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Cheap flights from Pasco to Illinois from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pasco to Illinois departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Pasco to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:23 am - 1:25 pm
PSC
-
ORD
6h 02m1 stop
Delta Logo
7:20 am - 11:51 am
ORD
-
PSC
6h 31m1 stop
$225Delta
Tue, Mar 17 - Wed, Mar 25
Delta Logo
1:00 pm - 11:53 pm
PSC
-
ORD
8h 53m1 stop
Delta Logo
1:50 pm - 11:09 pm
ORD
-
PSC
11h 19m2 stops
$230Delta
Sat, Jan 17 - Mon, Jan 26
Delta Logo
5:23 am - 6:00 pm
PSC
-
ORD
10h 37m2 stops
Delta Logo
7:20 am - 4:39 pm
ORD
-
PSC
11h 19m2 stops
$236Delta
Tue, Mar 17 - Wed, Mar 25
Alaska Airlines Logo
8:25 am - 11:56 pm
PSC
-
ORD
13h 31m1 stop
Alaska Airlines Logo
7:24 pm - 11:58 pm
ORD
-
PSC
6h 34m1 stop
$264Alaska Airlines
Tue, Mar 17 - Wed, Mar 25
Delta Logo
5:25 am - 1:25 pm
PSC
-
ORD
6h 00m1 stop
Delta Logo
7:25 am - 11:41 am
ORD
-
PSC
6h 16m1 stop
$265Delta
Tue, Mar 17 - Wed, Mar 25
Alaska Airlines Logo
8:25 am - 4:33 pm
PSC
-
ORD
6h 08m1 stop
Alaska Airlines Logo
7:00 am - 8:55 pm
ORD
-
PSC
15h 55m1 stop
$283Alaska Airlines
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
9:28 pm - 9:25 pm
PSC
-
STL
21h 57m1 stop
Multiple Airlines Logo
3:43 pm - 3:14 pm
STL
-
PSC
25h 31m2 stops
$354Multiple Airlines
Sun, Jan 4 - Thu, Jan 8
Multiple Airlines Logo
9:28 pm - 9:25 pm
PSC
-
STL
21h 57m1 stop
Multiple Airlines Logo
1:07 pm - 3:14 pm
STL
-
PSC
28h 07m1 stop
$371Multiple Airlines
Sun, Jan 4 - Thu, Jan 8
United Airlines Logo
6:05 am - 8:58 pm
PSC
-
STL
12h 53m2 stops
United Airlines Logo
9:57 am - 9:13 pm
STL
-
PSC
13h 16m2 stops
$433United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
5:00 am - 5:43 pm
PSC
-
STL
10h 43m2 stops
United Airlines Logo
9:57 am - 9:13 pm
STL
-
PSC
13h 16m2 stops
$443United Airlines
Sat, Jan 17 - Wed, Jan 21

Alaska Airlines flights from Pasco to Illinois

Our best Alaska Airlines deals on Pasco to Illinois flight tickets
Alaska Airlines
Mar 17
PSC8:25 amPasco Tri Cities
13h 31m
1 stop
ORD11:56 pmChicago O'Hare Intl
Mar 25
ORD6:50 pmChicago O'Hare Intl
20h 02m
1 stop
PSC12:52 pmPasco Tri Cities
$264
Find similar
Alaska Airlines
Feb 21
PSC8:25 amPasco Tri Cities
6h 08m
1 stop
ORD4:33 pmChicago O'Hare Intl
Feb 25
ORD7:00 amChicago O'Hare Intl
15h 55m
1 stop
PSC8:55 pmPasco Tri Cities
$283
Find similar
Alaska Airlines
Feb 21
PSC8:25 amPasco Tri Cities
13h 31m
1 stop
ORD11:56 pmChicago O'Hare Intl
Feb 25
ORD5:29 pmChicago O'Hare Intl
29h 26m
1 stop
PSC8:55 pmPasco Tri Cities
$284
Find similar

Delta flights from Pasco to Illinois

Our best Delta deals on Pasco to Illinois flight tickets
Delta
Mar 17
PSC5:25 amPasco Tri Cities
6h 00m
1 stop
ORD1:25 pmChicago O'Hare Intl
Mar 25
ORD7:25 amChicago O'Hare Intl
6h 16m
1 stop
PSC11:41 amPasco Tri Cities
$265
Find similar
Delta
Mar 17
PSC5:25 amPasco Tri Cities
6h 00m
1 stop
ORD1:25 pmChicago O'Hare Intl
Mar 25
ORD7:20 amChicago O'Hare Intl
11h 19m
2 stops
PSC4:39 pmPasco Tri Cities
$270
Find similar
Delta
Mar 17
PSC5:25 amPasco Tri Cities
10h 41m
2 stops
ORD6:06 pmChicago O'Hare Intl
Mar 25
ORD7:20 amChicago O'Hare Intl
11h 19m
2 stops
PSC4:39 pmPasco Tri Cities
$276
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pasco to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Pasco to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 3/17

5:23 am-1:25 pm

1 stop6h 02m

Chicago O'Hare Intl

Wed 3/25

7:20 am-11:51 am

1 stop6h 31m

$225

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Sat 1/17

1:00 pm-11:53 pm

1 stop8h 53m

Chicago O'Hare Intl

Mon 1/26

1:50 pm-11:09 pm

2 stops11h 19m

$230

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 3/17

5:23 am-6:00 pm

2 stops10h 37m

Chicago O'Hare Intl

Wed 3/25

7:20 am-4:39 pm

2 stops11h 19m

$236

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 3/17

8:25 am-11:56 pm

1 stop13h 31m

Chicago O'Hare Intl

Wed 3/25

7:24 pm-11:58 pm

1 stop6h 34m

$264

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Tue 3/17

5:25 am-1:25 pm

1 stop6h 00m

Chicago O'Hare Intl

Wed 3/25

7:25 am-11:41 am

1 stop6h 16m

$265

PascoChicago

PSC - ORD

PSCORD

Pasco Tri Cities

Sat 2/21

8:25 am-4:33 pm

1 stop6h 08m

Chicago O'Hare Intl

Wed 2/25

7:00 am-8:55 pm

1 stop15h 55m

$283

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 1/4

9:28 pm-9:25 pm

1 stop21h 57m

Lambert-St Louis

Thu 1/8

3:43 pm-3:14 pm

2 stops25h 31m

$354

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 1/4

9:28 pm-9:25 pm

1 stop21h 57m

Lambert-St Louis

Thu 1/8

1:07 pm-3:14 pm

1 stop28h 07m

$371

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sat 1/17

6:05 am-8:58 pm

2 stops12h 53m

Lambert-St Louis

Wed 1/21

9:57 am-9:13 pm

2 stops13h 16m

$433

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sat 1/17

5:00 am-5:43 pm

2 stops10h 43m

Lambert-St Louis

Wed 1/21

9:57 am-9:13 pm

2 stops13h 16m

$443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

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 $346, 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 $384.

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

The cheapest day to depart from Pasco to Illinois is on a Wednesday when prices can be found for as low as $401. Flights from Pasco to Illinois on a Sunday will generally be more expensive and average around $597. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Pasco to Illinois during this time can be as low as $465. Flights at noon are often more expensive with an average ticket price of $541.

Can stopping save me money on Pasco to Illinois flights?

You could potentially save up to 34% 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

6h 02m

Direct flights

None
The fastest flight from Pasco to Illinois takes 6h 02m
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?

  • 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
DeltaPriceFrom $173Free CancellationRating
7.9
8,017 reviews
Search Delta flights
Alaska AirlinesPriceFrom $258Free CancellationRating
8.0
11,494 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $356Free CancellationRating
7.4
9,099 reviews
Search United 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.

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