$120+ Cheap flights from St. Louis (STL) to Salem, OR
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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Salem 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.Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in January or September, booked 59 days in advance, depart on a Tuesday or Friday and return on a Friday
Cheap flight deals from St. Louis to Salem
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to SalemExplore the most affordable flight options available from St. Louis to Salem. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from St. Louis to Salem. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Mon 10/59:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Deal found 7/19![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Wed 8/195:56 pm
PDX
- STL
1 stop23h 17m
Frontier
Deal found 7/19![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Mon 9/148:10 pm
STL
- PDX
1 stop20h 17m
Frontier
Sat 9/193:22 pm
PDX
- STL
2 stops16h 18m
Frontier
Deal found 7/18![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/175:49 pm
PDX
- STL
1 stop22h 01m
Frontier
Deal found 7/19![Frontier logo]()
$259
This Trip.com deal was found by Cheapflights users on 7/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/175:49 pm
PDX
- STL
1 stop22h 01m
Frontier
Deal found 7/19![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Mon 9/148:10 pm
STL
- PDX
1 stop20h 17m
Frontier
Fri 9/183:22 pm
PDX
- STL
2 stops16h 18m
Frontier
Deal found 7/18![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:10 pm
STL
- PDX
1 stop22h 25m
Frontier
Mon 9/219:34 pm
PDX
- STL
1 stop12h 17m
Frontier
Deal found 7/19![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Fri 8/216:17 pm
STL
- PDX
2 stops24h 54m
Frontier
Wed 8/265:56 pm
PDX
- STL
1 stop23h 17m
Frontier
Deal found 7/21![Frontier logo]()
$270
This Expedia deal was found by Cheapflights users on 7/18. 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.
Mon 9/148:10 pm
STL
- PDX
1 stop20h 17m
Multiple Airlines
Sat 9/1911:16 am
PDX
- STL
Nonstop3h 54m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$274
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/105:49 pm
PDX
- STL
1 stop22h 16m
Frontier
Deal found 7/19![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sat 9/56:08 pm
STL
- PDX
Nonstop4h 12m
Multiple Airlines
Sat 9/123:22 pm
PDX
- STL
1 stop25h 53m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$282
This CheapOair deal was found by Cheapflights users on 7/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:10 pm
STL
- PDX
1 stop22h 25m
Frontier
Sun 11/153:47 pm
PDX
- STL
1 stop25h 28m
Frontier
Deal found 7/18![Frontier logo]()
$288
Best flights from St. Louis to SalemDiscover carefully curated flight deals from St. Louis to Salem that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from St. Louis to Salem that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 9/86:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Tue 9/1511:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:30 am
STL
- PDX
Nonstop4h 10m
Southwest
Thu 8/2711:35 am
PDX
- STL
1 stop8h 30m
Southwest
Deal found 7/21![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/299:00 am
STL
- PDX
1 stop6h 15m
United Airlines
Tue 10/610:43 am
PDX
- STL
1 stop8h 38m
United Airlines
Deal found 7/20![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 9/511:13 am
STL
- PDX
1 stop8h 21m
Delta
Tue 9/1510:57 pm
PDX
- STL
1 stop9h 58m
Delta
Deal found 7/23![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 9/126:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Sat 9/1911:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:35 am
STL
- PDX
2 stops11h 50m
Southwest
Tue 8/1811:30 pm
PDX
- STL
1 stop8h 05m
Southwest
Deal found 7/21![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 7/19. 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.
Sat 9/1211:16 am
STL
- PDX
2 stops10h 46m
Delta
Fri 9/1812:25 am
PDX
- STL
1 stop8h 09m
Delta
Deal found 7/19![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/247:36 pm
STL
- PDX
1 stop6h 19m
Alaska Airlines
Wed 8/2611:16 am
PDX
- STL
Nonstop3h 54m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:05 am
STL
- PDX
2 stops10h 55m
Southwest
Wed 8/2610:35 am
PDX
- STL
2 stops9h 05m
Southwest
Deal found 7/21![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 9/811:21 am
STL
- PDX
2 stops10h 41m
Delta
Tue 9/158:44 pm
PDX
- STL
2 stops11h 47m
Delta
Deal found 7/22![Delta logo]()
$364
Last-minute flights from St. Louis to SalemDiscover last-minute flight deals from St. Louis to Salem. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Salem. Data last updated July 23, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 7/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:08 pm
STL
- PDX
1 stop22h 23m
Frontier
Mon 8/105:49 pm
PDX
- STL
1 stop22h 16m
Frontier
Deal found 7/19![Frontier logo]()
$297
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/175:49 pm
PDX
- STL
1 stop22h 01m
Frontier
Deal found 7/19![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/105:49 pm
PDX
- STL
1 stop22h 16m
Frontier
Deal found 7/19![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Thu 8/67:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Wed 8/125:21 pm
PDX
- STL
2 stops22h 16m
Frontier
Deal found 7/18![Frontier logo]()
$303
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Fri 8/145:49 pm
PDX
- STL
1 stop22h 26m
Frontier
Deal found 7/19![Frontier logo]()
$299
This CheapOair deal was found by Cheapflights users on 7/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/175:49 pm
PDX
- STL
1 stop22h 01m
Frontier
Deal found 7/22![Frontier logo]()
$298
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Wed 8/195:56 pm
PDX
- STL
1 stop23h 17m
Frontier
Deal found 7/19![Frontier logo]()
$250
This Trip.com deal was found by Cheapflights users on 7/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 pm
STL
- PDX
1 stop23h 44m
Frontier
Mon 8/175:49 pm
PDX
- STL
1 stop22h 01m
Frontier
Deal found 7/19![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Sat 8/158:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Sat 8/2212:20 pm
PDX
- STL
2 stops27h 02m
Frontier
Deal found 7/21![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Fri 8/216:17 pm
STL
- PDX
2 stops24h 54m
Frontier
Wed 8/265:56 pm
PDX
- STL
1 stop23h 17m
Frontier
Deal found 7/21![Frontier logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 8/226:08 pm
STL
- PDX
Nonstop4h 12m
Alaska Airlines
Sat 8/296:20 am
PDX
- STL
1 stop5h 46m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$307
One-way flights from St. Louis to SalemSearch for one-way flight options from St. Louis to Salem. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from St. Louis to Salem. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:46 pm
STL
- PDX
1 stop9h 53m
Frontier
Deal found 7/19![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/247:58 pm
STL
- PDX
1 stop23h 13m
Frontier
Deal found 7/22![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 9/218:10 pm
STL
- PDX
1 stop20h 17m
Frontier
Deal found 7/22![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/2010:35 am
STL
- PDX
2 stops32h 00m
Frontier
Deal found 7/21![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 10/198:10 pm
STL
- PDX
1 stop22h 25m
Frontier
Deal found 7/20![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 7/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:08 pm
STL
- PDX
1 stop23h 03m
Frontier
Deal found 7/18![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 10/218:10 pm
STL
- PDX
1 stop22h 25m
Frontier
Deal found 7/23![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/2210:35 am
STL
- PDX
2 stops29h 52m
Frontier
Deal found 7/22![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Fri 10/1610:35 am
STL
- PDX
2 stops32h 00m
Frontier
Deal found 7/20![Frontier logo]()
$135
Find flight deals from St. Louis to Salem
Keep the following information in mind while searching for St. Louis to Salem flight deals. Data was last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $120 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $443 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Salem 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 July 23, 2026.
Use the filters below to find and compare flights from St. Louis to Salem that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 9/8
6:08 pm-8:20 pm
Nonstop4h 12m
Portland
Tue 9/15
11:16 am-5:10 pm
Nonstop3h 54m
$297
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 9/12
6:08 pm-8:20 pm
Nonstop4h 12m
Portland
Sat 9/19
11:16 am-5:10 pm
Nonstop3h 54m
$297
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 8/22
8:30 am-10:40 am
Nonstop4h 10m
Portland
Thu 8/27
11:35 am-10:05 pm
1 stop8h 30m
$308
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 9/29
9:00 am-1:15 pm
1 stop6h 15m
Portland
Tue 10/6
10:43 am-9:21 pm
1 stop8h 38m
$317
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 9/5
11:13 am-5:34 pm
1 stop8h 21m
Portland
Tue 9/15
10:57 pm-10:55 am
1 stop9h 58m
$317
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 8/12
5:35 am-3:25 pm
2 stops11h 50m
Portland
Tue 8/18
11:30 pm-9:35 am
1 stop8h 05m
$340
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Mon 8/24
7:36 pm-11:55 pm
1 stop6h 19m
Portland
Wed 8/26
11:16 am-5:10 pm
Nonstop3h 54m
$347
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 8/21
6:05 am-3:00 pm
2 stops10h 55m
Portland
Wed 8/26
10:35 am-9:40 pm
2 stops9h 05m
$358
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 9/12
11:16 am-8:02 pm
2 stops10h 46m
Portland
Fri 9/18
12:25 am-10:34 am
1 stop8h 09m
$360
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 9/8
11:21 am-8:02 pm
2 stops10h 41m
Portland
Tue 9/15
8:44 pm-10:31 am
2 stops11h 47m
$364
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Salem
Have a flexible travel schedule? Discover the best time to fly to Salem from St. Louis with our price prediction graph.
STL-PDX
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Salem
STL-SA8
STL-PDX
What is the cheapest time of day to fly from STL to SA8?
Find hourly flight availability from St. Louis to Salem. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.
When flying from St. Louis to Salem, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight at noon.
How much does it cost to fly round-trip from St. Louis to Salem?
Airfare is below average for this route at the moment.
St. Louis to Salem flights typically cost between $336 and $482 in October.The cheapest round-trip price found within the last 5 days was $240 on Frontier (Oct 1-Oct 5).
Reviews of airlines servicing Salem
Get insights into the airlines that provide service to Salem. 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 Salem. Reviews last updated July 23, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from St. Louis to Salem have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Salem. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Salem
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Complete your trip
Complete your trip to Salem by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Salem by cabin class
Find flights from St. Louis to Salem, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Salem flights
Browse other St. Louis and Salem flight options. Last updated on July 23, 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 July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Salem flights
Consider these flights traveling from St. Louis to Salem.
Top 6 airlines flying from St. Louis to Salem
Discover the top 6 airlines that operate flights from St. Louis to Salem. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$293 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$445 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$244 | Average$435 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$399 | FlexibilityNo cancel fee | On-time75% |