Flights to Tri-Cities from St. Louis -

Popular airlines from St. Louis to Tri-Cities

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from St. Louis to Tri-Cities (STL-PSC)

Prices were available within the past 7 days and start at for one-way flights and ￥51,120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥51,120 Roundtrip, found 1 day ago
￥51,120
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥51,120 found 1 day ago
Delta
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥51,120 Roundtrip, found 1 day ago
￥51,120
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥51,120 found 1 day ago
Delta
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥68,420 Roundtrip, found 1 day ago
￥68,420
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥68,420 found 1 day ago
United
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥75,950 Roundtrip, found 1 day ago
￥75,950
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥75,950 found 1 day ago
Delta
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥79,390 Roundtrip, found 1 day ago
￥79,390
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥79,390 found 1 day ago
United
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥80,360 Roundtrip, found 1 day ago
￥80,360
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥80,360 found 1 day ago
Delta
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥80,570 Roundtrip, found 1 day ago
￥80,570
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥80,570 found 1 day ago
United
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥92,610 Roundtrip, found 1 day ago
￥92,610
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥92,610 found 1 day ago
Delta
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥92,830 Roundtrip, found 1 day ago
￥92,830
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥92,830 found 1 day ago
Delta
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥95,620 Roundtrip, found 1 day ago
￥95,620
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥95,620 found 1 day ago
United
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥97,020 Roundtrip, found 1 day ago
￥97,020
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥97,020 found 1 day ago
United
Tue, Aug 12 - Sun, Aug 17
STL
St. Louis
PSC
Pasco
￥97,230 Roundtrip, found 1 day ago
￥97,230
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from St. Louis to Pasco, returning Sun, Aug 17, priced at ￥97,230 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Pasco (PSC)

October is typically the cheapest month to fly

From ￥39,169 - ￥120,085 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.