$224+ Cheap flights from St. Louis to Pasco (STL - PSC)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Pasco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Pasco
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Best
Last-minute
One-way
Cheapest flights from St. Louis to PascoExplore the most affordable flight options available from St. Louis to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from St. Louis to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:55 pm
STL
- PSC
1 stop5h 59m
Delta
Sat 8/88:50 am
PSC
- STL
1 stop6h 02m
Delta
Deal found 5/6![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
STL
- PSC
1 stop5h 47m
Delta
Mon 6/16:20 am
PSC
- STL
2 stops10h 43m
Delta
Deal found 5/5![Delta logo]()
$441
This Expedia deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Mon 7/63:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sun 5/241:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:23 pm
STL
- PSC
1 stop7h 23m
United Airlines
Sun 5/317:00 am
PSC
- STL
1 stop9h 17m
United Airlines
Deal found 5/5![United Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:31 pm
STL
- PSC
2 stops27h 27m
Multiple Airlines
Mon 7/68:48 pm
PSC
- STL
1 stop19h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$478
This Expedia deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Tue 6/21:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:35 pm
STL
- PSC
1 stop8h 18m
United Airlines
Sun 5/245:14 am
PSC
- STL
2 stops12h 09m
United Airlines
Deal found 5/5![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
STL
- PSC
1 stop5h 47m
Delta
Sun 5/312:46 pm
PSC
- STL
1 stop7h 44m
Delta
Deal found 5/3![Delta logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sun 5/3111:41 am
PSC
- STL
1 stop10h 13m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:49 am
STL
- PSC
2 stops9h 52m
Delta
Mon 7/65:21 pm
PSC
- STL
1 stop5h 22m
Delta
Deal found 5/4![Delta logo]()
$497
Best flights from St. Louis to PascoDiscover carefully curated flight deals from St. Louis to Pasco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from St. Louis to Pasco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
STL
- PSC
1 stop5h 47m
Delta
Mon 6/19:59 am
PSC
- STL
1 stop7h 04m
Delta
Deal found 5/5![Delta logo]()
$436
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:23 pm
STL
- PSC
1 stop7h 23m
United Airlines
Sun 5/317:00 am
PSC
- STL
1 stop9h 17m
United Airlines
Deal found 5/5![United Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sun 5/3111:41 am
PSC
- STL
1 stop10h 13m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:00 am
STL
- PSC
1 stop8h 06m
American Airlines
Thu 7/305:15 am
PSC
- STL
1 stop6h 38m
American Airlines
Deal found 5/1![American Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:55 pm
STL
- PSC
1 stop5h 59m
Delta
Sat 8/88:50 am
PSC
- STL
1 stop6h 02m
Delta
Deal found 5/6![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:11 pm
STL
- PSC
1 stop6h 22m
Delta
Mon 6/16:20 am
PSC
- STL
2 stops10h 43m
Delta
Deal found 5/5![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
STL
- PSC
1 stop5h 47m
Delta
Sun 5/312:46 pm
PSC
- STL
1 stop7h 44m
Delta
Deal found 5/3![Delta logo]()
$492
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated May 6, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sun 5/241:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:35 pm
STL
- PSC
1 stop8h 18m
United Airlines
Sun 5/245:14 am
PSC
- STL
2 stops12h 09m
United Airlines
Deal found 5/5![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:19 am
STL
- PSC
2 stops11h 14m
Delta
Sun 5/246:20 am
PSC
- STL
2 stops12h 46m
Delta
Deal found 5/5![Delta logo]()
$513
This Expedia deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Tue 6/21:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
STL
- PSC
1 stop5h 47m
Delta
Mon 6/19:59 am
PSC
- STL
1 stop7h 04m
Delta
Deal found 5/5![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
STL
- PSC
1 stop5h 47m
Delta
Sun 5/312:46 pm
PSC
- STL
1 stop7h 44m
Delta
Deal found 5/3![Delta logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sun 5/3111:41 am
PSC
- STL
1 stop10h 13m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:00 am
STL
- PSC
1 stop8h 58m
American Airlines
Sun 5/313:29 pm
PSC
- STL
1 stop6h 29m
American Airlines
Deal found 5/6![American Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:23 pm
STL
- PSC
1 stop7h 23m
United Airlines
Sun 5/317:00 am
PSC
- STL
1 stop9h 17m
United Airlines
Deal found 5/5![United Airlines logo]()
$471
One-way flights from St. Louis to PascoSearch for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:55 pm
STL
- PSC
1 stop5h 59m
Delta
Deal found 5/6![Delta logo]()
$224
This eDestinos deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:08 pm
STL
- PSC
2 stops25h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$244
Find flight deals from St. Louis to Pasco
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pasco (PSC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $436 (Delta) |
One-way from | $224 (Delta) |
Popular in | June |
Cheapest in | May |
Average price | $416 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Pasco 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, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
Use the filters below to find and compare flights from St. Louis to Pasco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 5/28
7:59 pm-11:46 pm
1 stop5h 47m
Pasco Tri Cities
Mon 6/1
9:59 am-7:03 pm
1 stop7h 04m
$436
Quickest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
7:55 pm-11:54 pm
1 stop5h 59m
Pasco Tri Cities
Sat 8/8
8:50 am-4:52 pm
1 stop6h 02m
$436
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 5/29
3:11 pm-7:33 pm
1 stop6h 22m
Pasco Tri Cities
Mon 6/1
6:20 am-7:03 pm
2 stops10h 43m
$441
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sat 5/30
7:23 pm-12:46 am
1 stop7h 23m
Pasco Tri Cities
Sun 5/31
7:00 am-6:17 pm
1 stop9h 17m
$471
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 5/28
7:59 pm-11:46 pm
1 stop5h 47m
Pasco Tri Cities
Sun 5/31
2:46 pm-12:30 am
1 stop7h 44m
$492
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 5/28
7:41 pm-12:14 am
1 stop6h 33m
Pasco Tri Cities
Sun 5/31
11:41 am-11:54 pm
1 stop10h 13m
$493
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mon 7/27
8:00 am-2:06 pm
1 stop8h 06m
Pasco Tri Cities
Thu 7/30
5:15 am-1:53 pm
1 stop6h 38m
$503
Cheapest one-way
Quickest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
7:55 pm-11:54 pm
1 stop5h 59m
$224
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sun 7/19
2:52 pm-7:58 pm
1 stop31h 06m
$249
Sorted by cheapest first
Compare providers for flights from St. Louis to Pasco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Pasco in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Pasco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Pasco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Pasco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Pasco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Pasco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Pasco
Have a flexible travel schedule? Discover the best time to fly to Pasco from St. Louis with our price prediction graph.
STL-PSC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Pasco
Reviews of airlines servicing Pasco
Get insights into the airlines that provide service to Pasco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pasco. Reviews last updated May 6, 2026.
Get a feel of what it's like to fly with Delta from St. Louis to Pasco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.9
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.9
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Pasco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Pasco?
Book flights to Pasco if you plan to visit one of these locationsKennewick
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St. Louis and Pasco flights
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Top airline flying from St. Louis to Pasco
Discover the top airline that operate flights from St. Louis to Pasco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$476 | FlexibilityNo cancel fee | On-timeN/A |