$174+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Aug 24 — Aug 311
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
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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
Cheapest
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 July 25, 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 25, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 9/95:00 pm
STL
- PSC
2 stops8h 54m
Delta
Tue 9/155:25 am
PSC
- STL
2 stops10h 12m
Delta
Deal found 7/19![Delta logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 9/163:19 pm
STL
- PSC
1 stop7h 42m
Alaska Airlines
Tue 9/226:00 am
PSC
- STL
1 stop6h 21m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/108:10 pm
STL
- PSC
2 stops24h 34m
Multiple Airlines
Mon 9/148:32 pm
PSC
- STL
1 stop13h 19m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/95:43 am
STL
- PSC
2 stops11h 08m
American Airlines
Tue 9/155:05 am
PSC
- STL
1 stop6h 39m
American Airlines
Deal found 7/19![American Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 7/20. 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 9/161:55 pm
STL
- PSC
2 stops11h 59m
Delta
Tue 9/226:10 am
PSC
- STL
1 stop5h 20m
Delta
Deal found 7/20![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am
STL
- PSC
1 stop8h 51m
American Airlines
Tue 9/225:05 am
PSC
- STL
2 stops12h 02m
American Airlines
Deal found 7/23![American Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 11/107:00 am
STL
- PSC
1 stop8h 12m
Alaska Airlines
Sat 11/146:01 am
PSC
- STL
1 stop6h 14m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$443
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 25, 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 25, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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 9/95:00 pm
STL
- PSC
2 stops8h 54m
Delta
Tue 9/155:25 am
PSC
- STL
2 stops10h 12m
Delta
Deal found 7/19![Delta logo]()
$394
This Travelocity deal was found by Cheapflights users on 7/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:08 pm
STL
- PSC
1 stop6h 40m
Alaska Airlines
Tue 9/155:20 am
PSC
- STL
1 stop9h 50m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am
STL
- PSC
1 stop8h 51m
American Airlines
Tue 9/225:05 am
PSC
- STL
2 stops12h 02m
American Airlines
Deal found 7/23![American Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 9/163:19 pm
STL
- PSC
1 stop7h 42m
Alaska Airlines
Tue 9/226:00 am
PSC
- STL
1 stop6h 21m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 7/20. 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 9/161:55 pm
STL
- PSC
2 stops11h 59m
Delta
Tue 9/226:10 am
PSC
- STL
1 stop5h 20m
Delta
Deal found 7/20![Delta logo]()
$439
This Travelocity deal was found by Cheapflights users on 7/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:29 am
STL
- PSC
2 stops10h 54m
Alaska Airlines
Wed 9/304:00 pm
PSC
- STL
1 stop23h 10m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$459
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated July 25, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/20. 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.
Thu 7/307:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Wed 8/123:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 7/20. 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 7/304:48 pm
STL
- PSC
2 stops10h 02m
United Airlines
Wed 8/125:15 am
PSC
- STL
1 stop5h 25m
United Airlines
Deal found 7/20![United Airlines logo]()
$556
This Expedia deal was found by Cheapflights users on 7/20. 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 7/312:46 pm
STL
- PSC
2 stops10h 57m
Alaska Airlines
Wed 8/123:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$574
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Fri 8/211:51 pm
PSC
- STL
1 stop8h 08m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:48 pm
STL
- PSC
1 stop6h 04m
United Airlines
Fri 8/215:15 am
PSC
- STL
2 stops8h 23m
United Airlines
Deal found 7/24![United Airlines logo]()
$547
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/175:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Mon 8/245:17 pm
PSC
- STL
2 stops21h 53m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:08 pm
STL
- PSC
1 stop6h 40m
Alaska Airlines
Fri 8/285:17 pm
PSC
- STL
2 stops21h 53m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:50 am
STL
- PSC
2 stops13h 47m
United Airlines
Fri 8/285:15 am
PSC
- STL
2 stops8h 23m
United Airlines
Deal found 7/24![United Airlines logo]()
$553
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 25, 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 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/138:10 pm
STL
- PSC
2 stops39h 52m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 7/22. 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 10/137:00 pm
STL
- PSC
1 stop6h 30m
Delta
Deal found 7/22![Delta logo]()
$218
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:00 am
STL
- PSC
1 stop8h 48m
American Airlines
Deal found 7/24![American Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/611:00 am
STL
- PSC
3 stops24h 53m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$777
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (Alaska Airlines) |
One-way from | $174 (Kiwi.com) |
Popular in | August |
Cheapest in | October |
Average price | $462 |
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 25, 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 9/9
5:00 pm-11:54 pm
2 stops8h 54m
Pasco Tri Cities
Tue 9/15
5:25 am-5:37 pm
2 stops10h 12m
$394
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/9
6:08 pm-10:48 pm
1 stop6h 40m
Pasco Tri Cities
Tue 9/15
5:20 am-5:10 pm
1 stop9h 50m
$425
Quickest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/16
3:19 pm-9:01 pm
1 stop7h 42m
Pasco Tri Cities
Tue 9/22
6:00 am-2:21 pm
1 stop6h 21m
$425
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/16
1:55 pm-11:54 pm
2 stops11h 59m
Pasco Tri Cities
Tue 9/22
6:10 am-1:30 pm
1 stop5h 20m
$439
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/16
8:00 am-2:51 pm
1 stop8h 51m
Pasco Tri Cities
Tue 9/22
5:05 am-7:07 pm
2 stops12h 02m
$440
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/23
6:29 am-3:23 pm
2 stops10h 54m
Pasco Tri Cities
Wed 9/30
4:00 pm-5:10 pm
1 stop23h 10m
$459
Cheapest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 10/13
8:10 pm-10:02 am
2 stops39h 52m
$174
Quickest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 10/13
7:00 pm-11:30 pm
1 stop6h 30m
$218
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 8/6
8:00 am-2:48 pm
1 stop8h 48m
$268
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Thu 8/6
11:00 am-9:53 am
3 stops24h 53m
$777
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 25, 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
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
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 25, 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 July 25, 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 July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$350 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$398 | Average$492 | FlexibilityNo cancel fee | On-timeN/A |