$204+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Mar 29 — Apr 51
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
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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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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 February 27, 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 February 27, 2026.
This Delta deal was found by Cheapflights users on 2/26. 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.
Tue 4/216:45 pm
STL
- PSC
1 stop6h 59m
Delta
Thu 4/305:13 pm
PSC
- STL
1 stop5h 12m
Delta
Deal found 2/26![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 2/23. 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.
Sun 4/197:00 am
STL
- PSC
1 stop6h 36m
Delta
Tue 4/2112:28 pm
PSC
- STL
2 stops9h 57m
Delta
Deal found 2/23![Delta logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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.
Sat 8/296:20 pm
STL
- PSC
1 stop6h 16m
Alaska Airlines
Wed 9/26:00 am
PSC
- STL
1 stop6h 26m
Alaska Airlines
Deal found 2/23![Alaska Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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.
Sun 4/197:00 am
STL
- PSC
2 stops37h 49m
Alaska Airlines
Tue 4/217:00 am
PSC
- STL
2 stops14h 59m
Alaska Airlines
Deal found 2/23![Alaska Airlines logo]()
$539
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 February 27, 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 February 27, 2026.
This Delta deal was found by Cheapflights users on 2/26. 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.
Tue 4/216:45 pm
STL
- PSC
1 stop6h 59m
Delta
Thu 4/305:13 pm
PSC
- STL
1 stop5h 12m
Delta
Deal found 2/26![Delta logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 2/23. 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.
Sun 4/197:00 am
STL
- PSC
2 stops37h 49m
Alaska Airlines
Tue 4/217:00 am
PSC
- STL
2 stops14h 59m
Alaska Airlines
Deal found 2/23![Alaska Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Fri 3/132:50 pm
STL
- PSC
1 stop8h 04m
United Airlines
Tue 3/175:05 am
PSC
- STL
1 stop6h 14m
United Airlines
Deal found 2/26![United Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 2/23. 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.
Sun 4/197:00 am
STL
- PSC
1 stop6h 36m
Delta
Tue 4/2112:28 pm
PSC
- STL
2 stops9h 57m
Delta
Deal found 2/23![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 2/25. 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.
Thu 3/129:00 am
STL
- PSC
1 stop6h 43m
United Airlines
Mon 3/165:05 am
PSC
- STL
2 stops16h 46m
United Airlines
Deal found 2/25![United Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 2/26. 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 3/137:15 am
STL
- PSC
2 stops11h 24m
Delta
Tue 3/1712:45 pm
PSC
- STL
2 stops8h 40m
Delta
Deal found 2/26![Delta logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 3/128:00 am
STL
- PSC
2 stops12h 27m
Alaska Airlines
Mon 3/167:04 pm
PSC
- STL
2 stops11h 51m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$810
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated February 27, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated February 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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.
Fri 2/272:47 pm
STL
- PSC
1 stop8h 08m
Alaska Airlines
Sun 3/15:12 am
PSC
- STL
1 stop7h 11m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 2/26. 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 2/276:40 pm
STL
- PSC
1 stop6h 58m
Delta
Sun 3/16:45 am
PSC
- STL
2 stops11h 58m
Delta
Deal found 2/26![Delta logo]()
$928
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Fri 2/279:55 am
STL
- PSC
2 stops12h 55m
United Airlines
Sun 3/15:00 am
PSC
- STL
3 stops12h 14m
United Airlines
Deal found 2/26![United Airlines logo]()
$1,058
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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.
Fri 2/277:00 am
STL
- PSC
1 stop7h 19m
Alaska Airlines
Fri 2/277:04 pm
PSC
- STL
2 stops11h 51m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$1,218
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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 3/127:00 am
STL
- PSC
1 stop7h 19m
Alaska Airlines
Mon 3/165:12 am
PSC
- STL
1 stop6h 39m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 2/25. 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.
Thu 3/129:00 am
STL
- PSC
1 stop6h 43m
United Airlines
Mon 3/165:05 am
PSC
- STL
2 stops16h 46m
United Airlines
Deal found 2/25![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Fri 3/132:50 pm
STL
- PSC
1 stop8h 04m
United Airlines
Tue 3/175:05 am
PSC
- STL
1 stop6h 14m
United Airlines
Deal found 2/26![United Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 2/26. 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 3/137:15 am
STL
- PSC
2 stops11h 24m
Delta
Tue 3/1712:45 pm
PSC
- STL
2 stops8h 40m
Delta
Deal found 2/26![Delta logo]()
$677
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 February 27, 2026.
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated February 27, 2026.
This Delta deal was found by Cheapflights users on 2/24. 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.
Mon 3/233:05 pm
STL
- PSC
1 stop6h 51m
Delta
Deal found 2/24![Delta logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 2/25. 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.
Sun 6/75:33 pm
STL
- PSC
2 stops19h 31m
Alaska Airlines
Deal found 2/25![Alaska Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 3/510:11 pm
STL
- PSC
1 stop24h 24m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/24. 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 3/186:12 pm
STL
- PSC
1 stop7h 17m
Delta
Deal found 2/24![Delta logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 2/25. 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.
Sun 6/77:41 pm
STL
- PSC
3 stops28h 43m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 2/24. 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.
Mon 3/238:10 pm
STL
- PSC
3 stops43h 14m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$608
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 February 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (Delta) |
One-way from | $204 (United Airlines) |
Popular in | June |
Cheapest in | May |
Average price | $499 |
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 February 27, 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
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 4/21
6:45 pm-11:44 pm
1 stop6h 59m
Pasco Tri Cities
Thu 4/30
5:13 pm-12:25 am
1 stop5h 12m
$342
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sun 4/19
7:00 am-11:36 am
1 stop6h 36m
Pasco Tri Cities
Tue 4/21
12:28 pm-12:25 am
2 stops9h 57m
$367
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sun 4/19
7:00 am-6:49 pm
2 stops37h 49m
Pasco Tri Cities
Tue 4/21
7:00 am-11:59 pm
2 stops14h 59m
$539
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 3/13
2:50 pm-8:54 pm
1 stop8h 04m
Pasco Tri Cities
Tue 3/17
5:05 am-1:19 pm
1 stop6h 14m
$569
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 3/13
7:15 am-4:39 pm
2 stops11h 24m
Pasco Tri Cities
Tue 3/17
12:45 pm-11:25 pm
2 stops8h 40m
$677
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 3/12
9:00 am-1:43 pm
1 stop6h 43m
Pasco Tri Cities
Mon 3/16
5:05 am-11:51 pm
2 stops16h 46m
$724
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 3/12
8:00 am-6:27 pm
2 stops12h 27m
Pasco Tri Cities
Mon 3/16
7:04 pm-8:55 am
2 stops11h 51m
$810
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mon 3/23
5:25 pm-11:29 pm
2 stops8h 04m
$235
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sun 6/7
5:33 pm-11:04 am
2 stops19h 31m
$264
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 3/5
10:11 pm-8:35 pm
1 stop24h 24m
$309
Showing 1-10 of 13 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 February.
| 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.
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 February 27, 2026.
Get a feel of what it's like to fly with Delta and United Airlines 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.
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 February 27, 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 February 27, 2026.
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Popular flight searches
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Top 2 airlines flying from St. Louis to Pasco
Discover the top 2 airlines 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 February 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$445 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$323 | Average$442 | FlexibilityNo cancel fee | On-time69% |