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$79+ Cheap flights from Portland to St. Louis (PDX - STL)

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STL
lug 31 — ago 71
From?
To?
mer 7/31
mer 8/7
1 adult, Economy
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The best prices from Portland to Lambert-St Louis are usually found in June or January, booked 64 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Portland to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated luglio 26, 2024.

Popular in

December

Cheapest in

June

Round-trip from

$135
(mytrip.com)

One-way from

$79
(mytrip.com)
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 12% potential price drop
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From Portland to Lambert-St Louis
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One-way flight from Portland to Lambert-St Louis
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What is the cheapest day to fly round-trip from Portland to St. Louis?

Travelers have found that booking a Monday departure is the best way to save up to 22% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Portland to St. Louis?

To save on the cost of your flight from Portland to St. Louis, book at least 31 days before your planned departure. Booking around this time can save you about 96% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $440 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $455.

What is the cheapest month to fly from Portland to St. Louis?

June can be a great time to fly to St. Louis from Portland with a flight ticket averaging about $419. Cheapflights users have found deals in the month of June for as cheap as $176. The most expensive prices can be found in the month of December.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Portland to St. Louis by exploring options for tickets in the evening.

Cheap Portland to St. Louis flights in July & August 2024

Find cheap flight options from Portland to St. Louis specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on luglio 26, 2024.
Scroll through some of the best deals on flights from Portland to St. Louis in 2024. Check back regularly for other flight deals.
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/151:20 pmPDX - STL
1 stop6h 52mMultiple Airlines
mer 8/211:48 pmSTL - PDX
1 stop12h 47mMultiple Airlines
Deal found 7/25$135
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 8/1412:49 amPDX - STL
1 stop15h 59mMultiple Airlines
mer 8/211:48 pmSTL - PDX
1 stop12h 47mMultiple Airlines
Deal found 7/25$141
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/2312:49 amPDX - STL
1 stop15h 59mFrontier
sab 8/317:48 pmSTL - PDX
1 stop25h 50mFrontier
Deal found 7/25$146
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/1812:49 amPDX - STL
1 stop17h 35mFrontier
lun 8/269:24 pmSTL - PDX
1 stop28h 25mFrontier
Deal found 7/25$147
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 8/129:49 pmPDX - STL
1 stop20h 47mFrontier
sab 8/177:48 pmSTL - PDX
1 stop6h 02mFrontier
Deal found 7/24$152
This CheapOair deal was found by Cheapflights users on 7/25. 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.
mer 8/2112:49 amPDX - STL
1 stop15h 59mFrontier
lun 8/269:24 pmSTL - PDX
1 stop28h 25mFrontier
Deal found 7/25$158
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/221:20 pmPDX - STL
1 stop6h 52mFrontier
dom 8/2511:12 pmSTL - PDX
1 stop12h 51mFrontier
Deal found 7/25$164
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 8/2812:49 amPDX - STL
1 stop15h 59mFrontier
dom 9/17:48 pmSTL - PDX
1 stop6h 11mFrontier
Deal found 7/24$166
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/154:10 pmPDX - STL
2 stops18h 48mSpirit Airlines
mer 8/211:48 pmSTL - PDX
1 stop12h 47mSpirit Airlines
Deal found 7/25$169

Portland to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Portland and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated luglio 26, 2024.
Scroll through some of the best deals on flights from Portland to St. Louis in 2024. Check back regularly for other flight deals.
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/151:20 pmPDX - STL
1 stop6h 52mMultiple Airlines
mer 8/211:48 pmSTL - PDX
1 stop12h 47mMultiple Airlines
Deal found 7/25$135
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 9/146:05 amPDX - STL
1 stop15h 28mFrontier
mar 9/175:30 pmSTL - PDX
1 stop8h 39mFrontier
Deal found 7/25$139
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 8/1412:49 amPDX - STL
1 stop15h 59mMultiple Airlines
mer 8/211:48 pmSTL - PDX
1 stop12h 47mMultiple Airlines
Deal found 7/25$141
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/2312:49 amPDX - STL
1 stop15h 59mFrontier
sab 8/317:48 pmSTL - PDX
1 stop25h 50mFrontier
Deal found 7/25$146
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/1812:49 amPDX - STL
1 stop17h 35mFrontier
lun 8/269:24 pmSTL - PDX
1 stop28h 25mFrontier
Deal found 7/25$147
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 9/76:05 amPDX - STL
1 stop15h 28mFrontier
sab 9/145:20 pmSTL - PDX
1 stop18h 10mFrontier
Deal found 7/25$148
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 8/129:49 pmPDX - STL
1 stop20h 47mFrontier
sab 8/177:48 pmSTL - PDX
1 stop6h 02mFrontier
Deal found 7/24$152
This deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 9/77:40 pmPDX - STL
2 stops12h 27mUnited Airlines
sab 9/141:39 pmSTL - PDX
2 stops12h 55mUnited Airlines
Deal found 7/25$154
This CheapOair deal was found by Cheapflights users on 7/25. 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.
mer 8/2112:49 amPDX - STL
1 stop15h 59mFrontier
lun 8/269:24 pmSTL - PDX
1 stop28h 25mFrontier
Deal found 7/25$158

Portland to St. Louis flights leaving soon

Find last-minute flight options from Portland to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated luglio 26, 2024.
Have a look at some of the last-minute flights available departing from Portland to St. Louis. To prevent any unwanted surprises, users should verify their flight info before booking.
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 8/310:27 pmPDX - STL
1 stop21h 04mFrontier
dom 8/1110:46 pmSTL - PDX
1 stop24h 13mFrontier
Deal found 7/25$203
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/412:49 amPDX - STL
1 stop6h 36mFrontier
ven 8/910:32 pmSTL - PDX
1 stop24h 53mFrontier
Deal found 7/25$229
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 7/3112:49 amPDX - STL
1 stop17h 08mFrontier
gio 8/89:44 pmSTL - PDX
1 stop12h 35mFrontier
Deal found 7/25$240
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/112:56 amPDX - STL
1 stop6h 29mFrontier
gio 8/811:00 pmSTL - PDX
1 stop9h 49mFrontier
Deal found 7/25$250
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/212:49 amPDX - STL
1 stop6h 36mFrontier
dom 8/1110:46 pmSTL - PDX
1 stop24h 13mFrontier
Deal found 7/25$254
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/25:15 amPDX - STL
1 stop7h 51mSpirit Airlines
lun 8/54:02 pmSTL - PDX
1 stop24h 52mSpirit Airlines
Deal found 7/25$256
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/112:56 amPDX - STL
1 stop6h 29mFrontier
ven 8/910:32 pmSTL - PDX
1 stop24h 53mFrontier
Deal found 7/25$268
This CheapOair deal was found by Cheapflights users on 7/25. 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.
gio 8/112:56 amPDX - STL
1 stop6h 29mMultiple Airlines
lun 8/54:02 pmSTL - PDX
1 stop24h 52mMultiple Airlines
Deal found 7/25$273
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 7/3011:43 amPDX - STL
1 stop7h 48mFrontier
gio 8/18:57 pmSTL - PDX
1 stop11h 52mFrontier
Deal found 7/25$274

One-way flights to St. Louis from Portland

Search for one-way flight options from Portland to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated luglio 26, 2024.
Take a look at some of the best available options we've come across on one-way flights from Portland to St. Louis. Users needing a return flight from Portland to St. Louis should utilize the search form above.
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/1612:49 amPDX - STL
1 stop15h 59mFrontier
Deal found 7/25$79
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 9/710:57 amPDX - STL
1 stop10h 36mFrontier
Deal found 7/25$80
This Booking.com deal was found by Cheapflights users on 7/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 8/2612:49 amPDX - STL
1 stop15h 59mFrontier
Deal found 7/25$85
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 8/181:20 pmPDX - STL
1 stop6h 52mFrontier
Deal found 7/25$87
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/2912:56 amPDX - STL
1 stop15h 52mFrontier
Deal found 7/25$93
This CheapOair deal was found by Cheapflights users on 7/25. 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.
mar 8/611:30 amPDX - STL
1 stop25h 36mSpirit Airlines
Deal found 7/25$94
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/2212:56 amPDX - STL
1 stop15h 52mFrontier
Deal found 7/25$97
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/1512:56 amPDX - STL
1 stop15h 52mFrontier
Deal found 7/25$98
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/1512:56 amPDX - STL
1 stop15h 52mFrontier
Deal found 7/25$100

Find flights from Portland to St. Louis within your budget

Customize your flight search to find flights from Portland to St. Louis 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 2,752,877 searches. Data last updated luglio 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$135 - $272

Route

Depart

Return

Price

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

gio 8/15

1 stop6h 52m

Lambert-St Louis

mer 8/21

1 stop12h 47m

$135

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

sab 9/14

1 stop15h 28m

Lambert-St Louis

mar 9/17

1 stop8h 39m

$139

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

mer 8/14

1 stop15h 59m

Lambert-St Louis

mer 8/21

1 stop12h 47m

$141

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

ven 8/23

1 stop15h 59m

Lambert-St Louis

sab 8/31

1 stop25h 50m

$146

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

dom 8/18

1 stop17h 35m

Lambert-St Louis

lun 8/26

1 stop28h 25m

$147

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

sab 9/7

2 stops12h 27m

Lambert-St Louis

sab 9/14

2 stops12h 55m

$154

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

gio 8/15

2 stops18h 48m

Lambert-St Louis

mer 8/21

1 stop12h 47m

$169

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

gio 11/7

1 stop8h 14m

Lambert-St Louis

dom 11/10

1 stop7h 25m

$216

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

ven 8/23

1 stop5h 34m

Lambert-St Louis

lun 8/26

1 stop7h 05m

$272

Flights are sorted by cheapest first

Deals found on 7/25

How far ahead should I book a flight from Portland to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Portland to St. Louis. Price data was last updated on July 23, 2024.
The best time to book flights from Portland to St. Louis is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Portland to St. Louis. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to St. Louis flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Portland to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Portland 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.

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated luglio 26, 2024.
Read through reviews of airlines operating flights from Portland to St. Louis, such as United Airlines, Spirit Airlines and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Spirit Airlines
6.4
Okay
8,407 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.2

Food

7.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Related info for your journey

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

  • Can I find flights from Portland to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Portland to St. Louis for under $200. The cheapest flight booked recently is on Multiple Airlines for just $135, but on average you can expect to pay $161.

  • Are there last-minute flights available from Portland to St. Louis for under $300?

    There are currently 20+ open flights from Portland to St. Louis within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Portland to St. Louis round-trip?

    Currently priced at $139, Frontier will fly you from Portland to St. Louis and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Spirit Airlines - these airlines can fly you to your destination from $154 and $169, respectively. Users have found that Frontier is 66% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $79. Spirit Airlines flights start at $94 while deals on Alaska Airlines start at $108 one-way.

  • What does PDX to STL mean?

    PDX stands for Portland Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Where are the most common layover locations when flying from Portland to St. Louis?

    Portland to St. Louis flights have a layover in Denver most of the time.

  • What are some popular things to do or see while on a layover in Denver?

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Coors Field, 16th Street Mall, and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Travelers can rent a car at Denver Intl for an average daily rate of $83 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Portland to St. Louis flights?

    Of the flights from Portland to St. Louis that have layovers, the fewest flights stop in Salt Lake City.

  • Can I find deals for flights from Portland to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Portland to St. Louis that allow pets onboard?

    Many airlines flying from Portland to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to St. Louis?

    Yes, you can often find last-minute deals on Portland to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to St. Louis flight deals updated?

    The Portland to St. Louis flight deals you see on this page were last updated on 7/25.

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

    Before booking your flight from Portland to St. Louis check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

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

    Currently, September is the cheapest month in which you can book a flight from Portland to St. Louis (average of $312). Flying from Portland to St. Louis in March is currently the most expensive (average of $357). 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.

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Alternative routes for Portland to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Portland to St. Louis

Discover the top 6 airlines that operate flights from Portland to St. Louis. 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 2,752,877 searches. Data last updated luglio 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$205FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$222FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$441FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$426FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$281Average$451FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$516FlexibilityNo cancel feeOn-time69%
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Search flights from Portland to St. Louis by cabin class

Find flights from Portland to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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