$213+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/10. 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 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
Sat 7/45:14 am
PSC
- STL
1 stop5h 28m
United Airlines
Deal found 6/10![United Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
STL
- PSC
1 stop8h 18m
Alaska Airlines
Wed 10/286:01 am
PSC
- STL
1 stop7h 43m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 6/9. 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 9/232:27 pm
STL
- PSC
2 stops11h 27m
Delta
Mon 9/285:23 pm
PSC
- STL
1 stop5h 11m
Delta
Deal found 6/9![Delta logo]()
$480
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Tue 7/2810:33 am
PSC
- STL
2 stops11h 25m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- PSC
2 stops44h 52m
Multiple Airlines
Mon 7/138:48 pm
PSC
- STL
1 stop19h 17m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:40 pm
STL
- PSC
1 stop9h 12m
Alaska Airlines
Sat 10/245:20 am
PSC
- STL
2 stops8h 24m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$529
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Tue 7/143:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$550
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 June 10, 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 June 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:40 pm
STL
- PSC
1 stop9h 12m
Alaska Airlines
Sat 10/246:01 am
PSC
- STL
1 stop7h 43m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 6/10. 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 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
Sat 7/45:14 am
PSC
- STL
2 stops12h 12m
United Airlines
Deal found 6/10![United Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 6/9. 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 9/232:27 pm
STL
- PSC
2 stops11h 27m
Delta
Mon 9/285:23 pm
PSC
- STL
1 stop5h 11m
Delta
Deal found 6/9![Delta logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
STL
- PSC
1 stop8h 18m
Alaska Airlines
Wed 10/286:01 am
PSC
- STL
1 stop7h 43m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/85:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Wed 7/1510:33 am
PSC
- STL
1 stop6h 24m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:30 am
STL
- PSC
2 stops15h 32m
United Airlines
Wed 10/2812:45 pm
PSC
- STL
1 stop6h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$530
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:14 am
STL
- PSC
2 stops12h 47m
Alaska Airlines
Mon 9/288:04 am
PSC
- STL
2 stops13h 36m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$536
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 6/225:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Fri 6/2610:33 am
PSC
- STL
1 stop6h 24m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$572
Last-minute flights from St. Louis to PascoDiscover last-minute flight deals from St. Louis to Pasco. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasco. Data last updated June 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Mon 6/225:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Fri 6/2610:33 am
PSC
- STL
1 stop6h 24m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 6/10. 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 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
Sat 7/45:14 am
PSC
- STL
1 stop5h 28m
United Airlines
Deal found 6/10![United Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:01 am
STL
- PSC
1 stop8h 05m
American Airlines
Mon 7/133:24 pm
PSC
- STL
1 stop6h 34m
American Airlines
Deal found 6/9![American Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- PSC
2 stops44h 52m
Multiple Airlines
Mon 7/138:48 pm
PSC
- STL
1 stop19h 17m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:46 pm
STL
- PSC
2 stops10h 57m
Alaska Airlines
Mon 7/133:59 pm
PSC
- STL
2 stops14h 32m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$611
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Wed 7/85:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Wed 7/157:05 am
PSC
- STL
2 stops11h 18m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$530
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:37 pm
STL
- PSC
1 stop7h 07m
Alaska Airlines
Tue 7/143:59 pm
PSC
- STL
1 stop22h 38m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$550
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Tue 7/2110:33 am
PSC
- STL
2 stops11h 25m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$617
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:56 pm
STL
- PSC
1 stop15h 57m
Alaska Airlines
Tue 7/2810:33 am
PSC
- STL
2 stops11h 25m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$486
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 June 10, 2026.
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 7/247:55 pm
STL
- PSC
1 stop5h 59m
Delta
Deal found 6/7![Delta logo]()
$213
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/247:07 am
STL
- PSC
2 stops9h 43m
American Airlines
Deal found 6/6![American Airlines logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 7/245:13 pm
STL
- PSC
2 stops18h 40m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$274
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (United Airlines) |
One-way from | $213 (Delta) |
Popular in | May |
Cheapest in | October |
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 June 10, 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
Tue 10/20
4:40 pm-11:52 pm
1 stop9h 12m
Pasco Tri Cities
Sat 10/24
6:01 am-3:44 pm
1 stop7h 43m
$425
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 7/1
7:23 pm-12:50 am
1 stop7h 27m
Pasco Tri Cities
Sat 7/4
5:14 am-7:26 pm
2 stops12h 12m
$430
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 10/27
7:00 am-1:18 pm
1 stop8h 18m
Pasco Tri Cities
Wed 10/28
6:01 am-3:44 pm
1 stop7h 43m
$462
Quickest round-trip
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 7/8
5:37 pm-10:44 pm
1 stop7h 07m
Pasco Tri Cities
Wed 7/15
10:33 am-6:57 pm
1 stop6h 24m
$463
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/23
2:27 pm-11:54 pm
2 stops11h 27m
Pasco Tri Cities
Mon 9/28
5:23 pm-12:34 am
1 stop5h 11m
$480
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Tue 10/27
7:30 am-9:02 pm
2 stops15h 32m
Pasco Tri Cities
Wed 10/28
12:45 pm-8:59 pm
1 stop6h 14m
$530
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Wed 9/23
10:14 am-9:01 pm
2 stops12h 47m
Pasco Tri Cities
Mon 9/28
8:04 am-11:40 pm
2 stops13h 36m
$536
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Mon 6/22
5:37 pm-10:44 pm
1 stop7h 07m
Pasco Tri Cities
Fri 6/26
10:33 am-6:57 pm
1 stop6h 24m
$572
Cheapest one-way
Quickest one-way
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
7:55 pm-11:54 pm
1 stop5h 59m
$213
St. LouisPasco
STL - PSC
STLPSC
Lambert-St Louis
Fri 7/24
5:30 am-2:50 pm
2 stops11h 20m
$261
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 June.
| 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 June 10, 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.
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Pasco flight routes
Popular flights
Alternative routes for St. Louis to Pasco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pasco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Pasco by cabin class
Find flights from St. Louis to Pasco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Pasco flights
Browse other St. Louis and Pasco flight options. Last updated on June 10, 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 June 10, 2026.
Other flights to Pasco
Explore flights to Pasco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$468 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$600 | FlexibilityNo cancel fee | On-time75% |