How does KAYAK find such low prices on flights from Oregon to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Oregon to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oregon with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$103 CHEAP FLIGHTS from Oregon to St. Louis

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Cheap Flights from Oregon to St. Louis

Cheap flights from Oregon to St. Louis with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Thu, Dec 10 - Wed, Dec 16

1:58 pm - 10:57 amPDX Portland-STL Lambert-St Louis

18h 59m1 stop Denver Intl

7:54 pm - 12:09 pmSTL Lambert-St Louis-PDX Portland

18h 15m1 stop Denver Intl

$204Frontier

Tue, Nov 17 - Tue, Nov 24

12:02 pm - 3:23 pmPDX Portland-STL Lambert-St Louis

25h 21m1 stop Denver Intl

5:15 pm - 9:32 amSTL Lambert-St Louis-PDX Portland

18h 17m1 stop Las Vegas Harry Reid Intl

$204Frontier

Tue, Nov 3 - Tue, Nov 10

11:40 am - 6:35 pmPDX Portland-STL Lambert-St Louis

4h 55m1 stop Denver Intl

8:25 am - 1:10 pmSTL Lambert-St Louis-PDX Portland

6h 45m1 stop Denver Intl

$205Southwest

Wed, Dec 2 - Wed, Dec 9

5:45 am - 1:21 pmPDX Portland-STL Lambert-St Louis

5h 36m1 stop Salt Lake City

6:03 am - 12:48 pmSTL Lambert-St Louis-PDX Portland

8h 45m1 stop Minneapolis St Paul

$205Delta

Tue, Nov 3 - Tue, Nov 10

10:15 am - 10:05 pmPDX Portland-STL Lambert-St Louis

9h 50m2 stops San Diego Phoenix Sky Harbor Intl

8:25 am - 1:25 pmSTL Lambert-St Louis-PDX Portland

7h 00m1 stop Sacramento Intl

$210Southwest

Wed, Dec 9 - Sat, Dec 12

1:30 pm - 9:28 pmPDX Portland-STL Lambert-St Louis

5h 58m1 stop Salt Lake City

6:03 am - 10:48 amSTL Lambert-St Louis-PDX Portland

6h 45m1 stop Minneapolis St Paul

$218Delta

Tue, Nov 3 - Sat, Nov 7

2:04 pm - 11:56 pmPDX Portland-STL Lambert-St Louis

7h 52m1 stop Phoenix Sky Harbor Intl

5:00 am - 11:07 amSTL Lambert-St Louis-PDX Portland

8h 07m1 stop Dallas/Fort Worth

$218American Airlines

Tue, Dec 1 - Tue, Dec 8

5:15 am - 1:32 pmPDX Portland-STL Lambert-St Louis

6h 17m1 stop Phoenix Sky Harbor Intl

6:02 am - 12:37 pmSTL Lambert-St Louis-PDX Portland

8h 35m1 stop Chicago O'Hare Intl

$255American Airlines

Thu, Dec 3 - Sun, Dec 6

7:10 am - 6:11 pmEUG Eugene-STL Lambert-St Louis

9h 01m1 stop San Francisco

6:30 am - 1:18 pmSTL Lambert-St Louis-EUG Eugene

8h 48m2 stops Chicago O'Hare Intl Denver Intl

$330United Airlines

Mon, Nov 2 - Wed, Nov 11

11:30 pm - 8:55 amPDX Portland-STL Lambert-St Louis

7h 25m1 stop Chicago O'Hare Intl

4:39 pm - 11:09 pmSTL Lambert-St Louis-PDX Portland

8h 30m1 stop Denver Intl

$351United Airlines

Wed, Oct 21 - Wed, Oct 21

5:33 am - 1:32 pmPDX Portland-STL Lambert-St Louis

5h 59m1 stop Salt Lake City

7:00 pm - 11:47 pmSTL Lambert-St Louis-PDX Portland

6h 47m1 stop Salt Lake City

$205Delta

Wed, Oct 21 - Sat, Oct 24

9:55 am - 5:44 pmPDX Portland-STL Lambert-St Louis

5h 49m1 stop Salt Lake City

5:00 pm - 10:18 pmSTL Lambert-St Louis-PDX Portland

7h 18m1 stop Salt Lake City

$218Delta

Thu, Oct 22 - Thu, Oct 29

2:27 pm - 10:59 pmPDX Portland-STL Lambert-St Louis

6h 32m1 stop Chicago O'Hare Intl

7:05 pm - 12:44 amSTL Lambert-St Louis-PDX Portland

7h 39m1 stop San Francisco

$231United Airlines

Thu, Oct 22 - Mon, Oct 26

5:00 am - 12:40 pmPDX Portland-STL Lambert-St Louis

5h 40m1 stop Denver Intl

7:05 pm - 12:44 amSTL Lambert-St Louis-PDX Portland

7h 39m1 stop San Francisco

$231United Airlines

Wed, Oct 21 - Sat, Oct 24

8:45 pm - 10:00 amPDX Portland-STL Lambert-St Louis

11h 15m1 stop Phoenix Sky Harbor Intl

8:25 am - 7:30 pmSTL Lambert-St Louis-PDX Portland

13h 05m2 stops Omaha Eppley Airfield Phoenix Sky Harbor Intl

$234Southwest

Thu, Oct 22 - Thu, Oct 29

11:35 pm - 9:00 amPDX Portland-STL Lambert-St Louis

7h 25m1 stop Chicago Midway

5:10 am - 12:35 pmSTL Lambert-St Louis-PDX Portland

9h 25m2 stops Dallas Love Field San Diego

$320Southwest

Thu, Oct 22 - Mon, Oct 26

12:11 pm - 12:35 pmPDX Portland-STL Lambert-St Louis

22h 24m1 stop Las Vegas Harry Reid Intl

8:00 pm - 11:07 amSTL Lambert-St Louis-PDX Portland

17h 07m1 stop Denver Intl

$464Frontier

Wed, Oct 21 - Thu, Oct 22

2:25 pm - 11:42 pmPDX Portland-STL Lambert-St Louis

7h 17m1 stop Dallas/Fort Worth

12:49 pm - 8:44 pmSTL Lambert-St Louis-PDX Portland

9h 55m1 stop Charlotte Douglas

$603American Airlines

Fri, Oct 23 - Mon, Oct 26

12:25 pm - 11:13 pmPDX Portland-STL Lambert-St Louis

32h 48m3 stops Las Vegas Harry Reid Intl Denver Intl Orlando

5:53 pm - 11:21 amSTL Lambert-St Louis-PDX Portland

19h 28m2 stops Dallas/Fort Worth Minneapolis St Paul

$864Multiple Airlines

Thu, Oct 22 - Sun, Oct 25

11:49 am - 4:58 pmPDX Portland-STL Lambert-St Louis

27h 09m2 stops Denver Intl Dallas/Fort Worth

12:16 pm - 11:40 amSTL Lambert-St Louis-PDX Portland

25h 24m1 stop Las Vegas Harry Reid Intl

$875Frontier

Low season	January
High season	July
Cheapest flight	$103

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Portland to St. Louis

How does KAYAK find such low prices on flights from Oregon to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Oregon to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Oregon with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.