$114+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Estes Park with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Estes Park are usually found in January or October, booked 77 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Estes Park
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Cheapest flights from Portland to Estes ParkExplore 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 July 28, 2026.
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 July 28, 2026.
This Super.com deal was found by Cheapflights users on 7/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:34 pm
PDX
- DEN
Nonstop2h 32m
Frontier
Sun 10/252:45 pm
DEN
- PDX
Nonstop2h 50m
Frontier
Deal found 7/27![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 9/2412:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Wed 9/3012:42 pm
DEN
- PDX
1 stop22h 25m
Frontier
Deal found 7/27![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/285:56 pm
PDX
- DEN
1 stop29h 48m
Frontier
Sun 8/303:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 7/23. 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.
Tue 8/185:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/273:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/23![Frontier logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Mon 8/1712:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 8/313:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/23![Frontier logo]()
$194
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/273:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/24![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/271:47 pm
PDX
- DEN
1 stop6h 54m
Frontier
Fri 9/1110:00 am
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 9/1010:44 pm
DEN
- PDX
1 stop12h 23m
Frontier
Deal found 7/26![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/277:00 am
DEN
- PDX
1 stop5h 35m
Frontier
Deal found 7/26![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 9/1012:38 pm
PDX
- DEN
Nonstop2h 40m
Multiple Airlines
Sat 9/128:08 am
DEN
- PDX
Nonstop2h 42m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/1112:39 pm
PDX
- DEN
1 stop20h 28m
Frontier
Fri 9/1810:00 am
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$200
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sun 8/233:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/25![Frontier logo]()
$201
Best flights from Portland to Estes ParkDiscover carefully curated flight deals from Portland to Estes Park that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Portland to Estes Park that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:07 pm
PDX
- DEN
Nonstop2h 38m
United Airlines
Tue 9/157:50 am
DEN
- PDX
Nonstop2h 42m
United Airlines
Deal found 7/25![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:15 pm
PDX
- DEN
1 stop4h 25m
Delta
Sat 10/1712:57 pm
DEN
- PDX
1 stop4h 13m
Delta
Deal found 7/27![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:20 am
PDX
- DEN
2 stops6h 15m
Southwest
Thu 8/275:30 pm
DEN
- PDX
1 stop6h 45m
Southwest
Deal found 7/23![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:30 am
PDX
- DEN
1 stop6h 31m
Alaska Airlines
Sat 10/2412:31 pm
DEN
- PDX
1 stop6h 47m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:49 pm
PDX
- DEN
1 stop5h 06m
Delta
Sun 10/115:20 am
DEN
- PDX
1 stop4h 30m
Delta
Deal found 7/27![Delta logo]()
$257
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:30 am
PDX
- DEN
2 stops6h 55m
Southwest
Mon 10/127:35 am
DEN
- PDX
1 stop6h 00m
Southwest
Deal found 7/25![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am
PDX
- DEN
1 stop5h 00m
Delta
Sun 11/16:10 am
DEN
- PDX
1 stop6h 59m
Delta
Deal found 7/26![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:35 pm
PDX
- DEN
Nonstop2h 30m
Southwest
Mon 8/244:10 pm
DEN
- PDX
2 stops7h 00m
Southwest
Deal found 7/23![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:45 am
PDX
- DEN
1 stop5h 02m
Delta
Sat 8/296:28 pm
DEN
- PDX
1 stop5h 10m
Delta
Deal found 7/27![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:45 am
PDX
- DEN
1 stop4h 50m
Southwest
Thu 10/154:10 pm
DEN
- PDX
2 stops7h 55m
Southwest
Deal found 7/23![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 am
PDX
- DEN
2 stops7h 55m
Southwest
Sat 8/221:35 pm
DEN
- PDX
2 stops7h 25m
Southwest
Deal found 7/23![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:40 pm
PDX
- DEN
2 stops6h 25m
Southwest
Wed 8/199:05 am
DEN
- PDX
2 stops8h 05m
Southwest
Deal found 7/27![Southwest logo]()
$347
Last-minute flights from Portland to Estes ParkDiscover last-minute flight deals from Portland to Estes Park. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Estes Park. Data last updated July 28, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/23. 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.
Wed 8/125:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Wed 8/263:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/23![Frontier logo]()
$203
This Super.com deal was found by Cheapflights users on 7/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/203:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/23![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Mon 8/1712:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 8/313:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/23![Frontier logo]()
$194
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Tue 8/185:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sun 8/233:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 7/23. 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.
Tue 8/185:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Fri 8/213:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/23![Frontier logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Thu 8/2012:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/273:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$206
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Sun 8/233:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/25![Frontier logo]()
$201
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/273:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/24![Frontier logo]()
$195
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Thu 8/277:00 am
DEN
- PDX
1 stop5h 35m
Frontier
Deal found 7/26![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 8/271:47 pm
PDX
- DEN
1 stop6h 54m
Frontier
Sun 9/63:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/285:56 pm
PDX
- DEN
1 stop29h 48m
Frontier
Sun 8/303:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/307:18 am
PDX
- DEN
Nonstop2h 49m
Multiple Airlines
Fri 9/1110:00 am
DEN
- PDX
Nonstop2h 43m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$202
One-way flights from Portland to Estes ParkSearch for one-way flight options from Portland to Estes Park. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Portland to Estes Park. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:43 pm
PDX
- DEN
1 stop6h 59m
United Airlines
Deal found 7/27![United Airlines logo]()
$114
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/25![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/285:56 pm
PDX
- DEN
1 stop29h 48m
Frontier
Deal found 7/27![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 7/26![Frontier logo]()
$117
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:17 pm
PDX
- DEN
1 stop13h 48m
Frontier
Deal found 7/25![Frontier logo]()
$118
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:18 am
PDX
- DEN
Nonstop2h 49m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:17 pm
PDX
- DEN
1 stop26h 24m
Frontier
Deal found 7/26![Frontier logo]()
$120
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:30 pm
PDX
- DEN
1 stop29h 55m
Frontier
Deal found 7/24![Frontier logo]()
$123
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:50 am
PDX
- DEN
2 stops6h 55m
Southwest
Deal found 7/27![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Mon 8/175:49 pm
PDX
- DEN
1 stop8h 59m
Frontier
Deal found 7/23![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Thu 10/299:03 pm
PDX
- DEN
1 stop20h 37m
Frontier
Deal found 7/27![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/26![Frontier logo]()
$127
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Super.com) |
One-way from | $114 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $289 |
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 July 28, 2026.
Use the filters below to find and compare flights from Portland to Estes Park that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 9/12
4:07 pm-7:45 pm
Nonstop2h 38m
Denver Intl
Tue 9/15
7:50 am-9:32 am
Nonstop2h 42m
$217
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 10/14
5:15 pm-10:40 pm
1 stop4h 25m
Denver Intl
Sat 10/17
12:57 pm-4:10 pm
1 stop4h 13m
$237
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 8/22
11:20 am-6:35 pm
2 stops6h 15m
Denver Intl
Thu 8/27
5:30 pm-11:15 pm
1 stop6h 45m
$252
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 10/9
5:49 pm-11:55 pm
1 stop5h 06m
Denver Intl
Sun 10/11
5:20 am-8:50 am
1 stop4h 30m
$257
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 10/29
7:00 am-1:00 pm
1 stop5h 00m
Denver Intl
Sun 11/1
6:10 am-12:09 pm
1 stop6h 59m
$257
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 10/8
5:30 am-1:25 pm
2 stops6h 55m
Denver Intl
Mon 10/12
7:35 am-12:35 pm
1 stop6h 00m
$262
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 8/22
5:45 am-11:47 am
1 stop5h 02m
Denver Intl
Sat 8/29
6:28 pm-10:38 pm
1 stop5h 10m
$262
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 10/20
10:30 am-6:01 pm
1 stop6h 31m
Denver Intl
Sat 10/24
12:31 pm-6:18 pm
1 stop6h 47m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 8/13
7:35 pm-11:05 pm
Nonstop2h 30m
Denver Intl
Mon 8/24
4:10 pm-10:10 pm
2 stops7h 00m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 10/13
5:45 am-11:35 am
1 stop4h 50m
Denver Intl
Thu 10/15
4:10 pm-11:05 pm
2 stops7h 55m
$268
Showing 1-10 of 23 resultsSorted by cheapest first
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.
PDX-DEN
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
PDX-ES9
PDX-DEN
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 July 28, 2026.
It’s optimal to fly from Portland to Estes Park in the afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.
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 July 28, 2026.
The most flights from PDX to ES9 are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Portland to Estes Park?
Airfare is typical for this route at the moment.
Portland to Estes Park flights typically cost between $161 and $289 in October.The cheapest round-trip price found within the last 5 days was $190 on Frontier (Oct 22-Oct 25).
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 July 25, 2026.
Travelers seeking maximum savings on their Portland to Estes Park flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 28, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andHawaiian 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.
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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.
Complete your trip
Complete your trip to Estes Park by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Estes Park by cabin class
Find flights from Portland to Estes Park, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Estes Park flights
Browse other Portland and Estes Park flight options. Last updated on July 28, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on July 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Estes Park flights
Consider these flights traveling from Portland to Estes Park.
Top 7 airlines flying from Portland to Estes Park
Discover the top 7 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$126 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$273 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$292 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$412 | FlexibilityNo cancel fee | On-time69% |