$213+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Pasco with Cheapflights
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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
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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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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 Mai 12, 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 Mai 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Mi 10/287:00 am
STL
- PSC
1 stop8h 18m
Alaska Airlines
Sa 10/316:01 am
PSC
- STL
1 stop7h 43m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 5/8. 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.
So 5/246:45 am
STL
- PSC
2 stops12h 05m
Delta
Do 5/285:00 pm
PSC
- STL
1 stop5h 30m
Delta
Deal found 5/8![Delta logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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.
Fr 5/227:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sa 5/3011:41 am
PSC
- STL
1 stop10h 13m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 5/9. 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.
Fr 5/225:36 pm
STL
- PSC
2 stops8h 10m
Delta
Sa 5/306:00 am
PSC
- STL
1 stop5h 32m
Delta
Deal found 5/9![Delta logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Do 7/26:31 pm
STL
- PSC
2 stops27h 27m
Multiple Airlines
Mo 7/68:48 pm
PSC
- STL
1 stop19h 17m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Do 5/287:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
So 5/311:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 5/10. 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.
Sa 5/237:05 am
STL
- PSC
2 stops11h 45m
Delta
Sa 5/306:00 am
PSC
- STL
1 stop5h 32m
Delta
Deal found 5/10![Delta logo]()
$506
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 Mai 12, 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 Mai 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Mi 10/287:00 am
STL
- PSC
1 stop8h 18m
Alaska Airlines
Sa 10/316:01 am
PSC
- STL
1 stop7h 43m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 5/8. 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.
So 5/245:00 pm
STL
- PSC
1 stop7h 37m
Delta
Do 5/282:46 pm
PSC
- STL
1 stop7h 44m
Delta
Deal found 5/8![Delta logo]()
$425
This Delta deal was found by Cheapflights users on 5/8. 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.
Fr 7/247:55 pm
STL
- PSC
1 stop5h 59m
Delta
Sa 8/88:50 am
PSC
- STL
1 stop6h 02m
Delta
Deal found 5/8![Delta logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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.
Fr 5/227:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sa 5/3011:41 am
PSC
- STL
1 stop10h 13m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Do 5/287:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
So 5/311:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 5/10. 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.
Sa 5/237:05 am
STL
- PSC
2 stops11h 45m
Delta
Sa 5/305:00 pm
PSC
- STL
2 stops13h 18m
Delta
Deal found 5/10![Delta logo]()
$511
This Delta deal was found by Cheapflights users on 5/11. 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.
Do 7/27:55 pm
STL
- PSC
1 stop6h 03m
Delta
Mo 7/65:21 pm
PSC
- STL
1 stop5h 22m
Delta
Deal found 5/11![Delta logo]()
$529
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated Mai 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated Mai 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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.
Fr 5/227:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
Sa 5/3011:41 am
PSC
- STL
1 stop10h 13m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 5/9. 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.
Fr 5/225:36 pm
STL
- PSC
2 stops8h 10m
Delta
Sa 5/306:00 am
PSC
- STL
1 stop5h 32m
Delta
Deal found 5/9![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 5/10. 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.
Sa 5/237:05 am
STL
- PSC
2 stops11h 45m
Delta
Sa 5/306:00 am
PSC
- STL
1 stop5h 32m
Delta
Deal found 5/10![Delta logo]()
$506
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Sa 5/2311:25 am
STL
- PSC
2 stops15h 21m
United Airlines
Sa 5/305:14 am
PSC
- STL
1 stop5h 28m
United Airlines
Deal found 5/8![United Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Sa 5/238:00 am
STL
- PSC
1 stop8h 58m
American Airlines
So 5/313:29 pm
PSC
- STL
1 stop6h 29m
American Airlines
Deal found 5/11![American Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 5/8. 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.
So 5/245:00 pm
STL
- PSC
1 stop7h 37m
Delta
Do 5/282:46 pm
PSC
- STL
1 stop7h 44m
Delta
Deal found 5/8![Delta logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Do 5/287:41 pm
STL
- PSC
1 stop6h 33m
Alaska Airlines
So 5/311:51 pm
PSC
- STL
1 stop8h 03m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 5/12. 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.
Do 5/283:11 pm
STL
- PSC
1 stop6h 22m
Delta
So 5/316:00 am
PSC
- STL
1 stop5h 32m
Delta
Deal found 5/12![Delta logo]()
$513
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 Mai 12, 2026.
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated Mai 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Mi 5/277:23 pm
STL
- PSC
1 stop7h 23m
United Airlines
Deal found 5/9![United Airlines logo]()
$213
This Delta deal was found by Cheapflights users on 5/8. 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.
Fr 7/247:55 pm
STL
- PSC
1 stop5h 59m
Delta
Deal found 5/8![Delta logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Mi 7/224:52 pm
STL
- PSC
3 stops53h 06m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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.
Fr 7/247:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Fr 7/242:52 pm
STL
- PSC
3 stops49h 03m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Fr 7/248:00 am
STL
- PSC
1 stop8h 50m
American Airlines
Deal found 5/10![American Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Mi 5/276:21 am
STL
- PSC
3 stops30h 43m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$676
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 Mai 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (Alaska Airlines) |
One-way from | $213 (United Airlines) |
Popular in | May |
Cheapest in | October |
Average price | $548 |
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 Mai 12, 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
Mi 10/28
7:00 am-1:18 pm
1 stop8h 18m
Pasco Tri Cities
Sa 10/31
6:01 am-3:44 pm
1 stop7h 43m
$425
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
So 5/24
5:00 pm-10:37 pm
1 stop7h 37m
Pasco Tri Cities
Do 5/28
2:46 pm-12:30 am
1 stop7h 44m
$425
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fr 7/24
7:55 pm-11:54 pm
1 stop5h 59m
Pasco Tri Cities
Sa 8/8
8:50 am-4:52 pm
1 stop6h 02m
$479
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fr 5/22
7:41 pm-12:14 am
1 stop6h 33m
Pasco Tri Cities
Sa 5/30
11:41 am-11:54 pm
1 stop10h 13m
$479
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Do 5/28
7:41 pm-12:14 am
1 stop6h 33m
Pasco Tri Cities
So 5/31
1:51 pm-11:54 pm
1 stop8h 03m
$501
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sa 5/23
7:05 am-4:50 pm
2 stops11h 45m
Pasco Tri Cities
Sa 5/30
5:00 pm-8:18 am
2 stops13h 18m
$511
Quickest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Do 7/2
7:55 pm-11:58 pm
1 stop6h 03m
Pasco Tri Cities
Mo 7/6
5:21 pm-12:43 am
1 stop5h 22m
$529
Cheapest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mi 5/27
7:23 pm-12:46 am
1 stop7h 23m
$213
Quickest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mi 7/22
7:55 pm-11:54 pm
1 stop5h 59m
$213
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fr 7/24
7:55 pm-11:54 pm
1 stop5h 59m
$229
Showing 1-10 of 12 resultsSorted 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 Mai 12, 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.
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Browse other St. Louis and Pasco flight options. Last updated on Mai 12, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on Mai 12, 2026.
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 Mai 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$476 | FlexibilityNo cancel fee | On-timeN/A |