$98+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
May 23 — May 301
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 90 days in advance, depart on a Tuesday or Friday and return on a Friday
Cheap flight deals from St. Louis to Salem
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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 April 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 April 23, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:59 pm
STL
- PDX
1 stop6h 42m
Delta
Wed 8/1910:15 am
PDX
- STL
1 stop5h 45m
Delta
Deal found 4/21![Delta logo]()
$205
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:59 pm
STL
- PDX
1 stop10h 03m
Delta
Mon 5/185:05 pm
PDX
- STL
1 stop5h 25m
Delta
Deal found 4/20![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:25 am
STL
- PDX
1 stop7h 50m
Delta
Mon 6/111:12 pm
PDX
- STL
1 stop8h 17m
Delta
Deal found 4/20![Delta logo]()
$243
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:45 pm
STL
- PDX
1 stop10h 06m
American Airlines
Wed 6/310:59 pm
PDX
- STL
1 stop7h 32m
American Airlines
Deal found 4/21![American Airlines logo]()
$244
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Multiple Airlines
Wed 5/205:00 am
PDX
- STL
1 stop8h 16m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 am
STL
- PDX
1 stop6h 21m
Delta
Tue 9/155:05 pm
PDX
- STL
1 stop5h 31m
Delta
Deal found 4/21![Delta logo]()
$256
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:30 am
STL
- PDX
1 stop8h 24m
Delta
Tue 9/1512:40 am
PDX
- STL
1 stop6h 00m
Delta
Deal found 4/21![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Wed 5/207:45 pm
PDX
- STL
1 stop8h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:59 pm
STL
- PDX
1 stop10h 03m
Delta
Mon 6/811:15 pm
PDX
- STL
1 stop8h 17m
Delta
Deal found 4/21![Delta logo]()
$263
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Mon 6/811:15 am
PDX
- STL
1 stop27h 50m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:45 am
STL
- PDX
1 stop6h 15m
Southwest
Wed 8/1211:30 pm
PDX
- STL
1 stop9h 00m
Southwest
Deal found 4/22![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 4/21. 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 7/155:55 pm
STL
- PDX
1 stop7h 35m
Southwest
Tue 8/114:00 pm
PDX
- STL
1 stop5h 40m
Southwest
Deal found 4/21![Southwest logo]()
$270
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 April 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 April 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Wed 6/310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:21 am
STL
- PDX
1 stop6h 23m
Delta
Fri 6/1912:31 am
PDX
- STL
1 stop7h 57m
Delta
Deal found 4/20![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 4/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Mon 6/811:30 pm
PDX
- STL
1 stop8h 05m
Southwest
Deal found 4/20![Southwest logo]()
$320
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
STL
- PDX
1 stop8h 43m
United Airlines
Sun 5/105:00 am
PDX
- STL
1 stop6h 13m
United Airlines
Deal found 4/23![United Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 4/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Mon 6/110:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/18![Alaska Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:25 am
STL
- PDX
1 stop7h 50m
Delta
Wed 6/38:13 pm
PDX
- STL
2 stops11h 16m
Delta
Deal found 4/21![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 7/45:37 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Wed 7/810:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 4/21. 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 5/87:20 pm
STL
- PDX
1 stop7h 05m
Southwest
Sun 5/107:50 am
PDX
- STL
2 stops8h 55m
Southwest
Deal found 4/21![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 4/22. 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.
Thu 6/47:59 pm
STL
- PDX
1 stop5h 45m
Delta
Sun 6/73:00 pm
PDX
- STL
1 stop6h 23m
Delta
Deal found 4/22![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 4/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:27 pm
STL
- PDX
1 stop5h 34m
Delta
Mon 6/18:13 pm
PDX
- STL
2 stops11h 16m
Delta
Deal found 4/18![Delta logo]()
$422
Last-minute flights from St. Louis to SalemDiscover last-minute flight deals from St. Louis to Salem. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Salem. Data last updated April 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:59 pm
STL
- PDX
1 stop10h 03m
Delta
Mon 5/185:05 pm
PDX
- STL
1 stop5h 25m
Delta
Deal found 4/20![Delta logo]()
$224
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Multiple Airlines
Wed 5/205:00 am
PDX
- STL
1 stop8h 16m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$253
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Wed 5/207:45 pm
PDX
- STL
1 stop8h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:11 pm
STL
- PDX
1 stop7h 43m
American Airlines
Tue 5/191:52 pm
PDX
- STL
1 stop7h 07m
American Airlines
Deal found 4/20![American Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/229:06 pm
STL
- PDX
2 stops40h 44m
Frontier
Mon 6/112:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/20![Frontier logo]()
$282
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:25 am
STL
- PDX
1 stop7h 50m
Delta
Mon 6/111:12 pm
PDX
- STL
1 stop8h 17m
Delta
Deal found 4/20![Delta logo]()
$243
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
STL
- PDX
1 stop7h 38m
United Airlines
Sun 5/314:15 pm
PDX
- STL
1 stop5h 42m
United Airlines
Deal found 4/21![United Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:45 pm
STL
- PDX
1 stop10h 06m
American Airlines
Wed 6/310:59 pm
PDX
- STL
1 stop7h 32m
American Airlines
Deal found 4/21![American Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:59 pm
STL
- PDX
1 stop10h 03m
Delta
Mon 6/111:12 pm
PDX
- STL
1 stop8h 17m
Delta
Deal found 4/21![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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.
Fri 5/295:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Wed 6/310:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:45 pm
STL
- PDX
1 stop5h 55m
Southwest
Mon 6/111:55 pm
PDX
- STL
1 stop7h 35m
Southwest
Deal found 4/19![Southwest logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/305:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Tue 6/210:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$277
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 April 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 April 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Deal found 4/21![United Airlines logo]()
$98
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:59 pm
STL
- PDX
1 stop5h 45m
Delta
Deal found 4/20![Delta logo]()
$103
This Trip.com deal was found by Cheapflights users on 4/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 4/18![Frontier logo]()
$110
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Deal found 4/20![Frontier logo]()
$111
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:40 am
STL
- PDX
1 stop7h 17m
American Airlines
Deal found 4/20![American Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Fri 5/229:06 pm
STL
- PDX
2 stops21h 40m
Frontier
Deal found 4/19![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 4/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/18![Frontier logo]()
$131
This Expedia deal was found by Cheapflights users on 4/18. 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.
Thu 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/18![Frontier logo]()
$132
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Deal found 4/22![Frontier logo]()
$135
This Trip.com deal was found by Cheapflights users on 4/19. 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.
Sat 5/236:30 pm
STL
- PDX
1 stop17h 50m
Frontier
Deal found 4/19![Frontier logo]()
$137
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:00 pm
STL
- PDX
1 stop8h 52m
American Airlines
Deal found 4/20![American Airlines logo]()
$142
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 (Delta) |
One-way from | $98 (United Airlines) |
Popular in | November |
Cheapest in | January |
Average price | $325 |
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 April 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
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/29
5:33 pm-7:50 pm
Nonstop4h 17m
Portland
Wed 6/3
10:37 am-4:37 pm
Nonstop4h 00m
$283
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sun 6/14
6:21 am-10:44 am
1 stop6h 23m
Portland
Fri 6/19
12:31 am-10:28 am
1 stop7h 57m
$309
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/29
5:33 pm-7:50 pm
Nonstop4h 17m
Portland
Mon 6/1
10:37 am-4:37 pm
Nonstop4h 00m
$309
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 5/28
11:25 am-5:15 pm
1 stop7h 50m
Portland
Wed 6/3
8:13 pm-9:29 am
2 stops11h 16m
$318
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 6/4
6:30 pm-11:55 pm
1 stop7h 25m
Portland
Mon 6/8
11:30 pm-9:35 am
1 stop8h 05m
$320
Quickest round-trip
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 7/4
5:37 pm-7:47 pm
Nonstop4h 10m
Portland
Wed 7/8
10:49 am-4:37 pm
Nonstop3h 48m
$338
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 5/7
6:00 am-12:43 pm
1 stop8h 43m
Portland
Sun 5/10
5:00 am-1:13 pm
1 stop6h 13m
$377
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/8
7:20 pm-12:25 am
1 stop7h 05m
Portland
Sun 5/10
7:50 am-6:45 pm
2 stops8h 55m
$390
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 6/4
7:59 pm-11:44 pm
1 stop5h 45m
Portland
Sun 6/7
3:00 pm-11:23 pm
1 stop6h 23m
$408
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/29
2:27 pm-6:01 pm
1 stop5h 34m
Portland
Mon 6/1
8:13 pm-9:29 am
2 stops11h 16m
$422
Showing 1-10 of 21 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
How far ahead should I book a flight from St. Louis to Salem?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Salem. Price data was last updated on April 17, 2026.
Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Salem. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 April 23, 2026.
When flying from St. Louis to Salem, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from St. Louis to Salem?
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 April 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.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
See prices for flight routes from nearby airports that may be better suited for you.
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 April 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 April 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$314 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$437 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$244 | Average$451 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$343 | FlexibilityNo cancel fee | On-time75% |