What airlines fly to Denver?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Springfield, Illinois according to our data. Frontier is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Springfield Capital to Denver Intl?

Allegiant Air and American Airlines are the most popular carriers operating from Springfield Capital to Denver Intl

When did momondo last update prices for flights from Springfield Capital Airport to Denver Intl Airport?

Prices for flights from Springfield Capital Airport to Denver Intl Airport refresh daily.

How many operators does momondo search for flights from Springfield Capital Airport to Denver Intl Airport?

The number of operators available for flights from Springfield Capital Airport to Denver Intl Airport is 1 as of May 2026.

How old do you have to be to fly from Springfield Capital Airport to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Springfield Capital Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$325 Cheap Flights from Springfield, Illinois to Denver in 2026

Q: What is the typical price of a round-trip flight between Springfield, Illinois and Denver?

Prices are currently low for flights on this route. Typical prices usually range from $568 to $432. The lowest price recently found on this route was $407.

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Find the cheapest flights from Springfield, Illinois to Denver

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:38 am

SPI

DEN

6h 38m

1 stop

5:45 pm - 12:07 am

DEN

SPI

5h 22m

1 stop

$407American Airlines

Di, Jun 9 - Di, Jun 16

6:00 am - 3:32 pm

SPI

DEN

10h 32m

2 stops

5:45 pm - 12:07 am

DEN

SPI

5h 22m

1 stop

$412American Airlines

Di, Jun 9 - Di, Jun 16

6:00 am - 11:38 am

SPI

DEN

6h 38m

1 stop

7:05 am - 2:09 pm

DEN

SPI

6h 04m

1 stop

$417American Airlines

Di, Jun 9 - Di, Jun 16

7:31 pm - 3:18 pm

SPI

DEN

20h 47m

1 stop

11:49 pm - 6:51 pm

DEN

SPI

18h 02m

1 stop

$419Multiple Airlines

Mi, Jul 22 - Di, Jul 28

2:39 pm - 10:59 pm

SPI

DEN

9h 20m

2 stops

7:05 am - 2:09 pm

DEN

SPI

6h 04m

1 stop

$422American Airlines

Di, Jun 9 - Di, Jun 16

5:00 am - 11:48 am

SPI

DEN

7h 48m

1 stop

5:45 pm - 12:07 am

DEN

SPI

5h 22m

1 stop

$427American Airlines

Sa, Jun 20 - Sa, Jun 27

6:00 am - 3:32 pm

SPI

DEN

10h 32m

2 stops

1:57 pm - 12:07 am

DEN

SPI

9h 10m

2 stops

$428American Airlines

Di, Jun 9 - Di, Jun 16

5:00 am - 11:48 am

SPI

DEN

7h 48m

1 stop

10:25 am - 12:07 am

DEN

SPI

12h 42m

2 stops

$432American Airlines

Sa, Jun 20 - Sa, Jun 27

5:00 am - 2:21 pm

SPI

DEN

10h 21m

2 stops

10:25 am - 12:07 am

DEN

SPI

12h 42m

2 stops

$437American Airlines

Sa, Jun 20 - Sa, Jun 27

7:31 pm - 3:18 pm

SPI

DEN

20h 47m

1 stop

11:49 pm - 7:41 pm

DEN

SPI

18h 52m

1 stop

$457Multiple Airlines

Mi, Jul 22 - Fr, Jul 24

American Airlines flights from Springfield, Illinois to Denver

Our best American Airlines deals on Springfield, Illinois to Denver flight tickets

American Airlines

Jun 9

SPI6:00 amSpringfield Capital

6h 38m

1 stop

DEN11:38 amDenver Intl

Jun 16

DEN5:45 pmDenver Intl

5h 22m

1 stop

SPI12:07 amSpringfield Capital

$407

American Airlines

Jun 9

SPI6:00 amSpringfield Capital

10h 32m

2 stops

DEN3:32 pmDenver Intl

Jun 16

DEN5:45 pmDenver Intl

5h 22m

1 stop

SPI12:07 amSpringfield Capital

$412

American Airlines

Jun 9

SPI6:00 amSpringfield Capital

6h 38m

1 stop

DEN11:38 amDenver Intl

Jun 16

DEN7:05 amDenver Intl

6h 04m

1 stop

SPI2:09 pmSpringfield Capital

$417

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Di 6/9

6:00 am-11:38 am

1 stop6h 38m

Denver Intl

Di 6/16

5:45 pm-12:07 am

1 stop5h 22m

$407

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Di 6/9

6:00 am-3:32 pm

2 stops10h 32m

Denver Intl

Di 6/16

5:45 pm-12:07 am

1 stop5h 22m

$412

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Di 6/9

6:00 am-11:38 am

1 stop6h 38m

Denver Intl

Di 6/16

7:05 am-2:09 pm

1 stop6h 04m

$417

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Mi 7/22

7:31 pm-3:18 pm

1 stop20h 47m

Denver Intl

Di 7/28

11:49 pm-6:51 pm

1 stop18h 02m

$419

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Di 6/9

2:39 pm-10:59 pm

2 stops9h 20m

Denver Intl

Di 6/16

7:05 am-2:09 pm

1 stop6h 04m

$422

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sa 6/20

5:00 am-11:48 am

1 stop7h 48m

Denver Intl

Sa 6/27

5:45 pm-12:07 am

1 stop5h 22m

$427

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Di 6/9

6:00 am-3:32 pm

2 stops10h 32m

Denver Intl

Di 6/16

1:57 pm-12:07 am

2 stops9h 10m

$428

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sa 6/20

5:00 am-11:48 am

1 stop7h 48m

Denver Intl

Sa 6/27

10:25 am-12:07 am

2 stops12h 42m

$432

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Sa 6/20

5:00 am-2:21 pm

2 stops10h 21m

Denver Intl

Sa 6/27

10:25 am-12:07 am

2 stops12h 42m

$437

SpringfieldDenver

SPI - DEN

SPIDEN

Springfield Capital

Mi 7/22

7:31 pm-3:18 pm

1 stop20h 47m

Denver Intl

Fr 7/24

11:49 pm-7:41 pm

1 stop18h 52m

$457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Springfield, Illinois to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Springfield, Illinois and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Springfield, Illinois is in March. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in March, then you should wait until August to fly from Springfield, Illinois, when ticket prices are also cheap, with an average price of $366.

When to book flights from Springfield, Illinois to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Springfield, Illinois to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Springfield, Illinois to Denver (SPI to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Springfield, Illinois to Denver

Fastest flight time	6h 35m
Direct flights	None

The fastest flight from Springfield, Illinois to Denver takes 6h 35m

There are no direct flights from Springfield, Illinois to Denver. There are no popular flight routes from Springfield, Illinois to Denver.

Search flight deals

Frequently asked questions about flying from Springfield, Illinois to Denver

How far is Springfield Capital to Denver Intl by plane?
A flight from Springfield Capital to Denver Intl will travel around 813.1 mi. In terms of flight time, this usually takes a little over 6h 35m.
When did momondo last update prices for flights from Springfield Capital Airport to Denver Intl Airport?
Prices for flights from Springfield Capital Airport to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Springfield Capital Airport to Denver Intl Airport?
The number of operators available for flights from Springfield Capital Airport to Denver Intl Airport is 1 as of May 2026.
How old do you have to be to fly from Springfield Capital Airport to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Springfield Capital Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Springfield, Illinois to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Springfield, Illinois to Denver is American Airlines (100% of total bookings).

Best airlines flying from Springfield, Illinois to Denver

Compare and see reviews for airlines that fly from Springfield, Illinois to Denver with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $366	Free Cancellation	Rating 7.1 11,665 reviews		Search American Airlines flights

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Manitou Springs

Boulder

Longmont

Greeley

Keystone

Lakewood

Westminster

Cripple Creek

Thornton

Frisco

Centennial

Englewood

Winter Park

Grand Lake

Copper Mountain

Why use momondo?

Why should I use momondo to find a flight deal from Springfield to Denver?

It is quick and easy to find Springfield to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from Springfield to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Springfield with this policy.

How can momondo help me find flights from Springfield to Denver?

momondo helps you find the best flight between Springfield and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Springfield to Denver right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Springfield to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.