$101+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
May 11 — May 181
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 Tuesday
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 April 11, 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 11, 2026.
This CheapOair deal was found by Cheapflights users on 4/7. 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 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Thu 5/79:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/6. 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 4/238:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/6![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/7. 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 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/7![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 4/10. 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 4/10![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/7. 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 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Thu 5/149:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 4/10. 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
Sun 5/311:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/10![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/10. 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 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Sun 6/216:19 pm
PDX
- STL
1 stop17h 47m
Frontier
Deal found 4/10![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:06 pm
STL
- PDX
1 stop15h 14m
Frontier
Mon 6/811:15 am
PDX
- STL
2 stops30h 08m
Frontier
Deal found 4/9![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 4/6. 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 5/288:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Mon 6/112:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/6![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 4/10. 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.
Fri 5/295:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Sun 5/3111:15 am
PDX
- STL
1 stop6h 56m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$250
This CheapOair deal was found by Cheapflights users on 4/6. 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 5/299:06 pm
STL
- PDX
1 stop15h 28m
Frontier
Tue 6/25:46 pm
PDX
- STL
1 stop23h 37m
Frontier
Deal found 4/6![Frontier logo]()
$261
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 11, 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 11, 2026.
This Delta deal was found by Cheapflights users on 4/9. 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 7/287:54 pm
STL
- PDX
1 stop5h 50m
Delta
Sat 8/112:35 am
PDX
- STL
1 stop6h 07m
Delta
Deal found 4/9![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 8/205:59 pm
STL
- PDX
Nonstop4h 10m
Alaska Airlines
Sat 8/2911:15 am
PDX
- STL
Nonstop3h 48m
Alaska Airlines
Deal found 4/10![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 4/6. 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 7/106:30 pm
STL
- PDX
1 stop7h 25m
Southwest
Sun 7/125:10 am
PDX
- STL
1 stop10h 55m
Southwest
Deal found 4/6![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Sun 7/125:33 pm
STL
- PDX
1 stop8h 29m
United Airlines
Sat 7/2511:40 pm
PDX
- STL
1 stop8h 54m
United Airlines
Deal found 4/10![United Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 6/45:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Mon 6/810:37 am
PDX
- STL
Nonstop4h 00m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 4/6. 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 7/97:54 pm
STL
- PDX
1 stop5h 50m
Delta
Sat 7/1112:35 am
PDX
- STL
1 stop7h 53m
Delta
Deal found 4/6![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/64:46 pm
STL
- PDX
1 stop8h 07m
Alaska Airlines
Fri 5/81:52 pm
PDX
- STL
1 stop8h 07m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 4/10. 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 5/293:11 pm
STL
- PDX
1 stop7h 00m
Delta
Wed 6/38:13 pm
PDX
- STL
2 stops12h 19m
Delta
Deal found 4/10![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 4/6. 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 10/27:45 am
STL
- PDX
2 stops8h 40m
Southwest
Mon 10/56:20 am
PDX
- STL
2 stops10h 45m
Southwest
Deal found 4/6![Southwest logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 9/177:44 am
STL
- PDX
2 stops14h 06m
Alaska Airlines
Sun 9/2710:37 am
PDX
- STL
1 stop9h 23m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$414
Last-minute flights from St. Louis to SalemDiscover last-minute flight deals from St. Louis to Salem. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Salem. Data last updated April 11, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/6. 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 4/238:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Sun 4/2611:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/6![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 4/7. 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 4/309:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Thu 5/79:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/10. 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
Sun 5/311:15 am
PDX
- STL
1 stop6h 06m
Frontier
Deal found 4/10![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/10. 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 5/28:17 pm
STL
- PDX
1 stop16h 03m
Frontier
Sun 6/216:19 pm
PDX
- STL
1 stop17h 47m
Frontier
Deal found 4/10![Frontier logo]()
$236
This Expedia deal was found by Cheapflights users on 4/7. 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 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Fri 5/812:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/7![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 4/7. 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 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Thu 5/149:46 pm
PDX
- STL
1 stop20h 37m
Frontier
Deal found 4/7![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 4/10. 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 4/10![Frontier logo]()
$216
This CheapOair deal was found by Cheapflights users on 4/6. 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 5/288:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Mon 6/112:35 pm
PDX
- STL
1 stop28h 48m
Frontier
Deal found 4/6![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:08 pm
STL
- PDX
2 stops16h 12m
Frontier
Tue 6/25:46 pm
PDX
- STL
1 stop23h 37m
Frontier
Deal found 4/7![Frontier logo]()
$262
This Expedia deal was found by Cheapflights users on 4/10. 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.
Fri 5/295:33 pm
STL
- PDX
Nonstop4h 17m
Multiple Airlines
Sun 5/3111:15 am
PDX
- STL
1 stop6h 56m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$250
This CheapOair deal was found by Cheapflights users on 4/6. 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 5/299:06 pm
STL
- PDX
1 stop15h 28m
Frontier
Tue 6/25:46 pm
PDX
- STL
1 stop23h 37m
Frontier
Deal found 4/6![Frontier logo]()
$261
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 6/68:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Deal found 4/10![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 4/10. 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 4/278:17 pm
STL
- PDX
1 stop17h 35m
Frontier
Deal found 4/10![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 4/8. 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 5/712:36 pm
STL
- PDX
1 stop10h 15m
Frontier
Deal found 4/8![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 4/7. 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 5/66:51 pm
STL
- PDX
1 stop28h 00m
Frontier
Deal found 4/7![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/38:06 pm
STL
- PDX
1 stop16h 57m
Frontier
Deal found 4/7![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:55 pm
STL
- PDX
1 stop13h 04m
Frontier
Deal found 4/10![Frontier logo]()
$128
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 6/65:33 pm
STL
- PDX
Nonstop4h 17m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$129
This Trip.com deal was found by Cheapflights users on 4/7. 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 4/7![Frontier logo]()
$135
This Trip.com deal was found by Cheapflights users on 4/8. 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 5/278:08 pm
STL
- PDX
1 stop22h 38m
Frontier
Deal found 4/8![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:51 pm
STL
- PDX
2 stops42h 59m
Frontier
Deal found 4/10![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 4/9. 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 5/95:00 pm
STL
- PDX
1 stop7h 40m
Delta
Deal found 4/9![Delta logo]()
$139
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (CheapOair) |
One-way from | $101 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $322 |
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 11, 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 7/28
7:54 pm-11:44 pm
1 stop5h 50m
Portland
Sat 8/1
12:35 am-8:42 am
1 stop6h 07m
$309
Quickest round-trip
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 8/20
5:59 pm-8:09 pm
Nonstop4h 10m
Portland
Sat 8/29
11:15 am-5:03 pm
Nonstop3h 48m
$329
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 6/4
5:33 pm-7:50 pm
Nonstop4h 17m
Portland
Mon 6/8
10:37 am-4:37 pm
Nonstop4h 00m
$358
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 7/9
7:54 pm-11:44 pm
1 stop5h 50m
Portland
Sat 7/11
12:35 am-10:28 am
1 stop7h 53m
$359
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Wed 5/6
4:46 pm-10:53 pm
1 stop8h 07m
Portland
Fri 5/8
1:52 pm-11:59 pm
1 stop8h 07m
$359
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 5/29
3:11 pm-8:11 pm
1 stop7h 00m
Portland
Wed 6/3
8:13 pm-10:32 am
2 stops12h 19m
$387
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 7/10
6:30 pm-11:55 pm
1 stop7h 25m
Portland
Sun 7/12
5:10 am-6:05 pm
1 stop10h 55m
$412
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Thu 9/17
7:44 am-7:50 pm
2 stops14h 06m
Portland
Sun 9/27
10:37 am-10:00 pm
1 stop9h 23m
$414
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Sun 7/12
5:33 pm-12:02 am
1 stop8h 29m
Portland
Sat 7/25
11:40 pm-10:34 am
1 stop8h 54m
$443
St. LouisPortland
STL - PDX
STLPDX
Lambert-St Louis
Fri 10/2
7:45 am-2:25 pm
2 stops8h 40m
Portland
Mon 10/5
6:20 am-7:05 pm
2 stops10h 45m
$469
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 9, 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 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 $167). 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 April 11, 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 11, 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.
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
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
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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 April 11, 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 11, 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$317 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$432 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$238 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$249 | Average$342 | FlexibilityNo cancel fee | On-time75% |