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Salem

$72+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
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 Monday or Tuesday 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 December 3, 2025.

This United Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/165:30 pmSTL - PDX
1 stop7h 22mUnited Airlines
Wed 12/175:00 amPDX - STL
1 stop5h 39mUnited Airlines
Deal found 12/1$246
This Delta deal was found by Cheapflights users on 12/2. 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 12/162:20 pmSTL - PDX
1 stop5h 54mDelta
Wed 12/175:30 amPDX - STL
1 stop6h 00mDelta
Deal found 12/2$251
This Mytrip deal was found by Cheapflights users on 12/1. 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.
Wed 12/177:43 pmSTL - PDX
1 stop18h 00mFrontier
Thu 12/182:29 pmPDX - STL
1 stop28h 56mFrontier
Deal found 12/1$288
This Delta deal was found by Cheapflights users on 12/2. 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 12/242:18 pmSTL - PDX
2 stops8h 18mDelta
Wed 12/315:15 pmPDX - STL
2 stops15h 57mDelta
Deal found 12/2$307
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/247:43 pmSTL - PDX
1 stop18h 00mFrontier
Thu 1/112:47 pmPDX - STL
1 stop19h 15mFrontier
Deal found 12/2$315
This American Airlines deal was found by Cheapflights users on 11/30. 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.
Mon 12/157:00 amSTL - PDX
1 stop8h 05mAmerican Airlines
Mon 1/510:21 pmPDX - STL
1 stop9h 19mAmerican Airlines
Deal found 11/30$333
This Delta deal was found by Cheapflights users on 12/2. 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 12/162:20 pmSTL - PDX
1 stop5h 54mDelta
Fri 12/195:05 pmPDX - STL
1 stop5h 49mDelta
Deal found 12/2$334
This United Airlines deal was found by Cheapflights users on 11/30. 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 12/154:37 pmSTL - PDX
2 stops10h 00mUnited Airlines
Mon 1/512:54 pmPDX - STL
1 stop7h 28mUnited Airlines
Deal found 11/30$338
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/161:35 pmSTL - PDX
2 stops11h 17mUnited Airlines
Thu 12/182:45 pmPDX - STL
1 stop5h 37mUnited Airlines
Deal found 12/1$339
This Southwest deal was found by Cheapflights users on 12/1. 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.
Wed 12/311:50 pmSTL - PDX
2 stops10h 10mSouthwest
Wed 1/76:00 amPDX - STL
2 stops9h 10mSouthwest
Deal found 12/1$345

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 December 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$151
(Southwest)

One-way from

$72
(Southwest)

Popular in

March

Cheapest in

September

Average price

$382
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. 3% potential increase in price ($14 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 December 2025
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 December 3, 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 1/19

6:00 am-11:45 am

1 stop7h 45m

Portland

Thu 1/22

6:00 am-4:14 pm

1 stop8h 14m

$181

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 1/27

6:40 am-12:32 pm

1 stop7h 52m

Portland

Sat 1/31

5:50 am-1:48 pm

1 stop5h 58m

$183

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 2/11

1:15 pm-6:00 pm

1 stop6h 45m

Portland

Sun 2/15

6:45 am-3:55 pm

1 stop7h 10m

$194

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 1/25

3:31 pm-8:32 pm

1 stop7h 01m

Portland

Sat 1/31

5:50 am-1:48 pm

1 stop5h 58m

$219

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 1/30

6:35 am-6:50 pm

2 stops14h 15m

Portland

Sat 1/31

5:30 am-11:25 pm

2 stops15h 55m

$236

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 5/13

6:20 pm-8:30 pm

Nonstop4h 10m

Portland

Mon 5/18

1:25 pm-12:04 am

1 stop8h 39m

$239

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 12/16

5:30 pm-10:52 pm

1 stop7h 22m

Portland

Wed 12/17

5:00 am-12:39 pm

1 stop5h 39m

$246

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 2/17

9:59 am-3:56 pm

1 stop7h 57m

Portland

Mon 3/9

11:15 pm-9:40 am

1 stop8h 25m

$248

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 5/9

6:30 am-12:54 pm

1 stop8h 24m

Portland

Sat 5/16

6:15 am-4:45 pm

1 stop8h 30m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 1/28

3:31 pm-8:32 pm

1 stop7h 01m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

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 November 28, 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, February is the cheapest month in which you can book a flight from St. Louis to Salem (average of $163). 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 December 3, 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 22% versus a flight in the evening.

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 December 3, 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
11,396 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
8.0
Very good
11,396 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
United Airlines
7.4
Good
9,065 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
American Airlines
7.2
Good
11,044 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

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, Delta, and Southwest fly from St. Louis to Salem in about 6h 45m. The time it takes to get you to your destination can typically vary by up to 1h 07m. 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?

    $75 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Alaska 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 $454, our data shows the cheapest flight currently is $229. When looking at the most popular route, (Lambert-St Louis - Portland), you can expect to pay $151 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, February is the cheapest month in which you can book a flight from St. Louis to Salem (average of $163). 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

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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$246FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$441FlexibilityNo cancel feeOn-time71%
DeltaCheapest$223Average$335FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$419FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$231Average$449FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$248Average$455FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time85%

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