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Flights from Portland to St. Louis
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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Round-trip
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One way
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PDX 09:5421h 12m1 stopsSTL 09:06Portland - St. Louis | Tue, Apr 8 | Frontier AirlinesSTL 18:517h 46m1 stopsPDX 00:37St. Louis - Portland | Fri, Apr 11 | Frontier AirlinesNZD 283 NZD 42634% OFF34% OFFNZD 426 NZD 283
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PDX 13:258h 34m1 stopsSTL 23:59Portland - St. Louis | Wed, Apr 9 | Alaska AirlinesSTL 18:517h 46m1 stopsPDX 00:37St. Louis - Portland | Wed, Apr 16 | Frontier AirlinesNZD 313 NZD 42627% OFF27% OFFNZD 426 NZD 313
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PDX 06:4026h 57m1 stopsSTL 11:37Portland - St. Louis | Sat, Apr 5 | Frontier AirlinesSTL 18:517h 46m1 stopsPDX 00:37St. Louis - Portland | Wed, Apr 9 | Frontier AirlinesNZD 349 NZD 42618% OFF18% OFFNZD 426 NZD 349
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PDX 22:598h 29m1 stopsSTL 09:28Portland - St. Louis | Mon, Apr 14 | Delta Air LinesSTL 19:156h 29m1 stopsPDX 23:44St. Louis - Portland | Fri, Apr 18 | Delta Air LinesNZD 36814% OFFNZD 426 NZD 368
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PDX 17:005h 33m1 stopsSTL 00:33Portland - St. Louis | Tue, May 13 | Delta Air LinesSTL 19:196h 23m1 stopsPDX 23:42St. Louis - Portland | Wed, May 14 | Delta Air LinesNZD 37412% OFFNZD 426 NZD 374
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PDX 22:598h 29m1 stopsSTL 09:28Portland - St. Louis | Sat, May 3 | Delta Air LinesSTL 19:196h 23m1 stopsPDX 23:42St. Louis - Portland | Wed, May 7 | Delta Air LinesNZD 37512% OFFNZD 426 NZD 375
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PDX 23:108h 25m1 stopsSTL 09:35Portland - St. Louis | Sat, May 10 | Delta Air LinesSTL 19:196h 23m1 stopsPDX 23:42St. Louis - Portland | Wed, May 14 | Delta Air LinesNZD 37612% OFFNZD 426 NZD 376
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PDX 13:158h 44m1 stopsSTL 23:59Portland - St. Louis | Sat, Apr 26 | Alaska AirlinesSTL 18:537h 45m1 stopsPDX 00:38St. Louis - Portland | Sat, May 3 | Frontier AirlinesNZD 37612% OFFNZD 426 NZD 376
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PDX 06:158h 54m1 stopsSTL 17:09Portland - St. Louis | Wed, May 7 | Delta Air LinesSTL 19:196h 23m1 stopsPDX 23:42St. Louis - Portland | Wed, May 14 | Delta Air LinesNZD 37911% OFFNZD 426 NZD 379
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PDX 06:2025h 41m1 stopsSTL 10:01Portland - St. Louis | Thu, Apr 24 | Frontier AirlinesSTL 16:0710h 31m1 stopsPDX 00:38St. Louis - Portland | Thu, May 1 | Frontier AirlinesNZD 37911% OFFNZD 426 NZD 379
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PDX 13:0017h 25m1 stopsSTL Invalid DatePortland - St. Louis | Sat, Apr 5 | Normal AirlineSTL 15:006hNonstopPDX 16:00St. Louis - Portland | Mon, Apr 7 | Normal AirlineFind More FlightsFind More Flights
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PDX 06:4026h 42m1 stopsSTL 11:22Portland - St. Louis | Sat, Apr 12 | Frontier AirlinesNZD 123 NZD 21042% OFF42% OFFNZD 210 NZD 123
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PDX 06:206h 47m1 stopsSTL 15:07Portland - St. Louis | Thu, May 8 | Frontier AirlinesNZD 146 NZD 21030% OFF30% OFFNZD 210 NZD 146
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PDX 06:2025h 41m1 stopsSTL 10:01Portland - St. Louis | Sun, Apr 27 | Frontier AirlinesNZD 148 NZD 21030% OFF30% OFFNZD 210 NZD 148
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PDX 06:206h 47m1 stopsSTL 15:07Portland - St. Louis | Thu, May 15 | Frontier AirlinesNZD 15924% OFFNZD 210 NZD 159
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PDX 06:4024h 26m1 stopsSTL 09:06Portland - St. Louis | Fri, Apr 4 | Frontier AirlinesNZD 16323% OFFNZD 210 NZD 163
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PDX 06:2025h 41m1 stopsSTL 10:01Portland - St. Louis | Thu, Apr 24 | Frontier AirlinesNZD 16522% OFFNZD 210 NZD 165
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PDX 21:2118h 22m1 stopsSTL 17:43Portland - St. Louis | Thu, Apr 3 | Frontier AirlinesNZD 18015% OFFNZD 210 NZD 180
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PDX 14:307h 34m1 stopsSTL 00:04Portland - St. Louis | Tue, May 27 | Alaska AirlinesNZD 18214% OFFNZD 210 NZD 182
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PDX 00:597h 31m1 stopsSTL 10:30Portland - St. Louis | Wed, Apr 30 | Delta Air LinesNZD 18711% OFFNZD 210 NZD 187
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PDX 06:2024h 49m1 stopsSTL 09:09Portland - St. Louis | Fri, May 2 | Frontier AirlinesNZD 18711% OFFNZD 210 NZD 187
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PDX 13:0017h 25m1 stopsSTL Invalid DatePortland - St. Louis | Sat, Apr 5 | 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.
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Airlines Flying from Portland to St. Louis
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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 776. -
What is the transportation method from the main airport to downtown in St. Louis?
- The distance from St. Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.
How to find a cheap flight from Portland to St. Louis
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to St. Louis. Book your flights at the right time and save more.
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Check One-way Fares
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Flight Information from Portland to St. Louis
Cheapest one-way flight price | NZD 122 |
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Off-season for travel | February |
Peak season for travel | June |
Flight distance | 2,763.15 km |
Popular airline | Alaska Airlines |
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