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Estes Park

$72+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Estes Park are usually found in August or January, booked 29 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 January 29, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 3/1312:04 pm
PDX
-
DEN
Nonstop2h 37m
Frontier
Tue 3/1710:40 pm
DEN
-
PDX
1 stop11h 18m
Frontier
Deal found 1/27$122
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 5/811:48 am
PDX
-
DEN
Nonstop2h 38m
Frontier
Sun 5/109:10 am
DEN
-
PDX
Nonstop2h 53m
Frontier
Deal found 1/28$123
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/107:05 am
PDX
-
DEN
Nonstop2h 37m
Multiple Airlines
Sun 3/159:10 am
DEN
-
PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/28$124
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 3/612:04 pm
PDX
-
DEN
Nonstop2h 37m
Frontier
Sun 3/810:29 pm
DEN
-
PDX
1 stop14h 23m
Frontier
Deal found 1/27$127
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 3/129:53 am
PDX
-
DEN
1 stop13h 37m
Frontier
Mon 3/169:10 am
DEN
-
PDX
Nonstop2h 59m
Frontier
Deal found 1/28$128
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/117:05 am
PDX
-
DEN
Nonstop2h 37m
Multiple Airlines
Sun 3/159:10 am
DEN
-
PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/27$129
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 3/143:52 pm
PDX
-
DEN
1 stop7h 07m
Multiple Airlines
Sun 3/159:10 am
DEN
-
PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/28$130
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 5/111:48 am
PDX
-
DEN
Nonstop2h 38m
Frontier
Sun 5/39:10 am
DEN
-
PDX
Nonstop2h 53m
Frontier
Deal found 1/27$132
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:52 pm
PDX
-
DEN
1 stop7h 07m
Multiple Airlines
Sun 3/159:10 am
DEN
-
PDX
Nonstop2h 59m
Multiple Airlines
Deal found 1/27$133
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 3/612:04 pm
PDX
-
DEN
Nonstop2h 37m
Frontier
Wed 3/114:41 pm
DEN
-
PDX
2 stops17h 17m
Frontier
Deal found 1/28$134
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/257:05 am
PDX
-
DEN
Nonstop2h 37m
Alaska Airlines
Tue 3/311:38 am
DEN
-
PDX
Nonstop3h 00m
Alaska Airlines
Deal found 1/26$137

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$122
(Cheapflightsfares)

One-way from

$72
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$180
Provider with most accurate pricing for Portland-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Denver Intl flights.
Search Deals
From Portland to Estes Park
Search Deals
One-way flight from Portland to Estes Park
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Wed 2/18

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Tue 2/24

11:38 am-1:38 pm

Nonstop3h 00m

$137

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 2/27

6:57 pm-10:30 pm

Nonstop2h 33m

Denver Intl

Sat 3/7

8:00 am-9:54 am

Nonstop2h 54m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 2/24

1:36 pm-9:23 pm

1 stop6h 47m

Denver Intl

Wed 3/4

11:38 am-1:38 pm

Nonstop3h 00m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 3/11

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Thu 3/19

6:03 pm-7:52 pm

Nonstop2h 49m

$147

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 3/11

5:36 pm-11:29 pm

1 stop4h 53m

Denver Intl

Wed 3/18

6:15 pm-11:54 pm

1 stop6h 39m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 2/19

5:05 am-8:38 am

Nonstop2h 33m

Denver Intl

Mon 2/23

7:48 am-9:42 am

Nonstop2h 54m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 2/21

5:45 am-12:00 pm

1 stop5h 15m

Denver Intl

Tue 2/24

6:50 pm-12:15 am

1 stop6h 25m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Mon 2/23

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Thu 3/5

11:38 am-1:38 pm

Nonstop3h 00m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 2/17

2:31 pm-11:59 pm

1 stop8h 28m

Denver Intl

Thu 2/19

11:38 am-1:38 pm

Nonstop3h 00m

$157

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 3/11

5:36 pm-11:29 pm

1 stop4h 53m

Denver Intl

Thu 3/19

5:34 am-9:04 am

1 stop4h 30m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 22 results
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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 January 23, 2026.

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 29 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, February is the cheapest month in which you can book a flight from Portland to Estes Park (average of $46). Flying from Portland to Estes Park in July is currently the most expensive (average of $98). 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 January 29, 2026.

It’s optimal to fly from Portland to Estes Park in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

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 January 24, 2026.

Travelers seeking maximum savings on their Portland to Estes Park flight should consider departing on Saturday 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.

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 January 29, 2026.

The most flights from PDX to ES9 are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 January 29, 2026.
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
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 9 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 214 times in the past calendar month.

  • How long is the flight from Portland to Estes Park?

    Alaska Airlines and United Airlines can get you from Portland to Estes Park in just under 2h 33m. Your travel time will be generally consistent. The distance from Portland to Estes Park is about 989 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Portland to Estes Park one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $34. Users have also found prices from $69 and $74 on Alaska Airlines and Delta, respectively.

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

    Consider United Airlines (93%), Lufthansa (90%) or Hawaiian Airlines (84%) 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 $78. On average you can expect to pay $866. The most popular route, (Portland - Denver Intl), can usually be booked for $97.

  • 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, February is the cheapest month in which you can book a flight from Portland to Estes Park (average of $46). Flying from Portland to Estes Park in July is currently the most expensive (average of $98). 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 Estes Park

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$148FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$236FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$88Average$200FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$138Average$412FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$147Average$260FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$153Average$259FlexibilityNo cancel feeOn-time63%

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