$139+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Apr 11 — Apr 181
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 March 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 March 12, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/16:12 pm
STL
- PSC
1 stop7h 17m
Delta
Thu 4/95:19 pm
PSC
- STL
1 stop5h 02m
Delta
Deal found 3/9![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 5/62:35 pm
STL
- PSC
1 stop8h 18m
United Airlines
Sat 5/95:00 am
PSC
- STL
1 stop7h 28m
United Airlines
Deal found 3/8![United Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/210:12 pm
STL
- PSC
1 stop24h 24m
Multiple Airlines
Mon 4/139:14 pm
PSC
- STL
2 stops48h 05m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 3/7. 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 4/26:12 pm
STL
- PSC
1 stop7h 17m
Delta
Mon 4/135:13 pm
PSC
- STL
1 stop5h 12m
Delta
Deal found 3/7![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 5/68:00 am
STL
- PSC
2 stops12h 53m
Alaska Airlines
Sat 5/97:30 pm
PSC
- STL
2 stops11h 24m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$437
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 March 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 March 12, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/62:35 pm
STL
- PSC
1 stop8h 18m
United Airlines
Sat 5/95:00 am
PSC
- STL
1 stop7h 28m
United Airlines
Deal found 3/7![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 4/15:25 pm
STL
- PSC
2 stops8h 04m
Delta
Thu 4/912:45 pm
PSC
- STL
2 stops8h 40m
Delta
Deal found 3/8![Delta logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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.
Wed 5/68:00 am
STL
- PSC
2 stops12h 53m
Alaska Airlines
Sat 5/97:30 pm
PSC
- STL
2 stops11h 24m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 3/7. 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 4/26:12 pm
STL
- PSC
1 stop7h 17m
Delta
Mon 4/135:13 pm
PSC
- STL
1 stop5h 12m
Delta
Deal found 3/7![Delta logo]()
$427
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated March 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/228:06 pm
STL
- PSC
1 stop24h 06m
Multiple Airlines
Thu 3/263:30 pm
PSC
- STL
2 stops17h 49m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Sun 3/222:50 pm
STL
- PSC
1 stop8h 04m
United Airlines
Thu 3/2612:45 pm
PSC
- STL
1 stop5h 56m
United Airlines
Deal found 3/7![United Airlines logo]()
$763
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 3/225:12 am
STL
- PSC
2 stops12h 52m
Alaska Airlines
Thu 3/266:11 pm
PSC
- STL
2 stops14h 48m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$941
This Delta deal was found by Cheapflights users on 3/9. 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.
Wed 4/16:12 pm
STL
- PSC
1 stop7h 17m
Delta
Thu 4/95:19 pm
PSC
- STL
1 stop5h 02m
Delta
Deal found 3/9![Delta logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/210:12 pm
STL
- PSC
1 stop24h 24m
Multiple Airlines
Mon 4/139:14 pm
PSC
- STL
2 stops48h 05m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 3/7. 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 4/26:12 pm
STL
- PSC
1 stop7h 17m
Delta
Mon 4/135:13 pm
PSC
- STL
1 stop5h 12m
Delta
Deal found 3/7![Delta logo]()
$427
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 March 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 March 12, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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.
Tue 4/216:45 pm
STL
- PSC
1 stop6h 59m
Delta
Deal found 3/8![Delta logo]()
$139
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/229:10 am
STL
- PSC
2 stops13h 51m
United Airlines
Deal found 3/8![United Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/259:16 am
STL
- PSC
2 stops13h 45m
United Airlines
Deal found 3/8![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 3/8. 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.
Sat 4/255:00 pm
STL
- PSC
1 stop7h 39m
Delta
Deal found 3/8![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 3/8. 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.
Mon 4/206:45 pm
STL
- PSC
2 stops23h 48m
Delta
Deal found 3/8![Delta logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:59 pm
STL
- PSC
3 stops47h 41m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:06 pm
STL
- PSC
2 stops44h 34m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:12 pm
STL
- PSC
1 stop24h 24m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 4/239:55 pm
STL
- PSC
1 stop24h 29m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$227
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $352 (Delta) |
One-way from | $139 (Delta) |
Popular in | June |
Cheapest in | May |
Average price | $465 |
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 March 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
Wed 5/6
2:35 pm-8:53 pm
1 stop8h 18m
Pasco Tri Cities
Sat 5/9
5:00 am-2:28 pm
1 stop7h 28m
$367
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 4/1
5:25 pm-11:29 pm
2 stops8h 04m
Pasco Tri Cities
Thu 4/9
12:45 pm-11:25 pm
2 stops8h 40m
$413
Quickest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 4/2
6:12 pm-11:29 pm
1 stop7h 17m
Pasco Tri Cities
Mon 4/13
5:13 pm-12:25 am
1 stop5h 12m
$427
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 5/6
8:00 am-6:53 pm
2 stops12h 53m
Pasco Tri Cities
Sat 5/9
7:30 pm-8:54 am
2 stops11h 24m
$437
Cheapest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 4/22
9:10 am-9:01 pm
2 stops13h 51m
$154
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sat 4/25
5:00 pm-10:39 pm
1 stop7h 39m
$190
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 4/23
6:45 pm-4:33 pm
2 stops23h 48m
$199
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 4/24
8:06 pm-2:40 pm
2 stops44h 34m
$207
Quickest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mon 4/20
6:45 pm-11:44 pm
1 stop6h 59m
$224
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 4/23
9:55 pm-8:24 pm
1 stop24h 29m
$227
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 March.
| 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 March 12, 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.
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Overall
7.9
Comfort
7.9
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 March 12, 2026.
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Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on March 12, 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$465 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$323 | Average$442 | FlexibilityNo cancel fee | On-time69% |