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

Delta, Alaska Airlines, and United 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 November 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.

$212 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.

3:30 pm - 1:10 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

19h 40m1 stop Portland

2:08 pm - 10:59 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 51m1 stop Portland

$399Alaska Airlines

Fri, Dec 11 - Sun, Dec 13

10:02 am - 7:38 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 36m1 stop Seattle/Tacoma Intl

6:47 pm - 11:57 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 10m1 stop Seattle/Tacoma Intl

$399Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

3:51 pm - 11:57 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 06m1 stop Seattle/Tacoma Intl

5:55 pm - 12:05 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 10m1 stop Seattle/Tacoma Intl

$409Delta

Tue, Dec 1 - Thu, Dec 3

12:35 pm - 11:57 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

9h 22m1 stop Seattle/Tacoma Intl

3:47 pm - 8:00 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 13m1 stop Minneapolis St Paul

$409Delta

Tue, Dec 1 - Fri, Dec 4

10:02 am - 7:38 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 36m1 stop Seattle/Tacoma Intl

6:47 pm - 11:57 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 10m1 stop Seattle/Tacoma Intl

$409Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

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

9h 11m1 stop Seattle/Tacoma Intl

6:30 am - 11:56 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 26m1 stop Seattle/Tacoma Intl

$409Delta

Sat, Mar 20 - Sun, Mar 28

12:26 pm - 9:56 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 30m1 stop Salt Lake City

5:55 pm - 12:05 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 10m1 stop Seattle/Tacoma Intl

$409Delta

Fri, Dec 4 - Mon, Dec 14

3:51 pm - 11:57 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 06m1 stop Seattle/Tacoma Intl

5:55 pm - 12:05 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 10m1 stop Seattle/Tacoma Intl

$409Delta

Fri, Dec 11 - Mon, Dec 14

5:20 am - 1:31 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 11m1 stop Seattle/Tacoma Intl

6:00 pm - 11:38 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 38m1 stop Seattle/Tacoma Intl

$409Delta

Fri, Apr 23 - Mon, Apr 26

3:51 pm - 11:57 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 06m1 stop Seattle/Tacoma Intl

7:15 am - 11:50 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 35m1 stop Salt Lake City

$409Delta

Tue, Dec 15 - Tue, Jan 5

Cheap last minute flights

Enter your travel dates to find the best prices.

5:10 am - 1:37 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 27m1 stop Seattle/Tacoma Intl

6:40 am - 11:48 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 08m1 stop Seattle/Tacoma Intl

$559Delta

Wed, Nov 11 - Sun, Nov 15

12:21 pm - 11:54 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

9h 33m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:40 am - 11:48 amORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 08m1 stop Seattle/Tacoma Intl

$564Delta

Wed, Nov 11 - Sun, Nov 15

4:00 pm - 1:09 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

19h 09m1 stop Portland

7:00 am - 1:12 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

8h 12m1 stop Seattle/Tacoma Intl

$584Alaska Airlines

Mon, Nov 9 - Wed, Nov 11

12:21 pm - 10:05 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 44m1 stop Salt Lake City

6:35 am - 12:02 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 27m1 stop Seattle/Tacoma Intl

$586Delta

Sat, Nov 7 - Sun, Nov 8

12:21 pm - 10:05 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 44m1 stop Salt Lake City

7:17 pm - 11:32 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 15m1 stop Salt Lake City

$586Delta

Sat, Nov 7 - Mon, Nov 9

1:49 pm - 11:59 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

8h 10m1 stop Seattle/Tacoma Intl

9:30 am - 4:54 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

9h 24m1 stop Seattle/Tacoma Intl

$587Alaska Airlines

Fri, Nov 6 - Sat, Nov 7

12:21 pm - 10:05 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

7h 44m1 stop Salt Lake City

6:23 am - 2:53 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 30m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$591Delta

Sat, Nov 7 - Mon, Nov 9

3:33 pm - 11:59 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 26m1 stop Seattle/Tacoma Intl

6:23 am - 2:53 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

10h 30m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$597Delta

Mon, Nov 9 - Wed, Nov 11

12:42 pm - 11:34 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

8h 52m1 stop Seattle/Tacoma Intl

6:35 am - 12:02 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

7h 27m1 stop Seattle/Tacoma Intl

$608Delta

Fri, Nov 6 - Sun, Nov 8

3:32 pm - 11:34 pmPSC Pasco Tri Cities-ORD Chicago O'Hare Intl

6h 02m1 stop Seattle/Tacoma Intl

7:17 pm - 11:32 pmORD Chicago O'Hare Intl-PSC Pasco Tri Cities

6h 15m1 stop Salt Lake City

$608Delta

Fri, Nov 6 - Mon, Nov 9

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Alaska Airlines flights from Pasco to Illinois

Our best Alaska Airlines deals on Pasco to Illinois flight tickets

Alaska Airlines

Feb 6

PSC10:02 amPasco Tri Cities

7h 36m

1 stop

ORD7:38 pmChicago O'Hare Intl

Feb 9

ORD6:47 pmChicago O'Hare Intl

7h 10m

1 stop

PSC11:57 pmPasco Tri Cities

$399

Alaska Airlines

Feb 6

PSC5:00 amPasco Tri Cities

12h 38m

2 stops

ORD7:38 pmChicago O'Hare Intl

Feb 9

ORD6:47 pmChicago O'Hare Intl

7h 10m

1 stop

PSC11:57 pmPasco Tri Cities

$456

Alaska Airlines

Feb 6

PSC5:00 amPasco Tri Cities

12h 38m

2 stops

ORD7:38 pmChicago O'Hare Intl

Feb 9

ORD6:47 pmChicago O'Hare Intl

7h 10m

1 stop

PSC11:57 pmPasco Tri Cities

$461

Delta flights from Pasco to Illinois

Our best Delta deals on Pasco to Illinois flight tickets

Delta

Dec 1

PSC3:51 pmPasco Tri Cities

6h 06m

1 stop

ORD11:57 pmChicago O'Hare Intl

Dec 3

ORD5:55 pmChicago O'Hare Intl

8h 10m

1 stop

PSC12:05 amPasco Tri Cities

$409

Delta

Dec 1

PSC12:35 pmPasco Tri Cities

9h 22m

1 stop

ORD11:57 pmChicago O'Hare Intl

Dec 3

ORD8:04 amChicago O'Hare Intl

13h 56m

2 stops

PSC8:00 pmPasco Tri Cities

$414

Delta

Nov 23

PSC3:33 pmPasco Tri Cities

6h 26m

1 stop

ORD11:59 pmChicago O'Hare Intl

Dec 2

ORD5:55 pmChicago O'Hare Intl

8h 10m

1 stop

PSC12:05 amPasco Tri Cities

$415

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

Fri 12/11

3:30 pm-1:10 pm

1 stop19h 40m

Chicago O'Hare Intl

Sun 12/13

2:08 pm-10:59 pm

1 stop10h 51m

$399

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Sat 2/6

10:02 am-7:38 pm

1 stop7h 36m

Chicago O'Hare Intl

Tue 2/9

6:47 pm-11:57 pm

1 stop7h 10m

$399

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Tue 12/1

3:51 pm-11:57 pm

1 stop6h 06m

Chicago O'Hare Intl

Thu 12/3

5:55 pm-12:05 am

1 stop8h 10m

$409

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Tue 12/1

12:35 pm-11:57 pm

1 stop9h 22m

Chicago O'Hare Intl

Fri 12/4

3:47 pm-8:00 pm

1 stop6h 13m

$409

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Sat 2/6

10:02 am-7:38 pm

1 stop7h 36m

Chicago O'Hare Intl

Tue 2/9

6:47 pm-11:57 pm

1 stop7h 10m

$409

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Sat 3/20

12:35 pm-11:46 pm

1 stop9h 11m

Chicago O'Hare Intl

Sun 3/28

6:30 am-11:56 am

1 stop7h 26m

$409

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Fri 12/4

12:26 pm-9:56 pm

1 stop7h 30m

Chicago O'Hare Intl

Mon 12/14

5:55 pm-12:05 am

1 stop8h 10m

$409

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Fri 12/11

3:51 pm-11:57 pm

1 stop6h 06m

Chicago O'Hare Intl

Mon 12/14

5:55 pm-12:05 am

1 stop8h 10m

$409

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Fri 4/23

5:20 am-1:31 pm

1 stop6h 11m

Chicago O'Hare Intl

Mon 4/26

6:00 pm-11:38 pm

1 stop7h 38m

$409

Quickest round-trip

PascoChicago

PSC Pasco Tri Cities - ORD Chicago O'Hare Intl

PSCORD

Pasco Tri Cities

Tue 12/15

3:51 pm-11:57 pm

1 stop6h 06m

Chicago O'Hare Intl

Tue 1/5

7:15 am-11:50 am

1 stop6h 35m

$409

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 August is also cheap. Prices for this month can be found on momondo for an average of $512.

Can stopping save me money on Pasco to Illinois flights?

You could potentially save up to 22% 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	$212
Fastest flight time	5h 30m
Direct flights	None

The best one-way flight to Illinois from Pasco in the past 72 hours is $212. The best round-trip flight deal from Pasco to Illinois found on momondo in the last 72 hours is $399.

The fastest flight from Pasco to Illinois takes 5h 30m

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 November 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 8,698 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.