Salem

$74+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Aug 25 — Sep 11
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in November or April, booked 72 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 August 20, 2025.

Round-trip from

$152
(Priceline)

One-way from

$74
(Priceline)

Popular in

March

Cheapest in

November

Average price

$347
From Lambert-St Louis to Salem
One-way flight from Lambert-St Louis to Salem
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from St. Louis to Salem

Cheapest flights from St. Louis to Salem
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 August 20, 2025.

This Priceline deal was found by Cheapflights users on 8/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:55 pmSTL - PDX
1 stop6h 17mFrontier
Mon 9/811:23 amPDX - STL
1 stop7h 21mFrontier
Deal found 8/18$152
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:55 pmSTL - PDX
1 stop6h 17mFrontier
Fri 9/126:05 amPDX - STL
1 stop25h 01mFrontier
Deal found 8/19$168
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:55 pmSTL - PDX
1 stop28h 39mFrontier
Thu 9/186:05 amPDX - STL
1 stop25h 01mFrontier
Deal found 8/18$174
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:52 pmSTL - PDX
1 stop17h 56mFrontier
Sun 10/1911:36 amPDX - STL
1 stop22h 07mFrontier
Deal found 8/18$193
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Tue 9/167:55 pmSTL - PDX
1 stop28h 39mFrontier
Tue 9/237:15 amPDX - STL
1 stop23h 51mFrontier
Deal found 8/19$204
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Tue 10/147:52 pmSTL - PDX
1 stop17h 56mFrontier
Mon 10/2012:43 pmPDX - STL
1 stop18h 24mFrontier
Deal found 8/20$208
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:52 pmSTL - PDX
1 stop17h 56mFrontier
Wed 10/1512:43 pmPDX - STL
1 stop18h 24mFrontier
Deal found 8/19$214
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:52 pmSTL - PDX
1 stop17h 56mFrontier
Fri 10/1012:44 pmPDX - STL
1 stop18h 23mFrontier
Deal found 8/18$219
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:54 pmSTL - PDX
1 stop17h 29mFrontier
Wed 9/36:51 amPDX - STL
1 stop24h 15mFrontier
Deal found 8/18$220
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Tue 11/47:45 pmSTL - PDX
2 stops17h 04mMultiple Airlines
Tue 11/1112:52 pmPDX - STL
1 stop18h 15mMultiple Airlines
Deal found 8/19$222
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Wed 10/157:52 pmSTL - PDX
1 stop17h 56mFrontier
Mon 10/2012:43 pmPDX - STL
1 stop18h 24mFrontier
Deal found 8/20$223

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 August 20, 2025.
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

Fri 9/5

7:55 pm-12:12 am

1 stop6h 17m

Portland

Mon 9/8

11:23 am-8:44 pm

1 stop7h 21m

$152

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 9/8

7:55 pm-12:12 am

1 stop6h 17m

Portland

Fri 9/12

6:05 am-9:06 am

1 stop25h 01m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 10/22

7:52 pm-11:38 am

1 stop17h 46m

Portland

Sun 10/26

11:36 am-11:43 am

1 stop22h 07m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 9/19

7:55 pm-12:12 am

1 stop6h 17m

Portland

Fri 9/26

6:05 am-9:06 am

1 stop25h 01m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 9/29

7:55 pm-12:12 am

1 stop6h 17m

Portland

Mon 10/6

6:05 am-9:07 am

1 stop25h 02m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 10/23

7:52 pm-11:48 am

1 stop17h 56m

Portland

Sun 10/26

11:36 am-11:43 am

1 stop22h 07m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 9/15

7:55 pm-12:12 am

1 stop6h 17m

Portland

Mon 9/22

6:05 am-9:06 am

1 stop25h 01m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 9/28

7:55 pm-12:12 am

1 stop6h 17m

Portland

Sat 10/4

7:15 am-9:06 am

1 stop23h 51m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 9/11

7:55 pm-12:12 am

1 stop6h 17m

Portland

Sun 9/14

6:05 am-9:06 am

1 stop25h 01m

$168

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 10/24

7:52 pm-11:48 am

1 stop17h 56m

Portland

Sun 10/26

11:36 am-11:43 am

1 stop22h 07m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 19 results
1
2

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.
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

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 August 8, 2025.

Booking 72 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, November is the cheapest month in which you can book a flight from St. Louis to Salem (average of $277). Flying from St. Louis to Salem in March is currently the most expensive (average of $368). 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 August 20, 2025.

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.

What is the cheapest day to fly from St. Louis to Salem?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Salem. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Salem flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 August 20, 2025.
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.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
8.0
Very good

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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.
  • What airport do you fly from for flights from St. Louis to Salem?

    If you book a flight to Salem from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Salem per day from 7 different airlines.

  • How popular is this St. Louis to Salem flight route?

  • How long is the flight from St. Louis to Salem?

    Airlines like Frontier fly from St. Louis to Salem in about 6h 17m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1702 mi.

  • What are the cheapest flights from St. Louis to Salem?

    While on average a flight from St. Louis to Salem is generally $520, our data shows the cheapest flight currently is $352. When looking at the most popular route, (Lambert-St Louis - Portland), you can expect to pay $191 for that flight.

  • Can I find deals for flights from St. Louis to Salem that include hotel bookings?

    Yes. In addition to deals on St. Louis to Salem flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Salem?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Salem.

  • Can I find deals for business class flights from St. Louis to Salem?

    Yes. Cheapflights offers flight deals from St. Louis to Salem by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Salem?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Salem (average of $277). Flying from St. Louis to Salem in March is currently the most expensive (average of $368). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$191FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$212Average$450FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$333FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$417FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$246Average$424FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$251Average$465FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time85%

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