$106+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Jun 30 — Jul 71
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Salem with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in January or September, booked 59 days in advance, depart on a Tuesday or Friday and return on a Tuesday
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 May 31, 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 May 31, 2026.
This Southwest deal was found by Cheapflights users on 5/29. 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 9/25:00 pm
STL
- PDX
1 stop7h 20m
Southwest
Tue 9/810:45 pm
PDX
- STL
1 stop9h 20m
Southwest
Deal found 5/29![Southwest logo]()
$271
This United Airlines deal was found by Cheapflights users on 5/29. 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 9/124:40 pm
STL
- PDX
1 stop6h 25m
United Airlines
Thu 9/171:00 pm
PDX
- STL
1 stop7h 30m
United Airlines
Deal found 5/29![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 5/29. 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 8/206:05 am
STL
- PDX
1 stop10h 55m
Southwest
Sun 8/2311:30 pm
PDX
- STL
1 stop9h 00m
Southwest
Deal found 5/29![Southwest logo]()
$285
This United Airlines deal was found by Cheapflights users on 5/29. 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 9/1112:59 pm
STL
- PDX
1 stop8h 04m
United Airlines
Fri 9/187:02 am
PDX
- STL
1 stop6h 36m
United Airlines
Deal found 5/29![United Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:50 am
STL
- PDX
1 stop8h 30m
Southwest
Wed 8/1211:30 pm
PDX
- STL
1 stop7h 45m
Southwest
Deal found 5/30![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 5/30. 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 8/88:00 am
STL
- PDX
1 stop7h 52m
American Airlines
Tue 8/1111:34 pm
PDX
- STL
1 stop6h 49m
American Airlines
Deal found 5/30![American Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 5/30. 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 10/37:00 am
STL
- PDX
1 stop9h 36m
United Airlines
Sat 10/311:30 pm
PDX
- STL
1 stop9h 18m
United Airlines
Deal found 5/30![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:18 am
STL
- PDX
1 stop8h 19m
Delta
Wed 7/85:14 pm
PDX
- STL
1 stop5h 27m
Delta
Deal found 5/28![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 5/29. 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 7/296:55 pm
STL
- PDX
1 stop7h 00m
Southwest
Wed 8/510:45 pm
PDX
- STL
2 stops14h 25m
Southwest
Deal found 5/29![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 5/28. 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 7/27:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Tue 7/711:40 pm
PDX
- STL
1 stop7h 09m
United Airlines
Deal found 5/28![United Airlines logo]()
$337
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 May 31, 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 May 31, 2026.
This Delta deal was found by Cheapflights users on 5/30. 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 7/142:30 pm
STL
- PDX
1 stop5h 48m
Delta
Mon 7/2012:33 am
PDX
- STL
1 stop7h 55m
Delta
Deal found 5/30![Delta logo]()
$319
This Southwest deal was found by Cheapflights users on 5/27. 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 8/2011:55 am
STL
- PDX
2 stops9h 25m
Southwest
Thu 9/102:05 pm
PDX
- STL
1 stop7h 00m
Southwest
Deal found 5/27![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 5/26. 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 7/304:48 pm
STL
- PDX
1 stop8h 25m
United Airlines
Mon 8/311:40 pm
PDX
- STL
1 stop6h 59m
United Airlines
Deal found 5/26![United Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 7/75:37 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Tue 7/1410:49 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:21 am
STL
- PDX
1 stop6h 19m
Delta
Tue 6/235:24 pm
PDX
- STL
1 stop5h 19m
Delta
Deal found 5/28![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:30 am
STL
- PDX
Nonstop4h 10m
Southwest
Tue 8/1110:45 pm
PDX
- STL
1 stop9h 20m
Southwest
Deal found 5/30![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 5/26. 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 7/307:55 pm
STL
- PDX
1 stop5h 49m
Delta
Sat 8/112:33 am
PDX
- STL
1 stop6h 13m
Delta
Deal found 5/26![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/30. 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 6/152:57 pm
STL
- PDX
1 stop9h 51m
United Airlines
Fri 6/1911:59 pm
PDX
- STL
1 stop8h 08m
United Airlines
Deal found 5/30![United Airlines logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 6/205:37 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Sat 6/2710:59 pm
PDX
- STL
1 stop7h 32m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$507
This Southwest deal was found by Cheapflights users on 5/30. 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 7/156:55 pm
STL
- PDX
1 stop7h 00m
Southwest
Sat 7/255:00 am
PDX
- STL
2 stops8h 55m
Southwest
Deal found 5/30![Southwest logo]()
$505
This Southwest deal was found by Cheapflights users on 5/29. 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.
Mon 7/276:10 am
STL
- PDX
2 stops10h 00m
Southwest
Fri 7/3112:25 pm
PDX
- STL
2 stops9h 50m
Southwest
Deal found 5/29![Southwest logo]()
$519
Last-minute flights from St. Louis to SalemDiscover last-minute flight deals from St. Louis to Salem. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Salem. Data last updated May 31, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Fri 6/122:56 pm
STL
- PDX
1 stop6h 51m
Frontier
Wed 6/175:20 pm
PDX
- STL
1 stop23h 33m
Frontier
Deal found 5/27![Frontier logo]()
$360
This Booking.com deal was found by Cheapflights users on 5/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:38 pm
STL
- PDX
1 stop23h 19m
Frontier
Tue 6/235:20 pm
PDX
- STL
1 stop24h 03m
Frontier
Deal found 5/26![Frontier logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/27. 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 6/154:52 pm
STL
- PDX
1 stop6h 18m
United Airlines
Fri 6/191:02 pm
PDX
- STL
1 stop7h 43m
United Airlines
Deal found 5/27![United Airlines logo]()
$348
This Booking.com deal was found by Cheapflights users on 5/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:46 pm
STL
- PDX
1 stop26h 01m
Frontier
Tue 6/235:20 pm
PDX
- STL
1 stop24h 03m
Frontier
Deal found 5/27![Frontier logo]()
$361
This United Airlines deal was found by Cheapflights users on 5/28. 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 6/197:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Wed 6/242:27 pm
PDX
- STL
1 stop7h 02m
United Airlines
Deal found 5/28![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 5/27. 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 6/207:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Fri 6/2611:40 pm
PDX
- STL
1 stop6h 53m
United Airlines
Deal found 5/27![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 5/26. 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 6/238:00 am
STL
- PDX
1 stop6h 55m
American Airlines
Tue 6/305:10 am
PDX
- STL
1 stop9h 23m
American Airlines
Deal found 5/26![American Airlines logo]()
$358
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/252:56 pm
STL
- PDX
1 stop6h 51m
Frontier
Fri 7/36:19 pm
PDX
- STL
1 stop17h 47m
Frontier
Deal found 5/29![Frontier logo]()
$359
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:56 pm
STL
- PDX
1 stop6h 51m
Frontier
Mon 7/65:49 pm
PDX
- STL
1 stop22h 16m
Frontier
Deal found 5/30![Frontier logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/27. 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 6/295:10 am
STL
- PDX
1 stop6h 37m
United Airlines
Fri 7/310:40 pm
PDX
- STL
1 stop7h 59m
United Airlines
Deal found 5/27![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 5/30. 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 6/306:21 am
STL
- PDX
1 stop8h 19m
Delta
Thu 7/912:33 am
PDX
- STL
1 stop6h 13m
Delta
Deal found 5/30![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/26. 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 6/305:10 am
STL
- PDX
1 stop6h 37m
United Airlines
Thu 7/210:40 pm
PDX
- STL
1 stop7h 59m
United Airlines
Deal found 5/26![United Airlines logo]()
$339
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 May 31, 2026.
Search for one-way flight options from St. Louis to Salem. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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 8/268:48 am
STL
- PDX
1 stop6h 50m
Delta
Deal found 5/29![Delta logo]()
$106
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 pm
STL
- PDX
1 stop7h 38m
Delta
Deal found 5/29![Delta logo]()
$126
This United Airlines deal was found by Cheapflights users on 5/30. 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 8/145:30 pm
STL
- PDX
1 stop7h 22m
United Airlines
Deal found 5/30![United Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 5/29. 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 8/282:10 pm
STL
- PDX
1 stop9h 59m
Delta
Deal found 5/29![Delta logo]()
$146
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:35 pm
STL
- PDX
Nonstop4h 05m
Southwest
Deal found 5/29![Southwest logo]()
$150
This Delta deal was found by Cheapflights users on 5/28. 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 6/223:57 pm
STL
- PDX
1 stop9h 21m
Delta
Deal found 5/28![Delta logo]()
$160
This Southwest deal was found by Cheapflights users on 5/26. 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 8/2011:55 am
STL
- PDX
2 stops9h 25m
Southwest
Deal found 5/26![Southwest logo]()
$165
This Booking.com deal was found by Cheapflights users on 5/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:08 pm
STL
- PDX
1 stop22h 43m
Frontier
Deal found 5/27![Frontier logo]()
$167
This Priceline deal was found by Cheapflights users on 5/29. 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 6/252:56 pm
STL
- PDX
1 stop6h 51m
Frontier
Deal found 5/29![Frontier logo]()
$174
This Priceline deal was found by Cheapflights users on 5/30. 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.
Fri 6/262:56 pm
STL
- PDX
1 stop6h 51m
Frontier
Deal found 5/30![Frontier logo]()
$175
This United Airlines deal was found by Cheapflights users on 5/28. 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 7/97:23 pm
STL
- PDX
1 stop7h 27m
United Airlines
Deal found 5/28![United Airlines logo]()
$178
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 May 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Southwest) |
One-way from | $106 (Delta) |
Popular in | November |
Cheapest in | January |
Average price | $380 |
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 May 31, 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
Tue 7/14
2:30 pm-6:18 pm
1 stop5h 48m
Portland
Mon 7/20
12:33 am-10:28 am
1 stop7h 55m
$319
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 6/20
6:21 am-10:40 am
1 stop6h 19m
Portland
Tue 6/23
5:24 pm-12:43 am
1 stop5h 19m
$377
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 8/20
11:55 am-7:20 pm
2 stops9h 25m
Portland
Thu 9/10
2:05 pm-11:05 pm
1 stop7h 00m
$382
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 7/30
7:55 pm-11:44 pm
1 stop5h 49m
Portland
Sat 8/1
12:33 am-8:46 am
1 stop6h 13m
$389
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 8/8
8:30 am-10:40 am
Nonstop4h 10m
Portland
Tue 8/11
10:45 pm-10:05 am
1 stop9h 20m
$399
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 7/30
4:48 pm-11:13 pm
1 stop8h 25m
Portland
Mon 8/3
11:40 pm-8:39 am
1 stop6h 59m
$448
Quickest round-trip
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Tue 7/7
5:37 pm-7:47 pm
Nonstop4h 10m
Portland
Tue 7/14
10:49 am-4:37 pm
Nonstop3h 48m
$457
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Mon 6/15
2:57 pm-10:48 pm
1 stop9h 51m
Portland
Fri 6/19
11:59 pm-10:07 am
1 stop8h 08m
$477
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 7/15
6:55 pm-11:55 pm
1 stop7h 00m
Portland
Sat 7/25
5:00 am-3:55 pm
2 stops8h 55m
$505
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sat 6/20
5:37 pm-7:47 pm
Nonstop4h 10m
Portland
Sat 6/27
10:59 pm-8:31 am
1 stop7h 32m
$507
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Salem
Have a flexible travel schedule? Discover the best time to fly to Salem from St. Louis with our price prediction graph.
STL-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Salem
STL-SA8
STL-PDX
What is the cheapest time of day to fly from STL to SA8?
Find hourly flight availability from St. Louis to Salem. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 31, 2026.
When flying from St. Louis to Salem, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight at noon.
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 May 31, 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.
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 May 31, 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 May 31, 2026.
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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 May 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$293 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$347 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$246 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$490 | FlexibilityNo cancel fee | On-time75% |