$187+ Cheap flights from St. Louis to Pasco (STL - PSC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Nov 7 — Nov 141
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
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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 October 8, 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 October 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Wed 12/212:02 pm -
2 stops30h 06m
Sun 12/64:58 pm -
1 stop18h 54m
Deal found 10/6![Multiple Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/4. 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 12/22:17 pm -
2 stops11h 48m
Sun 12/65:10 am -
2 stops9h 20m
Deal found 10/4![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 10/6. 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 12/36:03 am -
2 stops11h 08m
Sun 12/67:00 am -
1 stop7h 30m
Deal found 10/6![Delta logo]()
$500
This Expedia deal was found by Cheapflights users on 10/6. 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 12/36:04 am -
1 stop29h 20m
Sun 12/67:26 pm -
1 stop17h 40m
Deal found 10/6![Alaska Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 11/105:00 am -
2 stops12h 07m
Fri 11/133:37 pm -
1 stop6h 19m
Deal found 10/5![American Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/207:08 am -
1 stop7h 10m
Sat 10/245:05 am -
1 stop5h 35m
Deal found 10/5![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 10/5. 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 10/2012:00 pm -
2 stops9h 35m
Sat 10/2412:21 pm -
1 stop6h 48m
Deal found 10/5![Delta logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 10/227:08 am -
1 stop7h 10m
Wed 10/2812:55 pm -
1 stop6h 04m
Deal found 10/7![United Airlines logo]()
$553
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 October 8, 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 October 8, 2026.
This Delta deal was found by Cheapflights users on 10/4. 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 12/22:17 pm -
2 stops11h 48m
Sun 12/65:10 am -
2 stops9h 20m
Deal found 10/4![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/207:08 am -
1 stop7h 10m
Sat 10/245:05 am -
1 stop5h 35m
Deal found 10/5![United Airlines logo]()
$531
This Expedia deal was found by Cheapflights users on 10/5. 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 11/206:00 am -
1 stop9h 03m
Mon 11/239:41 am -
1 stop12h 18m
Deal found 10/5![Alaska Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 10/3. 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 11/207:58 am -
1 stop9h 09m
Fri 11/275:00 am -
2 stops13h 17m
Deal found 10/3![American Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 10/6. 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 12/36:03 am -
2 stops11h 08m
Sun 12/67:00 am -
1 stop7h 30m
Deal found 10/6![Delta logo]()
$500
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 10/227:08 am -
1 stop7h 10m
Wed 10/2812:55 pm -
1 stop6h 04m
Deal found 10/7![United Airlines logo]()
$553
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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 12/256:04 am -
1 stop8h 59m
Sat 1/27:59 pm -
1 stop17h 35m
Deal found 10/4![Alaska Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 10/5. 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 10/2012:00 pm -
2 stops9h 35m
Sat 10/2412:21 pm -
1 stop6h 48m
Deal found 10/5![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 10/5. 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 11/202:21 pm -
2 stops11h 11m
Mon 11/235:12 pm -
1 stop5h 28m
Deal found 10/5![Delta logo]()
$578
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated October 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/207:08 am -
1 stop7h 10m
Sat 10/245:05 am -
1 stop5h 35m
Deal found 10/5![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 10/5. 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 10/2012:00 pm -
2 stops9h 35m
Sat 10/2412:21 pm -
1 stop6h 48m
Deal found 10/5![Delta logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Thu 10/227:08 am -
1 stop7h 10m
Wed 10/2812:55 pm -
1 stop6h 04m
Deal found 10/7![United Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 11/102:28 pm -
1 stop7h 20m
Fri 11/133:37 pm -
1 stop6h 19m
Deal found 10/5![American Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 10/5. 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 11/106:13 am -
2 stops10h 40m
Fri 11/1312:21 pm -
2 stops9h 01m
Deal found 10/5![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 10/5. 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 11/202:21 pm -
2 stops11h 11m
Mon 11/235:12 pm -
1 stop5h 28m
Deal found 10/5![Delta logo]()
$578
This Expedia deal was found by Cheapflights users on 10/3. 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 11/203:20 pm -
1 stop10h 31m
Fri 11/274:12 pm -
1 stop5h 47m
Deal found 10/3![Alaska Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 10/3. 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 11/207:58 am -
1 stop9h 09m
Fri 11/275:00 am -
2 stops13h 17m
Deal found 10/3![American Airlines logo]()
$646
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 October 8, 2026.
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Delta deal was found by Cheapflights users on 10/6. 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 12/163:32 pm -
2 stops10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$187
This American Airlines deal was found by Cheapflights users on 10/6. 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 12/162:31 pm -
1 stop7h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 10/6. 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 12/166:00 am -
3 stops17h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![United Airlines logo]()
$471
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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Kiwi.com) |
One-way from | $187 (Delta) |
Popular in | August |
Cheapest in | November |
Average price | $466 |
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 7,457,451 searches. Data last updated October 8, 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 Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Wed 12/16
3:32 pm-12:05 am
2 stops10h 33m
Pasco Tri Cities
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$187
Quickest round-trip
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Wed 12/16
2:31 pm-7:52 pm
1 stop7h 21m
Pasco Tri Cities
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$228
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Wed 12/2
2:17 pm-12:05 am
2 stops11h 48m
Pasco Tri Cities
Sun 12/6
5:10 am-4:30 pm
2 stops9h 20m
$464
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Thu 12/3
6:03 am-3:11 pm
2 stops11h 08m
Pasco Tri Cities
Sun 12/6
7:00 am-4:30 pm
1 stop7h 30m
$500
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Tue 10/20
7:08 am-12:18 pm
1 stop7h 10m
Pasco Tri Cities
Sat 10/24
5:05 am-12:40 pm
1 stop5h 35m
$531
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Tue 10/20
12:00 pm-7:35 pm
2 stops9h 35m
Pasco Tri Cities
Sat 10/24
12:21 pm-9:09 pm
1 stop6h 48m
$536
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Thu 10/22
7:08 am-12:18 pm
1 stop7h 10m
Pasco Tri Cities
Wed 10/28
12:55 pm-8:59 pm
1 stop6h 04m
$553
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Fri 11/20
6:00 am-1:03 pm
1 stop9h 03m
Pasco Tri Cities
Mon 11/23
9:41 am-11:59 pm
1 stop12h 18m
$559
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Fri 12/25
6:04 am-1:03 pm
1 stop8h 59m
Pasco Tri Cities
Sat 1/2
7:59 pm-3:34 pm
1 stop17h 35m
$561
St. LouisPasco
STL Lambert-St Louis - PSC Pasco Tri Cities
STLPSC
Lambert-St Louis
Fri 11/20
2:21 pm-11:32 pm
2 stops11h 11m
Pasco Tri Cities
Mon 11/23
5:12 pm-12:40 am
1 stop5h 28m
$578
Showing 1-10 of 11 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 October.
| 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 October 8, 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.
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Overall
7.9
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
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 October 8, 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 October 8, 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 7,457,451 searches. Data last updated October 8, 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 |