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

United Airlines and Delta 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 August 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.

$173 Cheap Flights from Pasco to Illinois in 2026

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.

1:51 pm - 12:23 am-

32h 32m

8:55 pm - 6:00 pm-

23h 05m

$391Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

1:51 pm - 12:23 am-

32h 32m

8:55 pm - 6:00 pm-

23h 05m

$395Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

10:52 am - 12:33 am-

11h 41m

2:46 pm - 11:02 am-

22h 16m

$400Multiple Airlines

Thu, Oct 8 - Sat, Oct 10

1:46 pm - 5:38 am-

13h 52m

6:30 am - 10:02 am-

29h 32m

$410Multiple Airlines

Fri, Oct 2 - Wed, Oct 7

5:22 am - 1:09 pm-

5h 47m

3:09 pm - 8:55 pm-

7h 46m

$417Alaska Airlines

Tue, Jan 19 - Tue, Jan 19

7:05 am - 4:00 pm-

6h 55m

2:00 pm - 7:41 pm-

7h 41m

$423Delta

Sat, Sep 12 - Sat, Sep 19

5:25 am - 1:29 pm-

6h 04m

7:35 am - 11:41 am-

6h 06m

$423Delta

Tue, Sep 29 - Sat, Oct 10

4:00 pm - 1:26 pm-

19h 26m

7:00 pm - 11:53 pm-

6h 53m

$423Alaska Airlines

Fri, Sep 11 - Wed, Sep 16

3:24 pm - 11:29 pm-

6h 05m

5:44 pm - 11:54 pm-

8h 10m

$423Delta

Wed, Sep 2 - Tue, Sep 8

2:04 pm - 11:59 pm-

7h 55m

4:08 pm - 9:01 pm-

6h 53m

$423Alaska Airlines

Wed, Sep 16 - Sat, Sep 19

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Delta flights from Pasco to Illinois

Our best Delta deals on Pasco to Illinois flight tickets

Delta

Sep 29

PSC5:25 amPasco Tri Cities

6h 04m

1 stop

ORD1:29 pmChicago O'Hare Intl

Oct 10

ORD7:35 amChicago O'Hare Intl

6h 06m

1 stop

PSC11:41 amPasco Tri Cities

$423

Delta

Sep 29

PSC5:25 amPasco Tri Cities

10h 39m

2 stops

ORD6:04 pmChicago O'Hare Intl

Oct 7

ORD7:00 amChicago O'Hare Intl

9h 44m

1 stop

PSC2:44 pmPasco Tri Cities

$428

Delta

Sep 29

PSC7:05 amPasco Tri Cities

11h 25m

2 stops

ORD8:30 pmChicago O'Hare Intl

Oct 7

ORD2:03 pmChicago O'Hare Intl

11h 49m

2 stops

PSC11:52 pmPasco Tri Cities

$433

Alaska Airlines flights from Pasco to Illinois

Our best Alaska Airlines deals on Pasco to Illinois flight tickets

Alaska Airlines

Jan 19

PSC5:22 amPasco Tri Cities

5h 47m

1 stop

ORD1:09 pmChicago O'Hare Intl

Jan 19

ORD3:09 pmChicago O'Hare Intl

7h 46m

1 stop

PSC8:55 pmPasco Tri Cities

$417

Alaska Airlines

Oct 31

PSC6:01 amPasco Tri Cities

7h 43m

1 stop

STL3:44 pmLambert-St Louis

Nov 3

STL7:00 amLambert-St Louis

8h 12m

1 stop

PSC1:12 pmPasco Tri Cities

$445

Alaska Airlines

Sep 11

PSC10:56 amPasco Tri Cities

11h 03m

1 stop

ORD11:59 pmChicago O'Hare Intl

Sep 16

ORD7:20 amChicago O'Hare Intl

10h 03m

2 stops

PSC3:23 pmPasco Tri Cities

$453

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Thu 9/10

1:51 pm-12:23 am

2 stops32h 32m

Chicago O'Hare Intl

Thu 9/17

8:55 pm-6:00 pm

1 stop23h 05m

$391

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Thu 9/10

1:51 pm-12:23 am

2 stops32h 32m

Chicago O'Hare Intl

Thu 9/17

8:55 pm-6:00 pm

1 stop23h 05m

$395

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Thu 10/8

10:52 am-12:33 am

1 stop11h 41m

Chicago O'Hare Intl

Sat 10/10

2:46 pm-11:02 am

2 stops22h 16m

$400

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Fri 10/2

1:46 pm-5:38 am

1 stop13h 52m

Chicago O'Hare Intl

Wed 10/7

6:30 am-10:02 am

2 stops29h 32m

$410

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 1/19

5:22 am-1:09 pm

1 stop5h 47m

Chicago O'Hare Intl

Tue 1/19

3:09 pm-8:55 pm

1 stop7h 46m

$417

PascoChicago

PSC - MDW

PSCMDW

Pasco Tri Cities

Sat 9/12

7:05 am-4:00 pm

1 stop6h 55m

Chicago Midway

Sat 9/19

2:00 pm-7:41 pm

1 stop7h 41m

$423

Quickest round-trip

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 9/29

5:25 am-1:29 pm

1 stop6h 04m

Chicago O'Hare Intl

Sat 10/10

7:35 am-11:41 am

1 stop6h 06m

$423

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Fri 9/11

4:00 pm-1:26 pm

1 stop19h 26m

Chicago O'Hare Intl

Wed 9/16

7:00 pm-11:53 pm

1 stop6h 53m

$423

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Wed 9/2

3:24 pm-11:29 pm

1 stop6h 05m

Chicago O'Hare Intl

Tue 9/8

5:44 pm-11:54 pm

1 stop8h 10m

$423

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Wed 9/16

2:04 pm-11:59 pm

1 stop7h 55m

Chicago O'Hare Intl

Sat 9/19

4:08 pm-9:01 pm

1 stop6h 53m

$423

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 September is also cheap. Prices for this month can be found on momondo for an average of $463.

Can stopping save me money on Pasco to Illinois flights?

You could potentially save up to 9% 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 15m
Direct flights	None

The fastest flight from Pasco to Illinois takes 5h 15m

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 August 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 $338	Free Cancellation	Rating 7.8 8,483 reviews		Search Delta flights
Alaska Airlines	PriceFrom $348	Free Cancellation	Rating 7.9 12,761 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.