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$117+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PSC
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Delta)

One-way from

$117
(Delta)

Popular in

February

Cheapest in

October

Average price

$1,131
Provider with most accurate pricing for Chicago (CHI)-Pasco Tri Cities flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Pasco Tri Cities flights.
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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. 30% potential increase in price ($248 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:00 amORD - PSC
1 stop13h 08mAlaska Airlines
Wed 4/98:38 amPSC - ORD
1 stop19h 02mAlaska Airlines
Deal found 2/20$229
This Delta deal was found by Cheapflights users on 2/20. 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 4/19:25 amMDW - PSC
2 stops9h 06mDelta
Tue 4/85:00 amPSC - MDW
2 stops25h 43mDelta
Deal found 2/20$234
This Delta deal was found by Cheapflights users on 2/20. 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.
Mon 4/77:15 pmORD - PSC
2 stops17h 35mDelta
Tue 4/85:45 pmPSC - ORD
1 stop17h 39mDelta
Deal found 2/20$258
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/181:48 pmSTL - PSC
2 stops12h 11mDelta
Tue 3/2511:32 amPSC - STL
2 stops7h 34mDelta
Deal found 2/18$271
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/187:25 amSTL - PSC
1 stop8h 10mAmerican Airlines
Tue 3/253:15 pmPSC - STL
1 stop6h 43mAmerican Airlines
Deal found 2/18$307
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/261:08 pmMLI - PSC
2 stops9h 43mAlaska Airlines
Tue 4/295:56 pmPSC - MLI
2 stops14h 50mAlaska Airlines
Deal found 2/20$389
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1010:49 amORD - PSC
1 stop11h 51mMultiple Airlines
Fri 3/149:25 pmPSC - ORD
1 stop7h 17mMultiple Airlines
Deal found 2/19$406
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/32:35 pmORD - PSC
1 stop8h 13mUnited Airlines
Tue 4/81:35 pmPSC - ORD
1 stop7h 52mUnited Airlines
Deal found 2/20$408
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/213:11 pmSTL - PSC
1 stop7h 57mAlaska Airlines
Mon 3/247:23 amPSC - STL
2 stops38h 36mAlaska Airlines
Deal found 2/19$433
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:30 pmSTL - PSC
1 stop6h 19mHawaiian Airlines
Mon 7/143:45 pmPSC - STL
1 stop6h 11mHawaiian Airlines
Deal found 2/19$537
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/268:55 amMLI - PSC
1 stop13h 53mUnited Airlines
Tue 4/296:15 amPSC - MLI
2 stops12h 48mUnited Airlines
Deal found 2/20$564
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/187:30 amSTL - PSC
2 stops18h 00mUnited Airlines
Tue 3/2512:50 pmPSC - STL
3 stops24h 41mUnited Airlines
Deal found 2/18$610

Find flights from Illinois to Pasco within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Pasco

Route

Depart

Return

Price

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 4/1

10:00 am-9:08 pm

1 stop13h 08m

Pasco Tri Cities

Wed 4/9

8:38 am-5:40 am

1 stop19h 02m

$229

ChicagoPasco

MDW - PSC

MDWPSC

Chicago Midway

Tue 4/1

9:25 am-4:31 pm

2 stops9h 06m

Pasco Tri Cities

Tue 4/8

5:00 am-8:43 am

2 stops25h 43m

$234

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Mon 4/7

7:15 pm-10:50 am

2 stops17h 35m

Pasco Tri Cities

Tue 4/8

5:45 pm-1:24 pm

1 stop17h 39m

$258

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 3/18

1:48 pm-11:59 pm

2 stops12h 11m

Pasco Tri Cities

Tue 3/25

11:32 am-9:06 pm

2 stops7h 34m

$271

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 3/18

7:25 am-1:35 pm

1 stop8h 10m

Pasco Tri Cities

Tue 3/25

3:15 pm-11:58 pm

1 stop6h 43m

$307

MolinePasco

MLI - PSC

MLIPSC

Moline Quad-City

Sat 4/26

1:08 pm-8:51 pm

2 stops9h 43m

Pasco Tri Cities

Tue 4/29

5:56 pm-10:46 am

2 stops14h 50m

$389

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Mon 3/10

10:49 am-8:40 pm

1 stop11h 51m

Pasco Tri Cities

Fri 3/14

9:25 pm-6:42 am

1 stop7h 17m

$406

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Thu 4/3

2:35 pm-8:48 pm

1 stop8h 13m

Pasco Tri Cities

Tue 4/8

1:35 pm-11:27 pm

1 stop7h 52m

$408

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 3/21

3:11 pm-9:08 pm

1 stop7h 57m

Pasco Tri Cities

Mon 3/24

7:23 am-11:59 pm

2 stops38h 36m

$433

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 7/8

7:30 pm-11:49 pm

1 stop6h 19m

Pasco Tri Cities

Mon 7/14

3:45 pm-11:56 pm

1 stop6h 11m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 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.

Travel insights for flights from Illinois to Pasco

Get recent, data-driven insights about flights from Illinois to Pasco including ideal travel times, pricing trends, and more.

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 June is currently the most expensive (average of $537). 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 February 20, 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.

Rainfall in Pasco by month

Plan your trip to Pasco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pasco ranges from 0.3 - 1.2 inches per month. January is typically the wettest month, when rainfall can reach 1.2 in. July is typically the driest time to visit Pasco when rainfall is around 0.3 in.

Temperature in Pasco by month

Plan your trip to Pasco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pasco, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 33.8 F).

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 February 20, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Illinois to Pasco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
9,692 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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?

    $117 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $265 and $295, 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, Chicago Midway - Pasco Tri Cities and Lambert-St Louis - 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 June is currently the most expensive (average of $537). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$303Average$390FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$312Average$450FlexibilityNo cancel feeOn-time75%
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