$299 Cheap Flights from Springfield (SPI) to Denver (DEN)

View $299 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Springfield, IL (SPI-Abraham Lincoln Capital) to Denver Intl. Airport (DEN)

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Cheap Flights from Springfield to Denver (SPI-DEN)

Prices were available within the past 7 days and start at $299 for one-way flights and $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 15 - Sat, Sep 20
SPI
Springfield
DEN
Denver
$367 Roundtrip, found 6 hours ago
$367
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Springfield to Denver, returning Sat, Sep 20, priced at $367 found 6 hours ago
American Airlines
Mon, Sep 15 - Sat, Sep 20
SPI
Springfield
DEN
Denver
$372 Roundtrip, found 6 hours ago
$372
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Springfield to Denver, returning Sat, Sep 20, priced at $372 found 6 hours ago
American Airlines
Sat, Feb 7 - Tue, Feb 10
SPI
Springfield
DEN
Denver
$377 Roundtrip, found 15 hours ago
$377
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Feb 7 from Springfield to Denver, returning Tue, Feb 10, priced at $377 found 15 hours ago
American Airlines
Sat, Aug 16 - Mon, Aug 18
SPI
Springfield
DEN
Denver
$387 Roundtrip, found 5 days ago
$387
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Aug 16 from Springfield to Denver, returning Mon, Aug 18, priced at $387 found 5 days ago
American Airlines
Sat, Aug 16 - Mon, Aug 18
SPI
Springfield
DEN
Denver
$392 Roundtrip, found 5 days ago
$392
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Aug 16 from Springfield to Denver, returning Mon, Aug 18, priced at $392 found 5 days ago
American Airlines
Sat, Aug 16 - Mon, Aug 18
SPI
Springfield
DEN
Denver
$397 Roundtrip, found 5 days ago
$397
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Aug 16 from Springfield to Denver, returning Mon, Aug 18, priced at $397 found 5 days ago
American Airlines
Thu, Aug 14 - Thu, Aug 21
SPI
Springfield
DEN
Denver
$407 Roundtrip, found 10 hours ago
$407
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Springfield to Denver, returning Thu, Aug 21, priced at $407 found 10 hours ago
American Airlines
Thu, Aug 14 - Thu, Aug 21
SPI
Springfield
DEN
Denver
$412 Roundtrip, found 10 hours ago
$412
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Springfield to Denver, returning Thu, Aug 21, priced at $412 found 10 hours ago
American Airlines
Fri, Aug 29 - Sun, Aug 31
SPI
Springfield
DEN
Denver
$424 Roundtrip, found 2 days ago
$424
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 29 from Springfield to Denver, returning Sun, Aug 31, priced at $424 found 2 days ago
American Airlines
Fri, Aug 15 - Mon, Aug 18
SPI
Springfield
DEN
Denver
$427 Roundtrip, found 10 hours ago
$427
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Aug 15 from Springfield to Denver, returning Mon, Aug 18, priced at $427 found 10 hours ago

Find the cheapest month to fly from Springfield (SPI) to Denver (DEN)

September is typically the cheapest month to fly

From $286 - $779 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $427
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $427
Flights from Springfield (SPI) to Denver (DEN)
Origin airport
Abraham Lincoln Capital
Destination airport
Denver Intl.
Airlines serving
American Airlines
Roundtrip price
$366
Distance
794 mi

Springfield to Denver Flights

The cheapest times to fly from Springfield to Denver

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 Springfield to Denver are during the month of September. You can find some of the cheapest flights from Springfield to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Springfield to Denver

Sunday is one of the best days to book for cheap flights from Springfield to Denver: 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 Springfield to Denver

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 Springfield to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $299 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 Springfield to Denver 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 Springfield to Denver 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.

 

Frequently asked questions

How much does a flight from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN) cost?
Discover the latest flight deals from SPI to DEN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SPI to DEN?
The cheapest flights from SPI to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN)?
You can't fly nonstop from Springfield, IL (SPI-Abraham Lincoln Capital) to Denver Intl. Airport (DEN). However, you can easily journey to Denver without any layovers by leaving from Greater Peoria Regional Airport (PIA).
What is the cheapest airline that flies from SPI to DEN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SPI to DEN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN)?
There aren't any daily nonstop flights from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SPI to DEN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN)?
To arrive at Denver Intl. Airport (DEN) on time, pick a flight that leaves from Abraham Lincoln Capital Airport (SPI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN) last-minute?
Booking your plane ticket from SPI to DEN right before your trip is typically more expensive. But if there's some wiggle room with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SPI to DEN flight and hotel package?
You can save money by booking a SPI to DEN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN)?
Usually, it's possible to cancel or reschedule your SPI to DEN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.