HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$183+ Cheap flights from Springfield, IL to Denver (SPI - DEN)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Springfield 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 Springfield to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Springfield (SPI) 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 June 12, 2025.

Round-trip from

$360
(American Airlines)

One-way from

$183
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$524
From Springfield Capital to Denver Intl
Search Deals
One-way flight from Springfield Capital to Denver Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Springfield to Denver

Cheapest flights from Springfield to Denver
Explore the most affordable flight options available from Springfield to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 8/91:07 pmSPI - DEN
1 stop4h 35mAmerican Airlines
Mon 8/115:00 amDEN - SPI
2 stops11h 54mAmerican Airlines
Deal found 6/11$360
This Mytrip deal was found by Cheapflights users on 6/10. 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 6/259:25 amSPI - DEN
2 stops32h 34mMultiple Airlines
Sun 6/296:15 amDEN - SPI
3 stops36h 07mMultiple Airlines
Deal found 6/10$734

Cheapflights Fare Finder

Customize your flight search to find flights from Springfield 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Springfield to Denver that are best for you.

Fly from

Springfield

Fly to

Denver

Route

Depart

Return

Price

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sat 8/9

1:07 pm-4:42 pm

1 stop4h 35m

Denver Intl

Mon 8/11

5:00 am-5:54 pm

2 stops11h 54m

$360

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Wed 6/25

9:25 am-4:59 pm

2 stops32h 34m

Denver Intl

Sun 6/29

6:15 am-7:22 pm

3 stops36h 07m

$734

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Mon 8/4

6:36 pm-8:09 am

2 stops14h 33m

$183

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sat 7/12

9:25 am-1:40 pm

3 stops29h 15m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Springfield to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Springfield 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 Springfield to Denver

What is the cheapest month to book a flight from Springfield, Illinois to Denver?

Currently, October is the cheapest month in which you can book a flight from Springfield, Illinois to Denver (average of $197). Flying from Springfield, Illinois to Denver in March is currently the most expensive (average of $278). 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.

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated June 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

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

  • What is the cheapest airline to fly from Springfield, Illinois to Denver round-trip?

    According to our current data, American Airlines ($360), offers the cheapest pricing from Springfield, Illinois to Denver. American Airlines is priced at 12% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Springfield to Denver that include hotel bookings?

    Yes. In addition to deals on Springfield to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Springfield to Denver?

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

  • Can I find deals for business class flights from Springfield to Denver?

    Yes. Cheapflights offers flight deals from Springfield to Denver 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 Springfield, Illinois to Denver?

    Currently, October is the cheapest month in which you can book a flight from Springfield, Illinois to Denver (average of $197). Flying from Springfield, Illinois to Denver in March is currently the most expensive (average of $278). 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 Springfield?

Book flights to Springfield if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Springfield to Denver

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
St. Louis to Denver flights
Midway to Denver flights
O'Hare Intl to Colorado Springs flights
Peoria to Denver flights
Moline to Denver flights
O'Hare Intl to Aspen flights
O'Hare Intl to Vail flights
Midway to Colorado Springs flights
O'Hare Intl to Montrose flights
St. Louis to Colorado Springs flights
O'Hare Intl to Grand Junction flights
O'Hare Intl to Durango flights
O'Hare Intl to Hayden flights
St. Louis to Montrose flights
St. Louis to Durango flights
O'Hare Intl to Gunnison flights
Moline to Colorado Springs flights
Midway to Grand Junction flights
Evansville to Denver flights
St. Louis to Grand Junction flights
Bloomington to Denver flights
St. Louis to Vail flights
Midway to Aspen flights
Dubuque to Denver flights
Peoria to Colorado Springs flights
St. Louis to Aspen flights
Decatur to Denver flights
Champaign to Denver flights
St. Louis to Gunnison flights
Bloomington to Colorado Springs flights
Springfield to Colorado Springs flights
Evansville to Colorado Springs flights
Evansville to Grand Junction flights
Paducah to Denver flights
St. Louis to Hayden flights
Paducah to Colorado Springs flights
Moline to Grand Junction flights
Moline to Vail flights
O'Hare Intl to Cortez flights
Moline to Montrose flights
Marion to Denver flights
Bloomington to Montrose flights
St. Louis to Cortez flights
Evansville to Vail flights

Top airline flying from Springfield to Denver

Discover the top airline that operate flights from Springfield to Denver. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$398FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.