen Terminal of the airport and features modern facilities such as an indoor pool, comfy suites, and a fitness center. Guests are also connected to some of downtown Denver’s attractions through the commuter rail line. Another top choice is AmericInn by Wyndham Denver Airport, with modern suites and free airport shuttle services.

  • Is Harry Reid International Airport (LAS) family-friendly?

    LAS is a family-friendly airport with amenities such as nursing pods. Your children will enjoy the children’s play area on the second level of gate D, which has a jet engine and a mini control tower. Kids can also watch planes arrive and take off from the play area.

  • What is the best way to get to downtown Denver from DEN?

    Getting to downtown Denver from Denver International Airport is easy. Travelers can use either public transportation, ride-share services, or taxi services. The A-Line commuter train offered by Regional Transportation District is the quickest option. Also, the airport runs a bus line, SkyRide, which operates until midnight. Passengers can also access taxi and ride-share services from Level 5 of Jeppesen Terminal.

  • What is the cheapest flight from Las Vegas to Denver?

    In the last 5 days, the lowest price for a flight from Las Vegas to Denver was $70 for a one-way ticket and $122 for a round-trip.

  • Do I need a passport to fly between Las Vegas and Denver?

    No, a passport isn't needed to fly from Las Vegas to Denver. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Las Vegas to Denver?

    On your way to Denver, you’ll fly out from Las Vegas Harry Reid Intl. You’ll be landing at Denver Intl.

  • Which airlines offer Wi-Fi service onboard planes from Las Vegas to Denver?

    Delta, American Airlines, Alaska Airlines, JetBlue, and Air Canada offer inflight Wi-Fi service on the Las Vegas to Denver flight route.

  • Which aircraft models fly most regularly from Las Vegas to Denver?

    The Airbus A321neo is the aircraft model that flies most regularly on the Las Vegas to Denver flight route.

  • Which airline alliances offer flights from Las Vegas to Denver?

    Star Alliance is the only airline alliance operating flights between Las Vegas and Denver.

  • On which days can I fly direct from Las Vegas to Denver?

    There are nonstop flights from Las Vegas to Denver on a daily basis.

  • Which is the best airline for flights from Las Vegas to Denver, Southwest or United Airlines?

    The two airlines most popular with KAYAK users for flights from Las Vegas to Denver are Southwest and United Airlines. With an average price for the route of $268 and an overall rating of 7.9, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $244 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Las Vegas to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Las Vegas to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Las Vegas to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Las Vegas is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Las Vegas to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Las Vegas with another airline. Booking your flights between Las Vegas and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Las Vegas to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Las Vegas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Las Vegas to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $181 or less one-way and $265 or less round-trip.
  • Harry Reid International Airport (LAS) is a pet-friendly airport with pet-friendly facilities. LAS has seven animal relief areas located pre-security and post-security. These spots are located in Terminal 3 and at the entrance of Terminal 1. However, note that your furry companion should remain in its carrier within the airport unless when passing security or when relieving themselves.
  • Travelers through Denver International Airport (DEN) are in for an extraordinary experience. DEN is known for murals, art, and sculptures displayed in various locations throughout the airport. The airport features rotating exhibits at the Jeppesen Terminal in Ansbacher Hall on Level 6, while the murals are on Level 5.
  • Airlines such as Delta, United Airlines, Frontier, and Spirit Airlines offer daily direct flights from LAS to DEN. You can fly in economy class on this route. There are also one-stop flights with stops at Dallas/Fort Worth International Airport (DFW).
  • Several duty-free shops at the Las Vegas airport offer a wide range of tax-free merchandise. You can check out these shops at Terminal 2 of this airport as you await your flight and buy yourself a souvenir to take back home.
  • The average amount of carbon per person released on the trip to DEN from LAS is 649 kg. Nonetheless, Frontier and United Airlines offer eco-friendly flights, with the former releasing 50% less carbon and the latter releasing 45% less carbon.

Prefer to fly direct from Las Vegas to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Las Vegas Harry Reid Intl to Denver Intl.
Find which airlines fly direct from Las Vegas Harry Reid Intl Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Las Vegas Harry Reid Intl to Denver Intl

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Direct returns

Denver Intl to Las Vegas Harry Reid Intl

Monday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Tuesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Wednesday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Thursday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Friday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Saturday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

Sunday

Frontier,Southwest,United Airlines

Frontier,Southwest, +1 more

See more direct flights

Reviews of the top 3 airlines serving from Las Vegas to Denver

 
See real verified KAYAK customer reviews for airlines flying from Las Vegas to Denver. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Las Vegas to Denver? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4250 reviews
7.0Food
8.0Comfort
7.5Entertainment
8.1Boarding
8.6Crew
Airline reviews

Flight was delayed by 2 hours, meaning that a flight to Dwnver which should have arrived at 11pm came into the airport at 1 am. Made for a very long day.

8.0 ExcellentRobyn, Jul 2026
HOU - DEN
Read more Southwest reviews

Flight was delayed by 2 hours, meaning that a flight to Dwnver which should have arrived at 11pm came into the airport at 1 am. Made for a very long day.

Crew was rude, flight was late, wifi didn't work, no food, basically nothing about this flight was good.

Airline is not very senior friendly. Flights are late, forcing us to run to the connecting flight. Food is awful. Wish they would go back to pretzels and peanuts. During flight, pressurization isn’t quite right and all of our ears get plugged. Everything is nickel and dime, charging for boarding, seat selection and legroom. While a screen at the desk in the gate area says check your roll on bag now for free due to space limitation, the employee at the desk will not check the bag without a $100 fee. Insane.

We waited in the airplane for over 45 min for a southwest employee to make the flight. This cause over half the plane to miss their connecting flight in Denver. When we confronted the desk upon arrival, they told us the only flight they had was the next day leaving at 8:50 pm!!! Or they offered to get us to Burbank or LA, but after that we were on our own to get back to Santa Barbara. I paid for a flight from sba to bna bna to sba. My re entry into mom mode has been 💯 rough because of southwest mistake with my flight. And now I’m leaving to Reno tomorrow for a vballl tournament and just discovered that my leg in Vegas has me and my 3 kids on a stand by flight even though I had booked these ticket last year November!! Do better southwest!

I appreciate the staff who allowed me to board though I arrived a little late! Regarding the assigned seating, I had booked my flight before this change and wasn't aware of the change at the time, and so I didn't select a seat at booking as I didn't realize it was relevant. Better communication about the change would have been helpful for preparing.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Near 4 hour flight with only 1 service. Had to use call button to request water. Internet and power not working until into flight. Internet would stop working during flight.

The Southwest employees (all two of them) were very nice and cheerful despite the fact the line to self-check a bag (simply drop it off) was hundreds of people long. Thank God I arrived early to the airport because I stood in this line for at least an hour. Once on the flight that had been delayed by an hour, we had no Wi-Fi and thus no entertainment. Finally, I hope the investor strong arm tactics against Southwest pay off in a short-term windfall to your C-Suite because the rest of you are screwed. I have been a faithful Southwest customer for 15 years due to everything you just got rid of. I'm flying to Idaho and Washington in October, both places I used to simply book with Southwest without a second thought now with Frontier (Washington) and United (Idaho) because they offer everything the "new" Southwest does but cheaper and at better times, destinations, etc. This really makes me sad...

Flights delayed by 4-6 hours. Boarding was a mess and unclear. Bags were not at arrival airport and had never even been put on the plane. No idea when I’ll get them. Don’t fly into Denver!

A bit expensive for the overall service; but the flight departed on time and arrived early.

Checking bag at terminal was horrible. No agents to check us in and only 1 kiosk working. Boarding went ok. Crew onboard was very scattered rained. Missed our row while serving and then didn’t see them hardly again.

The entertainment is a bit limited, it would be better if they added some games to play besides the movies and tv shows. But the seats are comfortable and the crew is polite

Food was great. Staff was phenomenal. Seats were a bit hard and could use a lot more entertainment options as far as movies to choose from. WiFi was good. Overall great trip.

Read the fine print. This was my flight home. I booked my flight for the quickest way home. Had a carry-on and a personal item. Same as my outbound flight. Apparently I needed to pre-pay extra for my carry-on. When I checked in, I was told that I had to check it. I said I’ll pay for it, and was told that this wasn’t an option anymore. They said I still had to pay $50 to check my carry-on. I told them I’ll pay whatever to just carry it in as intended. I was not allowed, so eventually I paid $50 to check my carry-on under a plane that was half full, with overhead compartments that were even less full. My white carry-on suitcase was practically destroyed getting from Idaho falls to Denver to Orange County. The low price air fair was a bait and switch. Got me to the gate, made me pay extra, then didn’t even allow me to pay for a carry on. Not to mention that I paid the $8 for WiFi that didn’t work. All to get my suitcase destroyed. I don’t think I’m going to even keep my Untied mileage plus membership and card. Apparently, membership does not have its privileges for this one.

Flight was 3 1/2 hour delayed with no credit or meal vouchers

Too many canceled flights and kept my wife and I separated on alternate flights. We did not fly out of Denver. We paid a lot of money for the seats we wanted and now that money is gone and we did not sit together. That being said, the many agents were very friendly and did everything possible to help us.

Departure time kept changing. Finally took off 2.5 hours later than originally scheduled. Many passengers had to make connection changes or scramble for alternate flights. I was very disappointed

Convenience is what I liked… Very little needs to be improved as it’s a domestic flight that connects to an international long haul.

Food options (no, really, just snacks) are severely lacking. In first class, we had the option of a small bag of popcorn, a very small cookie, and maybe a couple of other wrapped items. Seems like there are a lot better options that could be made available especially on a 2+ hour flight.

Major delay on the inbound plane meant that I missed my connection.

It was awful ....my first time flying on it and I will NEVER fly it again ....everything about it was terrible .....most especially the flight attendants

There weren't enough employees at check in took awhile to get bags checked. There wasn't a wheel chair for me, I was sent to someone who turns out to work for a different airline, if My flight hadn't been delayed I probably would have missed my flight as it was, by the time I arrived at my gate, they started boarding in about 15 minutes. I don't know who took me to my gate, definitely was not the normal people who take passengers to the gate. I'm guessing she may have been in a management position. I wish I knew her name, she went beyond to help me. With that said everyone was kind, and were doing the best they could. So, I choose to say it was an Adventure, stressful start, but good. In the end went well. The situation was not only difficult for passengers but the employee's.

Frontier scheduled a 40 minute connection in DEN. What they failed to mention was that they “close the doors” 20 mins prior to departure, which means you only have 20 mins. Not enough time. Possibly against DOT regulations. Filing complaint.

It was an early flight and most people napped/slept and the crew let us which was nice.

More inflight connection. And leg space is horrible. And the paying for baggage I'd ridiculous!!!

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

First of all, we never got on the connecting flight to Denver. They delayed our flight for two hours. If we would have gotten on that flight, we would have been stuck in Denver for 13 hours. So we re- routed our flight for a straight through flight to Oklahoma two days later. THEN, they delayed that flight for two hours. After that we were able to finally get on our flight and come home. Frontier Airlines - one of the worst airlines I have ever been on.

9 hours of delay!! Was not able to check my luggage that I paid for!!!

Everything you need to know for your flight from Las Vegas to Denver

Information on your arrival and departure airports

Compare transportation modes for Las Vegas to Denver

Transportation modeAverage priceAverage duration
Flights$8281h 49m
Buses$21132h 40m