$185 Find Cheap Flights from Pasco to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Pasco to Illinois departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Pasco to Illinois

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicago2 stops$384
St. Louis
St. Louis1 stop$445
Chicago
Chicago2 stops$384
St. Louis
St. Louis1 stop$445

Book Cheap Pasco to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Pasco to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Pasco to Illinois

Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
1:51 pm - 12:23 am
PSC
-
ORD
32h 32m
2 stops
Multiple Airlines Logo
8:55 pm - 6:00 pm
ORD
-
PSC
23h 05m
1 stop
$384Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
1:51 pm - 12:23 am
PSC
-
ORD
32h 32m
2 stops
Multiple Airlines Logo
8:55 pm - 6:00 pm
ORD
-
PSC
23h 05m
1 stop
$395Multiple Airlines
Thu, Oct 8 - Sat, Oct 10
Multiple Airlines Logo
10:52 am - 12:33 am
PSC
-
ORD
11h 41m
1 stop
Multiple Airlines Logo
2:46 pm - 11:02 am
ORD
-
PSC
22h 16m
2 stops
$400Multiple Airlines
Fri, Oct 2 - Wed, Oct 7
Multiple Airlines Logo
1:46 pm - 5:38 am
PSC
-
ORD
13h 52m
1 stop
Multiple Airlines Logo
6:30 am - 10:02 am
ORD
-
PSC
29h 32m
2 stops
$410Multiple Airlines
Tue, Jan 19 - Tue, Jan 19
Alaska Airlines Logo
5:22 am - 1:09 pm
PSC
-
ORD
5h 47m
1 stop
Alaska Airlines Logo
3:09 pm - 8:55 pm
ORD
-
PSC
7h 46m
1 stop
$417Alaska Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
7:05 am - 4:00 pm
PSC
-
MDW
6h 55m
1 stop
Delta Logo
2:00 pm - 7:41 pm
MDW
-
PSC
7h 41m
1 stop
$423Delta
Wed, Sep 30 - Tue, Oct 6
Delta Logo
3:25 pm - 11:57 pm
PSC
-
ORD
6h 32m
1 stop
Delta Logo
7:00 am - 2:44 pm
ORD
-
PSC
9h 44m
1 stop
$423Delta
Wed, Sep 16 - Sat, Sep 19
Alaska Airlines Logo
2:04 pm - 11:59 pm
PSC
-
ORD
7h 55m
1 stop
Alaska Airlines Logo
4:08 pm - 9:01 pm
ORD
-
PSC
6h 53m
1 stop
$423Alaska Airlines
Wed, Sep 30 - Sat, Oct 10
Delta Logo
7:05 am - 4:59 pm
PSC
-
ORD
7h 54m
1 stop
Delta Logo
7:00 am - 11:52 am
ORD
-
PSC
6h 52m
1 stop
$423Delta
Fri, Sep 11 - Wed, Sep 16
Alaska Airlines Logo
4:00 pm - 1:26 pm
PSC
-
ORD
19h 26m
1 stop
Alaska Airlines Logo
7:00 pm - 11:53 pm
ORD
-
PSC
6h 53m
1 stop
$423Alaska Airlines
Booking Insights

KAYAK's insights & trends for Pasco to Illinois flights

Get data-powered insights and trends into flights from Pasco to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Pasco to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Pasco to Illinois departing in September.

Flight prices are below average for this route right now.

Flights to Illinois from Pasco usually cost between $412 and $553 in September.
The lowest price found in the past 5 days was $384 on Multiple Airlines (Sep 10-Sep 17).

What is the cheapest month to fly from Pasco to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Pasco to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Pasco to Illinois is February, when tickets cost $328 (return) on average. On the other hand, the most expensive months are December and March, when the average cost of round-trip tickets is $693 and $618 respectively.

Good to know

Low season

March

Cheapest flight

$185
Best time to beat the crowds but there is an average 32% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Pasco to Chicago O'Hare Airport

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Pasco to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pasco to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pasco to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Pasco to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pasco to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Pasco to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pasco to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Pasco to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Pasco to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Pasco to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Pasco to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
Alaska AirlinesOverall score based on 12755 reviews
7.0Entertainment
8.1Boarding
7.8Comfort
8.5Crew
7.0Food
Airline reviews

Previously there were complimentary beverages served on short flights with Alaska Airlines. It was a very nice amenity and would love it if Alaska Airlines brought back that service!!

10.0 ExcellentChristine, Jul 2026
PSC - PDX
Read more Alaska Airlines reviews

Previously there were complimentary beverages served on short flights with Alaska Airlines. It was a very nice amenity and would love it if Alaska Airlines brought back that service!!

Initial flight was delayed, which caused me to miss my only connecting flight.

I'm tall and the seats do not have a headrest so its hard to get comfortable. Staff and checking were all great.

Don’t cancel the flight, had to spend a whole day sitting in the airport.

The flight attendant was very rude when I boarded. He expressed how he couldn't understand how I was able to bring two "oversized" bags onto the plane and "just this once" he would allow me to try to get my soft-sided duffle bag in the overhead compartment. These two oversized bags consisted of a roller computer bag that is small enough to fit under the seat of a small regional jet and a soft-sided duffle bag with a removal wheels system. Prior to the pandemic, I traveled for work twice a week. I suffer from neck and upper back issues and because of that, I researched carry-on luggage, looking for the smallest carry-on that would fit my needs, a 17" "under the seat" roller bag. How on earth is a bag, small enough to fit under the seat considered OVERSIZED? Then when I asked for an explanation, as I like to be an educated traveler, he got very indigent and "passed me off" to someone else to talk to me. The explanation I was given was it had to do with the wheels and the size of the luggage is not taken into consideration, REALLY? No one, in the general public would automatically understand that the presence of wheels on a piece of luggage would throw it in the Oversized" category and for the Alaska staff to not have the ability to make a logical decision and think for themselves to offer a reasonable level of customer service speaks to the culture of the company and where Alaska places customer service in their priorities. Your c-suite should spend a day with the Nordstrom's and learn a thing or two about creating a culture of reasonable and responsible customer service.

Shari, flight attendant was impatient and rude. I am a seasoned traveler and I know how passengers should be treated. We were boarding with family and we were trying to figure out our seat assignment and instead of lending us a helping hand she yelled at us and embarrassed us. We were literally there for less than 30 seconds and she made quite the show about us getting out of the isle instead of asking if we need assistance. I could not believe how rude she was. My husband and children were with me and can attest to her rudeness. After she yell at us to "get out of the isle, she literally went the opposite direction of the people boarding, towards the front of the plane and held up the flow of boarding herself. I think she has an attitude problem which needs to be addressed. It takes a lot to make me mad, I am a very peaceful person and because of her rudeness, I was upset. That is not the way passengers should be treated,

I liked that I arrived safety to Seattle then Honolulu . However, flight was delayed twice in Pasco. I still had to pay for checked in bag. My bag was lost and shown "still on counter at Seattle." I didn't get my bag until 8/2/24 in the evening when I arrived on 8/1/24. Terrible experience .

Alaska crew was so friendly and made the trip great.

I was happy with my whole experience, and it was a smooth flight. Thank you

Checking in was very easy. Boarding and the flights went smoothly.

It was as good as it could be. Flying is not a pleasant experience these days.

There was an unruly family behind us that made the short flight miserable!!! The cabin crew did nothing to contain it.

Flight delay was frustrating, also you cannot checkin online without delta app, web browser check-in throw errors

Got on the plane and sat there for an hour before departure.

Very large passenger too space from my own seat. Arm board couldn’t be lowered because of his size. It wads very uncomfortable trip, as the flight was full couldn’t move anywhere having back pain because of the position in which I was the entire flight.

Cramped seating for me. Luckily it wasn’t a long flight

5 hour delay. They blamed the weather but it was the computer issues they had been dealing with for days.

I usually have a positive experience with Delta. Complimentary upgrades are always nice!

The captain was amazing and kept us informed throughout that there would be some rough air. The flight also got delayed but we were able to actually leave on time, which was great.

The staff did not do a good job of getting everyone boarded quickly, so we missed our take off window and had to sit on the tarmac for 20+ min waiting for our turn. The plan was old. Pockets on the back of seats were torn and tearing off. One of the attendants was rude-she would ask a question but he walking away before you finished answering so she kept getting our drink orders wrong.

Everything you need to know for your flight from Pasco to Illinois

Information on your arrival and departure airports