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Cheap flights from Illinois to Pasco from $212

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 9/9. 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.
Multiple Airlines Logo
1:02 pm - 8:38 pm
ORD
-
PSC
9h 36m
1 stop
Multiple Airlines Logo
10:42 am - 12:33 am
PSC
-
ORD
11h 51m
1 stop
$397Multiple Airlines
Fri, Nov 13 - Sun, Nov 15
Alaska Airlines Logo
7:00 pm - 11:53 pm
ORD
-
PSC
6h 53m
1 stop
Alaska Airlines Logo
2:04 pm - 11:59 pm
PSC
-
ORD
7h 55m
1 stop
$398Alaska Airlines
Tue, Sep 8 - Tue, Sep 15
Alaska Airlines Logo
7:00 pm - 11:53 pm
ORD
-
PSC
6h 53m
1 stop
Alaska Airlines Logo
2:04 pm - 11:59 pm
PSC
-
ORD
7h 55m
1 stop
$404Alaska Airlines
Tue, Sep 8 - Tue, Sep 15
Alaska Airlines Logo
6:00 am - 1:27 pm
ORD
-
PSC
9h 27m
1 stop
Alaska Airlines Logo
2:04 pm - 11:59 pm
PSC
-
ORD
7h 55m
1 stop
$415Alaska Airlines
Wed, Sep 9 - Wed, Sep 16
American Airlines Logo
6:59 am - 2:51 pm
ORD
-
PSC
9h 52m
1 stop
American Airlines Logo
3:24 pm - 12:30 am
PSC
-
ORD
7h 06m
1 stop
$421American Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
5:44 pm - 11:54 pm
ORD
-
PSC
8h 10m
1 stop
Delta Logo
12:36 pm - 11:57 pm
PSC
-
ORD
9h 21m
1 stop
$423Delta
Tue, Sep 8 - Tue, Sep 15
Delta Logo
3:00 pm - 10:15 pm
ORD
-
PSC
9h 15m
2 stops
Delta Logo
5:25 am - 1:29 pm
PSC
-
ORD
6h 04m
1 stop
$428Delta
Sat, Sep 5 - Sat, Sep 19
American Airlines Logo
8:00 am - 2:51 pm
STL
-
PSC
8h 51m
1 stop
American Airlines Logo
5:05 am - 7:07 pm
PSC
-
STL
12h 02m
2 stops
$440American Airlines
Wed, Sep 16 - Tue, Sep 22
United Airlines Logo
8:30 am - 8:58 pm
STL
-
PSC
14h 28m
2 stops
United Airlines Logo
5:10 am - 12:38 pm
PSC
-
STL
5h 28m
1 stop
$440United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
9:05 am - 12:54 pm
MLI
-
PSC
5h 49m
1 stop
United Airlines Logo
12:54 pm - 9:01 pm
PSC
-
MLI
6h 07m
1 stop
$480United Airlines
Sat, Aug 29 - Tue, Sep 1

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Alaska Airlines flights from Illinois to Pasco

Our best Alaska Airlines deals on Illinois to Pasco flight tickets
Alaska Airlines
Sep 8
ORD7:00 pmChicago O'Hare Intl
6h 53m
1 stop
PSC11:53 pmPasco Tri Cities
Sep 15
PSC2:04 pmPasco Tri Cities
7h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
$398
Alaska Airlines
Sep 8
ORD7:00 pmChicago O'Hare Intl
6h 53m
1 stop
PSC11:53 pmPasco Tri Cities
Sep 15
PSC2:04 pmPasco Tri Cities
7h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
$404
Alaska Airlines
Sep 9
ORD6:00 amChicago O'Hare Intl
9h 27m
1 stop
PSC1:27 pmPasco Tri Cities
Sep 16
PSC2:04 pmPasco Tri Cities
7h 55m
1 stop
ORD11:59 pmChicago O'Hare Intl
$415

Delta flights from Illinois to Pasco

Our best Delta deals on Illinois to Pasco flight tickets
Delta
Sep 8
ORD5:44 pmChicago O'Hare Intl
8h 10m
1 stop
PSC11:54 pmPasco Tri Cities
Sep 15
PSC12:36 pmPasco Tri Cities
9h 21m
1 stop
ORD11:57 pmChicago O'Hare Intl
$423
Delta
Sep 8
ORD1:55 pmChicago O'Hare Intl
11h 59m
2 stops
PSC11:54 pmPasco Tri Cities
Sep 15
PSC12:36 pmPasco Tri Cities
9h 21m
1 stop
ORD11:57 pmChicago O'Hare Intl
$428
Delta
Sep 8
ORD1:55 pmChicago O'Hare Intl
11h 59m
2 stops
PSC11:54 pmPasco Tri Cities
Sep 15
PSC5:25 amPasco Tri Cities
10h 39m
2 stops
ORD6:04 pmChicago O'Hare Intl
$433

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 July 29, 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

Fri 11/13

1:02 pm-8:38 pm

1 stop9h 36m

Pasco Tri Cities

Sun 11/15

10:42 am-12:33 am

1 stop11h 51m

$397

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 9/8

7:00 pm-11:53 pm

1 stop6h 53m

Pasco Tri Cities

Tue 9/15

2:04 pm-11:59 pm

1 stop7h 55m

$398

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 9/8

7:00 pm-11:53 pm

1 stop6h 53m

Pasco Tri Cities

Tue 9/15

2:04 pm-11:59 pm

1 stop7h 55m

$404

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Wed 9/9

6:00 am-1:27 pm

1 stop9h 27m

Pasco Tri Cities

Wed 9/16

2:04 pm-11:59 pm

1 stop7h 55m

$415

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 9/12

6:59 am-2:51 pm

1 stop9h 52m

Pasco Tri Cities

Sat 9/19

3:24 pm-12:30 am

1 stop7h 06m

$421

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Tue 9/8

5:44 pm-11:54 pm

1 stop8h 10m

Pasco Tri Cities

Tue 9/15

12:36 pm-11:57 pm

1 stop9h 21m

$423

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

Sat 9/5

3:00 pm-10:15 pm

2 stops9h 15m

Pasco Tri Cities

Sat 9/19

5:25 am-1:29 pm

1 stop6h 04m

$428

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 9/16

8:00 am-2:51 pm

1 stop8h 51m

Pasco Tri Cities

Tue 9/22

5:05 am-7:07 pm

2 stops12h 02m

$440

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 10/31

8:30 am-8:58 pm

2 stops14h 28m

Pasco Tri Cities

Tue 11/3

5:10 am-12:38 pm

1 stop5h 28m

$440
Quickest round-trip

MolinePasco

MLI - PSC

MLIPSC

Moline Quad-City

Sat 8/29

9:05 am-12:54 pm

1 stop5h 49m

Pasco Tri Cities

Tue 9/1

12:54 pm-9:01 pm

1 stop6h 07m

$480

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 June is, on average, the cheapest month to fly to Pasco from Illinois, with most prices found around $352. The month of September is another great option to travel to Pasco, with average flight prices from Illinois averaging around $431.

Can stopping save me money on Illinois to Pasco flights?

You could potentially save up to 56% 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

6h 06m

Direct flights

None
The fastest flight from Illinois to Pasco takes 6h 06m
There are no direct flights from Illinois to Pasco. There are no popular flight routes from Illinois to Pasco.
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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
DeltaPriceFrom $278Free CancellationRating
7.8
8,489 reviews
Search Delta flights
Alaska AirlinesPriceFrom $342Free CancellationRating
7.9
12,731 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $412Free CancellationRating
7.4
10,047 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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