$20 Cheap Flights to Cross Keys, MO

Popular airlines

How much is the cheapest flight to Cross Keys?

Prices were available within the past 7 days and start at $20 for one-way flights and $47 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Southwest Airlines
American Airlines
United
Spirit Airlines

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

October is typically the cheapest month to fly

From $137 - $910 per traveler.

Alternative airports near Cross Keys

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

What month is the cheapest to fly to Cross Keys?
December is the cheapest month to fly to Cross Keys. Demand is lower then, so you're likely to score a great deal. Booking your trip outside of school breaks and major holidays could also help you save.
Which US cities have the cheapest flights to Cross Keys?
Chicago, Dallas and Denver generally have cheap flights to Cross Keys. Keep in mind that prices vary based on factors like time of year, demand and number of stopovers.
Which US cities fly direct to Cross Keys?
There are 55 US destinations you're able to fly to Cross Keys directly from. Explore the options by selecting the "Direct flights only" filter on Expedia and find the best starting point for your trip. Here are some of the top cities to head out from:

  • Chicago
  • Dallas
  • Denver
  • New York
  • Atlanta

How to find a cheap flight to Cross Keys?
Traveling in the low season and booking in advance are two of the best ways to get cheap flights to Cross Keys. Or, consider departing on a Thursday, which is on average 16% cheaper than leaving on a Sunday.* Want to be the first to know when fares drop? Just set up price tracking on the Expedia app to get real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Cross Keys?
It's possible to get awesome deals on last-minute departures to Cross Keys, especially if your plans aren't set in stone. Consider your options for flying from a different hub, tweaking your trip dates or choosing an alternative airline to get a cheap flight to Cross Keys.
How far in advance should I book a flight to Cross Keys?
For the best deals on domestic journeys, book your flight to Cross Keys 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This gives you a better chance of locking in your preferred departure dates and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Cross Keys?
Sundays are usually the best day to book a cheap flight to Cross Keys, where you can save 8% on average compared to a Friday. If you purchase tickets on a Friday, expect to pay more as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Cross Keys?
You'll find two leading airlines that offer flights to Cross Keys. Pack your belongings and take off with either of these:

  • American Airlines - 927 flights to Cross Keys each month, including 927 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 637 flights to Cross Keys each month, including 637 flights to Lambert-St. Louis Intl. Airport (STL) per month.

Can I save money by booking a Cross Keys trip package?
Book a Cross Keys flight and hotel package deal on Expedia, and you could make significant savings. It's simple to bundle your hotel and flight, and you can also add car rentals and activities to create your own customized Cross Keys getaway. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Cross Keys?
If you reserved your flight to Cross Keys within the last 24 hours, you can typically cancel or change it without fees. After that, additional costs may apply depending on the airline's terms and conditions. For more information, head to our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may be offered a credit toward future flights in place of a direct refund. During your search on Expedia, check the "No cancel fee" or "Changes included" filters to see tickets with flexible change policies.

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Travel information

Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
$47

Trending flights to Cross Keys

Prices were available within the past 7 days and start at $20 for one-way flights and $47 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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*Available to One Key members.