What is the cheapest airline that flies from Illinois to Pasco Tri Cities?

Delta, Hawaiian Airlines, and Alaska Airlines are the most popular carriers operating from Illinois to Pasco Tri Cities

How long does it take to fly to Pasco?

If you’re flying from a popular airport in Illinois, such as Moline or Peoria, and flying into Pasco, then you can expect flight times to average 5h 50m and 5h 55m, respectively.

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?

As of August 2025, there are 3 operators available to choose from 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.

$157 Cheap Flights from Illinois to Pasco in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Pasco

Round-trip

One-way

Last minute

Cheap round-trip flights

12:15 pm - 8:55 pmSTL-PSC

10h 40m2 stops

5:47 pm - 2:44 pmPSC-STL

18h 57m2 stops

$274Delta

Find Deal

sáb., sep. 27 - mar., sep. 30

7:36 pm - 11:31 pmORD-PSC

5h 55m1 stop

1:00 pm - 11:50 pmPSC-ORD

8h 50m1 stop

$279Delta

Find Deal

mar., oct. 14 - mar., oct. 21

6:20 am - 12:28 pmORD-PSC

8h 08m1 stop

7:57 pm - 7:03 amPSC-ORD

9h 06m1 stop

$326Hawaiian Airlines

Find Deal

mar., sep. 16 - dom., sep. 21

7:00 am - 2:17 pmORD-PSC

9h 17m1 stop

3:00 pm - 12:12 amPSC-ORD

7h 12m1 stop

$328American Airlines

Find Deal

lun., nov. 17 - mié., nov. 19

6:21 pm - 9:22 amORD-PSC

17h 01m2 stops

10:07 am - 4:50 amPSC-ORD

16h 43m2 stops

$351

Find Deal

mar., ago. 26 - sáb., ago. 30

3:35 pm - 9:15 pmSTL-PSC

7h 40m1 stop

8:45 am - 5:34 pmPSC-STL

6h 49m1 stop

$355Hawaiian Airlines

Find Deal

sáb., sep. 27 - mar., sep. 30

5:53 pm - 8:51 pmORD-PSC

28h 58m1 stop

1:36 pm - 12:24 amPSC-ORD

8h 48m1 stop

$366Alaska Airlines

Find Deal

lun., nov. 17 - mié., nov. 19

6:21 pm - 9:22 amORD-PSC

17h 01m2 stops

10:07 am - 5:40 amPSC-ORD

17h 33m3 stops

$381

Find Deal

mar., ago. 26 - sáb., ago. 30

5:59 pm - 3:15 pmORD-PSC

23h 16m1 stop

1:36 pm - 6:22 amPSC-ORD

14h 46m1 stop

$394Alaska Airlines

Find Deal

vie., oct. 24 - lun., oct. 27

4:45 pm - 11:28 pmORD-PSC

8h 43m1 stop

5:00 am - 2:17 pmPSC-ORD

7h 17m1 stop

$461American Airlines

Find Deal

jue., ago. 28 - lun., sep. 1

Alaska Airlines flights from Illinois to Pasco

Our best Alaska Airlines deals on Illinois to Pasco flight tickets

Alaska Airlines

Nov 17

ORD5:53 pmChicago O'Hare Intl

28h 58m

1 stop

PSC8:51 pmPasco Tri Cities

Nov 19

PSC1:36 pmPasco Tri Cities

8h 48m

1 stop

ORD12:24 amChicago O'Hare Intl

$366

Find similar

Alaska Airlines

Oct 24

ORD5:59 pmChicago O'Hare Intl

23h 16m

1 stop

PSC3:15 pmPasco Tri Cities

Oct 27

PSC1:36 pmPasco Tri Cities

14h 46m

1 stop

ORD6:22 amChicago O'Hare Intl

$394

Find similar

Alaska Airlines

Oct 24

ORD5:59 pmChicago O'Hare Intl

23h 16m

1 stop

PSC3:15 pmPasco Tri Cities

Oct 27

PSC3:49 pmPasco Tri Cities

19h 20m

2 stops

ORD1:09 pmChicago O'Hare Intl

$420

Find similar

Delta flights from Illinois to Pasco

Our best Delta deals on Illinois to Pasco flight tickets

Delta

Sep 27

STL12:15 pmLambert-St Louis

10h 40m

2 stops

PSC8:55 pmPasco Tri Cities

Sep 30

PSC5:47 pmPasco Tri Cities

18h 57m

2 stops

STL2:44 pmLambert-St Louis

$274

Find similar

Delta

Oct 14

ORD7:36 pmChicago O'Hare Intl

5h 55m

1 stop

PSC11:31 pmPasco Tri Cities

Oct 21

PSC1:00 pmPasco Tri Cities

8h 50m

1 stop

ORD11:50 pmChicago O'Hare Intl

$279

Find similar

Delta

Oct 14

ORD7:36 pmChicago O'Hare Intl

5h 55m

1 stop

PSC11:31 pmPasco Tri Cities

Oct 21

PSC5:13 pmPasco Tri Cities

13h 19m

2 stops

ORD8:32 amChicago O'Hare Intl

$284

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

sáb. 9/27

12:15 pm-8:55 pm

2 stops10h 40m

Pasco Tri Cities

mar. 9/30

5:47 pm-2:44 pm

2 stops18h 57m

$274

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

mar. 10/14

7:36 pm-11:31 pm

1 stop5h 55m

Pasco Tri Cities

mar. 10/21

1:00 pm-11:50 pm

1 stop8h 50m

$279

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

mar. 9/16

6:20 am-12:28 pm

1 stop8h 08m

Pasco Tri Cities

dom. 9/21

7:57 pm-7:03 am

1 stop9h 06m

$326

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

lun. 11/17

7:00 am-2:17 pm

1 stop9h 17m

Pasco Tri Cities

mié. 11/19

3:00 pm-12:12 am

1 stop7h 12m

$328

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

mar. 8/26

6:21 pm-9:22 am

2 stops17h 01m

Pasco Tri Cities

sáb. 8/30

10:07 am-4:50 am

2 stops16h 43m

$351

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

sáb. 9/27

3:35 pm-9:15 pm

1 stop7h 40m

Pasco Tri Cities

mar. 9/30

8:45 am-5:34 pm

1 stop6h 49m

$355

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

lun. 11/17

5:53 pm-8:51 pm

1 stop28h 58m

Pasco Tri Cities

mié. 11/19

1:36 pm-12:24 am

1 stop8h 48m

$366

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

mar. 8/26

6:21 pm-9:22 am

2 stops17h 01m

Pasco Tri Cities

sáb. 8/30

10:07 am-5:40 am

3 stops17h 33m

$381

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

vie. 10/24

5:59 pm-3:15 pm

1 stop23h 16m

Pasco Tri Cities

lun. 10/27

1:36 pm-6:22 am

1 stop14h 46m

$394

ChicagoPasco

ORD - PSC

ORDPSC

Chicago O'Hare Intl

jue. 8/28

4:45 pm-11:28 pm

1 stop8h 43m

Pasco Tri Cities

lun. 9/1

5:00 am-2:17 pm

1 stop7h 17m

$461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Pasco?

The cheapest day to depart from Illinois to Pasco is on a Saturday. Travelers who choose to depart for Pasco on a Saturday will often find tickets for as low as $367. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Pasco on Tuesday is $561.

What is the cheapest time of day to depart on your flight to Pasco?

The cheapest time of day to fly to Pasco is in the afternoon when flights can be purchased for as low as $404. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $507 on average. Flights to Pasco from Illinois at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Illinois to Pasco flights?

You could potentially save up to 26% 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

Best Price Found	$157
Fastest flight time	5h 55m
Direct flights	None
Airports in Pasco	1 airport

The best one-way flight to Pasco from Illinois in the past 72 hours is $157. The best round-trip flight deal from Illinois to Pasco found on momondo in the last 72 hours is $274.

The fastest flight from Illinois to Pasco takes 5h 55m

There are no direct flights from Illinois to Pasco. Popular non-direct routes for this connection are Lambert-St Louis Airport - Pasco Tri Cities Airport, Chicago Midway Airport - Pasco Tri Cities Airport and Chicago O'Hare Intl Airport - Pasco Tri Cities Airport.

There is 1 airport near Pasco: Pasco Tri Cities (PSC)

Search flight deals

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?
As of August 2025, there are 3 operators available to choose from 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
Delta	PriceFrom $205	Free Cancellation	Rating 8.0 7,978 reviews		Search Delta flights
Alaska Airlines	PriceFrom $367	Free Cancellation	Rating 8.0 10,000 reviews		Search Alaska Airlines flights

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.