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$54+ Cheap flights from Kansas City to Ontario (MCI - ONT)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ONT
Oct 14 — Oct 211
From?
To?
Mon 10/14
Mon 10/21
1 adult, Economy
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The best prices from Kansas City to Ontario are usually found in May or September, booked 23 days in advance, depart on a Sunday or Tuesday and return on a Friday

Cheap flight deals from Kansas City to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Ontario (ONT). 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 October 9, 2024.

Popular in

March

Cheapest in

May

Round-trip from

$106
(Mytrip)

One-way from

$54
(Frontier)
High demand for flights, 33% potential price rise
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Best time to find cheap flights, 35% potential price drop
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From Kansas City to Ontario
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One-way flight from Kansas City to Ontario
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Cheap Kansas City to Ontario flights in October & November 2024

Find cheap flight options from Kansas City to Ontario specifically for the months of October and November 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,724,377 searches. Prices were last updated on October 9, 2024.
The lowest fares we've come across on flights traveling from Kansas City to Ontario in October and November 2024. Check back in a little while for more flight options.
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/134:07 pmMCI - ONT
1 stop9h 57mFrontier
Sat 11/164:07 pmONT - MCI
1 stop27h 50mFrontier
Deal found 10/9$106
This eDestinos deal was found by Cheapflights users on 10/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1410:43 pmMCI - ONT
1 stop12h 26mMultiple Airlines
Mon 11/188:40 amONT - MCI
2 stops34h 12mMultiple Airlines
Deal found 10/8$208
This American Airlines deal was found by Cheapflights users on 10/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/145:45 amMCI - ONT
1 stop5h 30mAmerican Airlines
Tue 11/196:10 amONT - MCI
2 stops7h 53mAmerican Airlines
Deal found 10/9$337
This Delta deal was found by Cheapflights users on 10/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/45:10 pmMCI - ONT
1 stop7h 44mDelta
Mon 11/115:00 pmONT - MCI
1 stop5h 21mDelta
Deal found 10/8$341
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/84:25 pmMCI - ONT
1 stop8h 25mAlaska Airlines
Thu 11/142:19 pmONT - MCI
1 stop7h 40mAlaska Airlines
Deal found 10/8$346
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/296:00 amMCI - ONT
2 stops9h 00mUnited Airlines
Sat 11/23:15 pmONT - MCI
1 stop6h 42mUnited Airlines
Deal found 10/8$403

Kansas City to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Kansas City and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,724,377 searches. Data last updated October 9, 2024.
The lowest fares we've come across on flights traveling from Kansas City to Ontario in October and November 2024. Check back in a little while for more flight options.
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/134:07 pmMCI - ONT
1 stop9h 57mFrontier
Sat 11/164:07 pmONT - MCI
1 stop27h 50mFrontier
Deal found 10/9$106
This eDestinos deal was found by Cheapflights users on 10/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1410:43 pmMCI - ONT
1 stop12h 26mMultiple Airlines
Mon 11/188:40 amONT - MCI
2 stops34h 12mMultiple Airlines
Deal found 10/8$208
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:30 pmMCI - ONT
2 stops10h 12mDelta
Tue 12/175:10 pmONT - MCI
1 stop5h 17mDelta
Deal found 10/9$296
This American Airlines deal was found by Cheapflights users on 10/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/45:14 amMCI - ONT
1 stop6h 38mAmerican Airlines
Tue 12/179:55 amONT - MCI
2 stops10h 30mAmerican Airlines
Deal found 10/9$323
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/84:25 pmMCI - ONT
1 stop8h 25mAlaska Airlines
Thu 11/142:19 pmONT - MCI
1 stop7h 40mAlaska Airlines
Deal found 10/8$346
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:20 amMCI - ONT
2 stops9h 56mUnited Airlines
Wed 1/85:10 amONT - MCI
1 stop16h 33mUnited Airlines
Deal found 10/8$401
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:05 pmMCI - ONT
1 stop5h 05mSouthwest
Sun 1/51:50 pmONT - MCI
1 stop8h 35mSouthwest
Deal found 10/8$405

Kansas City to Ontario flights leaving soon

Find last-minute flight options from Kansas City to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,724,377 searches. Data last updated October 9, 2024.
Consider one of these great deals we found on last-minute flights from Kansas City to Ontario. It's wise to confirm all flight details are correct before booking.
This eDestinos deal was found by Cheapflights users on 10/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/189:20 pmMCI - ONT
1 stop14h 01mMultiple Airlines
Fri 10/253:27 pmONT - MCI
1 stop10h 43mMultiple Airlines
Deal found 10/8$237
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/181:24 pmMCI - ONT
1 stop20h 01mFrontier
Wed 10/236:30 amONT - MCI
1 stop6h 37mFrontier
Deal found 10/8$252
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/166:00 amMCI - ONT
1 stop8h 32mUnited Airlines
Sun 11/35:05 amONT - MCI
1 stop5h 45mUnited Airlines
Deal found 10/8$540
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/177:00 amMCI - ONT
1 stop10h 21mAlaska Airlines
Mon 10/216:00 amONT - MCI
2 stops15h 59mAlaska Airlines
Deal found 10/7$724

One-way flights to Ontario from Kansas City

Search for one-way flight options from Kansas City to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,724,377 searches. Data last updated October 9, 2024.
Take a look at some of the best available options we've come across on one-way flights from Kansas City to Ontario. Users can also find round-trip Kansas City to Ontario flights by using the search form above.
This Frontier deal was found by Cheapflights users on 10/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/226:10 pmMCI - ONT
1 stop7h 48mFrontier
Deal found 10/8$54
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/28:00 amMCI - ONT
1 stop5h 57mDelta
Deal found 10/7$159
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/14:25 pmMCI - ONT
1 stop8h 25mAlaska Airlines
Deal found 10/9$168
This Southwest deal was found by Cheapflights users on 10/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/41:15 pmMCI - ONT
2 stops7h 40mSouthwest
Deal found 10/7$178
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/35:00 amMCI - ONT
2 stops9h 00mUnited Airlines
Deal found 10/8$213
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2211:33 amMCI - ONT
2 stops8h 52mAmerican Airlines
Deal found 10/8$258

Find flights from Kansas City to Ontario within your budget

Customize your flight search to find flights from Kansas City to Ontario 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 2,724,377 searches. Data last updated October 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$106 - $405

Route

Depart

Return

Price

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 11/13

1 stop9h 57m

Ontario

Sat 11/16

1 stop27h 50m

$106

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Thu 11/14

1 stop12h 26m

Ontario

Mon 11/18

2 stops34h 12m

$208

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 12/10

2 stops10h 12m

Ontario

Tue 12/17

1 stop5h 17m

$296

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Wed 12/4

1 stop6h 38m

Ontario

Tue 12/17

2 stops10h 30m

$323

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Fri 11/8

1 stop8h 25m

Ontario

Thu 11/14

1 stop7h 40m

$346

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Tue 12/31

2 stops9h 56m

Ontario

Tue 1/7

1 stop21h 06m

$401

Kansas CityOntario

MCI - ONT

MCIONT

Kansas City

Mon 12/30

1 stop5h 05m

Ontario

Sun 1/5

1 stop8h 35m

$405

Flights are sorted by cheapest first

Deals found on 10/9

Best time to book a flight from Kansas City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kansas City 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.

Travel insights for flights from Kansas City to Ontario

Get recent, data-driven insights about flights from Kansas City to Ontario including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Kansas City to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to Ontario. Price data was last updated on October 4, 2024.

The price you pay for your flight from Kansas City to Ontario 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.

Find deals

What is the cheapest month to book a flight from Kansas City to Ontario?

Currently, September is the cheapest month in which you can book a flight from Kansas City to Ontario (average of $236). Flying from Kansas City to Ontario in February is currently the most expensive (average of $287). 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 MCI to ONT?

Find hourly flight availability from Kansas City to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 9, 2024.

A simple way to save on the total cost of your ticket is to fly from Kansas City to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Kansas City to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to Ontario. Price data was last updated on October 6, 2024.

Travelers seeking maximum savings on their Kansas City to Ontario flight should consider departing on Tuesday evenings 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.

Find deals

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 9, 2024.
Peruse reviews from past customers who have flown with Frontier, Alaska Airlines and United Airlines from Kansas City to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,211 reviews

Overall

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.2
Very good
5,211 reviews
Southwest
8.2
Very good
5,211 reviews

Overall

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,389 reviews
Southwest
8.2
Very good
5,211 reviews

Overall

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,969 reviews
Southwest
8.2
Very good
5,211 reviews

Overall

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,364 reviews
Southwest
8.2
Very good
5,211 reviews

Overall

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,211 reviews

Overall

8.2

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

  • Can I find flights from Kansas City to Ontario for under $200 on Cheapflights?

    Yes, there are multiple flights from Kansas City to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $106, but on average you can expect to pay $297.

  • Are there last-minute flights available from Kansas City to Ontario for under $300?

    There are currently 4+ open flights from Kansas City to Ontario within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Kansas City to Ontario round-trip?

    Flying on Frontier is currently your cheapest option to Ontario, with prices starting at $106. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $296 and $323, respectively. You may be able to fly from Kansas City to Ontario for 67% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to Ontario one-way?

    One-way options have recently been found by users for as low as $54 on Frontier. Other airlines that offer cheap prices include Delta from $159 and Alaska Airlines from $168 one-way.

  • What does MCI to ONT mean?

    Great question - MCI to ONT just means Kansas City Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Kansas City to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Kansas City to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Kansas City to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Kansas City to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Kansas City to Ontario that include hotel bookings?

    Yes. In addition to deals on Kansas City to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Ontario.

  • Can I find deals for business class flights from Kansas City to Ontario?

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

  • Can I find deals for flights from Kansas City to Ontario that allow pets onboard?

    Many airlines flying from Kansas City to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Kansas City to Ontario?

    Yes, you can often find last-minute deals on Kansas City to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Kansas City to Ontario flight deals updated?

    The Kansas City to Ontario flight deals you see on this page were last updated on 10/9.

  • What is the cheapest month to book a flight from Kansas City to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Kansas City to Ontario (average of $236). Flying from Kansas City to Ontario in February is currently the most expensive (average of $287). 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

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Alternative routes for Kansas City to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Kansas City to Ontario

Discover the top 6 airlines that operate flights from Kansas City to Ontario. 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 2,724,377 searches. Data last updated October 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$245FlexibilityNo cancel feeOn-time65%
FrontierCheapest$114Average$179FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$118Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$204Average$342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$439FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$304Average$371FlexibilityNo cancel feeOn-time63%
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