$226+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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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 July 1, 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 July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 9/1710:35 am
STL
- PSC
2 stops33h 25m
Multiple Airlines
Mon 9/218:32 pm
PSC
- STL
1 stop13h 19m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$332
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:29 am
STL
- PSC
1 stop8h 58m
Alaska Airlines
Tue 9/296:00 am
PSC
- STL
1 stop6h 21m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 6/28. 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 8/198:50 am
STL
- PSC
2 stops13h 47m
United Airlines
Tue 8/2512:54 pm
PSC
- STL
1 stop5h 52m
United Airlines
Deal found 6/28![United Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 8/195:42 am
STL
- PSC
2 stops11h 06m
American Airlines
Tue 8/255:15 am
PSC
- STL
2 stops10h 50m
American Airlines
Deal found 6/28![American Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 am
STL
- PSC
1 stop8h 39m
Alaska Airlines
Wed 8/266:00 am
PSC
- STL
1 stop6h 06m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 9/165:43 am
STL
- PSC
2 stops11h 08m
American Airlines
Tue 9/225:05 am
PSC
- STL
2 stops12h 02m
American Airlines
Deal found 6/30![American Airlines logo]()
$473
This Expedia deal was found by Cheapflights users on 6/30. 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.
Fri 7/107:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Tue 7/143:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$513
This Expedia deal was found by Cheapflights users on 6/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Thu 7/1612:56 pm
PSC
- STL
1 stop9h 03m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$525
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 July 1, 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 July 1, 2026.
This United Airlines deal was found by Cheapflights users on 6/28. 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 8/198:50 am
STL
- PSC
2 stops13h 47m
United Airlines
Tue 8/2512:54 pm
PSC
- STL
1 stop5h 52m
United Airlines
Deal found 6/28![United Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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.
Tue 8/256:35 am
STL
- PSC
1 stop8h 39m
Alaska Airlines
Wed 8/266:00 am
PSC
- STL
1 stop6h 06m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:01 am
STL
- PSC
1 stop8h 49m
American Airlines
Sat 8/13:24 pm
PSC
- STL
1 stop6h 34m
American Airlines
Deal found 6/27![American Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:55 pm
STL
- PSC
1 stop5h 59m
Delta
Mon 8/35:24 pm
PSC
- STL
1 stop5h 17m
Delta
Deal found 6/27![Delta logo]()
$517
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 8/258:00 am
STL
- PSC
2 stops14h 37m
United Airlines
Wed 8/265:15 am
PSC
- STL
1 stop5h 25m
United Airlines
Deal found 6/29![United Airlines logo]()
$530
This Orbitz deal was found by Cheapflights users on 6/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:40 pm
STL
- PSC
1 stop9h 12m
Alaska Airlines
Fri 10/164:01 pm
PSC
- STL
2 stops21h 43m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$550
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated July 1, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/27. 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 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
Fri 7/312:56 pm
PSC
- STL
1 stop9h 03m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:23 pm
STL
- PSC
1 stop7h 27m
United Airlines
Fri 7/35:14 am
PSC
- STL
2 stops10h 13m
United Airlines
Deal found 6/27![United Airlines logo]()
$562
This Expedia deal was found by Cheapflights users on 6/30. 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.
Fri 7/107:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Tue 7/143:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$513
This Expedia deal was found by Cheapflights users on 6/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Thu 7/1612:56 pm
PSC
- STL
1 stop9h 03m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:01 am
STL
- PSC
1 stop8h 49m
American Airlines
Sat 8/15:15 am
PSC
- STL
2 stops12h 38m
American Airlines
Deal found 6/27![American Airlines logo]()
$570
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:01 am
STL
- PSC
2 stops11h 26m
Alaska Airlines
Sat 8/13:59 pm
PSC
- STL
2 stops14h 38m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$573
This Delta deal was found by Cheapflights users on 6/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:55 pm
STL
- PSC
1 stop5h 59m
Delta
Mon 8/35:24 pm
PSC
- STL
1 stop5h 17m
Delta
Deal found 6/27![Delta logo]()
$517
This Expedia deal was found by Cheapflights users on 6/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Mon 8/33:59 pm
PSC
- STL
2 stops14h 32m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$587
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:14 pm
STL
- PSC
2 stops12h 05m
American Airlines
Mon 8/35:15 am
PSC
- STL
2 stops12h 38m
American Airlines
Deal found 6/27![American Airlines logo]()
$647
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 July 1, 2026.
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This deal was found by Cheapflights users on 6/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:19 pm
STL
- PSC
1 stop7h 42m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 6/30. 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 6/30![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 7/247:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$273
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 7/245:30 am
STL
- PSC
2 stops11h 20m
American Airlines
Deal found 6/28![American Airlines logo]()
$305
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $332 (Kiwi.com) |
One-way from | $226 |
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 July 1, 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 8/19
8:50 am-8:37 pm
2 stops13h 47m
Pasco Tri Cities
Tue 8/25
12:54 pm-8:46 pm
1 stop5h 52m
$430
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 8/25
6:35 am-1:14 pm
1 stop8h 39m
Pasco Tri Cities
Wed 8/26
6:00 am-2:06 pm
1 stop6h 06m
$438
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Sat 7/25
8:01 am-2:50 pm
1 stop8h 49m
Pasco Tri Cities
Sat 8/1
3:24 pm-11:58 pm
1 stop6h 34m
$513
Quickest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mon 7/27
7:55 pm-11:54 pm
1 stop5h 59m
Pasco Tri Cities
Mon 8/3
5:24 pm-12:41 am
1 stop5h 17m
$517
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 8/25
8:00 am-8:37 pm
2 stops14h 37m
Pasco Tri Cities
Wed 8/26
5:15 am-12:40 pm
1 stop5h 25m
$530
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mon 10/12
4:40 pm-11:52 pm
1 stop9h 12m
Pasco Tri Cities
Fri 10/16
4:01 pm-3:44 pm
2 stops21h 43m
$550
Cheapest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 9/15
3:19 pm-9:01 pm
1 stop7h 42m
$226
Quickest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
7:55 pm-11:54 pm
1 stop5h 59m
$263
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
7:56 pm-9:53 am
1 stop15h 57m
$273
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
5:30 am-2:50 pm
2 stops11h 20m
$305
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 July.
| 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 July 1, 2026.
Get a feel of what it's like to fly with Alaska Airlines and 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
Overall
7.9
Food
7.1
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Food
7.1
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Overall
7.9
Food
7.1
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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
Richland
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St. Louis and Pasco flights
Browse other St. Louis and Pasco flight options. Last updated on July 1, 2026.
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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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$398 | Average$468 | FlexibilityNo cancel fee | On-timeN/A |