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$81+ Cheap flights from Spokane (GEG) to Illinois

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Spokane to Illinois

Keep the following information in mind while searching for Spokane to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$183
(Delta)

One-way from

$81
(Southwest)

Popular in

April

Cheapest in

January

Average price

$286

Good round-trip deal

$321 or less

Good one-way deal

$183 or less
From Spokane to Illinois
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One-way flight from Spokane to Illinois
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Spokane to Illinois.
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Price to beat on a one-way flight from Spokane to Illinois.
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Find flight deals from Spokane to Illinois

Cheapest flights from Spokane to Illinois
Explore the most affordable flight options available from Spokane to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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.
Wed 10/83:37 pmGEG - ORD
1 stop6h 13mDelta
Wed 10/156:05 pmORD - GEG
1 stop7h 54mDelta
Deal found 9/13$183
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:25 amGEG - ORD
Nonstop3h 37mUnited Airlines
Mon 11/249:15 amORD - GEG
Nonstop4h 16mUnited Airlines
Deal found 9/12$190
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:59 pmGEG - ORD
1 stop7h 23mAlaska Airlines
Mon 11/36:00 amORD - GEG
1 stop8h 26mAlaska Airlines
Deal found 9/13$195
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:25 amGEG - MDW
1 stop6h 50mSouthwest
Mon 11/246:35 pmMDW - GEG
1 stop7h 20mSouthwest
Deal found 9/12$199
This Delta deal was found by Cheapflights users on 9/13. 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.
Mon 10/271:10 pmGEG - ORD
1 stop6h 33mDelta
Tue 11/48:57 amORD - GEG
1 stop6h 08mDelta
Deal found 9/13$199
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:03 pmGEG - ORD
1 stop10h 12mFrontier
Sun 11/96:00 amORD - GEG
1 stop7h 08mFrontier
Deal found 9/14$204
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:35 amGEG - STL
1 stop14h 24mAlaska Airlines
Tue 11/47:00 amSTL - GEG
1 stop7h 26mAlaska Airlines
Deal found 9/13$206
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amGEG - ORD
2 stops8h 28mDelta
Mon 11/241:38 pmORD - GEG
2 stops9h 23mDelta
Deal found 9/12$209
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/1811:46 amGEG - ORD
1 stop7h 04mHawaiian Airlines
Sat 10/256:00 amORD - GEG
1 stop8h 37mHawaiian Airlines
Deal found 9/14$211
This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:47 pmGEG - ORD
1 stop8h 34mHawaiian Airlines
Tue 12/95:51 pmORD - GEG
1 stop7h 19mHawaiian Airlines
Deal found 9/14$214
This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 10/185:45 amGEG - MDW
1 stop5h 23mDelta
Sat 10/259:20 amMDW - GEG
1 stop5h 45mDelta
Deal found 9/14$215
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/187:15 amGEG - ORD
1 stop8h 03mDelta
Sat 10/257:37 amORD - GEG
1 stop9h 20mDelta
Deal found 9/13$215

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spokane to 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, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Spokane to Illinois that are best for you.

Fly from

Spokane

Fly to

Illinois

Route

Depart

Return

Price

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 10/8

3:37 pm-11:50 pm

1 stop6h 13m

Chicago O'Hare Intl

Wed 10/15

6:05 pm-11:59 pm

1 stop7h 54m

$183

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 11/19

11:25 am-5:02 pm

Nonstop3h 37m

Chicago O'Hare Intl

Mon 11/24

9:15 am-11:31 am

Nonstop4h 16m

$190

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

Wed 11/19

6:05 am-5:35 pm

2 stops9h 30m

Chicago Midway

Mon 11/24

6:35 pm-11:55 pm

1 stop7h 20m

$204

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Wed 11/19

6:05 am-5:18 pm

1 stop9h 13m

Chicago O'Hare Intl

Mon 11/24

1:38 pm-9:01 pm

2 stops9h 23m

$204

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 10/30

7:35 am-11:59 pm

1 stop14h 24m

Lambert-St Louis

Tue 11/4

7:00 am-12:26 pm

1 stop7h 26m

$206

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 12/6

7:47 pm-6:21 am

1 stop8h 34m

Chicago O'Hare Intl

Sat 12/13

3:05 pm-11:59 pm

1 stop10h 54m

$214

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Fri 10/24

7:00 am-6:59 pm

1 stop9h 59m

Chicago O'Hare Intl

Mon 10/27

2:54 pm-11:56 pm

1 stop11h 02m

$214

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Sat 12/6

1:14 pm-7:17 pm

Nonstop4h 03m

Chicago O'Hare Intl

Sat 12/13

10:25 am-12:30 pm

Nonstop4h 05m

$215

SpokaneChicago

GEG - MDW

GEGMDW

Spokane

Sat 10/18

5:45 am-1:08 pm

1 stop5h 23m

Chicago Midway

Sat 10/25

9:20 am-1:05 pm

1 stop5h 45m

$215

SpokaneChicago

GEG - ORD

GEGORD

Spokane

Tue 11/4

5:05 am-1:30 pm

1 stop6h 25m

Chicago O'Hare Intl

Tue 11/4

6:05 pm-10:48 pm

1 stop6h 43m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 59 results
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Best time to book a flight from Spokane to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Spokane to Illinois (average of $245). Flying from Spokane to Illinois in March is currently the most expensive (average of $321). 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 GEG to IL?

Find hourly flight availability from Spokane to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Spokane to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Spokane to Illinois

Explore weekly flight availability from Spokane to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from GEG to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 15, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Spokane to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,929 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Spokane to Illinois. 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 from for flights from Spokane to Illinois?

    If you book a flight to Illinois from Spokane, you will be flying from Spokane, which is the city’s only airport. Spokane (GEG) is located 5.6 mi from the center of Spokane.

  • How long is the flight from Spokane to Illinois?

    Airlines like Delta, United Airlines, and Southwest fly from Spokane to Illinois in about 3h 37m. The time it takes to get you to your destination can typically vary by up to 5h 53m. Airlines will cover a distance of 1493 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Spokane to Illinois one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $81. However, be on the lookout for offers from Delta and Frontier, as they are both options that can get you from Spokane to Illinois for a low price.

  • What are the most popular routes from Spokane to Illinois?

    While some choose either Spokane - Lambert-St Louis or Spokane - Chicago Midway, Spokane - Chicago O'Hare Intl is the most popular route from Spokane to Illinois.

  • What are the most reliable airlines from Spokane to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Spokane to Illinois on time: SkyWest Airlines (68%), United Airlines (68%), Air Canada (53%).

  • What are the cheapest flights from Spokane to Illinois?

    While on average a flight from Spokane to Illinois is generally $1,828, our data shows the cheapest flight currently is $93. When looking at the most popular route, (Spokane - Chicago O'Hare Intl), you can expect to pay $189 for that flight.

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

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

  • How can I find direct flights from Spokane to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Spokane to Illinois 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 Spokane to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Spokane to Illinois (average of $245). Flying from Spokane to Illinois in March is currently the most expensive (average of $321). 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.

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Alternative routes for Spokane to Illinois

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Top 5 airlines flying from Spokane to Illinois

Discover the top 5 airlines that operate flights from Spokane to Illinois. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$321FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$367FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$199Average$419FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$219Average$394FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$240Average$448FlexibilityNo cancel feeOn-time69%

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