$76+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Apr 15 — Apr 221
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 66 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
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 March 16, 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 March 16, 2026.
This Frontier deal was found by Cheapflights users on 3/15. 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.
Sat 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Mon 5/118:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 3/15![Frontier logo]()
$210
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/145:21 pm
STL
- PDX
1 stop7h 35m
American Airlines
Tue 4/2111:47 pm
PDX
- STL
1 stop6h 37m
American Airlines
Deal found 3/15![American Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- PDX
1 stop10h 35m
Frontier
Sun 5/179:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 3/15![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/258:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Tue 4/2812:38 pm
PDX
- STL
2 stops32h 41m
Frontier
Deal found 3/14![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Tue 4/2112:38 pm
PDX
- STL
2 stops32h 41m
Frontier
Deal found 3/12![Frontier logo]()
$228
This Orbitz deal was found by Cheapflights users on 3/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 3/13![Frontier logo]()
$231
This United Airlines deal was found by Cheapflights users on 3/13. 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
Mon 5/187:45 pm
PDX
- STL
1 stop8h 02m
United Airlines
Deal found 3/13![United Airlines logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 5/195:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Tue 5/2610:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 3/11. 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 5/152:25 pm
STL
- PDX
1 stop9h 15m
Southwest
Tue 5/1911:55 pm
PDX
- STL
1 stop7h 35m
Southwest
Deal found 3/11![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 3/13. 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 5/131:45 pm
STL
- PDX
2 stops9h 00m
Southwest
Mon 5/185:10 am
PDX
- STL
1 stop8h 15m
Southwest
Deal found 3/13![Southwest logo]()
$238
This Expedia deal was found by Cheapflights users on 3/15. 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 4/169:55 pm
STL
- PDX
1 stop13h 04m
Multiple Airlines
Tue 4/212:42 pm
PDX
- STL
1 stop7h 17m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$239
This CheapOair deal was found by Cheapflights users on 3/15. 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 5/136:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Mon 5/188:46 pm
PDX
- STL
1 stop19h 20m
Frontier
Deal found 3/15![Frontier logo]()
$241
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 March 16, 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 March 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/15. 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 5/165:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Tue 5/1910:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 3/15. 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 4/166:45 pm
STL
- PDX
1 stop7h 08m
Delta
Mon 4/205:05 pm
PDX
- STL
1 stop5h 20m
Delta
Deal found 3/15![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/11. 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 8/283:02 pm
STL
- PDX
1 stop9h 49m
United Airlines
Thu 9/34:07 pm
PDX
- STL
1 stop5h 43m
United Airlines
Deal found 3/11![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 3/12. 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 6/116:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Sat 6/134:25 pm
PDX
- STL
1 stop6h 10m
Southwest
Deal found 3/12![Southwest logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 5/155:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Fri 5/2210:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 3/15. 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 5/156:21 am
STL
- PDX
1 stop6h 32m
Delta
Mon 5/185:05 pm
PDX
- STL
1 stop5h 25m
Delta
Deal found 3/15![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 3/15. 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 5/157:20 pm
STL
- PDX
1 stop7h 05m
Southwest
Tue 5/1912:45 pm
PDX
- STL
2 stops8h 25m
Southwest
Deal found 3/15![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 3/12. 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 5/511:15 am
STL
- PDX
2 stops11h 54m
United Airlines
Sat 5/97:45 pm
PDX
- STL
2 stops13h 03m
United Airlines
Deal found 3/12![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 3/11. 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 6/106:59 pm
STL
- PDX
1 stop6h 42m
Delta
Mon 6/2212:40 am
PDX
- STL
1 stop6h 00m
Delta
Deal found 3/11![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 3/15. 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 5/65:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Sat 5/97:15 am
PDX
- STL
2 stops11h 28m
United Airlines
Deal found 3/15![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 3/12. 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 4/243:25 pm
STL
- PDX
1 stop6h 42m
Delta
Sun 4/269:05 am
PDX
- STL
2 stops13h 20m
Delta
Deal found 3/12![Delta logo]()
$368
Last-minute flights from St. Louis to SalemDiscover last-minute flight deals from St. Louis to Salem. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Salem. Data last updated March 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Sun 4/56:00 am
STL
- PDX
1 stop6h 48m
American Airlines
Sat 4/1811:47 pm
PDX
- STL
1 stop6h 37m
American Airlines
Deal found 3/13![American Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/66:55 pm
STL
- PDX
1 stop7h 04m
United Airlines
Thu 4/910:56 pm
PDX
- STL
1 stop7h 29m
United Airlines
Deal found 3/13![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/97:45 am
STL
- PDX
1 stop9h 24m
United Airlines
Sat 4/1112:50 pm
PDX
- STL
1 stop6h 04m
United Airlines
Deal found 3/11![United Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Tue 4/145:21 pm
STL
- PDX
1 stop7h 35m
American Airlines
Tue 4/2111:47 pm
PDX
- STL
1 stop6h 37m
American Airlines
Deal found 3/15![American Airlines logo]()
$217
This Expedia deal was found by Cheapflights users on 3/15. 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 4/169:55 pm
STL
- PDX
1 stop13h 04m
Multiple Airlines
Tue 4/212:42 pm
PDX
- STL
1 stop7h 17m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Tue 4/2112:38 pm
PDX
- STL
2 stops32h 41m
Frontier
Deal found 3/12![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Wed 4/2212:38 pm
PDX
- STL
1 stop28h 43m
Frontier
Deal found 3/15![Frontier logo]()
$255
This Orbitz deal was found by Cheapflights users on 3/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 3/13![Frontier logo]()
$231
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/236:05 pm
STL
- PDX
1 stop6h 49m
United Airlines
Sat 4/258:40 am
PDX
- STL
2 stops10h 33m
United Airlines
Deal found 3/11![United Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 3/11. 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 4/245:21 pm
STL
- PDX
1 stop8h 36m
American Airlines
Mon 4/2710:23 pm
PDX
- STL
1 stop9h 21m
American Airlines
Deal found 3/11![American Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/258:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Tue 4/2812:38 pm
PDX
- STL
2 stops32h 41m
Frontier
Deal found 3/14![Frontier logo]()
$227
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 March 16, 2026.
Search for one-way flight options from St. Louis to Salem. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/278:17 pm
STL
- PDX
1 stop17h 35m
Frontier
Deal found 3/12![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/258:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 3/12![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 5/98:12 pm
STL
- PDX
1 stop22h 34m
Frontier
Deal found 3/11![Frontier logo]()
$82
This CheapOair deal was found by Cheapflights users on 3/15. 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.
Tue 5/195:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 3/15![Alaska Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Deal found 3/15![Frontier logo]()
$106
This Delta deal was found by Cheapflights users on 3/12. 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 4/142:20 pm
STL
- PDX
1 stop5h 48m
Delta
Deal found 3/12![Delta logo]()
$109
This Priceline deal was found by Cheapflights users on 3/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:16 pm
STL
- PDX
1 stop10h 35m
Frontier
Deal found 3/15![Frontier logo]()
$111
This Delta deal was found by Cheapflights users on 3/13. 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 4/152:20 pm
STL
- PDX
1 stop5h 48m
Delta
Deal found 3/13![Delta logo]()
$119
This Frontier deal was found by Cheapflights users on 3/15. 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.
Sun 5/1712:16 pm
STL
- PDX
1 stop10h 35m
Frontier
Deal found 3/15![Frontier logo]()
$131
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (American Airlines) |
One-way from | $76 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $472 |
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 March 16, 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
Sat 5/16
5:33 pm-7:50 pm
Nonstop4h 17m
Portland
Tue 5/19
10:37 am-4:37 pm
Nonstop4h 00m
$237
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/15
5:33 pm-7:50 pm
Nonstop4h 17m
Portland
Fri 5/22
10:37 am-4:37 pm
Nonstop4h 00m
$273
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 4/16
6:45 pm-11:53 pm
1 stop7h 08m
Portland
Mon 4/20
5:05 pm-12:25 am
1 stop5h 20m
$277
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 8/28
3:02 pm-10:51 pm
1 stop9h 49m
Portland
Thu 9/3
4:07 pm-11:50 pm
1 stop5h 43m
$289
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/15
6:21 am-10:53 am
1 stop6h 32m
Portland
Mon 5/18
5:05 pm-12:30 am
1 stop5h 25m
$305
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 6/11
6:30 pm-11:55 pm
1 stop7h 25m
Portland
Sat 6/13
4:25 pm-12:35 am
1 stop6h 10m
$308
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/15
7:20 pm-12:25 am
1 stop7h 05m
Portland
Tue 5/19
12:45 pm-11:10 pm
2 stops8h 25m
$332
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 5/5
11:15 am-9:09 pm
2 stops11h 54m
Portland
Sat 5/9
7:45 pm-10:48 am
2 stops13h 03m
$337
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 6/10
6:59 pm-11:41 pm
1 stop6h 42m
Portland
Mon 6/22
12:40 am-8:40 am
1 stop6h 00m
$344
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 5/6
5:59 pm-10:54 pm
1 stop6h 55m
Portland
Sat 5/9
7:15 am-8:43 pm
2 stops11h 28m
$362
Showing 1-10 of 23 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 March 13, 2026.
Booking 66 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 month to book a flight from St. Louis to Salem?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Salem (average of $165). Flying from St. Louis to Salem in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 March 16, 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.
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 March 16, 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
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 March 16, 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 March 16, 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 7 airlines flying from St. Louis to Salem
Discover the top 7 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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$324 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$315 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$415 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$435 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$338 | Average$472 | FlexibilityNo cancel fee | On-time85% |