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

Delta is the most popular carrier 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 September 2026, there is 1 operator 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.

$170 Cheap Flights from Pasco to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

11:15 am - 5:38 amPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

16h 23m1 stop Las Vegas Harry Reid Intl

5:15 pm - 8:26 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

29h 11m1 stop Las Vegas Harry Reid Intl

$436Multiple Airlines

Mon, Oct 5 - Thu, Oct 29

6:00 am - 3:27 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 27m1 stop Salt Lake City

5:15 pm - 10:20 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 05m1 stop Salt Lake City

$443Delta

Wed, Jan 6 - Tue, Jan 12

6:08 am - 2:21 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 13m1 stop Seattle/Tacoma Intl

6:57 pm - 11:53 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 56m1 stop Seattle/Tacoma Intl

$443Alaska Airlines

Sat, Jan 23 - Wed, Jan 27

1:47 pm - 11:27 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 40m1 stop San Francisco

2:35 pm - 9:14 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 39m1 stop Denver Intl

$443United Airlines

Wed, Nov 11 - Wed, Dec 2

1:35 pm - 11:00 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 25m1 stop San Francisco

2:30 pm - 8:58 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 28m1 stop Denver Intl

$443United Airlines

Tue, Oct 20 - Sat, Nov 14

5:00 am - 2:50 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 50m1 stop Phoenix Sky Harbor Intl

7:20 am - 1:24 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 04m1 stop Phoenix Sky Harbor Intl

$443American Airlines

Wed, Jan 6 - Tue, Jan 12

5:00 am - 4:10 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

9h 10m1 stop Phoenix Sky Harbor Intl

3:13 pm - 11:42 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 29m1 stop Phoenix Sky Harbor Intl

$443American Airlines

Sat, Nov 21 - Tue, Nov 24

12:35 pm - 11:46 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

9h 11m1 stop Seattle/Tacoma Intl

7:00 am - 11:56 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 56m1 stop Seattle/Tacoma Intl

$443Delta

Tue, Jan 5 - Tue, Jan 12

6:00 am - 3:27 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 27m1 stop Salt Lake City

7:30 am - 11:59 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 29m1 stop Salt Lake City

$443Delta

Tue, Jan 5 - Sat, Jan 9

3:51 pm - 12:02 amPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 11m1 stop Seattle/Tacoma Intl

6:40 am - 11:55 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 15m1 stop Seattle/Tacoma Intl

$443Delta

Wed, Dec 2 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

1:35 pm - 11:09 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 34m1 stop San Francisco

4:20 pm - 8:40 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 20m1 stop Denver Intl

$543United Airlines

Fri, Sep 25 - Thu, Oct 1

5:29 pm - 6:20 amPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

10h 51m1 stop Seattle/Tacoma Intl

2:22 pm - 10:48 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 26m1 stop Portland

$544Alaska Airlines

Wed, Sep 23 - Wed, Sep 30

10:56 am - 11:59 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

11h 03m1 stop Seattle/Tacoma Intl

6:00 am - 1:27 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

9h 27m1 stop Seattle/Tacoma Intl

$544Alaska Airlines

Wed, Sep 23 - Wed, Sep 30

3:25 pm - 11:57 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 32m1 stop Seattle/Tacoma Intl

6:10 am - 2:45 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 35m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$548Delta

Fri, Sep 25 - Thu, Oct 1

12:36 pm - 11:57 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

9h 21m1 stop Seattle/Tacoma Intl

6:10 am - 2:45 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 35m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$549Delta

Wed, Sep 23 - Wed, Sep 30

6:50 pm - 5:38 amPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

8h 48m1 stop Las Vegas Harry Reid Intl

6:30 am - 4:53 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

12h 23m2 stops Denver Intl Santa Ana J. Wayne/Orange Cnty

$607Multiple Airlines

Fri, Sep 25 - Thu, Oct 1

5:25 am - 8:30 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

13h 05m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

8:25 am - 2:45 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 20m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$611Delta

Wed, Sep 23 - Wed, Sep 30

5:20 am - 7:21 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

12h 01m2 stops Portland San Diego

1:03 pm - 9:01 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

9h 58m1 stop Seattle/Tacoma Intl

$675Alaska Airlines

Wed, Sep 23 - Wed, Sep 30

5:25 am - 6:04 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

10h 39m2 stops Seattle/Tacoma Intl Salt Lake City

1:55 pm - 11:54 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

11h 59m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$786Delta

Fri, Sep 25 - Thu, Oct 1

6:00 am - 7:21 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

11h 21m2 stops Seattle/Tacoma Intl San Diego

7:20 am - 4:52 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

11h 32m2 stops San Diego Seattle/Tacoma Intl

$808Alaska Airlines

Wed, Sep 23 - Wed, Sep 30

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Delta flights from Pasco to Illinois

Our best Delta deals on Pasco to Illinois flight tickets

Delta

Oct 20

PSC7:05 amPasco Tri Cities

5h 31m

1 stop

ORD2:36 pmChicago O'Hare Intl

Nov 14

ORD10:32 amChicago O'Hare Intl

11h 12m

2 stops

PSC7:44 pmPasco Tri Cities

$448

Delta

Dec 9

PSC12:21 pmPasco Tri Cities

7h 07m

1 stop

STL9:28 pmLambert-St Louis

Dec 16

STL3:32 pmLambert-St Louis

6h 28m

1 stop

PSC8:00 pmPasco Tri Cities

$455

Delta

Dec 9

PSC7:00 amPasco Tri Cities

5h 44m

1 stop

STL2:44 pmLambert-St Louis

Dec 16

STL7:08 amLambert-St Louis

10h 03m

2 stops

PSC3:11 pmPasco Tri Cities

$460

Alaska Airlines flights from Pasco to Illinois

Our best Alaska Airlines deals on Pasco to Illinois flight tickets

Alaska Airlines

Nov 11

PSC7:08 amPasco Tri Cities

14h 51m

2 stops

ORD11:59 pmChicago O'Hare Intl

Dec 2

ORD3:19 pmChicago O'Hare Intl

10h 27m

1 stop

PSC11:46 pmPasco Tri Cities

$447

Alaska Airlines

Nov 11

PSC7:08 amPasco Tri Cities

14h 51m

2 stops

ORD11:59 pmChicago O'Hare Intl

Dec 2

ORD9:00 amChicago O'Hare Intl

15h 28m

2 stops

PSC10:28 pmPasco Tri Cities

$451

Alaska Airlines

Oct 31

PSC6:01 amPasco Tri Cities

7h 43m

1 stop

STL3:44 pmLambert-St Louis

Nov 4

STL6:00 amLambert-St Louis

9h 12m

1 stop

PSC1:12 pmPasco Tri Cities

$477

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Mon 10/5

11:15 am-5:38 am

1 stop16h 23m

Chicago O'Hare Intl

Thu 10/29

5:15 pm-8:26 pm

1 stop29h 11m

$436

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Wed 1/6

6:00 am-3:27 pm

1 stop7h 27m

Chicago O'Hare Intl

Tue 1/12

5:15 pm-10:20 pm

1 stop7h 05m

$443

Quickest round-trip

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Sat 1/23

6:08 am-2:21 pm

1 stop6h 13m

Chicago O'Hare Intl

Wed 1/27

6:57 pm-11:53 pm

1 stop6h 56m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Wed 11/11

1:47 pm-11:27 pm

1 stop7h 40m

Chicago O'Hare Intl

Wed 12/2

2:35 pm-9:14 pm

1 stop8h 39m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Tue 10/20

1:35 pm-11:00 pm

1 stop7h 25m

Chicago O'Hare Intl

Sat 11/14

2:30 pm-8:58 pm

1 stop8h 28m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Wed 1/6

5:00 am-2:50 pm

1 stop7h 50m

Chicago O'Hare Intl

Tue 1/12

7:20 am-1:24 pm

1 stop8h 04m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Sat 11/21

5:00 am-4:10 pm

1 stop9h 10m

Chicago O'Hare Intl

Tue 11/24

3:13 pm-11:42 pm

1 stop10h 29m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Tue 1/5

12:35 pm-11:46 pm

1 stop9h 11m

Chicago O'Hare Intl

Tue 1/12

7:00 am-11:56 am

1 stop6h 56m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Tue 1/5

6:00 am-3:27 pm

1 stop7h 27m

Chicago O'Hare Intl

Sat 1/9

7:30 am-11:59 am

1 stop6h 29m

$443

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Wed 12/2

3:51 pm-12:02 am

1 stop6h 11m

Chicago O'Hare Intl

Tue 12/8

6:40 am-11:55 am

1 stop7h 15m

$443

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 February. Flight prices, which tend to average around $328, 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 February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $480.

Can stopping save me money on Pasco to Illinois flights?

You could potentially save up to 5% 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

Best Price Found	$170
Fastest flight time	5h 20m
Direct flights	None

The best one-way flight to Illinois from Pasco in the past 72 hours is $170. The best round-trip flight deal from Pasco to Illinois found on momondo in the last 72 hours is $436.

The fastest flight from Pasco to Illinois takes 5h 20m

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

Search flight deals

Frequently asked questions about flying from Pasco 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 September 2026, there is 1 operator 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 $412	Free Cancellation	Rating 7.8 8,589 reviews		Search Delta 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.