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$312+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — DEN
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap 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 March 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:06 am
SPI
-
DEN
2 stops11h 55m
Multiple Airlines
Fri 4/2411:59 pm
DEN
-
SPI
1 stop8h 27m
Multiple Airlines
Deal found 3/10$321
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:06 am
SPI
-
DEN
1 stop13h 53m
Multiple Airlines
Tue 4/2111:59 pm
DEN
-
SPI
1 stop8h 27m
Multiple Airlines
Deal found 3/11$332
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/225:45 am
SPI
-
DEN
1 stop6h 59m
American Airlines
Wed 4/297:36 am
DEN
-
SPI
1 stop5h 43m
American Airlines
Deal found 3/8$387
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/15:00 am
SPI
-
DEN
1 stop7h 43m
American Airlines
Tue 4/72:41 pm
DEN
-
SPI
2 stops7h 57m
American Airlines
Deal found 3/8$402
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/225:45 am
SPI
-
DEN
2 stops12h 54m
American Airlines
Sat 4/256:19 am
DEN
-
SPI
1 stop7h 00m
American Airlines
Deal found 3/12$412
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:37 pm
SPI
-
DEN
1 stop5h 00m
American Airlines
Mon 4/65:58 pm
DEN
-
SPI
1 stop4h 34m
American Airlines
Deal found 3/10$427

Find 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$321
(Kiwi.com)

One-way from

$312
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$537
Provider with most accurate pricing for Springfield Capital-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Springfield Capital-Denver Intl flights.
Search Deals
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. 11% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 13, 2026.
Use the filters below to find and compare flights from Springfield to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Wed 4/22

10:06 am-9:01 pm

2 stops11h 55m

Denver Intl

Fri 4/24

11:59 pm-9:26 am

1 stop8h 27m

$321

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sat 4/25

5:45 am-9:57 am

1 stop5h 12m

Denver Intl

Fri 5/1

6:19 am-2:19 pm

1 stop7h 00m

$387

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Wed 4/22

5:45 am-11:44 am

1 stop6h 59m

Denver Intl

Wed 4/29

7:36 am-2:19 pm

1 stop5h 43m

$387

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Mon 4/6

5:00 am-8:47 am

1 stop4h 47m

Denver Intl

Mon 4/13

11:46 am-11:38 pm

2 stops10h 52m

$402

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Wed 4/22

5:45 am-11:44 am

1 stop6h 59m

Denver Intl

Sat 4/25

7:36 am-2:19 pm

1 stop5h 43m

$407
Quickest round-trip

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sat 5/16

5:45 am-11:44 am

1 stop6h 59m

Denver Intl

Thu 5/21

5:41 pm-11:47 pm

1 stop5h 06m

$407

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Wed 4/1

5:00 am-1:24 pm

2 stops9h 24m

Denver Intl

Mon 4/6

8:07 am-6:03 pm

2 stops8h 56m

$437
Cheapest one-way

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Thu 4/16

5:45 am-4:18 pm

2 stops11h 33m

$312
Quickest one-way

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sun 6/28

6:00 am-11:36 am

1 stop6h 36m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Sorted by cheapest first

Compare providers for flights from Springfield 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 Springfield to Denver in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Springfield, Illinois-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Springfield, Illinois-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Springfield, Illinois-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Springfield, 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 Springfield, 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 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, September is the cheapest month in which you can book a flight from Springfield, Illinois to Denver (average of $48). Flying from Springfield, Illinois to Denver in June is currently the most expensive (average of $109). 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.

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 March 13, 2026.
Read through reviews of airlines operating flights from Springfield to Denver, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,432 reviews

Overall

7.1

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,432 reviews
American Airlines
7.1
Good
11,432 reviews

Overall

7.1

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

  • How long is the flight from Springfield, Illinois to Denver?

    For as low as $387, American Airlines can have you in Denver from Springfield, Illinois in 5h 12m. The distance between Springfield, Illinois and Denver is about 794 mi.

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

    According to our current data, American Airlines ($366), offers the cheapest pricing from Springfield, Illinois to Denver. American Airlines is priced at 23% 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, September is the cheapest month in which you can book a flight from Springfield, Illinois to Denver (average of $48). Flying from Springfield, Illinois to Denver in June is currently the most expensive (average of $109). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

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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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$366Average$458FlexibilityNo cancel feeOn-time71%

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