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$234 Cheap Flights from Cedar Rapids (CID) to St. Louis (STL)

View $234 flight on Sun, Nov 1, 2026Opens in a new window

Popular airlines from Eastern Iowa Airport (CID) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Cedar Rapids to St. Louis (CID-STL)

Prices were available within the past 7 days and start at $234 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Nov 1 - Sat, Nov 7
CID
Cedar Rapids
STL
St. Louis
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 1 from Cedar Rapids to St. Louis, returning Sat, Nov 7, priced at $289 found 1 day ago
United
Thu, Oct 1 - Mon, Oct 5
CID
Cedar Rapids
STL
St. Louis
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 1 from Cedar Rapids to St. Louis, returning Mon, Oct 5, priced at $304 found 1 day ago
United
Sun, Nov 1 - Sat, Nov 7
CID
Cedar Rapids
STL
St. Louis
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 1 from Cedar Rapids to St. Louis, returning Sat, Nov 7, priced at $306 found 1 day ago
American Airlines
Wed, Nov 25 - Fri, Nov 27
CID
Cedar Rapids
STL
St. Louis
$309 Roundtrip, found 16 hours ago
$309
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Nov 25 from Cedar Rapids to St. Louis, returning Fri, Nov 27, priced at $309 found 16 hours ago
Delta
Sun, Nov 1 - Sat, Nov 7
CID
Cedar Rapids
STL
St. Louis
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 1 from Cedar Rapids to St. Louis, returning Sat, Nov 7, priced at $309 found 1 day ago
United
Thu, Oct 1 - Mon, Oct 5
CID
Cedar Rapids
STL
St. Louis
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 1 from Cedar Rapids to St. Louis, returning Mon, Oct 5, priced at $314 found 1 day ago
United
Sun, Nov 1 - Sat, Nov 7
CID
Cedar Rapids
STL
St. Louis
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 1 from Cedar Rapids to St. Louis, returning Sat, Nov 7, priced at $318 found 1 day ago
American Airlines
Fri, Sep 25 - Mon, Sep 28
CID
Cedar Rapids
STL
St. Louis
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep 25 from Cedar Rapids to St. Louis, returning Mon, Sep 28, priced at $319 found 4 days ago
Delta
Fri, Oct 2 - Sun, Oct 4
CID
Cedar Rapids
STL
St. Louis
$324 Roundtrip, found 13 hours ago
$324
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, Oct 2 from Cedar Rapids to St. Louis, returning Sun, Oct 4, priced at $324 found 13 hours ago
United
Wed, Nov 25 - Fri, Nov 27
CID
Cedar Rapids
STL
St. Louis
$329 Roundtrip, found 16 hours ago
$329
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Nov 25 from Cedar Rapids to St. Louis, returning Fri, Nov 27, priced at $329 found 16 hours ago

What you need to know for your flight from Eastern Iowa to Lambert-St. Louis Intl.

Cedar Rapids (CID) to St. Louis (STL) at a glance

Travel between Cedar Rapids (CID) and St. Louis (STL) with a selection of airlines servicing this short domestic route. Explore a range of full-service carriers to discover the flight that aligns with your budget, schedule, and travel preferences as you dive into the iconic sights and neighborhoods of St. Louis. Check out the essential information for flights from Eastern Iowa Airport (CID) to Lambert-St. Louis International Airport (STL).

  • Fastest flight duration: around 2h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 250 miles (400 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $105–$385, depending on seasonality and how far ahead you book

Flights from Eastern Iowa Airport (CID) to Lambert-St. Louis International Airport (STL)

Based on recent traveler bookings, here are the top airlines favored for flights from Cedar Rapids to St. Louis, typically featuring one-stop services. Common layover points include O'Hare International Airport (ORD), Dallas-Fort Worth International Airport (DFW), and Minneapolis - St. Paul International Airport (MSP), all with layovers of approximately 1 hour and 30 minutes. This allows you the flexibility to choose the best itinerary by balancing price, total travel time, and cabin class.

  • American Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally falling between $110 and $375. It operates around 46% of the departures on this route, featuring an in-flight duration of 2 hours and 45 minutes, and an overall travel time of approximately 4 hours and 30 minutes, including layovers.
  • United: Another full-service option, United offers one-stop service with one-way fares usually ranging from $130 to $505. It accounts for nearly 43% of the flights on this route, with an in-flight time of 2 hours and 45 minutes and a total journey time around 4 hours and 30 minutes, factoring in layovers.
  • Delta: Delta Airlines, also a full-service carrier, features one-stop flights with one-way fares typically between $105 and $365. This airline represents about 11% of the departures on this route, maintaining a flying time of 2 hours and 45 minutes and an overall travel duration of roughly 4 hours and 30 minutes, including layover times.

Alternative route from Cedar Rapids (CID) to St. Louis (STL)

  • Cedar Rapids to St. Louis (CID-SUS): Spirit of St. Louis Airport (SUS) is approximately 16 miles from Lambert-St. Louis International Airport (STL).

How to find the best prices for flights from Cedar Rapids (CID) to St. Louis (STL)

Getting some of the best deals on flights from Cedar Rapids to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Morning departures (5 AM-12 PM) often provide lower prices and are the most popular times to fly. Additionally, Saturday flights generally offer cheaper prices, while Thursday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Eastern Iowa Airport

St. Louis welcomes travelers from Cedar Rapids with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is located about 0.1 miles away on foot, providing easy access to public transportation for travelers.

Frequently asked questions

How much does a flight from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $234 and cheap return flights from $289 Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights usually range from $138 to $525, and return flights typically cost between $313 and $907. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest month to fly from CID to STL is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter CID to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Eastern Iowa (CID) to Lambert-St. Louis Intl. (STL), with round-trip tickets starting from around $218. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Eastern Iowa Airport (CID) to Lambert-St. Louis International Airport (STL) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service is a great way to start your day in St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
For flights from Cedar Rapids, IA (CID) to St. Louis, MO (STL), the most popular departure times are in the early morning, from 6am to 9am. About 34% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Delta Airlines, operate during this time. This timing works well because it allows you to make the most of your day in St. Louis.
How long does it take to fly from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Flying from CID to STL with a connection usually takes about 4 hours 30 minutes, traveling roughly 229 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
First class is available on flights from CID to STL. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Eastern Iowa (CID)?
From Eastern Iowa (CID), you can fly into Lambert-St. Louis Intl. (STL) to reach St. Louis. Some flights may connect through major hubs like O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP), Ronald Reagan Washington National (DCA) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Cedar Rapids, IA (CID-Eastern Iowa) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Eastern Iowa
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$288
Distance
228 mi

Book with confidence

Cedar Rapids to St. Louis Flights

The cheapest times to fly from Cedar Rapids to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cedar Rapids to St. Louis are during the month of November. You can find some of the cheapest flights from Cedar Rapids to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cedar Rapids to St. Louis

Sunday is one of the best days to book for cheap flights from Cedar Rapids to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cedar Rapids to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cedar Rapids to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $234 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cedar Rapids to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cedar Rapids to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cedar Rapids to St. Louis Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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