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Cheap flights from Ontario to Springfield from $643

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Springfield departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Springfield

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:04 pm - 12:07 amONT  Ontario-SPI Springfield Capital
9h 03m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
American Airlines Logo
2:51 pm - 10:43 pmSPI  Springfield Capital-ONT Ontario
9h 52m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$643American Airlines
Fri, Oct 2 - Sun, Oct 4
American Airlines Logo
12:59 pm - 12:12 amONT  Ontario-SPI Springfield Capital
9h 13m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
American Airlines Logo
2:51 pm - 9:55 pmSPI  Springfield Capital-ONT Ontario
9h 04m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$669American Airlines
Fri, Sep 4 - Sun, Sep 6
American Airlines Logo
1:04 pm - 12:07 amONT  Ontario-SPI Springfield Capital
9h 03m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
American Airlines Logo
2:51 pm - 10:43 pmSPI  Springfield Capital-ONT Ontario
9h 52m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$696American Airlines
Thu, Oct 1 - Sun, Oct 4
American Airlines Logo
10:29 am - 12:12 amONT  Ontario-SPI Springfield Capital
11h 43m3 stops Dallas/Fort Worth Kansas City Chicago O'Hare Intl
American Airlines Logo
2:51 pm - 9:55 pmSPI  Springfield Capital-ONT Ontario
9h 04m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$993American Airlines
Fri, Sep 4 - Sun, Sep 6
American Airlines Logo
1:04 pm - 12:07 amONT  Ontario-SPI Springfield Capital
9h 03m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
American Airlines Logo
2:51 pm - 10:43 pmSPI  Springfield Capital-ONT Ontario
9h 52m3 stops Chicago O'Hare Intl Dallas/Fort Worth Phoenix Sky Harbor Intl
$1,095American Airlines
Fri, Oct 2 - Sun, Oct 4
American Airlines Logo
1:04 pm - 12:07 amONT  Ontario-SPI Springfield Capital
9h 03m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
American Airlines Logo
2:51 pm - 10:43 pmSPI  Springfield Capital-ONT Ontario
9h 52m3 stops Chicago O'Hare Intl Dallas/Fort Worth Phoenix Sky Harbor Intl
$1,141American Airlines
Thu, Oct 1 - Sun, Oct 4

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American Airlines flights from Ontario to Springfield, Illinois

Our best American Airlines deals on Ontario to Springfield, Illinois flight tickets
American Airlines
Nov 25
ONT1:27 pmOntario
8h 49m
2 stops
SPI12:16 amSpringfield Capital
Dec 5
SPI2:59 pmSpringfield Capital
9h 01m
2 stops
ONT10:00 pmOntario
$481
American Airlines
Oct 2
ONT1:04 pmOntario
9h 03m
2 stops
SPI12:07 amSpringfield Capital
Oct 4
SPI2:51 pmSpringfield Capital
9h 52m
2 stops
ONT10:43 pmOntario
$643
American Airlines
Sep 4
ONT12:59 pmOntario
9h 13m
2 stops
SPI12:12 amSpringfield Capital
Sep 6
SPI2:51 pmSpringfield Capital
9h 04m
2 stops
ONT9:55 pmOntario
$669

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Springfield, Illinois 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Ontario to Springfield, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSpringfield

ONT Ontario - SPI Springfield Capital

ONTSPI

Ontario

Fri 10/2

1:04 pm-12:07 am

2 stops9h 03m

Springfield Capital

Sun 10/4

2:51 pm-10:43 pm

2 stops9h 52m

$643
Quickest round-trip

OntarioSpringfield

ONT Ontario - SPI Springfield Capital

ONTSPI

Ontario

Fri 9/4

12:59 pm-12:12 am

2 stops9h 13m

Springfield Capital

Sun 9/6

2:51 pm-9:55 pm

2 stops9h 04m

$669

OntarioSpringfield

ONT Ontario - SPI Springfield Capital

ONTSPI

Ontario

Thu 10/1

1:04 pm-12:07 am

2 stops9h 03m

Springfield Capital

Sun 10/4

2:51 pm-10:43 pm

2 stops9h 52m

$696

OntarioSpringfield

ONT Ontario - SPI Springfield Capital

ONTSPI

Ontario

Fri 9/4

10:29 am-12:12 am

3 stops11h 43m

Springfield Capital

Sun 9/6

2:51 pm-9:55 pm

2 stops9h 04m

$993

OntarioSpringfield

ONT Ontario - SPI Springfield Capital

ONTSPI

Ontario

Fri 10/2

1:04 pm-12:07 am

2 stops9h 03m

Springfield Capital

Sun 10/4

2:51 pm-10:43 pm

3 stops9h 52m

$1,095

OntarioSpringfield

ONT Ontario - SPI Springfield Capital

ONTSPI

Ontario

Thu 10/1

1:04 pm-12:07 am

2 stops9h 03m

Springfield Capital

Sun 10/4

2:51 pm-10:43 pm

3 stops9h 52m

$1,141

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Springfield from

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

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

What airlines fly to Springfield, Illinois?

Southwest, American Airlines and Frontier are the top three most popular airlines that fly to Springfield, Illinois from Ontario according to our data. Southwest is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Springfield, Illinois. Keep in mind that there are 7 different airlines that fly to Springfield, Illinois on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Springfield, Illinois

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

Cheap Ontario to Springfield, Illinois (ONT to SPI) flight deals and tips

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

Fastest flight time

9h 03m

Direct flights

None
The fastest flight from Ontario to Springfield, Illinois takes 9h 03m
There are no direct flights from Ontario to Springfield, Illinois. There are no popular flight routes from Ontario to Springfield, Illinois.
Search flight deals

Frequently asked questions about flying from Ontario to Springfield, Illinois

  • How far is Ontario to Springfield Capital by plane?

    Ontario and Springfield Capital are 1588.6 mi apart from one another. Typically, this will take 9h 03m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Springfield Capital Airport?

    Prices for flights from Ontario Airport to Springfield Capital Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Springfield Capital Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Springfield Capital Airport.

  • What documentation or ID do you need to fly to Springfield Capital Airport?

    The necessary travel and health documents for your Springfield Capital 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.

Traveling to a place near Springfield?

Book flights to Springfield if you plan to visit one of these locations
Lincoln

Why use momondo?

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

It is quick and easy to find Ontario to Springfield 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 Springfield that suits you.

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

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

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

Once you have performed a search for Ontario to Springfield flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Ontario to Springfield flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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