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$66+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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

Keep the following information in mind while searching for St. Louis to Salem flight deals. Data was last updated January 15, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$186
(Kiwi.com)

One-way from

$66
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$325
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
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From Lambert-St Louis to Salem
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One-way flight from Lambert-St Louis to Salem
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Frontier deal was found by Cheapflights users on 1/14. 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 1/2910:01 pm
STL
-
PDX
1 stop13h 48m
Frontier
Thu 2/511:28 am
PDX
-
STL
1 stop7h 38m
Frontier
Deal found 1/14$201
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Mon 9/146:20 pm
STL
-
PDX
Nonstop4h 10m
Alaska Airlines
Wed 9/1611:25 am
PDX
-
STL
Nonstop3h 48m
Alaska Airlines
Deal found 1/15$229
This United Airlines deal was found by Cheapflights users on 1/15. 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 2/66:00 am
STL
-
PDX
1 stop8h 18m
United Airlines
Mon 2/912:59 pm
PDX
-
STL
1 stop7h 01m
United Airlines
Deal found 1/15$249
This Delta deal was found by Cheapflights users on 1/15. 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 5/196:30 am
STL
-
PDX
1 stop8h 24m
Delta
Tue 6/212:40 am
PDX
-
STL
1 stop6h 00m
Delta
Deal found 1/15$253
This United Airlines deal was found by Cheapflights users on 1/14. 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 11/79:13 am
STL
-
PDX
1 stop6h 02m
United Airlines
Sat 11/145:15 am
PDX
-
STL
2 stops8h 06m
United Airlines
Deal found 1/14$254
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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 1/14$259
This Delta deal was found by Cheapflights users on 1/14. 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 8/202:18 pm
STL
-
PDX
1 stop9h 28m
Delta
Wed 8/2610:55 pm
PDX
-
STL
1 stop8h 35m
Delta
Deal found 1/14$262
This Southwest deal was found by Cheapflights users on 1/15. 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 6/116:00 am
STL
-
PDX
1 stop7h 40m
Southwest
Tue 6/1611:30 pm
PDX
-
STL
1 stop8h 05m
Southwest
Deal found 1/15$269
This Delta deal was found by Cheapflights users on 1/14. 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 3/196:12 pm
STL
-
PDX
1 stop7h 42m
Delta
Wed 3/2510:42 am
PDX
-
STL
2 stops11h 39m
Delta
Deal found 1/14$272
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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 5/206:20 pm
STL
-
PDX
Nonstop4h 17m
Alaska Airlines
Wed 6/311:18 am
PDX
-
STL
Nonstop3h 48m
Alaska Airlines
Deal found 1/14$279
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/42:45 pm
STL
-
PDX
2 stops11h 54m
United Airlines
Wed 2/118:30 am
PDX
-
STL
1 stop6h 25m
United Airlines
Deal found 1/14$287

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 15, 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

Thu 1/29

10:01 pm-9:49 am

1 stop13h 48m

Portland

Thu 2/5

11:28 am-9:06 pm

1 stop7h 38m

$201

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 3/19

12:28 pm-5:39 pm

1 stop7h 11m

Portland

Wed 3/25

1:45 pm-12:21 am

1 stop8h 36m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/4

3:40 pm-8:30 pm

1 stop6h 50m

Portland

Sat 3/7

1:32 pm-9:38 pm

1 stop6h 06m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 4/13

3:25 pm-8:07 pm

1 stop6h 42m

Portland

Sun 4/26

12:30 am-8:30 am

1 stop6h 00m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 2/4

2:45 pm-12:39 am

2 stops11h 54m

Portland

Wed 2/11

8:30 am-4:55 pm

1 stop6h 25m

$287

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/25

1:39 pm-9:53 pm

1 stop10h 14m

Portland

Mon 3/30

11:15 pm-9:46 am

1 stop8h 31m

$288

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/25

5:12 am-11:07 am

1 stop7h 55m

Portland

Mon 3/30

11:53 pm-9:29 am

1 stop7h 36m

$294

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 4/8

2:15 pm-8:59 pm

2 stops8h 44m

Portland

Thu 4/9

12:30 am-9:01 am

1 stop6h 31m

$301

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/4

2:22 pm-8:55 pm

2 stops8h 33m

Portland

Tue 3/10

5:02 pm-12:21 am

1 stop5h 19m

$301

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 2/11

11:23 am-5:35 pm

1 stop8h 12m

Portland

Wed 2/18

11:35 am-11:23 pm

2 stops9h 48m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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 January 9, 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 $173). Flying from St. Louis to Salem in March is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Salem

Get insights into the airlines that provide service to Salem. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Salem. Reviews last updated January 15, 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
11,721 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
11,721 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
4,258 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
8,051 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
9,164 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
11,136 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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 Frontier and Delta fly from St. Louis to Salem in about 7h 11m. The time it takes to get you to your destination can typically vary by up to 6h 37m. 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 $238, 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 $173). Flying from St. Louis to Salem in March is currently the most expensive (average of $250). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$245FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$331FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$326FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$416FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$457FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$248Average$473FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time85%

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