$612+ Cheap flights from Marion, IL to Denver (MWA - DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
MWA — DEN
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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Find cheap flights from Marion to Denver 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
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Marion to Denver
Cheapest
Best
Last-minute
Cheapest flights from Marion to DenverExplore the most affordable flight options available from Marion to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Marion to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/35:42 am -
1 stop5h 20m
Wed 10/76:09 pm -
1 stop5h 09m
Deal found 9/17![American Airlines logo]()
$612
Best flights from Marion to DenverDiscover carefully curated flight deals from Marion to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Marion to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/66:00 am -
1 stop6h 37m
Sat 10/106:09 pm -
1 stop5h 09m
Deal found 9/21![American Airlines logo]()
$612
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/35:42 am -
1 stop5h 20m
Wed 10/76:09 pm -
1 stop5h 09m
Deal found 9/17![American Airlines logo]()
$612
Last-minute flights from Marion to DenverDiscover last-minute flight deals from Marion to Denver. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Marion to Denver. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/35:42 am -
1 stop5h 20m
Wed 10/76:09 pm -
1 stop5h 09m
Deal found 9/17![American Airlines logo]()
$612
Find flight deals from Marion to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Marion (MWA) to Denver (DEN). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $612 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Marion to Denver 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 7,457,451 searches. Data last updated September 21, 2026.
Use the filters below to find and compare flights from Marion to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MarionDenver
MWA Marion Williamson County - DEN Denver Intl
MWADEN
Marion Williamson County
Tue 10/6
6:00 am-11:37 am
1 stop6h 37m
Denver Intl
Sat 10/10
6:09 pm-12:18 am
1 stop5h 09m
$612
Quickest round-trip
MarionDenver
MWA Marion Williamson County - DEN Denver Intl
MWADEN
Marion Williamson County
Sat 10/3
5:42 am-10:02 am
1 stop5h 20m
Denver Intl
Wed 10/7
6:09 pm-12:18 am
1 stop5h 09m
$612
Sorted by cheapest first
Compare providers for flights from Marion to Denver
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 Marion to Denver in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Marion, Illinois-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Marion, Illinois-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Marion, Illinois-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Marion, Illinois-Denver 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 Marion, Illinois-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Marion to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Marion with our price prediction graph.
MWA-DEN
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.
Related info for your journey
Find useful and relevant information for your journey from Marion to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
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