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$139+ Cheap flights from Los Angeles to St. Louis (LAX - STL)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Find cheap flights from Los Angeles to St. Louis 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
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Cheapflights Tip: The best prices from Los Angeles to Lambert-St Louis are usually found in August or September, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Los Angeles to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to St. Louis (STL). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Frontier)

One-way from

$139
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$438

Good round-trip deal

$326 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.
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From Los Angeles to Lambert-St Louis
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One-way flight from Los Angeles to Lambert-St Louis
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Los Angeles to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Los Angeles to Lambert-St Louis.
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Find flight deals from Los Angeles to St. Louis

Cheapest flights from Los Angeles to St. Louis
Explore the most affordable flight options available from Los Angeles to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Frontier deal was found by Cheapflights users on 3/24. 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.
Thu 5/16:15 amLAX - STL
1 stop6h 52mFrontier
Sun 5/49:55 pmSTL - LAX
1 stop12h 39mFrontier
Deal found 3/24$278
This Sun Country Air deal was found by Cheapflights users on 3/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:50 pmLAX - STL
1 stop15h 32mSun Country Air
Mon 4/288:15 amSTL - LAX
1 stop10h 40mSun Country Air
Deal found 3/24$285
This CheapOair deal was found by Cheapflights users on 3/24. 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.
Fri 5/26:15 amLAX - STL
1 stop24h 54mMultiple Airlines
Sun 5/1110:10 amSTL - LAX
1 stop9h 29mMultiple Airlines
Deal found 3/24$286
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/141:00 pmLAX - STL
1 stop6h 20mSouthwest
Wed 4/237:25 pmSTL - LAX
Nonstop4h 05mSouthwest
Deal found 3/24$287
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/145:30 amLAX - STL
1 stop5h 48mDelta
Wed 4/235:34 pmSTL - LAX
1 stop8h 24mDelta
Deal found 3/24$296
This Mytrip deal was found by Cheapflights users on 3/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/214:49 pmLAX - STL
2 stops22h 26mSpirit Airlines
Thu 4/246:10 pmSTL - LAX
2 stops27h 49mSpirit Airlines
Deal found 3/23$299
This United Airlines deal was found by Cheapflights users on 3/24. 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 5/1012:56 amLAX - STL
1 stop7h 00mUnited Airlines
Tue 5/135:20 amSTL - LAX
1 stop6h 02mUnited Airlines
Deal found 3/24$328
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:00 amLAX - STL
1 stop5h 42mAmerican Airlines
Wed 4/236:15 amSTL - LAX
Nonstop4h 07mAmerican Airlines
Deal found 3/24$331
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/189:32 pmLAX - STL
2 stops14h 43mAlaska Airlines
Mon 4/216:44 amSTL - LAX
1 stop8h 14mAlaska Airlines
Deal found 3/24$384
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:00 pmLAX - STL
1 stop9h 59mHawaiian Airlines
Mon 8/256:30 amSTL - LAX
1 stop8h 37mHawaiian Airlines
Deal found 3/24$444

Cheapflights Fare Finder

Customize your flight search to find flights from Los Angeles to St. Louis 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 March 25, 2025.
Use the filters below to find and compare flights from Los Angeles to St. Louis that are best for you.

Fly from

Los Angeles

Fly to

St. Louis

Route

Depart

Return

Price

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 5/1

6:15 am-3:07 pm

1 stop6h 52m

Lambert-St Louis

Sun 5/4

9:55 pm-8:34 am

1 stop12h 39m

$278

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 4/25

5:50 pm-11:22 am

1 stop15h 32m

Lambert-St Louis

Mon 4/28

8:15 am-4:55 pm

1 stop10h 40m

$285

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 5/2

6:15 am-9:09 am

1 stop24h 54m

Lambert-St Louis

Sun 5/11

10:10 am-5:39 pm

1 stop9h 29m

$286

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 4/14

1:00 pm-9:20 pm

1 stop6h 20m

Lambert-St Louis

Wed 4/23

7:25 pm-9:30 pm

Nonstop4h 05m

$287

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 4/14

5:30 am-1:18 pm

1 stop5h 48m

Lambert-St Louis

Wed 4/23

5:34 pm-11:58 pm

1 stop8h 24m

$296

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 4/21

4:49 pm-5:15 pm

2 stops22h 26m

Lambert-St Louis

Thu 4/24

6:10 pm-7:59 pm

2 stops27h 49m

$299

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Sat 5/10

12:56 am-9:56 am

1 stop7h 00m

Lambert-St Louis

Tue 5/13

5:20 am-9:22 am

1 stop6h 02m

$328

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Mon 4/14

6:00 am-1:42 pm

1 stop5h 42m

Lambert-St Louis

Wed 4/23

6:15 am-8:22 am

Nonstop4h 07m

$331

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Fri 4/18

9:32 pm-2:15 pm

2 stops14h 43m

Lambert-St Louis

Mon 4/21

6:44 am-12:58 pm

1 stop8h 14m

$384

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

Thu 8/21

12:00 pm-11:59 pm

1 stop9h 59m

Lambert-St Louis

Mon 8/25

6:30 am-1:07 pm

1 stop8h 37m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 20 results
1
2

Compare providers for flights from Los Angeles to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Los Angeles to St. Louis in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Los Angeles-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Los Angeles-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Los Angeles-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Los Angeles-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Los Angeles-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Los Angeles to St. Louis 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 Los Angeles to St. Louis trip
Airports
LAX

For shorter security lines, consider using the Tom Bradley International Terminal, especially during morning and midday hours.

Read more about LAXby Ramsey Qubein
STL

Use the MetroLink light rail for a convenient and economical way to reach downtown St. Louis from STL.

Read more about STLby Taryn White
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LAX

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
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Best time to book a flight from Los Angeles to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Los Angeles 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 Los Angeles to St. Louis

How far ahead should I book a flight from Los Angeles to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to St. Louis. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Los Angeles to St. Louis, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Los Angeles to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Los Angeles to St. Louis (average of $311). Flying from Los Angeles to St. Louis in March is currently the most expensive (average of $356). 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 LAX to STL?

Find hourly flight availability from Los Angeles to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

One of the essential ways to save on airfare from Los Angeles to St. Louis is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Los Angeles to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to St. Louis. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Los Angeles to St. Louis flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Los Angeles to St. Louis

Explore weekly flight availability from Los Angeles to St. Louis. 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 March 25, 2025.

The most flights from LAX to STL are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 25, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Los Angeles to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to St. Louis. 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 Los Angeles to St. Louis?

    If you wish to fly to St. Louis from Los Angeles, then you need to book flights from Los Angeles to Lambert-St Louis. There are 10 flights from Los Angeles (LAX) to Lambert-St Louis (STL) per day to choose from. Flights to St. Louis from Los Angeles are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 3h 35m is how long a nonstop flight from Los Angeles to Lambert-St Louis typically takes.

  • How popular is this Los Angeles to St. Louis flight route?

    This flight path from Los Angeles to Lambert-St Louis was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Los Angeles to St. Louis round-trip?

    Our cheapest airline available from Los Angeles to St. Louis is Frontier. Our recent data shows that you can find tickets from as low as $278 on this airline. Additional options worth looking into are Sun Country Air and Southwest, starting at $285 and $287 round-trip. Frontier is currently priced 29% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Los Angeles to St. Louis one-way?

    One-way options have recently been found by users for as low as $139 on American Airlines. Other airlines that offer cheap prices include Sun Country Air from $143 and Spirit Airlines from $144 one-way.

  • What are the most reliable airlines from Los Angeles to St. Louis?

    Consider Southwest (87%), American Airlines (77%) or Qatar Airways (77%) when booking your flight. These represent the most reliable airlines when flying from Los Angeles to St. Louis.

  • What are the cheapest flights from Los Angeles to St. Louis?

    Looking for the cheapest flight from Los Angeles to St. Louis? While on average our users pay $308, our data indicates the cheapest price to be $132. The most popular route (Los Angeles - Lambert-St Louis), is priced around $272.

  • Can I find deals for flights from Los Angeles to St. Louis that include hotel bookings?

    Yes. In addition to deals on Los Angeles to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to St. Louis.

  • Can I find deals for business class flights from Los Angeles to St. Louis?

    Yes. Cheapflights offers flight deals from Los Angeles to St. Louis 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 Los Angeles to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Los Angeles to St. Louis (average of $311). Flying from Los Angeles to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
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Alternative routes for Los Angeles to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Los Angeles to St. Louis

Discover the top 7 airlines that operate flights from Los Angeles to St. Louis. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$66Average$248FlexibilityNo cancel feeOn-time65%
FrontierCheapest$119Average$193FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$254Average$403FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$421FlexibilityNo cancel feeOn-time63%
DeltaCheapest$318Average$421FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$327Average$737FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$329Average$493FlexibilityNo cancel feeOn-time69%
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