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Saint George

$288+ Cheap flights from Illinois to Saint George (SGU)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SGU
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Illinois to Saint George

Keep the following information in mind while searching for Illinois to Saint George flight deals. Data was last updated August 21, 2025.

Round-trip from

$258
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$313
From Illinois to Saint George
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Illinois to Saint George

Cheapest flights from Illinois to Saint George
Explore the most affordable flight options available from Illinois to Saint George. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:50 amORD - SGU
1 stop8h 31mUnited Airlines
Mon 9/85:33 pmSGU - ORD
1 stop5h 26mUnited Airlines
Deal found 8/20$308
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 11/2711:45 amORD - SGU
1 stop6h 52mAmerican Airlines
Thu 11/278:47 pmSGU - ORD
1 stop7h 28mAmerican Airlines
Deal found 8/20$333
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:00 amORD - SGU
1 stop5h 56mUnited Airlines
Thu 9/411:25 amSGU - ORD
1 stop8h 00mUnited Airlines
Deal found 8/21$338
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:48 amMLI - SGU
1 stop5h 19mUnited Airlines
Sat 12/131:45 pmSGU - MLI
1 stop6h 26mUnited Airlines
Deal found 8/20$338
This American Airlines deal was found by Cheapflights users on 8/21. 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 10/82:34 pmORD - SGU
1 stop8h 00mAmerican Airlines
Wed 10/154:45 pmSGU - ORD
1 stop6h 45mAmerican Airlines
Deal found 8/21$339
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/187:00 pmORD - SGU
1 stop6h 10mAmerican Airlines
Mon 9/2911:36 amSGU - ORD
1 stop10h 41mAmerican Airlines
Deal found 8/19$354
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:50 amORD - SGU
1 stop8h 31mUnited Airlines
Tue 9/95:33 pmSGU - ORD
1 stop5h 26mUnited Airlines
Deal found 8/18$363
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:28 pmORD - SGU
1 stop5h 28mUnited Airlines
Thu 10/25:30 pmSGU - ORD
1 stop5h 29mUnited Airlines
Deal found 8/19$383
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:15 amORD - SGU
1 stop8h 25mDelta
Tue 11/259:05 amSGU - ORD
2 stops11h 47mDelta
Deal found 8/20$390
This American Airlines deal was found by Cheapflights users on 8/20. 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 12/1011:24 amMLI - SGU
2 stops10h 56mAmerican Airlines
Sat 12/135:30 amSGU - MLI
1 stop7h 51mAmerican Airlines
Deal found 8/20$419
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amMDW - SGU
2 stops11h 52mDelta
Sat 10/46:00 amSGU - MDW
2 stops10h 35mDelta
Deal found 8/20$514
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 9/55:40 pmMLI - SGU
2 stops18h 18mAmerican Airlines
Mon 9/87:30 amSGU - MLI
2 stops13h 02mAmerican Airlines
Deal found 8/20$538

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Saint George 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 August 21, 2025.
Use the filters below to find and compare flights from Illinois to Saint George that are best for you.

Fly from

Illinois

Fly to

Saint George

Route

Depart

Return

Price

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Thu 9/4

8:50 am-4:21 pm

1 stop8h 31m

Saint George

Mon 9/8

5:33 pm-11:59 pm

1 stop5h 26m

$308

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Fri 9/5

5:00 am-9:56 am

1 stop5h 56m

Saint George

Tue 9/9

11:25 am-8:25 pm

1 stop8h 00m

$308

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Sat 9/20

8:50 am-4:21 pm

1 stop8h 31m

Saint George

Thu 9/25

11:25 am-6:52 pm

1 stop6h 27m

$338

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Sat 8/30

5:00 am-9:56 am

1 stop5h 56m

Saint George

Thu 9/4

11:25 am-8:25 pm

1 stop8h 00m

$338

MolineSaint George

MLI - SGU

MLISGU

Moline Quad-City

Wed 12/10

8:48 am-1:07 pm

1 stop5h 19m

Saint George

Sat 12/13

1:45 pm-9:11 pm

1 stop6h 26m

$338

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Wed 10/8

2:34 pm-9:34 pm

1 stop8h 00m

Saint George

Wed 10/15

4:45 pm-12:30 am

1 stop6h 45m

$339

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Thu 9/18

7:00 pm-12:10 am

1 stop6h 10m

Saint George

Mon 9/29

11:36 am-11:17 pm

1 stop10h 41m

$354

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Tue 10/28

3:22 pm-9:34 pm

1 stop7h 12m

Saint George

Sun 11/2

5:20 am-1:04 pm

1 stop6h 44m

$357

ChicagoSaint George

ORD - SGU

ORDSGU

Chicago O'Hare Intl

Sat 9/6

8:50 am-4:21 pm

1 stop8h 31m

Saint George

Tue 9/9

5:33 pm-11:59 pm

1 stop5h 26m

$363

MolineSaint George

MLI - SGU

MLISGU

Moline Quad-City

Wed 12/10

11:24 am-9:20 pm

2 stops10h 56m

Saint George

Sat 12/13

5:30 am-2:21 pm

1 stop7h 51m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 19 results
1
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Best time to book a flight from Illinois to Saint George

Have a flexible travel schedule? Discover the best time to fly to Saint George from Illinois 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 Illinois to Saint George

What is the cheapest month to book a flight from Illinois to Saint George?

Currently, November is the cheapest month in which you can book a flight from Illinois to Saint George (average of $323). Flying from Illinois to Saint George in May is currently the most expensive (average of $503). 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.

What is the cheapest time of day to fly from IL to SGU?

Find hourly flight availability from Illinois to Saint George. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Saint George as you normally would.

Related info for your journey

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

  • What airport do you fly into for flights to Saint George from Illinois?

    Saint George (SGU), located 1.4 mi from the city center, is the airport you fly into when you book flights from Illinois to Saint George.

  • How long is the flight from Illinois to Saint George?

    Airlines like United Airlines, American Airlines, and Delta fly from Illinois to Saint George in about 8h. The time it takes to get you to your destination can typically vary by up to 3h 52m. The distance between Illinois and Saint George is about 1403 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Illinois to Saint George?

    When deciding which route to take from Illinois to Saint George consider Chicago O'Hare Intl - Saint George, Chicago Midway - Saint George or Moline Quad-City - Saint George as they are the most popular.

  • Can I find deals for flights from Illinois to Saint George that include hotel bookings?

    Yes. In addition to deals on Illinois to Saint George flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Saint George?

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

  • Can I find deals for business class flights from Illinois to Saint George?

    Yes. Cheapflights offers flight deals from Illinois to Saint George 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 Illinois to Saint George?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Saint George (average of $323). Flying from Illinois to Saint George in May is currently the most expensive (average of $503). 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 Saint George?

Book flights to Saint George if you plan to visit one of these locations
Hurricane
Springdale

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Alternative routes for Illinois to Saint George

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Saint George

Discover the top 3 airlines that operate flights from Illinois to Saint George. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$313FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$518FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$271Average$489FlexibilityNo cancel feeOn-time69%

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