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$130+ Cheap flights from Illinois to Pasco (PSC)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PSC
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Illinois to Pasco

Keep the following information in mind while searching for Illinois to Pasco flight deals. Data was last updated July 3, 2025.

Round-trip from

$268
(Trip.com)

One-way from

$130
(Hawaiian Airlines)

Popular in

January

Cheapest in

October

Average price

$601
From Illinois to Pasco Tri Cities
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One-way flight from Illinois to Pasco Tri Cities
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Highest demand for flights based on searches. 13% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Illinois to Pasco

Cheapest flights from Illinois to Pasco
Explore the most affordable flight options available from Illinois to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:00 amORD - PSC
1 stop9h 06mHawaiian Airlines
Sat 8/231:05 pmPSC - ORD
1 stop8h 54mHawaiian Airlines
Deal found 7/2$268
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/168:00 amORD - PSC
1 stop6h 39mAlaska Airlines
Sat 8/234:03 pmPSC - ORD
1 stop5h 56mAlaska Airlines
Deal found 7/2$279
This Delta deal was found by Cheapflights users on 7/2. 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 8/1611:05 amORD - PSC
2 stops13h 22mDelta
Sat 8/236:50 amPSC - ORD
1 stop6h 14mDelta
Deal found 7/2$284
This Delta deal was found by Cheapflights users on 7/2. 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 8/161:43 pmMDW - PSC
1 stop8h 00mDelta
Sat 8/235:45 amPSC - MDW
2 stops9h 52mDelta
Deal found 7/2$314
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/110:50 amMLI - PSC
2 stops12h 12mUnited Airlines
Tue 11/45:05 amPSC - MLI
2 stops9h 32mUnited Airlines
Deal found 7/1$341
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sun 8/177:32 pmSTL - PSC
1 stop17h 20mHawaiian Airlines
Sun 8/247:55 pmPSC - STL
1 stop16h 44mHawaiian Airlines
Deal found 7/3$384
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 7/223:49 pmORD - PSC
1 stop9h 31mAmerican Airlines
Wed 7/302:55 pmPSC - ORD
1 stop7h 53mAmerican Airlines
Deal found 7/1$427
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/157:32 pmSTL - PSC
1 stop19h 07mAlaska Airlines
Sun 8/177:52 pmPSC - STL
1 stop20h 43mAlaska Airlines
Deal found 7/1$428
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/233:55 pmPIA - PSC
2 stops30h 40mUnited Airlines
Tue 8/265:30 amPSC - PIA
2 stops9h 13mUnited Airlines
Deal found 7/1$489
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 7/311:29 pmSTL - PSC
2 stops12h 02mDelta
Thu 8/75:15 pmPSC - STL
1 stop5h 23mDelta
Deal found 7/3$504
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/22:35 pmORD - PSC
1 stop8h 26mUnited Airlines
Thu 7/312:45 pmPSC - ORD
1 stop6h 25mUnited Airlines
Deal found 7/1$587
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/185:41 pmSTL - PSC
1 stop7h 07mUnited Airlines
Tue 7/226:38 amPSC - STL
2 stops12h 07mUnited Airlines
Deal found 7/3$605

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Pasco 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 July 3, 2025.
Use the filters below to find and compare flights from Illinois to Pasco that are best for you.

Fly from

Illinois

Fly to

Pasco

Route

Depart

Return

Price

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 8/16

8:00 am-3:06 pm

1 stop9h 06m

Pasco Tri Cities

Sat 8/23

1:05 pm-11:59 pm

1 stop8h 54m

$268

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 8/16

8:00 am-12:39 pm

1 stop6h 39m

Pasco Tri Cities

Sat 8/23

4:03 pm-11:59 pm

1 stop5h 56m

$279

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 8/16

11:05 am-10:27 pm

2 stops13h 22m

Pasco Tri Cities

Sat 8/23

6:50 am-3:04 pm

1 stop6h 14m

$284

ChicagoPasco

MDW - PSC

MDWPSC

Chicago Midway

Sat 8/16

1:43 pm-7:43 pm

1 stop8h 00m

Pasco Tri Cities

Sat 8/23

5:45 am-5:37 pm

2 stops9h 52m

$314

MolinePasco

MLI - PSC

MLIPSC

Moline Quad-City

Sat 11/1

10:50 am-9:02 pm

2 stops12h 12m

Pasco Tri Cities

Tue 11/4

5:05 am-4:37 pm

2 stops9h 32m

$341

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sun 8/17

7:32 pm-10:52 am

1 stop17h 20m

Pasco Tri Cities

Sun 8/24

7:55 pm-2:39 pm

1 stop16h 44m

$384

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 7/22

3:49 pm-11:20 pm

1 stop9h 31m

Pasco Tri Cities

Wed 7/30

2:55 pm-12:48 am

1 stop7h 53m

$427

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 8/15

7:32 pm-12:39 pm

1 stop19h 07m

Pasco Tri Cities

Sun 8/17

7:52 pm-6:35 pm

1 stop20h 43m

$428

PeoriaPasco

PIA - PSC

PIAPSC

Greater Peoria

Sat 8/23

3:55 pm-8:35 pm

2 stops30h 40m

Pasco Tri Cities

Tue 8/26

5:30 am-4:43 pm

2 stops9h 13m

$489

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 7/31

1:29 pm-11:31 pm

2 stops12h 02m

Pasco Tri Cities

Thu 8/7

5:15 pm-12:38 am

1 stop5h 23m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 20 results
1
2

Best time to book a flight from Illinois to Pasco

Have a flexible travel schedule? Discover the best time to fly to Pasco 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 Pasco

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Pasco (average of $349). Flying from Illinois to Pasco in July is currently the most expensive (average of $442). 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 PSC?

Find hourly flight availability from Illinois to Pasco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

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

Reviews of airlines servicing Pasco

Get insights into the airlines that provide service to Pasco. 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 Pasco. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Illinois to Pasco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

    Pasco Tri Cities (PSC) is the airport you will fly into if you book a flight from Illinois to Pasco. It is only a 1.9 mi journey from Tri Cities (PSC) to Pasco’s city center.

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

    $130 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $136 and $189, respectively.

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

    The most popular flight routes from Illinois to Pasco are Chicago O'Hare Intl - Pasco Tri Cities, Lambert-St Louis - Pasco Tri Cities and Chicago Midway - Pasco Tri Cities.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Pasco (average of $349). Flying from Illinois to Pasco in July is currently the most expensive (average of $442). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Kennewick
Richland

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Alternative routes for Illinois to Pasco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Pasco

Discover the top 2 airlines that operate flights from Illinois to Pasco. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$294Average$356FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$312Average$457FlexibilityNo cancel feeOn-time75%

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