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$44+ Cheap flights from Denver to Las Vegas (DEN - LAS)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAS
Oct 9 — Oct 161
Thu 10/9
Thu 10/16
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Las Vegas Harry Reid Intl are usually found in January or February, booked 30 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Denver to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2025.

Round-trip from

$94
(Cheapflightsfares)

One-way from

$44
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$163

Good round-trip deal

$130 or less

Good one-way deal

$82 or less
From Denver Intl to Las Vegas Harry Reid Intl
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One-way flight from Denver Intl to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 9% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Denver Intl to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Denver Intl to Las Vegas Harry Reid Intl.
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Find flight deals from Denver to Las Vegas

Cheapest flights from Denver to Las Vegas
Explore the most affordable flight options available from Denver to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/69:38 amDEN - LAS
1 stop5h 34mFrontier
Wed 10/812:59 amLAS - DEN
Nonstop2h 00mFrontier
Deal found 9/9$94
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 12/109:59 amDEN - LAS
Nonstop2h 08mFrontier
Fri 12/121:35 pmLAS - DEN
1 stop8h 58mFrontier
Deal found 9/9$95
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Fri 11/1410:29 pmDEN - LAS
1 stop14h 47mFrontier
Sat 11/1512:59 amLAS - DEN
Nonstop2h 00mFrontier
Deal found 9/9$96
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/59:38 amDEN - LAS
1 stop4h 52mMultiple Airlines
Thu 10/99:12 amLAS - DEN
Nonstop2h 07mMultiple Airlines
Deal found 9/9$97
This Frontier deal was found by Cheapflights users on 9/6. 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.
Tue 12/99:59 amDEN - LAS
Nonstop2h 08mFrontier
Sat 12/136:00 amLAS - DEN
Nonstop2h 04mFrontier
Deal found 9/6$98
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:10 pmDEN - LAS
Nonstop2h 03mMultiple Airlines
Wed 11/195:40 pmLAS - DEN
1 stop5h 11mMultiple Airlines
Deal found 9/9$99
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Fri 10/312:04 amDEN - LAS
1 stop16h 35mFrontier
Sat 10/118:00 amLAS - DEN
Nonstop2h 10mFrontier
Deal found 9/9$100
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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.
Tue 9/308:50 pmDEN - LAS
1 stop22h 47mFrontier
Wed 10/112:59 amLAS - DEN
Nonstop2h 01mFrontier
Deal found 9/9$101
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:36 amDEN - LAS
1 stop9h 51mFrontier
Tue 10/218:05 pmLAS - DEN
Nonstop2h 05mFrontier
Deal found 9/8$102
This eDestinos deal was found by Cheapflights users on 9/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:29 pmDEN - LAS
1 stop6h 15mFrontier
Sat 9/274:10 pmLAS - DEN
Nonstop2h 05mFrontier
Deal found 9/7$103
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:45 pmDEN - LAS
1 stop22h 20mFrontier
Thu 10/237:08 amLAS - DEN
Nonstop2h 10mFrontier
Deal found 9/9$104
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
Wed 9/2410:29 pmDEN - LAS
Nonstop2h 04mFrontier
Fri 9/2612:59 amLAS - DEN
Nonstop2h 01mFrontier
Deal found 9/8$105

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 9, 2025.
Use the filters below to find and compare flights from Denver to Las Vegas that are best for you.

Fly from

Denver

Fly to

Las Vegas

Route

Depart

Return

Price

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sat 10/25

7:40 pm-8:35 pm

Nonstop1h 55m

Las Vegas Harry Reid Intl

Mon 10/27

9:00 pm-11:55 pm

Nonstop1h 55m

$131

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 10/22

3:30 pm-4:25 pm

Nonstop1h 55m

Las Vegas Harry Reid Intl

Mon 10/27

9:00 pm-11:55 pm

Nonstop1h 55m

$131

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 10/22

3:00 pm-7:23 pm

1 stop5h 23m

Las Vegas Harry Reid Intl

Tue 10/28

10:21 am-7:06 pm

1 stop7h 45m

$136

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Thu 10/30

7:50 am-8:56 am

Nonstop2h 06m

Las Vegas Harry Reid Intl

Mon 11/3

6:10 pm-9:08 pm

Nonstop1h 58m

$137

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Fri 10/31

7:40 pm-11:25 pm

1 stop4h 45m

Las Vegas Harry Reid Intl

Mon 11/3

7:50 pm-10:40 pm

Nonstop1h 50m

$150

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sun 12/7

6:59 pm-11:26 pm

1 stop5h 27m

Las Vegas Harry Reid Intl

Tue 12/9

10:25 am-7:24 pm

1 stop7h 59m

$161

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Wed 11/12

7:40 pm-8:46 pm

Nonstop2h 06m

Las Vegas Harry Reid Intl

Sun 11/16

5:20 am-8:19 am

Nonstop1h 59m

$167

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Tue 12/2

6:59 pm-10:27 pm

1 stop4h 28m

Las Vegas Harry Reid Intl

Wed 12/3

10:25 am-7:24 pm

1 stop7h 59m

$169

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Mon 12/8

6:25 am-1:05 pm

1 stop7h 40m

Las Vegas Harry Reid Intl

Thu 12/11

6:00 am-11:43 am

1 stop4h 43m

$177

DenverLas Vegas

DEN - LAS

DENLAS

Denver Intl

Sun 12/7

6:25 am-1:05 pm

1 stop7h 40m

Las Vegas Harry Reid Intl

Wed 12/10

5:55 pm-11:58 pm

1 stop5h 03m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 21 results
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2
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The best insider tips for Denver to Las Vegas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-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.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Las Vegas trip
Airports
DEN

Use the A Line train for a quick 37-minute ride from Denver Union Station to DEN, avoiding traffic and parking hassles.

Read more about DENby Emily Zemler
LAS

For a quick exit, use rideshare services at LAS, but request your ride closer to the parking garage to avoid long waits.

Read more about LASby Ramsey Qubein
Our travel experts
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Denver to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Las Vegas. Price data was last updated on August 29, 2025.

The price you pay for your flight from Denver to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Denver to Las Vegas (average of $198). Flying from Denver to Las Vegas in March is currently the most expensive (average of $269). 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 DEN to LAS?

Find hourly flight availability from Denver to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 9, 2025.

It’s typically best to fly out from Denver to Las Vegas in the evening. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Las Vegas. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Denver to Las Vegas flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated September 9, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Denver to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,250 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Delta
8.0
Very good
7,965 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
8,943 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Frontier
5.8
Fair
3,185 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from Denver to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Las Vegas?

    To fly from Denver to Las Vegas, you need to book a flight from Denver Intl (DEN) to Harry Reid Intl (LAS). Nonstop flights to Las Vegas Harry Reid Intl from Denver Intl take 1h 55m on average. When it comes time to book airfare, you have a few options: there are 29 outbound flights from Denver Intl to Harry Reid Intl offered by 6 different airlines.

  • How popular is this Denver to Las Vegas flight route?

    The Denver Intl to Las Vegas Harry Reid Intl flight path was viewed by 391 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to Las Vegas?

    A quick flight from Denver to Las Vegas can take about 1h 55m. Southwest provides one of the quickest options available for as low as $131. There are 626 mi between Denver and Las Vegas. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Denver to Las Vegas round-trip?

    Our cheapest airline available from Denver to Las Vegas is Frontier. Our recent data shows that you can find tickets from as low as $63 on this airline. Additional options worth looking into are Delta and Southwest, starting at $88 and $138 round-trip. Frontier is 64% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Denver to Las Vegas?

    Before booking your flight to Las Vegas from Denver, check out the most reliable airlines to get you to your destination on time: Frontier (71%), Southwest (68%), Copa Airlines( 63%).

  • What are the cheapest flights from Denver to Las Vegas?

    While on average a flight from Denver to Las Vegas is generally $421, our data shows the cheapest flight currently is $38. When looking at the most popular route, (Denver Intl - Las Vegas Harry Reid Intl), you can expect to pay $104 for that flight.

  • Can I find deals for flights from Denver to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Denver to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Las Vegas.

  • Can I find deals for business class flights from Denver to Las Vegas?

    Yes. Cheapflights offers flight deals from Denver to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Denver to Las Vegas (average of $198). Flying from Denver to Las Vegas in March is currently the most expensive (average of $269). 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 are the most eco-friendly airlines from Denver to Las Vegas?

    More and more travelers today would like to utilize sustainable travel methods during their air travel experiences. As you plan a trip to Las Vegas from Denver a good place to start in this endeavor is by choosing an eco-friendly airline. On this route airlines such as Alaska Airlines, American Airlines, and United Airlines are all good choices for eco-friendly airlines. Alaska Airlines has retrofitted nearly all of their 737s with scimitar winglets that helps to reduce fuel usage by about 34,000 gallons per plane every year. United Airlines introduced their Eco-Skies Alliance that is a first-of-its-kind program that lets the airline partner with leading global corporations to help power flying in a more sustainable way.

  • How can I fly more sustainably from Denver to Las Vegas?

    While it is very common to collect souvenirs during a trip to somewhere like Las Vegas it is not a very eco-friendly thing to do to put them in plastic bags. Plastic bags can take as long as 500 years to biodegrade so instead take along a reusable shopping bag for your trip. When you get to Las Vegas do your best to try to shop and dine locally. The products local companies use generally have a much lower carbon footprint than those you will find at larger, global operations and companies. Try to pack a reusable water bottle for your trip to Las Vegas. This will help to save on the number of plastic water bottles you use on your trip which contribute a huge amount of waste to the environment. If you will be going on a tour when you are in Las Vegas try to stick to those that have smaller groups as groups with fewer people tend to have less of an environmental impact. On that note go ahead and ask your tour provider what kind of environmental initiatives they offer to give back to their community and their environment.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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Top 6 airlines flying from Denver to Las Vegas

Discover the top 6 airlines that operate flights from Denver to Las Vegas. 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 September 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$159FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$230FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$138Average$237FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$140Average$277FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$286FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$229Average$566FlexibilityNo cancel feeOn-time75%

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