How popular is this St. Louis to Oregon flight route?

The Lambert-St Louis to Oregon flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from St. Louis to Oregon?

Airlines like Frontier, Delta, and Alaska Airlines fly from St. Louis to Oregon in about 4h 17m. The time it takes to get you to your destination can typically vary by up to 12h 40m. Airlines will cover a distance of 1702 mi. This flight may include one or multiple stops.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from St. Louis to Oregon for a low price.

In terms of precipitation, rainfall in Oregon 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 Oregon when rainfall is around 0.7 in.

If weather is an important factor for your trip to Oregon, 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).

What are the most popular routes from St. Louis to Oregon?

While some choose either Lambert-St Louis - Bend/Redmond or Lambert-St Louis - Boise Air Term. Gowen Fld, Lambert-St Louis - Portland is the most popular route from St. Louis to Oregon.

What are the cheapest flights from St. Louis to Oregon?

Looking for the cheapest flight from St. Louis to Oregon? While on average our users pay $272, our data indicates the cheapest price to be $134. The most popular route (Lambert-St Louis - Portland), is priced around $244.

What are the most popular airlines that fly from St. Louis to Oregon?

The most popular airlines flying from St. Louis to Oregon are Delta, Southwest and United Airlines. Something to consider prior to booking your flight.

What airport do you fly from for flights from St. Louis to Oregon?

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Oregon. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Can I find deals for flights from St. Louis to Oregon that include hotel bookings?

Yes. In addition to deals on St. Louis to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Oregon?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Oregon.

Can I find deals for business class flights from St. Louis to Oregon?

Yes. Cheapflights offers flight deals from St. Louis to Oregon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$102+ Flights from St. Louis to Oregon

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Cheap flight deals from St. Louis to Oregon

Cheapest flights from St. Louis to Oregon
Explore the most affordable flight options available from St. Louis to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Fri 12/263:30 pmSTL - PDX

1 stop9h 36mAmerican Airlines

Thu 1/13:02 pmPDX - STL

1 stop6h 42mAmerican Airlines

Deal found 12/25

$421

Mon 12/292:18 pmSTL - PDX

1 stop5h 56mDelta

Sat 1/31:45 pmPDX - STL

1 stop5h 49mDelta

Deal found 12/25

$548

Mon 12/298:00 amSTL - PDX

1 stop7h 49mAmerican Airlines

Wed 1/76:00 amPDX - STL

1 stop8h 14mAmerican Airlines

Deal found 12/27

$567

Tue 12/305:02 pmSTL - PDX

1 stop7h 38mUnited Airlines

Thu 1/110:52 pmPDX - STL

1 stop9h 16mUnited Airlines

Deal found 12/26

$593

Fri 12/2612:44 pmSTL - PDX

1 stop11h 55mUnited Airlines

Thu 1/15:00 amPDX - STL

2 stops10h 54mUnited Airlines

Deal found 12/25

$601

Mon 12/292:43 pmSTL - PDX

1 stop8h 11mAmerican Airlines

Tue 12/3012:49 amPDX - STL

1 stop8h 01mAmerican Airlines

Deal found 12/25

$612

Mon 12/296:00 amSTL - PDX

1 stop9h 20mUnited Airlines

Fri 1/27:30 amPDX - STL

2 stops12h 52mUnited Airlines

Deal found 12/26

$616

Mon 12/2910:10 pmSTL - PDX

1 stop17h 14mFrontier

Wed 12/313:59 pmPDX - STL

2 stops28h 34mFrontier

Deal found 12/25

$687

Wed 12/318:15 amSTL - MFR

2 stops14h 57mUnited Airlines

Fri 1/22:06 pmMFR - STL

1 stop6h 24mUnited Airlines

Deal found 12/27

$690

Mon 12/293:30 pmSTL - BOI

1 stop7h 32mAmerican Airlines

Sat 2/72:52 pmBOI - STL

1 stop8h 07mAmerican Airlines

Deal found 12/27

$705

Mon 12/292:45 pmSTL - BOI

1 stop7h 46mUnited Airlines

Sat 1/3110:15 amBOI - STL

2 stops9h 58mUnited Airlines

Deal found 12/27

$710

Wed 12/315:26 pmSTL - MFR

1 stop8h 33mAlaska Airlines

Fri 1/29:03 pmMFR - STL

1 stop17h 23mAlaska Airlines

Deal found 12/27

$726

Best flights from St. Louis to Oregon
Discover carefully curated flight deals from St. Louis to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Wed 3/118:12 pmSTL - PDX

1 stop16h 57mFrontier

Mon 3/169:53 amPDX - STL

2 stops24h 22mFrontier

Deal found 12/27

$227

Sun 3/17:00 amSTL - PDX

1 stop7h 25mDelta

Sat 3/76:00 amPDX - STL

1 stop6h 54mDelta

Deal found 12/26

$249

Sat 5/236:20 pmSTL - PDX

Nonstop4h 17mAlaska Airlines

Wed 5/2711:18 amPDX - STL

Nonstop3h 48mAlaska Airlines

Deal found 12/26

$249

Tue 4/146:05 amSTL - PDX

1 stop8h 07mAmerican Airlines

Tue 4/215:54 amPDX - STL

1 stop8h 17mAmerican Airlines

Deal found 12/26

$249

Sat 1/171:15 pmSTL - BOI

1 stop6h 58mUnited Airlines

Sun 1/182:37 pmBOI - STL

1 stop5h 21mUnited Airlines

Deal found 12/26

$335

Sun 3/17:00 amSTL - PDX

1 stop7h 25mDelta

Thu 3/55:45 amPDX - STL

1 stop5h 47mDelta

Deal found 12/26

$249

Thu 5/76:30 amSTL - PDX

1 stop8h 24mDelta

Tue 5/125:05 pmPDX - STL

1 stop5h 31mDelta

Deal found 12/26

$249

Sat 1/247:43 amSTL - BOI

1 stop7h 39mAmerican Airlines

Sat 1/312:52 pmBOI - STL

1 stop8h 07mAmerican Airlines

Deal found 12/27

$297

Wed 3/113:05 pmSTL - PDX

1 stop8h 07mDelta

Mon 3/165:02 pmPDX - STL

1 stop5h 19mDelta

Deal found 12/27

$249

Mon 4/136:45 pmSTL - PDX

1 stop7h 08mDelta

Mon 4/2711:15 pmPDX - STL

1 stop8h 27mDelta

Deal found 12/26

$249

Sat 1/176:19 pmSTL - EUG

1 stop24h 35mAlaska Airlines

Tue 1/209:00 amEUG - STL

1 stop26h 54mAlaska Airlines

Deal found 12/26

$332

Fri 2/276:40 pmSTL - PDX

1 stop7h 13mDelta

Thu 3/55:45 amPDX - STL

1 stop5h 47mDelta

Deal found 12/26

$249

Tue 3/37:00 amSTL - EUG

1 stop7h 52mAlaska Airlines

Sun 3/85:42 amEUG - STL

1 stop6h 41mAlaska Airlines

Deal found 12/26

$342

Fri 2/276:40 pmSTL - PDX

2 stops15h 51mDelta

Fri 3/65:00 pmPDX - STL

1 stop5h 25mDelta

Deal found 12/26

$252

Sat 1/176:19 pmSTL - EUG

1 stop29h 11mAlaska Airlines

Wed 1/211:36 pmEUG - STL

1 stop22h 18mAlaska Airlines

Deal found 12/25

$342

Sat 1/1711:20 amSTL - EUG

2 stops13h 49mUnited Airlines

Wed 1/216:00 amEUG - STL

2 stops8h 55mUnited Airlines

Deal found 12/25

$415

Sun 1/113:43 pmSTL - BOI

2 stops20h 34mFrontier

Thu 1/152:19 pmBOI - STL

1 stop27h 13mFrontier

Deal found 12/27

$426

Tue 1/203:31 pmSTL - RDM

2 stops9h 16mDelta

Tue 1/2711:35 amRDM - STL

2 stops9h 50mDelta

Deal found 12/26

$256

Sun 1/186:30 amSTL - BOI

1 stop7h 09mUnited Airlines

Thu 1/2210:15 amBOI - STL

2 stops9h 43mUnited Airlines

Deal found 12/25

$416

Tue 1/202:50 pmSTL - RDM

1 stop24h 04mAlaska Airlines

Tue 1/278:45 amRDM - STL

1 stop27h 09mAlaska Airlines

Deal found 12/26

$344

Fri 2/63:31 pmSTL - RDM

2 stops9h 16mDelta

Mon 2/911:35 amRDM - STL

2 stops8h 03mDelta

Deal found 12/26

$256

Tue 1/202:50 pmSTL - MFR

1 stop28h 07mAlaska Airlines

Sat 1/241:22 pmMFR - STL

1 stop22h 32mAlaska Airlines

Deal found 12/25

$354

Tue 1/209:57 amSTL - MFR

2 stops13h 05mUnited Airlines

Sat 1/245:00 amMFR - STL

2 stops9h 03mUnited Airlines

Deal found 12/26

$451

Sat 1/246:40 amSTL - BOI

2 stops10h 37mDelta

Sat 1/311:40 pmBOI - STL

2 stops8h 45mDelta

Deal found 12/27

$256

Wed 3/47:00 amSTL - RDM

1 stop16h 32mAlaska Airlines

Thu 3/129:02 amRDM - STL

1 stop12h 57mAlaska Airlines

Deal found 12/26

$354

Sun 1/1111:55 amSTL - BOI

1 stop8h 30mAmerican Airlines

Thu 1/157:20 amBOI - STL

1 stop7h 54mAmerican Airlines

Deal found 12/27

$547

Tue 1/202:50 pmSTL - RDM

1 stop24h 04mAlaska Airlines

Sat 1/241:34 pmRDM - STL

1 stop22h 20mAlaska Airlines

Deal found 12/25

$354

Thu 3/197:15 amSTL - RDM

2 stops10h 58mDelta

Tue 3/2411:22 amRDM - STL

2 stops10h 59mDelta

Deal found 12/27

$277

Sun 1/182:50 pmSTL - BOI

1 stop9h 11mAlaska Airlines

Thu 1/225:55 pmBOI - STL

1 stop18h 59mAlaska Airlines

Deal found 12/25

$364

Mon 3/22:22 pmSTL - RDM

2 stops10h 23mDelta

Fri 3/611:23 amRDM - STL

2 stops10h 00mDelta

Deal found 12/27

$296

Last-minute flights from St. Louis to Oregon
Discover last-minute flight deals from St. Louis to Oregon. Data last updated December 28, 2025 and is based on user searches.

Sat 1/176:19 pmSTL - PDX

1 stop6h 27mAlaska Airlines

Tue 1/209:30 pmPDX - STL

1 stop14h 24mAlaska Airlines

Deal found 12/25

$325

Sat 1/176:19 pmSTL - EUG

1 stop24h 35mAlaska Airlines

Tue 1/209:00 amEUG - STL

1 stop26h 54mAlaska Airlines

Deal found 12/26

$332

Mon 1/196:30 amSTL - PDX

1 stop7h 27mUnited Airlines

Sat 1/2410:47 amPDX - STL

1 stop6h 40mUnited Airlines

Deal found 12/26

$249

Mon 1/196:10 amSTL - PDX

1 stop8h 36mDelta

Thu 1/221:30 pmPDX - STL

2 stops7h 55mDelta

Deal found 12/27

$272

Mon 1/196:00 amSTL - PDX

1 stop7h 45mAmerican Airlines

Thu 1/2211:59 pmPDX - STL

1 stop6h 52mAmerican Airlines

Deal found 12/26

$293

Tue 1/203:31 pmSTL - RDM

2 stops9h 16mDelta

Tue 1/2711:35 amRDM - STL

2 stops9h 50mDelta

Deal found 12/26

$256

Sat 1/246:35 amSTL - PDX

2 stops14h 15mDelta

Sat 1/311:30 pmPDX - STL

2 stops7h 55mDelta

Deal found 12/26

$256

Sat 1/246:40 amSTL - BOI

2 stops10h 37mDelta

Sat 1/311:40 pmBOI - STL

2 stops8h 45mDelta

Deal found 12/27

$256

Sat 1/247:43 amSTL - BOI

1 stop7h 39mAmerican Airlines

Sat 1/312:52 pmBOI - STL

1 stop8h 07mAmerican Airlines

Deal found 12/27

$297

Thu 1/2910:01 pmSTL - PDX

1 stop13h 48mFrontier

Thu 2/511:28 amPDX - STL

1 stop7h 38mFrontier

Deal found 12/26

$203

Thu 1/2910:01 pmSTL - PDX

2 stops24h 26mMultiple Airlines

Thu 2/511:28 amPDX - STL

1 stop7h 38mMultiple Airlines

Deal found 12/26

$267

Fri 1/306:35 amSTL - PDX

2 stops14h 15mDelta

Mon 2/27:37 pmPDX - STL

2 stops11h 57mDelta

Deal found 12/26

$297

One-way flights from St. Louis to Oregon
Search for one-way flight options from St. Louis to Oregon. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sun 1/259:27 pmSTL - PDX

1 stop15h 51mFrontier

Deal found 12/27

$102

Wed 1/283:46 pmSTL - PDX

2 stops20h 47mFrontier

Deal found 12/26

$113

Wed 6/246:20 pmSTL - PDX

Nonstop4h 10mAlaska Airlines

Deal found 12/26

$115

Thu 2/1210:11 pmSTL - PDX

1 stop22h 32mFrontier

Deal found 12/27

$118

Sat 1/246:10 amSTL - PDX

1 stop8h 36mDelta

Deal found 12/26

$125

Sun 2/89:32 pmSTL - PDX

2 stops24h 55mFrontier

Deal found 12/27

$128

Sat 1/246:00 amSTL - PDX

2 stops14h 55mUnited Airlines

Deal found 12/26

$130

Fri 6/266:20 pmSTL - PDX

Nonstop4h 10mAlaska Airlines

Deal found 12/26

$135

Wed 3/43:49 pmSTL - PDX

2 stops43h 09mFrontier

Deal found 12/27

$138

Tue 6/237:30 pmSTL - PDX

1 stop6h 41mAlaska Airlines

Deal found 12/26

$144

Tue 3/36:35 amSTL - RDM

2 stops12h 07mDelta

Deal found 12/26

$148

Sat 2/77:43 amSTL - MFR

1 stop7h 24mAmerican Airlines

Deal found 12/25

$175

Find flight deals from St. Louis to Oregon

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$203 (Expedia)
One-way from	$102 (Kiwi.com)
Popular in	March
Cheapest in	February
Average price	$403
Good round-trip deal	$283 or less
Good one-way deal	$134 or less

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 Oregon

Search Deals

One-way flight from Lambert-St Louis to Oregon

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($4 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

Price to beat on a round-trip flight from Lambert-St Louis to Oregon.

Search Deals

Price to beat on a one-way flight from Lambert-St Louis to Oregon.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/11

8:12 pm-11:09 am

1 stop16h 57m

Portland

Mon 3/16

9:53 am-12:15 pm

2 stops24h 22m

$227

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 3/1

7:00 am-12:25 pm

1 stop7h 25m

Portland

Sat 3/7

6:00 am-2:54 pm

1 stop6h 54m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 5/23

6:20 pm-8:37 pm

Nonstop4h 17m

Portland

Wed 5/27

11:18 am-5:06 pm

Nonstop3h 48m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 4/14

6:05 am-12:12 pm

1 stop8h 07m

Portland

Tue 4/21

5:54 am-4:11 pm

1 stop8h 17m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sun 3/1

7:00 am-12:25 pm

1 stop7h 25m

Portland

Thu 3/5

5:45 am-1:32 pm

1 stop5h 47m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Thu 5/7

6:30 am-12:54 pm

1 stop8h 24m

Portland

Tue 5/12

5:05 pm-12:36 am

1 stop5h 31m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Wed 3/11

3:05 pm-9:12 pm

1 stop8h 07m

Portland

Mon 3/16

5:02 pm-12:21 am

1 stop5h 19m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 4/13

6:45 pm-11:53 pm

1 stop7h 08m

Portland

Mon 4/27

11:15 pm-9:42 am

1 stop8h 27m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 2/27

6:40 pm-11:53 pm

1 stop7h 13m

Portland

Thu 3/5

5:45 am-1:32 pm

1 stop5h 47m

$249

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 2/27

6:40 pm-8:31 am

2 stops15h 51m

Portland

Fri 3/6

5:00 pm-12:25 am

1 stop5h 25m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 49 results

...

Best time to book a flight from St. Louis to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon 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 Oregon

What is the cheapest month to book a flight from St. Louis to Oregon?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Oregon (average of $150). Flying from St. Louis to Oregon in March is currently the most expensive (average of $257). 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 OR?

Unlike in the morning, when flights are generally more expensive, you can save up to 4% on flights from St. Louis to Oregon by exploring options for tickets at noon.

What is the cheapest day to fly from St. Louis to Oregon?

Travelers seeking maximum savings on their St. Louis to Oregon 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 Oregon

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from St. Louis to Oregon to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Alaska Airlines

8.0

Very good

11,551 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Southwest

8.0

Very good

4,256 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Delta

7.9

Good

8,019 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

United Airlines

7.4

Good

9,113 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

American Airlines

7.2

Good

11,073 reviews

Alaska Airlines

8.0

Very good

11,551 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

What airport do you fly from for flights from St. Louis to Oregon?
Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Oregon. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
How popular is this St. Louis to Oregon flight route?
The Lambert-St Louis to Oregon flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from St. Louis to Oregon?
Airlines like Frontier, Delta, and Alaska Airlines fly from St. Louis to Oregon in about 4h 17m. The time it takes to get you to your destination can typically vary by up to 12h 40m. Airlines will cover a distance of 1702 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from St. Louis to Oregon one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from St. Louis to Oregon for a low price.
What are the most popular routes from St. Louis to Oregon?
While some choose either Lambert-St Louis - Bend/Redmond or Lambert-St Louis - Boise Air Term. Gowen Fld, Lambert-St Louis - Portland is the most popular route from St. Louis to Oregon.
What are the cheapest flights from St. Louis to Oregon?
Looking for the cheapest flight from St. Louis to Oregon? While on average our users pay $272, our data indicates the cheapest price to be $134. The most popular route (Lambert-St Louis - Portland), is priced around $244.
Can I find deals for flights from St. Louis to Oregon that include hotel bookings?
Yes. In addition to deals on St. Louis to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Oregon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Oregon.
Can I find deals for business class flights from St. Louis to Oregon?
Yes. Cheapflights offers flight deals from St. Louis to Oregon 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 Oregon?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Oregon (average of $150). Flying from St. Louis to Oregon in March is currently the most expensive (average of $257). 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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Complete your trip

Oregon car rentals

Portland Airport car rentals

Eugene Airport car rentals

Bend/Redmond Airport car rentals

Medford Airport car rentals

North Bend Airport car rentals

Klamath Falls Kingsley Field Airport car rentals

Top 7 airlines flying from St. Louis to Oregon

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$139	Average$246	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$168	Average$393	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$188	Average$466	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$222	Average$416	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$244	Average$519	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$248	Average$482	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$338	Average$520	FlexibilityNo cancel fee	On-time85%

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$102+ Cheap flights from St. Louis (STL) to Oregon

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from St. Louis to Oregon

Cheapest flights from St. Louis to OregonExplore the most affordable flight options available from St. Louis to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from St. Louis to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from St. Louis to Oregon

Keep the following information in mind while searching for St. Louis to Oregon flight deals. Data was last updated December 28, 2025.

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Best time to book a flight from St. Louis to Oregon

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

Find hourly flight availability from St. Louis to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

What is the cheapest day to fly from St. Louis to Oregon?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Oregon. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Oregon

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from St. Louis to Oregon to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 7 airlines flying from St. Louis to Oregon

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Cheapest flights from St. Louis to Oregon
Explore the most affordable flight options available from St. Louis to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.