Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Pasco from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Pasco departing on 5/27. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:23 pm - 12:46 am
STL
-
PSC
7h 23m
1 stop
United Airlines Logo
7:00 am - 6:17 pm
PSC
-
STL
9h 17m
1 stop
$377United Airlines
Sat, May 23 - Sat, May 30
Delta Logo
6:55 am - 11:48 am
ORD
-
PSC
6h 53m
1 stop
Delta Logo
12:30 pm - 9:23 pm
PSC
-
ORD
6h 53m
1 stop
$385Delta
Tue, Jun 9 - Sat, Jun 20
Delta Logo
3:55 pm - 11:58 pm
ORD
-
PSC
10h 03m
2 stops
Delta Logo
12:30 pm - 9:23 pm
PSC
-
ORD
6h 53m
1 stop
$390Delta
Tue, Jun 9 - Sat, Jun 20
Delta Logo
10:15 am - 4:50 pm
ORD
-
PSC
8h 35m
2 stops
Delta Logo
7:05 am - 5:02 pm
PSC
-
ORD
7h 57m
1 stop
$411Delta
Sat, Jun 6 - Sat, Jun 13
Delta Logo
6:55 am - 11:48 am
ORD
-
PSC
6h 53m
1 stop
Delta Logo
12:30 pm - 11:39 pm
PSC
-
ORD
9h 09m
1 stop
$413Delta
Wed, Jun 10 - Wed, Jun 17
Alaska Airlines Logo
7:49 pm - 12:14 am
ORD
-
PSC
6h 25m
1 stop
Alaska Airlines Logo
6:00 am - 2:32 pm
PSC
-
ORD
6h 32m
1 stop
$417Alaska Airlines
Sat, May 23 - Mon, May 25
Delta Logo
6:30 am - 2:45 pm
ORD
-
PSC
10h 15m
2 stops
Delta Logo
5:25 am - 1:31 pm
PSC
-
ORD
6h 06m
1 stop
$418Delta
Wed, Jun 10 - Sat, Jun 13
Multiple Airlines Logo
7:03 pm - 7:58 pm
STL
-
PSC
26h 55m
2 stops
Multiple Airlines Logo
8:48 pm - 6:51 pm
PSC
-
STL
20h 03m
1 stop
$432Multiple Airlines
Thu, Jun 18 - Mon, Jun 29
Multiple Airlines Logo
7:03 pm - 7:58 pm
STL
-
PSC
26h 55m
2 stops
Multiple Airlines Logo
8:48 pm - 6:51 pm
PSC
-
STL
20h 03m
1 stop
$486Multiple Airlines
Thu, Jun 18 - Mon, Jun 29
Alaska Airlines Logo
6:00 am - 12:19 pm
MLI
-
PSC
8h 19m
2 stops
Alaska Airlines Logo
10:49 am - 11:23 pm
PSC
-
MLI
10h 34m
2 stops
$645Alaska Airlines
Wed, Aug 12 - Thu, Aug 20

American Airlines flights from Illinois to Pasco

Our best American Airlines deals on Illinois to Pasco flight tickets
American Airlines
May 8
ORD1:20 pmChicago O'Hare Intl
8h 28m
1 stop
PSC7:48 pmPasco Tri Cities
May 12
PSC2:12 pmPasco Tri Cities
8h 20m
1 stop
ORD12:32 amChicago O'Hare Intl
$536
American Airlines
Jun 18
STL8:00 amLambert-St Louis
8h 58m
1 stop
PSC2:58 pmPasco Tri Cities
Jun 29
PSC3:29 pmPasco Tri Cities
6h 29m
1 stop
STL11:58 pmLambert-St Louis
$543
American Airlines
Jun 11
STL8:00 amLambert-St Louis
8h 58m
1 stop
PSC2:58 pmPasco Tri Cities
Jun 14
PSC3:29 pmPasco Tri Cities
6h 28m
1 stop
STL11:57 pmLambert-St Louis
$570

Delta flights from Illinois to Pasco

Our best Delta deals on Illinois to Pasco flight tickets
Delta
Jun 9
ORD6:55 amChicago O'Hare Intl
6h 53m
1 stop
PSC11:48 amPasco Tri Cities
Jun 20
PSC12:30 pmPasco Tri Cities
6h 53m
1 stop
ORD9:23 pmChicago O'Hare Intl
$385
Delta
Jun 9
ORD3:55 pmChicago O'Hare Intl
10h 03m
2 stops
PSC11:58 pmPasco Tri Cities
Jun 16
PSC12:30 pmPasco Tri Cities
9h 09m
1 stop
ORD11:39 pmChicago O'Hare Intl
$390
Delta
Jun 6
ORD10:15 amChicago O'Hare Intl
8h 35m
2 stops
PSC4:50 pmPasco Tri Cities
Jun 13
PSC7:05 amPasco Tri Cities
7h 57m
1 stop
ORD5:02 pmChicago O'Hare Intl
$411

momondo 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, momondo users made 832,500 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from Illinois to Pasco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 5/23

7:23 pm-12:46 am

1 stop7h 23m

Pasco Tri Cities

Sat 5/30

7:00 am-6:17 pm

1 stop9h 17m

$377

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 6/9

6:55 am-11:48 am

1 stop6h 53m

Pasco Tri Cities

Sat 6/20

12:30 pm-9:23 pm

1 stop6h 53m

$385

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 6/9

3:55 pm-11:58 pm

2 stops10h 03m

Pasco Tri Cities

Sat 6/20

12:30 pm-9:23 pm

1 stop6h 53m

$390

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 6/6

10:15 am-4:50 pm

2 stops8h 35m

Pasco Tri Cities

Sat 6/13

7:05 am-5:02 pm

1 stop7h 57m

$411

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Wed 6/10

6:55 am-11:48 am

1 stop6h 53m

Pasco Tri Cities

Wed 6/17

12:30 pm-11:39 pm

1 stop9h 09m

$413
Quickest round-trip

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 5/23

7:49 pm-12:14 am

1 stop6h 25m

Pasco Tri Cities

Mon 5/25

6:00 am-2:32 pm

1 stop6h 32m

$417

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Wed 6/10

6:30 am-2:45 pm

2 stops10h 15m

Pasco Tri Cities

Sat 6/13

5:25 am-1:31 pm

1 stop6h 06m

$418

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 6/18

7:03 pm-7:58 pm

2 stops26h 55m

Pasco Tri Cities

Mon 6/29

8:48 pm-6:51 pm

1 stop20h 03m

$432

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 6/18

7:03 pm-7:58 pm

2 stops26h 55m

Pasco Tri Cities

Mon 6/29

8:48 pm-6:51 pm

1 stop20h 03m

$486

MolinePasco

MLI - PSC

MLIPSC

Moline Quad-City

Wed 8/12

6:00 am-12:19 pm

2 stops8h 19m

Pasco Tri Cities

Thu 8/20

10:49 am-11:23 pm

2 stops10h 34m

$645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Pasco from

How to get the cheapest flight ticket from Illinois to Pasco

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 is the cheapest month to fly to Pasco?

The month of March is, on average, the cheapest month to fly to Pasco from Illinois, with most prices found around $277. The month of August is another great option to travel to Pasco, with average flight prices from Illinois averaging around $278.

Can stopping save me money on Illinois to Pasco flights?

You could potentially save up to 49% on your flight if you consider stops on a Illinois to Pasco flight.

Cheap Illinois to Pasco flight deals and tips

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

Fastest flight time

5h 47m

Direct flights

None
The fastest flight from Illinois to Pasco takes 5h 47m
There are no direct flights from Illinois to Pasco. There are no popular flight routes from Illinois to Pasco.
Search flight deals

Frequently asked questions about flying from Illinois to Pasco

  • When did momondo last update prices for flights from Illinois to Pasco Tri Cities Airport?

    Prices for flights from Illinois to Pasco Tri Cities Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Pasco Tri Cities Airport?

  • How old do you have to be to fly from Illinois to Pasco Tri Cities Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Pasco Tri Cities Airport.

  • What documentation or ID do you need to fly to Pasco Tri Cities Airport?

    The required travel and health documents for your Pasco Tri Cities Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pasco Tri Cities Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Pasco

Compare and see reviews for airlines that fly from Illinois to Pasco with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $342Free CancellationRating
7.9
12,304 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $439Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights

Traveling to a place near Pasco?

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

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Pasco?

It is quick and easy to find Illinois to Pasco 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 Pasco that suits you.

Can I find flights from Illinois to Pasco with flexible booking policies on momondo?

Yes. All flights to Pasco from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Pasco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Pasco from Illinois.

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

If you are not ready to book a flight from Illinois to Pasco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pasco and let you know when they change.

An easier way to manage your Pasco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/28
Thu 6/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States