$60+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Mar 25 — Apr 11
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 52 days in advance, depart on a Monday or Thursday and return on a Monday
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 February 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 February 23, 2026.
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/145:21 pm
STL
- PDX
1 stop8h 36m
American Airlines
Tue 4/217:00 am
PDX
- STL
1 stop8h 21m
American Airlines
Deal found 2/20![American Airlines logo]()
$197
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair 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
Mon 4/2011:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 2/20![Frontier logo]()
$201
This United Airlines deal was found by Cheapflights users on 2/22. 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 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 5/1811:59 pm
PDX
- STL
1 stop7h 31m
United Airlines
Deal found 2/22![United Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 2/20. 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.
Wed 5/135:40 pm
STL
- PDX
1 stop6h 20m
Southwest
Mon 5/1811:55 pm
PDX
- STL
1 stop7h 35m
Southwest
Deal found 2/20![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 2/21. 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.
Thu 5/141:45 pm
STL
- PDX
1 stop12h 25m
Southwest
Tue 5/192:35 pm
PDX
- STL
1 stop6h 40m
Southwest
Deal found 2/21![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 5/135:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Mon 5/1810:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Tue 4/2112:38 pm
PDX
- STL
2 stops32h 41m
Frontier
Deal found 2/19![Frontier logo]()
$232
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:33 pm
STL
- PDX
1 stop7h 42m
American Airlines
Sat 3/289:44 pm
PDX
- STL
1 stop8h 51m
American Airlines
Deal found 2/19![American Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 9/106:20 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Mon 9/141:50 pm
PDX
- STL
1 stop8h 09m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$239
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia 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
Mon 4/2711:48 am
PDX
- STL
1 stop5h 44m
Frontier
Deal found 2/20![Frontier logo]()
$240
This Delta deal was found by Cheapflights users on 2/22. 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 5/76:21 am
STL
- PDX
1 stop6h 32m
Delta
Tue 5/123:10 pm
PDX
- STL
1 stop6h 11m
Delta
Deal found 2/22![Delta logo]()
$248
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 February 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 February 23, 2026.
This United Airlines deal was found by Cheapflights users on 2/22. 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 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 5/1811:59 pm
PDX
- STL
1 stop7h 31m
United Airlines
Deal found 2/22![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 4/176:45 pm
STL
- PDX
1 stop7h 08m
Delta
Tue 4/215:05 pm
PDX
- STL
1 stop5h 20m
Delta
Deal found 2/19![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 6/205:33 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Sat 6/2710:45 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 2/22. 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.
Wed 5/275:35 pm
STL
- PDX
1 stop7h 25m
Southwest
Mon 6/111:55 pm
PDX
- STL
1 stop7h 35m
Southwest
Deal found 2/22![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:59 pm
STL
- PDX
1 stop6h 55m
United Airlines
Mon 5/117:45 pm
PDX
- STL
1 stop8h 02m
United Airlines
Deal found 2/19![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 2/19. 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.
Sun 4/56:12 pm
STL
- PDX
1 stop7h 42m
Delta
Sat 4/1112:30 am
PDX
- STL
1 stop6h 31m
Delta
Deal found 2/19![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:41 pm
STL
- PDX
1 stop8h 12m
United Airlines
Wed 5/278:50 am
PDX
- STL
1 stop5h 43m
United Airlines
Deal found 2/19![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 5/207:59 pm
STL
- PDX
1 stop5h 41m
Delta
Wed 6/35:05 pm
PDX
- STL
1 stop5h 25m
Delta
Deal found 2/19![Delta logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 5/275:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Sun 5/3110:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 4/142:20 pm
STL
- PDX
2 stops9h 12m
Delta
Tue 4/2111:15 pm
PDX
- STL
1 stop8h 27m
Delta
Deal found 2/19![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:29 pm
STL
- PDX
1 stop6h 54m
United Airlines
Sat 7/1811:59 pm
PDX
- STL
1 stop7h 54m
United Airlines
Deal found 2/19![United Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:29 pm
STL
- PDX
1 stop6h 54m
United Airlines
Sat 7/1811:40 pm
PDX
- STL
1 stop6h 57m
United Airlines
Deal found 2/19![United Airlines logo]()
$295
Last-minute flights from St. Louis to SalemDiscover last-minute flight deals from St. Louis to Salem. Data last updated February 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Salem. Data last updated February 23, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:12 pm
STL
- PDX
1 stop15h 57m
Frontier
Sun 3/1512:52 pm
PDX
- STL
1 stop20h 27m
Frontier
Deal found 2/20![Frontier logo]()
$271
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:33 pm
STL
- PDX
1 stop7h 42m
American Airlines
Sat 3/289:44 pm
PDX
- STL
1 stop8h 51m
American Airlines
Deal found 2/19![American Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/218:12 pm
STL
- PDX
1 stop16h 57m
Frontier
Sat 3/2812:47 pm
PDX
- STL
2 stops40h 15m
Frontier
Deal found 2/19![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2210:47 pm
STL
- PDX
1 stop12h 11m
Frontier
Sun 3/298:53 am
PDX
- STL
1 stop11h 11m
Frontier
Deal found 2/20![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2210:47 pm
STL
- PDX
1 stop12h 11m
Frontier
Mon 3/3012:52 pm
PDX
- STL
1 stop20h 27m
Frontier
Deal found 2/20![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Sun 3/2210:47 pm
STL
- PDX
1 stop12h 11m
Multiple Airlines
Sun 3/297:56 pm
PDX
- STL
2 stops37h 23m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 3/236:12 pm
STL
- PDX
1 stop7h 42m
Delta
Tue 3/241:45 pm
PDX
- STL
1 stop8h 36m
Delta
Deal found 2/21![Delta logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Wed 3/258:12 pm
STL
- PDX
1 stop16h 57m
Frontier
Tue 3/319:43 am
PDX
- STL
2 stops22h 05m
Frontier
Deal found 2/19![Frontier logo]()
$239
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/252:29 pm
STL
- PDX
1 stop11h 46m
American Airlines
Tue 3/313:10 pm
PDX
- STL
1 stop6h 49m
American Airlines
Deal found 2/19![American Airlines logo]()
$274
This CheapOair deal was found by Cheapflights users on 2/22. 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.
Wed 3/258:12 pm
STL
- PDX
1 stop16h 57m
Frontier
Mon 3/3012:52 pm
PDX
- STL
1 stop20h 27m
Frontier
Deal found 2/22![Frontier logo]()
$275
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/255:15 am
STL
- PDX
2 stops9h 18m
United Airlines
Mon 3/307:14 pm
PDX
- STL
1 stop8h 36m
United Airlines
Deal found 2/20![United Airlines logo]()
$287
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 February 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 February 23, 2026.
This Trip.com deal was found by Cheapflights users on 2/19. 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 4/188:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Deal found 2/19![Frontier logo]()
$60
This Trip.com deal was found by Cheapflights users on 2/19. 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.
Wed 3/188:12 pm
STL
- PDX
1 stop16h 57m
Frontier
Deal found 2/19![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/218:12 pm
STL
- PDX
1 stop16h 57m
Frontier
Deal found 2/22![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/178:06 pm
STL
- PDX
1 stop17h 36m
Frontier
Deal found 2/20![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:17 pm
STL
- PDX
1 stop17h 35m
Frontier
Deal found 2/21![Frontier logo]()
$96
This Delta deal was found by Cheapflights users on 2/20. 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 4/212:20 pm
STL
- PDX
1 stop5h 48m
Delta
Deal found 2/20![Delta logo]()
$99
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier 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
Frontier
Deal found 2/20![Frontier logo]()
$101
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 8/186:20 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$115
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 February 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (American Airlines) |
One-way from | $60 (Trip.com) |
Popular in | March |
Cheapest in | January |
Average price | $390 |
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 February 23, 2026.
Use the filters below to find and compare flights from St. Louis to Salem that are best for you.
Fly from
St. Louis
Fly to
Salem
Route
Depart
Return
Price
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 5/13
5:59 pm-10:54 pm
1 stop6h 55m
Portland
Mon 5/18
11:59 pm-9:30 am
1 stop7h 31m
$212
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 4/17
6:45 pm-11:53 pm
1 stop7h 08m
Portland
Tue 4/21
5:05 pm-12:25 am
1 stop5h 20m
$217
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 5/7
5:59 pm-10:54 pm
1 stop6h 55m
Portland
Mon 5/11
7:45 pm-5:47 am
1 stop8h 02m
$232
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sun 4/5
6:12 pm-11:54 pm
1 stop7h 42m
Portland
Sat 4/11
12:30 am-9:01 am
1 stop6h 31m
$237
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 6/20
5:33 pm-7:43 pm
Nonstop4h 10m
Portland
Sat 6/27
10:45 am-4:33 pm
Nonstop3h 48m
$249
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/22
5:41 pm-11:53 pm
1 stop8h 12m
Portland
Wed 5/27
8:50 am-4:33 pm
1 stop5h 43m
$249
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 5/20
7:59 pm-11:40 pm
1 stop5h 41m
Portland
Wed 6/3
5:05 pm-12:30 am
1 stop5h 25m
$252
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 4/14
2:20 pm-9:32 pm
2 stops9h 12m
Portland
Tue 4/21
11:15 pm-9:42 am
1 stop8h 27m
$275
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 5/27
5:33 pm-7:50 pm
Nonstop4h 17m
Portland
Sun 5/31
10:37 am-4:37 pm
Nonstop4h 00m
$278
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 7/11
5:29 pm-10:23 pm
1 stop6h 54m
Portland
Sat 7/18
11:59 pm-9:53 am
1 stop7h 54m
$283
Showing 1-10 of 23 results
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 February 20, 2026.
Booking 52 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.
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 February 23, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Overall
8.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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 February 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 February 23, 2026.
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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 February 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$324 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$204 | Average$420 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$204 | Average$315 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$444 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$338 | Average$520 | FlexibilityNo cancel fee | On-time85% |