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Salem

$139+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 89 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 June 12, 2025.

Round-trip from

$277
(Gotogate)

One-way from

$139
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$385
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. 5% potential increase in price ($20 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 June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:29 pmSTL - PDX
1 stop29h 10mFrontier
Mon 9/86:05 amPDX - STL
1 stop25h 02mFrontier
Deal found 6/11$277
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:55 amSTL - PDX
1 stop10h 38mAmerican Airlines
Sat 9/66:07 amPDX - STL
1 stop7h 17mAmerican Airlines
Deal found 6/9$282
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 9/137:30 amSTL - PDX
1 stop7h 07mDelta
Fri 9/1912:40 amPDX - STL
1 stop6h 04mDelta
Deal found 6/10$297
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:35 pmSTL - PDX
2 stops9h 03mUnited Airlines
Fri 11/147:00 amPDX - STL
1 stop6h 29mUnited Airlines
Deal found 6/11$302
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/172:50 pmSTL - PDX
1 stop7h 10mSouthwest
Tue 7/226:05 amPDX - STL
1 stop7h 05mSouthwest
Deal found 6/10$307
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:36 pmSTL - PDX
2 stops25h 08mSpirit Airlines
Tue 7/812:12 pmPDX - STL
2 stops20h 17mSpirit Airlines
Deal found 6/12$316
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/166:00 amSTL - PDX
1 stop8h 24mAlaska Airlines
Wed 9/246:05 amPDX - STL
1 stop6h 34mAlaska Airlines
Deal found 6/10$322
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1710:47 amSTL - PDX
2 stops24h 31mMultiple Airlines
Mon 7/219:22 amPDX - STL
2 stops29h 09mMultiple Airlines
Deal found 6/12$349

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 June 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

Mon 8/18

7:29 pm-10:39 pm

1 stop29h 10m

Portland

Mon 9/8

6:05 am-9:07 am

1 stop25h 02m

$277

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 9/3

5:55 am-2:33 pm

1 stop10h 38m

Portland

Sat 9/6

6:07 am-3:24 pm

1 stop7h 17m

$282

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 8/30

6:00 am-10:40 am

1 stop6h 40m

Portland

Sat 9/6

5:35 am-1:29 pm

1 stop5h 54m

$297

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 9/3

1:39 pm-5:21 pm

1 stop5h 42m

Portland

Sat 9/6

5:00 am-3:44 pm

2 stops8h 44m

$302

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 7/17

2:50 pm-8:00 pm

1 stop7h 10m

Portland

Tue 7/22

6:05 am-3:10 pm

1 stop7h 05m

$307

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 6/30

11:28 am-11:17 am

2 stops25h 49m

Portland

Tue 7/8

12:12 pm-10:29 am

2 stops20h 17m

$312

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 7/17

10:47 am-9:18 am

2 stops24h 31m

Portland

Mon 7/21

9:22 am-4:31 pm

2 stops29h 09m

$349

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 7/1

7:32 pm-6:19 am

2 stops12h 47m

Portland

Tue 7/8

8:59 pm-2:26 pm

1 stop15h 27m

$417

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 8/12

6:06 am-2:29 pm

1 stop10h 23m

$139

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 8/24

5:10 pm-10:45 pm

1 stop7h 35m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 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 June 9, 2025.

Booking 89 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 June 12, 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.

Rainfall in Salem by month

Plan your trip to Salem by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Salem ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Salem when rainfall is around 0.7 in.

Temperature in Salem by month

Plan your trip to Salem by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Salem, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from St. Louis to Salem. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 6 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.

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

    $139 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Sun Country Air and Frontier, with prices starting from $140 and $141, respectively.

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

    While on average a flight from St. Louis to Salem is generally $545, our data shows the cheapest flight currently is $398. When looking at the most popular route, (Lambert-St Louis - Portland), you can expect to pay $296 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$187FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$170Average$445FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$215Average$443FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$517FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$439FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$446FlexibilityNo cancel feeOn-time69%

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