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Salem

Cheap flights from St. Louis (STL) to Salem, OR

STL — PDX
Oct 30 — Nov 61
Fri 10/30
Fri 11/6
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Salem are usually found in January or April, booked 90 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Find flight deals from St. Louis to Salem

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

January

Average price

$337
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.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from St. Louis to Salem

What is the cheapest time of day to fly from STL to SA8?

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 45% versus a flight at noon.

Reviews of airlines servicing Salem

See what other customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Southwest
8.0
Very good
4,202 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,202 reviews
Southwest
8.0
Very good
4,202 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Alaska Airlines
7.9
Good
12,992 reviews
Southwest
8.0
Very good
4,202 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Delta
7.8
Good
8,609 reviews
Southwest
8.0
Very good
4,202 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
United Airlines
7.4
Good
10,258 reviews
Southwest
8.0
Very good
4,202 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,096 reviews
Southwest
8.0
Very good
4,202 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • 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, 6 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?

    $97 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 United Airlines, with prices starting from $105 and $124, respectively.

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

    While on average a flight from St. Louis to Salem is generally $468, our data shows the cheapest flight currently is $300. When looking at the most popular route, (Lambert-St Louis - Portland), you can expect to pay $384 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from St. Louis to Salem

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$261FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$188Average$320FlexibilityNo cancel feeOn-time71%
DeltaCheapest$209Average$354FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$246Average$471FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$248Average$483FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$249Average$401FlexibilityNo cancel feeOn-time75%

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