Cheap Flights from Portland to St. Louis
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Flights from Portland to St. Louis
Airlines Flying from Portland to St. Louis
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Portland to St. Louis
We've found these cheap flights for you. You can book one-way or return flight tickets.
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One way
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PDX 05:306h 4m1 stopsSTL 13:34Portland - St. Louis | Tue, Jun 3 | Delta Air Lines
STL 08:499h 5m1 stopsPDX 15:54St. Louis - Portland | Mon, Jun 9 | Delta Air LinesNZD 349 NZD 53234% OFF34% OFFNZD 532 NZD 349 -
PDX 00:527h 40m1 stopsSTL 10:32Portland - St. Louis | Fri, Jul 4 | Delta Air Lines
STL 19:156h 20m1 stopsPDX 23:35St. Louis - Portland | Tue, Jul 8 | Delta Air LinesNZD 367 NZD 53231% OFF31% OFFNZD 532 NZD 367
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PDX 00:527h 41m1 stopsSTL 10:33Portland - St. Louis | Tue, Jul 1 | Delta Air Lines
STL 19:156h 20m1 stopsPDX 23:35St. Louis - Portland | Tue, Jul 8 | Delta Air LinesNZD 368 NZD 53231% OFF31% OFFNZD 532 NZD 368
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PDX 00:527h 40m1 stopsSTL 10:32Portland - St. Louis | Thu, Jul 3 | Delta Air Lines
STL 19:156h 20m1 stopsPDX 23:35St. Louis - Portland | Tue, Jul 8 | Delta Air LinesNZD 36831% OFFNZD 532 NZD 368
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PDX 17:005h 33m1 stopsSTL 00:33Portland - St. Louis | Tue, May 27 | Delta Air Lines
STL 19:196h 24m1 stopsPDX 23:43St. Louis - Portland | Tue, Jun 3 | Delta Air LinesNZD 37130% OFFNZD 532 NZD 371
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PDX 23:138h 24m1 stopsSTL 09:37Portland - St. Louis | Mon, Jun 9 | Delta Air Lines
STL 19:156h 23m1 stopsPDX 23:38St. Louis - Portland | Mon, Jun 16 | Delta Air LinesNZD 37230% OFFNZD 532 NZD 372
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PDX 06:208h 22m1 stopsSTL 16:42Portland - St. Louis | Wed, Jul 9 | Delta Air Lines
STL 17:377h 49m1 stopsPDX 23:26St. Louis - Portland | Mon, Jul 14 | Delta Air LinesNZD 38428% OFFNZD 532 NZD 384
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PDX 00:528h 1m1 stopsSTL 10:53Portland - St. Louis | Wed, Jun 11 | Delta Air Lines
STL 17:387h 54m1 stopsPDX 23:32St. Louis - Portland | Wed, Jun 18 | Delta Air LinesNZD 40923% OFFNZD 532 NZD 409
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PDX 17:065h 37m1 stopsSTL 00:43Portland - St. Louis | Wed, Jun 18 | Delta Air Lines
STL 19:156h 24m1 stopsPDX 23:39St. Louis - Portland | Fri, Jun 20 | Delta Air LinesNZD 41223% OFFNZD 532 NZD 412
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PDX 17:005h 59m1 stopsSTL 00:59Portland - St. Louis | Sun, Jun 1 | Delta Air Lines
STL 18:147h 11m1 stopsPDX 23:25St. Louis - Portland | Sat, Jun 7 | Delta Air LinesNZD 42121% OFFNZD 532 NZD 421
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PDX 13:0017h 25m1 stopsSTL Invalid DatePortland - St. Louis | Thu, May 22 | Normal Airline
STL 15:006hDirectPDX 16:00St. Louis - Portland | Sat, May 24 | Normal AirlineFind More FlightsFind More Flights
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PDX 06:3525h 34m1 stopsSTL 10:09Portland - St. Louis | Tue, May 27 | Frontier AirlinesNZD 139 NZD 23441% OFF41% OFFNZD 234 NZD 139 -
PDX 00:465h 48m1 stopsSTL 08:34Portland - St. Louis | Sat, Jul 12 | Delta Air LinesNZD 140 NZD 23440% OFF40% OFFNZD 234 NZD 140
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PDX 00:467h 52m1 stopsSTL 10:38Portland - St. Louis | Fri, Jul 11 | Delta Air LinesNZD 169 NZD 23428% OFF28% OFFNZD 234 NZD 169
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PDX 13:5021h 50m1 stopsSTL 13:40Portland - St. Louis | Thu, May 22 | Frontier AirlinesNZD 18222% OFFNZD 234 NZD 182
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PDX 00:527h 45m1 stopsSTL 10:37Portland - St. Louis | Wed, Jun 25 | Delta Air LinesNZD 18422% OFFNZD 234 NZD 184
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PDX 13:407h 40m1 stopsSTL 23:20Portland - St. Louis | Wed, Jul 16 | Delta Air LinesNZD 18422% OFFNZD 234 NZD 184
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PDX 23:118h 24m1 stopsSTL 09:35Portland - St. Louis | Tue, Jun 3 | Delta Air LinesNZD 18422% OFFNZD 234 NZD 184
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PDX 23:118h 24m1 stopsSTL 09:35Portland - St. Louis | Thu, Jun 5 | Delta Air LinesNZD 18421% OFFNZD 234 NZD 184
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PDX 00:527h 40m1 stopsSTL 10:32Portland - St. Louis | Sun, Jun 29 | Delta Air LinesNZD 18521% OFFNZD 234 NZD 185
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PDX 00:527h 41m1 stopsSTL 10:33Portland - St. Louis | Tue, Jul 1 | Delta Air LinesNZD 18521% OFFNZD 234 NZD 185
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PDX 13:0017h 25m1 stopsSTL Invalid DatePortland - St. Louis | Thu, May 22 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Portland to St. Louis
| Cheapest one-way flight price | NZD 138 |
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| Cheapest round-trip ticket price | NZD 738 |
| Off-season for travel | April |
| Peak season for travel | February |
| Flight distance | 2,763.15 km |
| Popular airline | Alaska Airlines |
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FAQ
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When are flight tickets from Portland (PDX) to St. Louis (STL) the cheapest?
Airlines adjust prices for flights from Portland to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Portland (PDX) to St. Louis (STL) cost?
According to Trip.com's data, the lowest price is around NZD 755.
How to find a cheap flight from Portland to St. Louis
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