STL - PSC

$139 Find Cheap Flights from St. Louis to Pasco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Pasco departing on 10/1. 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.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Pasco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Pasco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Pasco, as well as popular online travel agencies
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Flights Deals

Cheap Flights from St. Louis to Pasco (STL-PSC)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Pasco 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 St. Louis to Pasco

Sat, Sep 27 - Tue, Sep 30
Delta Logo
6:40 am - 8:55 pmSTL-PSC
16h 15m2 stops
Delta Logo
5:47 pm - 8:37 amPSC-STL
12h 50m2 stops
$254Delta
Find Deal
Sat, Sep 27 - Tue, Sep 30
Delta Logo
6:00 am - 4:35 pmSTL-PSC
12h 35m2 stops
Delta Logo
5:47 pm - 8:37 amPSC-STL
12h 50m2 stops
$274Delta
Find Deal
Sat, Sep 27 - Tue, Sep 30
Delta Logo
6:00 am - 4:35 pmSTL-PSC
12h 35m2 stops
Delta Logo
6:00 am - 1:33 pmPSC-STL
5h 33m1 stop
$276Delta
Find Deal
Sat, Sep 27 - Tue, Sep 30
Hawaiian Airlines Logo
3:35 pm - 9:15 pmSTL-PSC
7h 40m1 stop
Hawaiian Airlines Logo
8:45 am - 5:34 pmPSC-STL
6h 49m1 stop
$290Hawaiian Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
American Airlines Logo
7:53 am - 1:43 pmSTL-PSC
7h 50m1 stop
American Airlines Logo
2:55 pm - 12:16 amPSC-STL
7h 21m1 stop
$417American Airlines
Find Deal
Tue, Jan 20 - Sat, Feb 21
Alaska Airlines Logo
2:55 pm - 8:56 pmSTL-PSC
8h 01m1 stop
Alaska Airlines Logo
9:00 am - 11:56 pmPSC-STL
12h 56m1 stop
$426Alaska Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 30
Alaska Airlines Logo
2:55 pm - 8:56 pmSTL-PSC
8h 01m1 stop
Alaska Airlines Logo
1:35 pm - 11:59 pmPSC-STL
8h 24m1 stop
$439Alaska Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 30
United Airlines Logo
9:00 am - 8:47 pmSTL-PSC
13h 47m2 stops
United Airlines Logo
5:25 am - 1:21 pmPSC-STL
5h 56m1 stop
$473United Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 30
United Airlines Logo
4:37 pm - 8:58 pmSTL-PSC
6h 21m1 stop
United Airlines Logo
5:25 am - 1:21 pmPSC-STL
5h 56m1 stop
$488United Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 18
American Airlines Logo
7:53 am - 1:43 pmSTL-PSC
7h 50m1 stop
American Airlines Logo
2:29 pm - 12:16 amPSC-STL
7h 47m1 stop
$529American Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to Pasco flights

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

What’s the cheapest day of the week to fly from St. Louis to Pasco?

The average price of all round-trip flights from St. Louis to Pasco clicked on KAYAK for each day over the last 12 months.

When flying from St. Louis to Pasco, you should consider leaving on a Wednesday and avoid Thursdays if you are looking for the best rates. For your return to St. Louis, you’ll find the best rates on Thursdays and the most expensive ones on Mondays.

What is the cheapest month to fly from St. Louis to Pasco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Pasco, 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 St. Louis to Pasco is October, where tickets cost $326 (return) on average. On the other hand, the most expensive months are June and September, where the average cost of round-trip tickets is $774 and $533 respectively.

Good to know

Low seasonFebruary
Cheapest flight$139
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from St. Louis to Pasco

When to book flights from St. Louis to Pasco

Are your dates flexible? Find out the best times to travel from St. Louis to Pasco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Pasco

  • What is the cheapest flight from St. Louis to Pasco?

    In the last 3 days, the lowest price for a flight from St. Louis to Pasco was $139 for a one-way ticket and $254 for a round-trip.

  • Do I need a passport to fly between St. Louis and Pasco?

    No

  • Which airports will I be using when flying from St. Louis to Pasco?

    St. Louis and Pasco are both served by 1 main airport. You will leave St. Louis from Lambert-St Louis and will be arriving at Pasco Tri Cities.

  • Which aircraft models fly most regularly from St. Louis to Pasco?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Pasco?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Pasco, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Pasco, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Pasco are Delta and Alaska Airlines. With an average price for the route of $476 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $498 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from St. Louis to Pasco?

    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 St. Louis to Pasco.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Pasco from St. Louis 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 St. Louis to Pasco?

    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 to Pasco with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and PSC can sometimes prove cheaper using this method.

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

    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 to Pasco from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from St. Louis to Pasco

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Pasco. 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 St. Louis to Pasco? 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.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.8Comfort
8.1Boarding
7.1Food
8.5Crew
7.1Entertainment
Airline reviews

Very nice as always. Not that it’s anyone’s fault really but for some reason the seat (16C) was really hard…. Not typical for your planes… dunno what or why… maybe it was just me ?, The flight was great otherwise

10.0 ExcellentLee, Jul 2025ORD - SEA
Read more Alaska Airlines reviews

Very nice as always. Not that it’s anyone’s fault really but for some reason the seat (16C) was really hard…. Not typical for your planes… dunno what or why… maybe it was just me ?, The flight was great otherwise

My experience was great with Alaska Airlines. They were very helpful when I was checking in. The flight crew was very helpful with our needs.

Crew members were friendly, but I wouldn’t use “entertaining” to describe them. Exact step by step instructions on getting wi-fi on the phone would be helpful.

Ease of reservations, confirmation. Cramped seating, very, very uncomfortable! Claustrophobic.

My husband unfortunately had a very large lady next to him who did not fit in the seat and had to have the armrest up so she was partially in his seat and she also had horrible BO

I liked the legroom even in row 26! I fell asleep immediately and slept the whole flight.

delayed flight 3 hours, then took 45 min to get to gate and another 10 min to open door

The plane was put out of service and had to wait for a new plane to be assigned. No one had any information and the information on the screens was never updated. The call wait time was 2 hours and the estimated time for text assistance was 55 minutes which was a lie because after 55 minutes nothing happened. I understand that delays happen but to not have anyone available to provide any update or reassurance was just negligent. Also, what is the point of having an 800 number if no one answers it and don’t get me started on the text message system. Ridiculous!

Very good; ohana atmosphere and taking care of customer care

Flight was delayed an hour, so that was inconvenient. But they tried to make it up in the air, which I appreciated. Crew was very nice, service was excellent. Description of food didn’t quite match what was served, but it was tasty. 👍🏽

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Check in process was terrible. Lady at counter didn’t know what she was doing

Delayed and took off even later than the scheduled delay time

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Great experience on Delta. Staff from baggage check to flight attendants were very courteous and professional. My only issue was a personal preference for pretzels instead of the chips and cookies that were offered.

There was no problems, just a little uncomfortable with seats that do not lay back a little

My flight was canceled after being rescheduled for four days canceling my trip. Kayak and everyone affiliated with it I.e the airlines, and just fly have been excruciating to deal with. My trip to visit family had to be canceled as there was no way to make it. I am furious at all of you.

They delayed our flight because of bad weather in NY which was completely understandable. Then they cancelled our flight and a later flight that evening. The earliest we could fly was the next morning. We ended up buying last minute tickets on another airline and made it home slightly delayed but safely that evening. Delta kept saying it was weather related but if that was the case how did we make it back on another airline? The weather in NY was cloudy but not bad.

There was a security issue at the airport and we were unable to land. We circled endlessly and then landed at another airfield for fuel. We then circled the airport again, almost landed but didn’t fully touch down before circling again. I am thankful to the crew for keeping us safe- the issue was the airline and staff at the airport getting us seats on our connecting flights. That part was hours of searching for someone and getting in double my steps.

Boarding was organised and relaxed. Crew were fantastic! Seats were lacking padding causing butt pain and stiffness.

Terrible. Delayed 7 hours, and cancelled the flight, leaving me stranded and out of pocket $500 for an alternative last minute flight

Was on time until within 1 hour of flight-how does that happen? Staff very friendly.

Weather delay in Chicago?. No sense of urgency to make connection in Chicago for our connecting flight that wasn't delayed. Connection was missed.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

I never flew. Flight was canceled. DIA worst airport in the country. Avoid at all costs.

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

It was delayed instead of departing at 9:20pm, we departed at 11pm… putting us in Columbus after 2am! It was awful. Had I known about the delay, I could have spent some time in the United Lounge… I was starving because I started my journey in Budapest… so I was exhausted and hungry. Plus I had to make new arrangements to be picked up at the airport in Columbus, instead of midnight it was 2:30 am after getting luggage and out of airport. Not feasible. I would have just stayed in Chicago for the night and gotten a morning flight.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

Everything you need to know for your flight from St. Louis to Pasco

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