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$59+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in September or April, booked 66 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 November 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$131
(Kiwi.com)

One-way from

$59
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$373
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. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/137:43 pmSTL - PDX
1 stop18h 13mFrontier
Thu 1/112:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 11/11$131
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 12/2210:10 pmSTL - PDX
1 stop17h 14mFrontier
Thu 1/112:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 11/11$139
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/207:43 pmSTL - PDX
1 stop18h 00mFrontier
Thu 1/112:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 11/11$144
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/2310:48 amSTL - PDX
2 stops52h 36mFrontier
Thu 1/112:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 11/11$167
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/137:43 pmSTL - PDX
1 stop18h 13mFrontier
Sun 1/42:19 pmPDX - STL
2 stops17h 43mFrontier
Deal found 11/11$168
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 12/2210:10 pmSTL - PDX
1 stop17h 14mFrontier
Sun 1/42:19 pmPDX - STL
2 stops17h 43mFrontier
Deal found 11/11$176
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/137:43 pmSTL - PDX
1 stop18h 13mFrontier
Tue 12/3012:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 11/11$182
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Fri 12/127:43 pmSTL - PDX
2 stops15h 10mFrontier
Thu 1/112:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 11/11$184
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 12/2210:10 pmSTL - PDX
1 stop17h 14mFrontier
Mon 1/58:45 pmPDX - STL
2 stops35h 17mFrontier
Deal found 11/11$192

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 November 12, 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 12/5

2:38 pm-12:16 am

2 stops11h 38m

Portland

Mon 12/8

5:30 am-7:10 pm

2 stops11h 40m

$236

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 4/1

7:00 am-12:21 pm

1 stop7h 21m

Portland

Sun 4/5

7:40 am-11:55 pm

1 stop14h 15m

$246

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 12/15

5:34 pm-10:55 am

2 stops19h 21m

Portland

Mon 1/5

5:23 am-11:25 pm

2 stops16h 02m

$246

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 12/15

2:20 pm-10:40 pm

2 stops10h 20m

Portland

Wed 12/31

5:15 pm-9:24 am

2 stops14h 09m

$246

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 12/13

6:00 am-3:33 pm

2 stops11h 33m

Portland

Tue 12/30

5:25 pm-11:12 am

2 stops15h 47m

$246

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 12/13

1:35 pm-6:06 pm

1 stop6h 31m

Portland

Wed 12/17

1:14 pm-8:57 pm

1 stop5h 43m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 12/8

2:37 pm-8:50 pm

1 stop8h 13m

Portland

Thu 12/11

11:59 pm-8:50 am

1 stop6h 51m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 1/30

6:45 am-2:46 pm

1 stop10h 01m

Portland

Sun 2/1

12:59 pm-10:00 pm

1 stop7h 01m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 3/3

2:22 pm-6:16 pm

1 stop5h 54m

Portland

Wed 3/4

6:00 am-4:47 pm

1 stop8h 47m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 1/8

7:00 am-12:32 pm

1 stop7h 32m

Portland

Sun 1/11

1:53 pm-11:25 pm

1 stop7h 32m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November 7, 2025.

Booking 66 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, December is the cheapest month in which you can book a flight from St. Louis to Salem (average of $160). Flying from St. Louis to Salem in March is currently the most expensive (average of $265). 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 November 12, 2025.

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 morning, which can drop the price by up to 25% versus a flight in the afternoon.

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. Friday afternoons 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 November 12, 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.
Alaska Airlines
8.0
Very good
11,281 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,281 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,235 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,015 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,049 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 Delta and Alaska Airlines fly from St. Louis to Salem in about 7h 21m. The time it takes to get you to your destination can typically vary by up to 4h 17m. 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?

    $108 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $119 and $124, respectively.

  • 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, December is the cheapest month in which you can book a flight from St. Louis to Salem (average of $160). Flying from St. Louis to Salem in March is currently the most expensive (average of $265). 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

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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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$245FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$458FlexibilityNo cancel feeOn-time71%
DeltaCheapest$219Average$336FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$418FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$235Average$454FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$248Average$448FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time85%

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