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Salem

$84+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in February or September, booked 52 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:59 pm
STL
-
PDX
1 stop6h 55m
United Airlines
Mon 5/411:59 pm
PDX
-
STL
1 stop7h 31m
United Airlines
Deal found 1/21$245
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:20 pm
STL
-
PDX
Nonstop4h 10m
Alaska Airlines
Sat 9/1911:25 am
PDX
-
STL
Nonstop3h 48m
Alaska Airlines
Deal found 1/20$249
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 5/136:20 pm
STL
-
PDX
Nonstop4h 17m
Alaska Airlines
Mon 5/1812:00 pm
PDX
-
STL
1 stop9h 57m
Alaska Airlines
Deal found 1/19$259
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:20 pm
STL
-
PDX
Nonstop4h 10m
Alaska Airlines
Tue 6/1611:25 am
PDX
-
STL
Nonstop3h 48m
Alaska Airlines
Deal found 1/21$269
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:32 pm
STL
-
PDX
1 stop15h 46m
Frontier
Mon 2/99:22 pm
PDX
-
STL
2 stops47h 05m
Frontier
Deal found 1/21$272
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/166:00 pm
STL
-
PDX
1 stop7h 14m
United Airlines
Mon 2/2312:57 pm
PDX
-
STL
1 stop7h 17m
United Airlines
Deal found 1/19$273
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 4/291:40 pm
STL
-
PDX
2 stops12h 15m
Delta
Sun 5/37:32 pm
PDX
-
STL
2 stops10h 58m
Delta
Deal found 1/21$274
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:20 pm
STL
-
PDX
Nonstop4h 17m
Alaska Airlines
Tue 5/1912:00 pm
PDX
-
STL
1 stop9h 57m
Alaska Airlines
Deal found 1/21$279
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 4/306:45 pm
STL
-
PDX
1 stop7h 08m
Delta
Mon 5/47:32 pm
PDX
-
STL
2 stops12h 10m
Delta
Deal found 1/21$281
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 3/1912:28 pm
STL
-
PDX
1 stop7h 11m
Delta
Thu 3/2612:30 am
PDX
-
STL
1 stop6h 31m
Delta
Deal found 1/21$284
This Expedia deal was found by Cheapflights users on 1/20. 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.
Sat 5/167:56 pm
STL
-
PDX
1 stop14h 01m
Alaska Airlines
Sat 5/2311:18 am
PDX
-
STL
Nonstop3h 48m
Alaska Airlines
Deal found 1/20$286
This Delta deal was found by Cheapflights users on 1/19. 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 2/106:40 am
STL
-
PDX
1 stop7h 52m
Delta
Thu 2/126:00 am
PDX
-
STL
1 stop8h 45m
Delta
Deal found 1/19$288

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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$245
(United Airlines)

One-way from

$84
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$335
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
Search Deals
From Lambert-St Louis to Salem
Search Deals
One-way flight from Lambert-St Louis to Salem
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 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

Sat 2/14

4:13 pm-9:59 pm

1 stop7h 46m

Portland

Tue 2/17

6:40 am-5:13 pm

1 stop8h 33m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 2/20

6:00 pm-11:14 pm

1 stop7h 14m

Portland

Fri 2/27

10:38 pm-10:58 am

1 stop10h 20m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 3/20

3:05 pm-8:25 pm

1 stop7h 20m

Portland

Tue 3/24

5:02 pm-12:21 am

1 stop5h 19m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 2/28

4:30 pm-9:15 pm

1 stop6h 45m

Portland

Tue 3/3

12:57 pm-10:14 pm

1 stop7h 17m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/4

2:31 pm-8:44 pm

1 stop8h 13m

Portland

Sat 3/7

11:35 pm-9:03 am

1 stop7h 28m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 4/17

6:45 pm-11:53 pm

1 stop7h 08m

Portland

Sun 4/19

12:30 am-8:30 am

1 stop6h 00m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 2/15

6:00 pm-11:14 pm

1 stop7h 14m

Portland

Mon 2/23

12:57 pm-10:14 pm

1 stop7h 17m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 4/14

4:46 pm-10:32 pm

1 stop7h 46m

Portland

Tue 4/21

11:59 pm-11:19 am

1 stop9h 20m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 2/18

2:45 pm-9:15 pm

1 stop8h 30m

Portland

Sat 2/28

5:05 am-1:14 pm

1 stop6h 09m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 2/17

7:41 am-3:27 pm

1 stop9h 46m

Portland

Tue 2/24

12:57 pm-10:14 pm

1 stop7h 17m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
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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 January 16, 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 $178). Flying from St. Louis to Salem in March is currently the most expensive (average of $249). 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 January 21, 2026.

When flying from St. Louis to Salem, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Salem

Get insights into the airlines that provide service to Salem. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Salem. Reviews last updated January 21, 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.
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,089 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,191 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,174 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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?

    Within the past month, 1 users have taken a look at flights from Lambert-St Louis to Salem.

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

    Airlines like American Airlines, United Airlines, and Delta fly from St. Louis to Salem in about 7h 14m. The time it takes to get you to your destination can typically vary by up to 32m. Airlines will cover a distance of 1702 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from St. Louis to Salem one-way?

    $76 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $113 and $113, respectively.

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

    While on average a flight from St. Louis to Salem is generally $294, our data shows the cheapest flight currently is $134. When looking at the most popular route, (Lambert-St Louis - Portland), you can expect to pay $245 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, January is the cheapest month in which you can book a flight from St. Louis to Salem (average of $178). Flying from St. Louis to Salem in March is currently the most expensive (average of $249). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$245FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$330FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$324FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$416FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$458FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$248Average$472FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time85%

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