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Estes Park

$69+ Cheap flights from Portland (PDX) to Estes Park, CO

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Estes Park are usually found in September or October, booked 30 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from Portland to Estes Park

Keep the following information in mind while searching for Portland to Estes Park flight deals. Data was last updated August 14, 2025.

Round-trip from

$98
(Frontier)

One-way from

$69
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$178
From Portland to Estes Park
Search Deals
One-way flight from Portland to Estes Park
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Portland to Estes Park

Cheapest flights from Portland to Estes Park
Explore the most affordable flight options available from Portland to Estes Park. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:05 amPDX - DEN
Nonstop2h 39mFrontier
Mon 9/1510:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 8/13$99
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:15 amPDX - DEN
Nonstop2h 43mFrontier
Wed 9/248:50 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 8/12$100
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:15 amPDX - DEN
Nonstop2h 43mFrontier
Tue 9/238:50 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 8/12$101
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:05 amPDX - DEN
Nonstop2h 39mFrontier
Sun 9/710:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 8/13$102
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:43 pmPDX - DEN
Nonstop2h 43mFrontier
Fri 10/179:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 8/12$104
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:05 amPDX - DEN
Nonstop2h 39mFrontier
Sun 9/1410:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 8/12$106
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:44 pmPDX - DEN
Nonstop2h 43mFrontier
Sun 10/129:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 8/12$107
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:15 amPDX - DEN
Nonstop2h 43mFrontier
Wed 9/108:50 pmDEN - PDX
Nonstop2h 44mFrontier
Deal found 8/12$108
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:43 pmPDX - DEN
Nonstop2h 43mFrontier
Fri 10/179:58 amDEN - PDX
Nonstop2h 50mFrontier
Deal found 8/12$109
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:05 amPDX - DEN
Nonstop2h 39mFrontier
Sun 9/76:00 amDEN - PDX
1 stop5h 33mFrontier
Deal found 8/14$110
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:05 amPDX - DEN
Nonstop2h 39mFrontier
Mon 9/1510:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 8/12$111
This Justfly.com deal was found by Cheapflights users on 8/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:05 amPDX - DEN
Nonstop2h 39mFrontier
Mon 9/2210:29 pmDEN - PDX
Nonstop2h 43mFrontier
Deal found 8/14$113

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Estes Park 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 August 14, 2025.
Use the filters below to find and compare flights from Portland to Estes Park that are best for you.

Fly from

Portland

Fly to

Estes Park

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 9/12

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Mon 9/15

10:29 pm-12:12 am

Nonstop2h 43m

$99

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 9/17

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Sat 9/20

8:50 pm-10:34 pm

Nonstop2h 44m

$100

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 9/2

6:51 am-10:30 am

Nonstop2h 39m

Denver Intl

Tue 9/9

8:50 pm-10:34 pm

Nonstop2h 44m

$100

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 9/3

6:51 am-10:30 am

Nonstop2h 39m

Denver Intl

Tue 9/16

8:50 pm-10:34 pm

Nonstop2h 44m

$100

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/13

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Sat 9/13

8:50 pm-10:34 pm

Nonstop2h 44m

$100

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/20

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Tue 9/23

8:50 pm-10:34 pm

Nonstop2h 44m

$100

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 10/11

12:43 pm-4:26 pm

Nonstop2h 43m

Denver Intl

Wed 10/15

9:58 am-11:48 am

Nonstop2h 50m

$100

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 10/4

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Sun 10/12

9:58 am-11:48 am

Nonstop2h 50m

$102

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 9/5

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Sun 9/7

10:29 pm-12:12 am

Nonstop2h 43m

$102

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 10/11

12:43 pm-4:26 pm

Nonstop2h 43m

Denver Intl

Mon 10/13

9:58 am-11:48 am

Nonstop2h 50m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 17 results
1
2

Best time to book a flight from Portland to Estes Park

Have a flexible travel schedule? Discover the best time to fly to Estes Park 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Estes Park

How far ahead should I book a flight from Portland to Estes Park?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Estes Park. Price data was last updated on August 8, 2025.

The price you pay for your flight from Portland to Estes Park may vary depending on when you book. For the best chance of a lower fare, look to book 30 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Estes Park?

Currently, October is the cheapest month in which you can book a flight from Portland to Estes Park (average of $197). Flying from Portland to Estes Park in March is currently the most expensive (average of $278). 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 PDX to ES9?

Find hourly flight availability from Portland to Estes Park. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Estes Park as you normally would.

What is the cheapest day to fly from Portland to Estes Park?

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

Travelers seeking maximum savings on their Portland to Estes Park flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Estes Park

Explore weekly flight availability from Portland to Estes Park. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from PDX to ES9 are scheduled on a Thursday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Estes Park

Get insights into the airlines that provide service to Estes Park. 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 Estes Park. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from Portland to Estes Park by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,656 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Frontier
5.8
Fair
3,217 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Portland to Estes Park. 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 Portland to Estes Park?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Estes Park. 6 airlines have flights from Portland to Estes Park on a regular basis. Booking flights from Portland to Estes Park should not be difficult; the airport handles an average of 14 outbound flights to Estes Park per day.

  • How popular is this Portland to Estes Park flight route?

    Flights from Portland to Estes Park have been viewed 211 times in the past calendar month.

  • What are the most reliable airlines from Portland to Estes Park?

    Consider Lufthansa (84%), United Airlines (82%) or SWISS (81%) when booking your flight. These represent the most reliable airlines when flying from Portland to Estes Park.

  • What are the cheapest flights from Portland to Estes Park?

    The cheapest flight price from Portland to Estes Park is $83. On average you can expect to pay $769. The most popular route, (Portland - Denver Intl), can usually be booked for $54.

  • Can I find deals for flights from Portland to Estes Park that include hotel bookings?

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

  • How can I find direct flights from Portland to Estes Park?

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

  • Can I find deals for business class flights from Portland to Estes Park?

    Yes. Cheapflights offers flight deals from Portland to Estes Park 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 Portland to Estes Park?

    Currently, October is the cheapest month in which you can book a flight from Portland to Estes Park (average of $197). Flying from Portland to Estes Park in March is currently the most expensive (average of $278). 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

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Alternative routes for Portland to Estes Park

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 Estes Park

Discover the top 6 airlines that operate flights from Portland to Estes Park. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$136FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$94Average$235FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$157Average$245FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$157Average$402FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$164Average$262FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$275FlexibilityNo cancel feeOn-timeN/A

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