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

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

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

Prices for flights from Pasco Tri Cities Airport to Illinois were last updated today.

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

As of February 2026, there are 2 operators available to choose from for flights from Pasco Tri Cities Airport to Illinois.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pasco Tri Cities Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$133 Cheap Flights from Pasco to Illinois in 2026

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Find the cheapest flights from Pasco to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:13 pm - 9:34 pm

PSC

ORD

7h 21m

1 stop

7:25 am - 11:41 am

ORD

PSC

6h 16m

1 stop

$277Delta

Tue, Mar 17 - Wed, Mar 25

12:13 pm - 9:34 pm

PSC

ORD

7h 21m

1 stop

7:25 am - 11:41 am

ORD

PSC

6h 16m

1 stop

$325Delta

Tue, Mar 17 - Wed, Mar 25

7:05 am - 6:13 pm

PSC

ORD

9h 08m

2 stops

7:10 am - 11:49 am

ORD

PSC

6h 39m

1 stop

$330Delta

Tue, May 12 - Wed, May 13

2:12 pm - 12:32 am

PSC

ORD

8h 20m

1 stop

5:00 am - 1:33 pm

ORD

PSC

10h 33m

1 stop

$347American Airlines

Tue, Apr 21 - Thu, Apr 23

3:30 pm - 11:59 pm

PSC

ORD

6h 29m

1 stop

7:45 pm - 11:46 pm

ORD

PSC

6h 01m

1 stop

$368Delta

Wed, May 20 - Tue, May 26

3:30 pm - 4:01 pm

PSC

ORD

22h 31m

2 stops

9:08 pm - 8:35 pm

ORD

PSC

25h 27m

1 stop

$398Multiple Airlines

Thu, Mar 5 - Sun, Mar 8

1:43 pm - 11:57 pm

PSC

STL

8h 14m

1 stop

7:56 pm - 12:14 am

STL

PSC

6h 18m

1 stop

$407Alaska Airlines

Thu, May 14 - Fri, May 15

1:56 pm - 11:59 pm

PSC

STL

8h 03m

1 stop

2:31 pm - 7:58 pm

STL

PSC

7h 27m

1 stop

$423American Airlines

Tue, Mar 3 - Tue, Mar 10

1:43 pm - 5:06 pm

PSC

STL

25h 23m

2 stops

7:56 pm - 12:14 am

STL

PSC

6h 18m

1 stop

$441Alaska Airlines

Thu, May 14 - Fri, May 15

6:31 pm - 11:19 am

PSC

STL

38h 48m

2 stops

8:06 pm - 7:57 pm

STL

PSC

25h 51m

1 stop

$447Multiple Airlines

Sun, Mar 22 - Sun, Mar 29

Delta flights from Pasco to Illinois

Our best Delta deals on Pasco to Illinois flight tickets

Delta

Mar 17

PSC12:13 pmPasco Tri Cities

7h 21m

1 stop

ORD9:34 pmChicago O'Hare Intl

Mar 25

ORD7:25 amChicago O'Hare Intl

6h 16m

1 stop

PSC11:41 amPasco Tri Cities

$277

Delta

Mar 17

PSC12:13 pmPasco Tri Cities

7h 21m

1 stop

ORD9:34 pmChicago O'Hare Intl

Mar 25

ORD7:25 amChicago O'Hare Intl

6h 16m

1 stop

PSC11:41 amPasco Tri Cities

$325

Delta

May 12

PSC7:05 amPasco Tri Cities

9h 08m

2 stops

ORD6:13 pmChicago O'Hare Intl

May 13

ORD7:10 amChicago O'Hare Intl

6h 39m

1 stop

PSC11:49 amPasco Tri Cities

$330

Alaska Airlines flights from Pasco to Illinois

Our best Alaska Airlines deals on Pasco to Illinois flight tickets

Alaska Airlines

May 14

PSC1:43 pmPasco Tri Cities

8h 14m

1 stop

STL11:57 pmLambert-St Louis

May 15

STL7:56 pmLambert-St Louis

6h 18m

1 stop

PSC12:14 amPasco Tri Cities

$407

Alaska Airlines

Apr 21

PSC7:00 amPasco Tri Cities

14h 59m

2 stops

ORD11:59 pmChicago O'Hare Intl

Apr 23

ORD3:37 pmChicago O'Hare Intl

8h 05m

1 stop

PSC9:42 pmPasco Tri Cities

$425

Alaska Airlines

May 14

PSC1:43 pmPasco Tri Cities

25h 23m

2 stops

STL5:06 pmLambert-St Louis

May 15

STL7:56 pmLambert-St Louis

6h 18m

1 stop

PSC12:14 amPasco Tri Cities

$441

Fly from

Fly to

Route

Depart

Return

Price

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 3/17

12:13 pm-9:34 pm

1 stop7h 21m

Chicago O'Hare Intl

Wed 3/25

7:25 am-11:41 am

1 stop6h 16m

$277

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 3/17

12:13 pm-9:34 pm

1 stop7h 21m

Chicago O'Hare Intl

Wed 3/25

7:25 am-11:41 am

1 stop6h 16m

$325

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 5/12

7:05 am-6:13 pm

2 stops9h 08m

Chicago O'Hare Intl

Wed 5/13

7:10 am-11:49 am

1 stop6h 39m

$330

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 4/21

2:12 pm-12:32 am

1 stop8h 20m

Chicago O'Hare Intl

Thu 4/23

5:00 am-1:33 pm

1 stop10h 33m

$347

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Wed 5/20

3:30 pm-11:59 pm

1 stop6h 29m

Chicago O'Hare Intl

Tue 5/26

7:45 pm-11:46 pm

1 stop6h 01m

$368

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Thu 3/5

3:30 pm-4:01 pm

2 stops22h 31m

Chicago O'Hare Intl

Sun 3/8

9:08 pm-8:35 pm

1 stop25h 27m

$398

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/14

1:43 pm-11:57 pm

1 stop8h 14m

Lambert-St Louis

Fri 5/15

7:56 pm-12:14 am

1 stop6h 18m

$407

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 3/3

1:56 pm-11:59 pm

1 stop8h 03m

Lambert-St Louis

Tue 3/10

2:31 pm-7:58 pm

1 stop7h 27m

$423

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/14

1:43 pm-5:06 pm

2 stops25h 23m

Lambert-St Louis

Fri 5/15

7:56 pm-12:14 am

1 stop6h 18m

$441

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 3/22

6:31 pm-11:19 am

2 stops38h 48m

Lambert-St Louis

Sun 3/29

8:06 pm-7:57 pm

1 stop25h 51m

$447

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 Pasco to Illinois

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Pasco is in March. Flight prices, which tend to average around $275, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $328.

Can stopping save me money on Pasco to Illinois flights?

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

Cheap Pasco to Illinois flight deals and tips

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

Fastest flight time	5h 17m
Direct flights	None

The fastest flight from Pasco to Illinois takes 5h 17m

There are no direct flights from Pasco to Illinois. There are no popular flight routes from Pasco to Illinois.

Search flight deals

When did momondo last update prices for flights from Pasco Tri Cities Airport to Illinois?
Prices for flights from Pasco Tri Cities Airport to Illinois were last updated today.
How many operators does momondo search for flights from Pasco Tri Cities Airport to Illinois?
As of February 2026, there are 2 operators available to choose from for flights from Pasco Tri Cities Airport to Illinois.
How old do you have to be to fly from Pasco Tri Cities Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pasco Tri Cities Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Pasco to Illinois

Compare and see reviews for airlines that fly from Pasco to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $177	Free Cancellation	Rating 7.9 8,205 reviews		Search Delta flights
Alaska Airlines	PriceFrom $258	Free Cancellation	Rating 8.0 11,891 reviews		Search Alaska Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Pasco to Illinois flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pasco to Illinois.

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

Yes momondo offers price alerts on flights to Illinois from Pasco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.