Spirit's Big Front Seat offers 20-inch width and 11” extra legroom for added comfort.
Spirit's Wi-Fi offers gate-to-gate connectivity, available on all routes.
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Planning a trip from Chicago to Las Vegas? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.
When planning a trip from Chicago to Las Vegas, there are several ways to potentially save money on your flight. Generally, Tuesday is the cheapest day of the week to fly, while September is the cheapest month.
Cheapest Route: Opt for flights from Chicago O'Hare (ORD) to Las Vegas (LAS) for the cheapest route.
Booking Advance: Book your flight at least 21 days in advance to get the best deal.
Cheapest Airline: Consider flying with Spirit Airlines, as they generally offer the cheapest fares.
Direct or Layover: Direct flights are typically more expensive, so consider flights with a layover to save money.
This feature is powered by ChatGPT: an OpenAI-developed artificial intelligence model trained with KAYAK proprietary data and third-party data not verified by KAYAK.
Low season | January |
---|---|
High season | March |
Cheapest flight | $46 |
Find which airlines fly direct from Chicago to Las Vegas Harry Reid Intl Airport, which days they fly and book direct flights.
Direct departures
Chicago to Las Vegas Harry Reid Intl
Monday
Aer Lingus, Air Canada, American Airlines, +17 more
Aer Lingus, Air Canada, +18 more
16
17
Tuesday
Air Canada, American Airlines, Avianca, +14 more
Air Canada, American Airlines, +15 more
13
14
Wednesday
Aer Lingus, Air Canada, American Airlines, +16 more
Aer Lingus, Air Canada, +17 more
15
16
Thursday
Aer Lingus, Air Canada, Allegiant Air, +17 more
Aer Lingus, Air Canada, +18 more
16
17
Friday
Aer Lingus, Air Canada, American Airlines, +16 more
Aer Lingus, Air Canada, +17 more
15
16
Saturday
Aer Lingus, Air Canada, American Airlines, +16 more
Aer Lingus, Air Canada, +17 more
15
16
Sunday
Aer Lingus, Air Canada, Allegiant Air, +18 more
Aer Lingus, Air Canada, +19 more
17
18
Direct returns
Las Vegas Harry Reid Intl to Chicago
Monday
Aer Lingus, Air Canada, American Airlines, +17 more
Aer Lingus, Air Canada, +18 more
16
17
Tuesday
Aer Lingus, Air Canada, American Airlines, +15 more
Aer Lingus, Air Canada, +16 more
14
15
Wednesday
Aer Lingus, Air Canada, American Airlines, +16 more
Aer Lingus, Air Canada, +17 more
15
16
Thursday
Aer Lingus, Air Canada, Allegiant Air, +17 more
Aer Lingus, Air Canada, +18 more
16
17
Friday
Aer Lingus, Air Canada, American Airlines, +16 more
Aer Lingus, Air Canada, +17 more
15
16
Saturday
Aer Lingus, Air Canada, American Airlines, +16 more
Aer Lingus, Air Canada, +17 more
15
16
Sunday
Aer Lingus, Air Canada, Allegiant Air, +18 more
Aer Lingus, Air Canada, +19 more
17
18
Flight was awfully bumpy and landing was a bit jolting. I was in the restroom when snacks and drinks were served and was not asked if i wanted any. I had to ask for water finally.
Flight was awfully bumpy and landing was a bit jolting. I was in the restroom when snacks and drinks were served and was not asked if i wanted any. I had to ask for water finally.
One of the crew performed a hilarious skit to accompany the standard instructions. Passengers enjoyed it so much they applauded at the end!
We had a nice flight. Boarding was easy, our seats were comfortable and the on board service was pleasant.
Excellent experience. WiFi worked on this leg of My trip
I used to fly SWA all the time. I know the crew has their little acts that are often fun, and entertaining. On this flight one of the crew was just not nice. Very surprising.
Crew was pleasant; flight was on time. Paid extra for early bird check-in and still got B boarding.
If your boarding Military, it should be with ore board, and with my spouse, so rude and stupid to not let us board together and before a group. All the other airlines clearly understand Military courtesy, this is why I Rarely fly SWA and Always fly Alaska
The crew was nice. Boarding sucked. Instead of loading from the back to the front people just sat wherever and you had to wait for them to move to get to a seat. And the flight was 30 minutes delayed.
The crew was dutiful but seemed detached and bored. The boarding process is ineffective. No reason I shouldn’t be able to sit with my wife. I checked in at the first available minute and still got boarding tow “C”. Southwest used to be my first choice due to value. But no longer. Southwest is like traveling in a cattle car. Suggestion: be the first to make Wi-Fi free!
wifi wasn't working correctly so couldn't watch live tv
The seats on this flight were almost roomy enough to be the basic amount needed for human existence. I think my favorite part of this flight was it landed at an A gate, which was the most palatial part of Sea-Tac I've ever seen - a massive improvement from the S gates.
The seats on this flight were almost roomy enough to be the basic amount needed for human existence.
The flight attendants in First Class were mediocre at best. They did not take our tray away until we were about to land and only did so when I press the call button. The United person at the United Club was asked to get us our boarding pass since we missed the flight due in Chicago. She argued that we did not have seats on the flight given to us in Moline. Furthermore, she was adamant that we did not have a First Class ticket. After I spent much time with her trying to show we were correct, she reluctantly agreed. She was probably the most incompetent ticketing person I have ever met and I have traveled 3 million miles on United plus many additional miles with other carriers. United has definitely deteriorated in more than on way.
Short flight - no food understandable. Flight was delayed for over an hour. Overall, it was good.
First class felt like economy, seats were horrible, food was horrible, staff inattentive
We arrived early and finally made it to our gate almost an hour after.
Was a pain having to leave the plane and reboard but glad the plane was fixed
Plane was was better than th YVR to ORD flight but was a fraction of the distance. Fly your better planes on longer distance flights.
Nothing wrong with the flight itself. But due to 2+ hrs waiting in immigration and the additional security checkup in O’hare, I nearly missed the flight.
They need to improve their boarding process. Group 1 and/or paying first class passengers shouldn't be in the middle of boarding process
First class flight attendant was rude and lacked any customer service skills.
Most of the delay was due to weather which is not what was at issue here. One delay was due to a missing flashlight and in the end the flashlight was actually found on the plane. The entertainment system is very limited. Live TV options offer only a few channels that are not very appealing. Boarding and deplaning are always difficult. It just takes too much time to get on and off the plane. On the plus side, I missed my connecting flight, but was easily able to book a later flight from the app while enroute.
You were more on time than United. I'm so over united delays.
The meals were mediocre and the alcohol selection was poor. I enjoyed the selection of movies and other entertainment.
I chatted with the captain before the flight, and similarly during the welcome announcement, he warned of a turbulent flight that may impact the in-flight service. However, once at altitude, he announced that the weather changed and he immediately turned off the seatbelt sign. But it appeared the cabin crew had already decided to take off this flight. They remained seated and then just chatted in the galley. The flight was fully catered, but only first class received service.
They didn't have any gluten-free snacks, oddly, which I require...or any flavored soda water or decaf tea options, which seems to be standard.
My flight attendant was attentive! The elderly person next to me was flatulent and the flight attendant could see that I was in distress and brought me some face masks
It was as expected for such a short flight. No complaints
My boarding pass wouldn't pull up in the app very easily and had to really dig through my email. That caused a delay in TSA..
I had a TERRIBLE experience with the AA crew. I believe it was disability-related. It’s unlikely I will fly AA again.
Not efficient. Missed my connecting flight over improper operation of spirit crew.
I couldn't understand the crew when they announced it was a new plane and there was therefore no wifi, huh? Seriously lame for 2025!
My experience was very nice. However, my Spirit flight 409 from Las Vegas to Tampa… the gate Associate Tissa was extremely unprofessional and boarder line rude. While in line I found out that my Uncle died… in that moment Tisza asked if I would help in car of an emergency as I paid for an exit row seat. I stayed “I will”… Tissa didn’t hear then implied that I didn’t understand English, yelled that I needed to speak up and other things. Associates like that will cause Spirit airlines to lose customers.
They kept delaying us and not providing any information which cost us hundreds of dollars . We had an event to get to and missed our even that we had paid for along with lots of wasted time and money booking nee flights.
The people were wonderful, but I hated the way they over charged for luggage, especially for stops which were charged the same as starting point to final destination.
First time flying Spirit and I was pleasantly surprised. Service was as advertised. Crew were very professional and friendly and excellent in dealing with a customer who felt ill on the flight.
Fantastic. Had handicapped traveler and they helped us through security, helped with boarding, helped put wheelchair together, and were all very patient. A pleasant change from previous spirit flights I’ve taken. Highly recommend.
Spirit's seating does not work for an overnight flight and my back is killing me. This airline does not meet the minimum standards for being an airline.
I was booked to Reno with a carry on and a personal item on Alaska airlines. Kayak booked me on a return flight on Spirit on which I was not allowed a carry on. What a nightmare. It cost me an upgrade on Spirit and a checked bag fee, a total of $125, to get a small carry on bag home. Kayak needs to learn about the Go restrictions on Spirit before quoting a price on a round trip ticket.
Seats had more cushion in this flight. Otherwise, I got what I paid for. Will avoid spirit airlines at all cost.
Very easy with the app to board and staff skills
After waiting several minutes to be acknowledged by 3 employees on their phones, was told we had missed our flight because the doors were closed at that literal moment. Had they given any actual service or help while we were standing there we would have been on with time to spare. More than 10 people were turned away in this fashion claiming there was no way they could let us on the plane, even though it was still sitting connected to the terminal. After the desk agents let us know they didn't care about the situation we were forced to pay more than twice the price of our original tickets as no credits were given for the price of the "missed" flight. And the icing on the cake was after being treated poorly, fleeced for another few hundred dollars for new tickets? We waited on the next plane for 25 minutes passed the "doors closed" time, letting almost an extra dozen passengers on board. You're company has lazy, disinterested employees and your lack of any real help will ensure this was the first and last time we fly Frontier. Awful.
My experience with the phoenix airport was terrible, the personnel lay the ticket counter charged me for a carry on that fit in the carry on size box, and the two women I spoke with were terribly rude and not willing to help.,,, there was one lady “candy” on the flight crew that was amazing and is the only reason I stayed on the flight at all, because the other stewards helping people to get seated on the plane were terrible
I loked walking out on the tarmac to board and no first class. I didn't like that they have no snacks or onboard wifi to bide your time.
The plane was clean, the crew was friendly and helpful. It’s a low cost airline so there was no food, drinks or in flight entertainment but we didn’t expect any of these things. In the room for improvement department, they should install USB ports in seats to charge mobile devices.
The seats were extremely hard and uncomfortable, even for a budget airline.
The seats were extremely hard and uncomfortable. It was disappointing even for a budget airline.
Charging $74 for one checked bag is outrageous. I will never fly Frontier again.
Boarding was very well executed. Got my bag right away.
I was surprised that all baggage, including carry on, were charged. Each additional bag went up in cost. Really disappointed in the additional costs.
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