HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Salem

$87+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PDX
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Salem with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Kiwi.com)

One-way from

$87
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$362
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. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:45 pmSTL - PDX
1 stop18h 11mFrontier
Fri 11/143:26 pmPDX - STL
1 stop15h 41mFrontier
Deal found 10/12$229
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:45 pmSTL - PDX
1 stop18h 11mFrontier
Thu 11/1312:52 pmPDX - STL
1 stop18h 15mFrontier
Deal found 10/12$230
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/57:45 pmSTL - PDX
1 stop18h 11mFrontier
Mon 11/103:26 pmPDX - STL
1 stop15h 41mFrontier
Deal found 10/13$231
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 12/36:00 amSTL - PDX
2 stops11h 33mDelta
Mon 12/157:30 pmPDX - STL
2 stops11h 40mDelta
Deal found 10/14$236
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:52 pmSTL - PDX
1 stop20h 39mFrontier
Mon 10/2712:43 pmPDX - STL
1 stop18h 24mFrontier
Deal found 10/12$241
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSTL - PDX
1 stop7h 14mDelta
Tue 12/95:30 amPDX - STL
2 stops11h 40mDelta
Deal found 10/12$242
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/105:24 pmSTL - PDX
1 stop7h 12mUnited Airlines
Thu 11/136:00 amPDX - STL
1 stop8h 27mUnited Airlines
Deal found 10/13$244
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 11/107:00 amSTL - PDX
1 stop7h 38mAlaska Airlines
Mon 11/171:38 pmPDX - STL
1 stop8h 21mAlaska Airlines
Deal found 10/14$248
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amSTL - PDX
1 stop8h 54mDelta
Wed 12/1010:05 amPDX - STL
1 stop7h 05mDelta
Deal found 10/12$249

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 October 14, 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

Wed 12/3

2:38 pm-12:16 am

2 stops11h 38m

Portland

Wed 12/10

7:30 pm-9:10 am

2 stops11h 40m

$236

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 12/1

6:00 am-11:14 am

1 stop7h 14m

Portland

Tue 12/9

5:30 am-7:10 pm

2 stops11h 40m

$242

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 11/10

7:00 am-1:50 pm

1 stop8h 50m

Portland

Mon 11/17

10:28 pm-3:18 pm

1 stop14h 50m

$248

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 3/2

2:55 pm-7:08 pm

1 stop6h 13m

Portland

Tue 3/3

6:00 am-1:52 pm

1 stop5h 52m

$248

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 11/10

7:00 am-12:38 pm

1 stop7h 38m

Portland

Fri 11/14

7:30 am-11:59 pm

1 stop14h 29m

$248

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 2/10

2:50 pm-8:47 pm

1 stop7h 57m

Portland

Fri 2/13

8:40 am-11:56 pm

1 stop13h 16m

$248

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 11/8

5:29 pm-12:46 am

1 stop9h 17m

Portland

Wed 11/12

7:30 am-4:27 pm

1 stop6h 57m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 11/6

5:29 pm-12:26 am

1 stop8h 57m

Portland

Mon 11/10

11:12 pm-10:52 am

1 stop9h 40m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 11/8

6:00 am-12:50 pm

1 stop8h 50m

Portland

Tue 11/11

12:35 am-8:55 am

1 stop6h 20m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 10/31

6:00 am-12:50 pm

1 stop8h 50m

Portland

Mon 11/3

9:58 am-6:45 pm

1 stop6h 47m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 23 results
1
2
3

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 October 10, 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, October is the cheapest month in which you can book a flight from St. Louis to Salem (average of $157). Flying from St. Louis to Salem in March is currently the most expensive (average of $266). 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 October 14, 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. Sunday evenings 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 October 14, 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
11,080 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

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
11,080 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

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
4,238 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

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
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

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
8,976 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

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
11,042 reviews
Alaska Airlines
8.0
Very good
11,080 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

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, Alaska Airlines, and Hawaiian Airlines fly from St. Louis to Salem in about 6h 13m. The time it takes to get you to your destination can typically vary by up to 5h 25m. 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?

    $115 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 Alaska Airlines and United Airlines, with prices starting from $119 and $120, 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, October is the cheapest month in which you can book a flight from St. Louis to Salem (average of $157). Flying from St. Louis to Salem in March is currently the most expensive (average of $266). 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$244FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$208Average$447FlexibilityNo cancel feeOn-time71%
DeltaCheapest$215Average$327FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$418FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$234Average$430FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$248Average$446FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.