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Cheap flights from Illinois to Pasco from $207

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 6/23. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:55 am - 2:45 pm
ORD
-
PSC
9h 50m
1 stop
Delta Logo
12:30 pm - 11:39 pm
PSC
-
ORD
9h 09m
1 stop
$353Delta
Tue, Jun 30 - Sat, Jul 4
Delta Logo
6:55 am - 2:45 pm
ORD
-
PSC
9h 50m
1 stop
Delta Logo
7:05 am - 5:02 pm
PSC
-
ORD
7h 57m
1 stop
$383Delta
Tue, Jun 23 - Tue, Jun 30
Delta Logo
6:55 am - 2:45 pm
ORD
-
PSC
9h 50m
1 stop
Delta Logo
5:25 am - 6:57 pm
PSC
-
ORD
11h 32m
2 stops
$388Delta
Tue, Jun 30 - Wed, Jul 8
American Airlines Logo
5:19 pm - 11:19 pm
ORD
-
PSC
8h 00m
1 stop
American Airlines Logo
3:24 pm - 12:51 am
PSC
-
ORD
7h 27m
1 stop
$403American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
3:49 pm - 11:19 pm
ORD
-
PSC
9h 30m
2 stops
American Airlines Logo
3:24 pm - 12:51 am
PSC
-
ORD
7h 27m
1 stop
$408American Airlines
Fri, Jul 3 - Wed, Jul 8
United Airlines Logo
7:23 pm - 12:50 am
STL
-
PSC
7h 27m
1 stop
United Airlines Logo
5:14 am - 12:42 pm
PSC
-
STL
5h 28m
1 stop
$425United Airlines
Wed, Jul 1 - Sat, Jul 4
United Airlines Logo
7:23 pm - 12:50 am
STL
-
PSC
7h 27m
1 stop
United Airlines Logo
5:14 am - 7:26 pm
PSC
-
STL
12h 12m
2 stops
$430United Airlines
Wed, Jul 1 - Sat, Jul 4
Alaska Airlines Logo
7:00 am - 1:12 pm
STL
-
PSC
8h 12m
1 stop
Alaska Airlines Logo
6:01 am - 2:15 pm
PSC
-
STL
6h 14m
1 stop
$434Alaska Airlines
Sat, Nov 14 - Wed, Nov 18
Alaska Airlines Logo
7:00 am - 1:18 pm
STL
-
PSC
8h 18m
1 stop
Alaska Airlines Logo
6:01 am - 3:44 pm
PSC
-
STL
7h 43m
1 stop
$462Alaska Airlines
Tue, Oct 27 - Wed, Oct 28
Multiple Airlines Logo
7:03 pm - 1:55 pm
STL
-
PSC
44h 52m
2 stops
Multiple Airlines Logo
8:48 pm - 6:05 pm
PSC
-
STL
19h 17m
1 stop
$490Multiple Airlines
Tue, Jul 7 - Mon, Jul 13

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Alaska Airlines flights from Illinois to Pasco

Our best Alaska Airlines deals on Illinois to Pasco flight tickets
Alaska Airlines
Nov 14
STL7:00 amLambert-St Louis
8h 12m
1 stop
PSC1:12 pmPasco Tri Cities
Nov 18
PSC6:01 amPasco Tri Cities
6h 14m
1 stop
STL2:15 pmLambert-St Louis
$434
Alaska Airlines
Sep 5
ORD6:54 pmChicago O'Hare Intl
6h 55m
1 stop
PSC11:49 pmPasco Tri Cities
Sep 9
PSC5:29 pmPasco Tri Cities
23h 52m
2 stops
ORD7:21 pmChicago O'Hare Intl
$457
Alaska Airlines
Jul 31
ORD7:20 amChicago O'Hare Intl
10h 02m
1 stop
PSC3:22 pmPasco Tri Cities
Aug 22
PSC5:20 amPasco Tri Cities
12h 01m
2 stops
ORD7:21 pmChicago O'Hare Intl
$462

Delta flights from Illinois to Pasco

Our best Delta deals on Illinois to Pasco flight tickets
Delta
Jun 30
ORD6:55 amChicago O'Hare Intl
9h 50m
1 stop
PSC2:45 pmPasco Tri Cities
Jul 4
PSC12:30 pmPasco Tri Cities
9h 09m
1 stop
ORD11:39 pmChicago O'Hare Intl
$353
Delta
Jun 23
ORD6:55 amChicago O'Hare Intl
9h 50m
1 stop
PSC2:45 pmPasco Tri Cities
Jun 30
PSC7:05 amPasco Tri Cities
7h 57m
1 stop
ORD5:02 pmChicago O'Hare Intl
$383
Delta
Jun 30
ORD6:55 amChicago O'Hare Intl
9h 50m
1 stop
PSC2:45 pmPasco Tri Cities
Jul 8
PSC5:25 amPasco Tri Cities
11h 32m
2 stops
ORD6:57 pmChicago O'Hare Intl
$388

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 June 13, 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

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 6/30

6:55 am-2:45 pm

1 stop9h 50m

Pasco Tri Cities

Sat 7/4

12:30 pm-11:39 pm

1 stop9h 09m

$353

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 6/23

6:55 am-2:45 pm

1 stop9h 50m

Pasco Tri Cities

Tue 6/30

7:05 am-5:02 pm

1 stop7h 57m

$383

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 6/30

6:55 am-2:45 pm

1 stop9h 50m

Pasco Tri Cities

Wed 7/8

5:25 am-6:57 pm

2 stops11h 32m

$388

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Fri 7/3

5:19 pm-11:19 pm

1 stop8h 00m

Pasco Tri Cities

Wed 7/8

3:24 pm-12:51 am

1 stop7h 27m

$403

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Fri 7/3

3:49 pm-11:19 pm

2 stops9h 30m

Pasco Tri Cities

Wed 7/8

3:24 pm-12:51 am

1 stop7h 27m

$408
Quickest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 7/1

7:23 pm-12:50 am

1 stop7h 27m

Pasco Tri Cities

Sat 7/4

5:14 am-12:42 pm

1 stop5h 28m

$425

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 7/1

7:23 pm-12:50 am

1 stop7h 27m

Pasco Tri Cities

Sat 7/4

5:14 am-7:26 pm

2 stops12h 12m

$430

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 11/14

7:00 am-1:12 pm

1 stop8h 12m

Pasco Tri Cities

Wed 11/18

6:01 am-2:15 pm

1 stop6h 14m

$434

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 10/27

7:00 am-1:18 pm

1 stop8h 18m

Pasco Tri Cities

Wed 10/28

6:01 am-3:44 pm

1 stop7h 43m

$462

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 7/7

7:03 pm-1:55 pm

2 stops44h 52m

Pasco Tri Cities

Mon 7/13

8:48 pm-6:05 pm

1 stop19h 17m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 June is, on average, the cheapest month to fly to Pasco from Illinois, with most prices found around $206. The month of March is another great option to travel to Pasco, with average flight prices from Illinois averaging around $277.

Can stopping save me money on Illinois to Pasco flights?

You could potentially save up to 68% 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 42m

Direct flights

None
The fastest flight from Illinois to Pasco takes 5h 42m
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 $337Free CancellationRating
7.9
12,502 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $439Free CancellationRating
7.4
9,816 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.

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