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$111+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in September or November, 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Delta)

One-way from

$111
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$463
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. 5% potential increase in price ($23 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 March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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 5/137:19 pmSTL - PDX
1 stop6h 23mDelta
Mon 5/195:00 pmPDX - STL
1 stop5h 59mDelta
Deal found 3/26$227
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/216:20 pmSTL - PDX
1 stop7h 42mAmerican Airlines
Fri 4/2511:52 pmPDX - STL
1 stop7h 30mAmerican Airlines
Deal found 3/26$229
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2012:41 pmSTL - PDX
1 stop13h 56mFrontier
Sun 4/276:20 amPDX - STL
1 stop25h 41mFrontier
Deal found 3/27$240
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 4/166:44 amSTL - PDX
1 stop6h 08mAlaska Airlines
Sat 4/196:00 amPDX - STL
1 stop6h 15mAlaska Airlines
Deal found 3/26$258
This Southwest deal was found by Cheapflights users on 3/26. 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.
Sat 4/195:35 amSTL - PDX
1 stop5h 50mSouthwest
Tue 4/225:20 amPDX - STL
2 stops10h 25mSouthwest
Deal found 3/26$312
This Mytrip deal was found by Cheapflights users on 3/27. 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 5/16:10 pmSTL - PDX
2 stops17h 47mSpirit Airlines
Mon 5/57:01 pmPDX - STL
2 stops20h 14mSpirit Airlines
Deal found 3/27$317
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:20 amSTL - PDX
2 stops11h 38mUnited Airlines
Thu 8/147:04 amPDX - STL
1 stop9h 49mUnited Airlines
Deal found 3/26$322
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Sat 4/1912:15 pmSTL - PDX
3 stops46h 57mMultiple Airlines
Wed 4/237:01 pmPDX - STL
3 stops23h 09mMultiple Airlines
Deal found 3/26$359

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 March 28, 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

Tue 5/13

7:19 pm-11:42 pm

1 stop6h 23m

Portland

Wed 5/21

5:00 pm-12:33 am

1 stop5h 33m

$227

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 4/21

6:20 pm-12:02 am

1 stop7h 42m

Portland

Fri 4/25

11:52 pm-9:22 am

1 stop7h 30m

$229

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 4/20

12:41 pm-12:37 am

1 stop13h 56m

Portland

Sun 4/27

6:20 am-10:01 am

1 stop25h 41m

$240

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 4/16

6:44 am-10:52 am

1 stop6h 08m

Portland

Sat 4/19

6:00 am-2:15 pm

1 stop6h 15m

$258

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 4/24

6:10 pm-9:12 am

2 stops17h 02m

Portland

Thu 5/1

6:30 pm-11:31 am

1 stop15h 01m

$310

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 4/19

5:35 am-9:25 am

1 stop5h 50m

Portland

Tue 4/22

5:20 am-5:45 pm

2 stops10h 25m

$312

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 5/1

6:10 pm-9:57 am

2 stops17h 47m

Portland

Mon 5/5

7:01 pm-5:15 pm

2 stops20h 14m

$317

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 5/7

5:20 am-2:58 pm

2 stops11h 38m

Portland

Thu 8/14

7:04 am-6:53 pm

1 stop9h 49m

$322

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 4/23

6:30 am-10:52 am

1 stop6h 22m

$111

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 4/22

5:00 pm-11:44 pm

1 stop8h 44m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March 21, 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 $370). 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 March 28, 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. Friday 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 March 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    $111 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $112 and $119, 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, 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 $370). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$180FlexibilityNo cancel feeOn-time65%
FrontierCheapest$98Average$188FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$177Average$428FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$204Average$457FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$215Average$435FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$495FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$467FlexibilityNo cancel feeOn-time69%
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