$109+ Cheap flights from Oakland, CA to Denver (OAK - DEN)
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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — DEN
May 9 — May 161
Round-trip
1 adult, Economy
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Find cheap flights from Oakland to Denver 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 Oakland to Denver Intl are usually found in January or October, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Thursday
Cheap flight deals from Oakland to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Oakland to DenverExplore the most affordable flight options available from Oakland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
Explore the most affordable flight options available from Oakland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
This Southwest deal was found by Cheapflights users on 4/4. 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.
Wed 5/67:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Wed 5/138:55 am
DEN
- OAK
1 stop5h 10m
Southwest
Deal found 4/4![Southwest logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/63:18 pm
OAK
- DEN
1 stop7h 41m
Alaska Airlines
Tue 5/121:02 pm
DEN
- OAK
1 stop6h 37m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/610:57 am
OAK
- DEN
1 stop12h 02m
Alaska Airlines
Sat 5/91:02 pm
DEN
- OAK
1 stop6h 13m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/206:02 am
OAK
- DEN
1 stop16h 47m
Alaska Airlines
Sat 5/237:51 pm
DEN
- OAK
1 stop4h 59m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 4/5. 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 5/57:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Thu 5/77:10 am
DEN
- OAK
1 stop4h 25m
Southwest
Deal found 4/5![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 4/4. 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 5/25:10 pm
OAK
- DEN
1 stop4h 55m
Southwest
Sat 5/910:30 am
DEN
- OAK
1 stop4h 35m
Southwest
Deal found 4/4![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 4/7. 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 5/95:10 pm
OAK
- DEN
1 stop4h 55m
Southwest
Tue 5/126:30 am
DEN
- OAK
1 stop4h 35m
Southwest
Deal found 4/7![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 4/5. 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 5/75:05 pm
OAK
- DEN
1 stop4h 35m
Delta
Tue 5/126:19 pm
DEN
- OAK
1 stop6h 38m
Delta
Deal found 4/5![Delta logo]()
$257
Best flights from Oakland to DenverDiscover carefully curated flight deals from Oakland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
Discover carefully curated flight deals from Oakland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
This Southwest deal was found by Cheapflights users on 4/8. 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.
Wed 5/1311:20 am
OAK
- DEN
2 stops6h 00m
Southwest
Sat 5/165:45 am
DEN
- OAK
1 stop5h 15m
Southwest
Deal found 4/8![Southwest logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 6/32:58 pm
OAK
- DEN
1 stop7h 51m
Alaska Airlines
Fri 6/56:40 am
DEN
- OAK
1 stop28h 05m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 4/6. 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 5/78:55 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Sun 5/1010:30 am
DEN
- OAK
1 stop4h 20m
Southwest
Deal found 4/6![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 6/66:02 am
OAK
- DEN
1 stop16h 35m
Alaska Airlines
Sat 6/206:00 am
DEN
- OAK
1 stop4h 57m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 4/4. 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 6/278:00 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Mon 6/2910:10 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 4/4![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 6/168:15 pm
OAK
- DEN
1 stop13h 18m
Alaska Airlines
Mon 7/136:00 am
DEN
- OAK
1 stop4h 57m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 4/4. 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.
Wed 7/82:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Mon 7/1310:10 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 4/4![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 7/112:50 pm
OAK
- DEN
1 stop7h 40m
Alaska Airlines
Wed 7/156:00 am
DEN
- OAK
1 stop4h 57m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 4/4. 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 6/45:05 am
OAK
- DEN
1 stop5h 20m
Southwest
Sat 6/67:30 pm
DEN
- OAK
Nonstop2h 35m
Southwest
Deal found 4/4![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 4/4. 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 6/87:40 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Thu 6/117:00 pm
DEN
- OAK
1 stop5h 10m
Southwest
Deal found 4/4![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 4/4. 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.
Wed 5/1311:20 am
OAK
- DEN
2 stops6h 00m
Southwest
Mon 5/184:25 pm
DEN
- OAK
1 stop4h 40m
Southwest
Deal found 4/4![Southwest logo]()
$333
Last-minute flights from Oakland to DenverDiscover last-minute flight deals from Oakland to Denver. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Denver. Data last updated April 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/4. 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 5/25:10 pm
OAK
- DEN
1 stop4h 55m
Southwest
Sat 5/910:30 am
DEN
- OAK
1 stop4h 35m
Southwest
Deal found 4/4![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 4/5. 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 5/57:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Thu 5/77:10 am
DEN
- OAK
1 stop4h 25m
Southwest
Deal found 4/5![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 4/4. 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.
Wed 5/67:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Wed 5/138:55 am
DEN
- OAK
1 stop5h 10m
Southwest
Deal found 4/4![Southwest logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/63:18 pm
OAK
- DEN
1 stop7h 41m
Alaska Airlines
Tue 5/121:02 pm
DEN
- OAK
1 stop6h 37m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/610:57 am
OAK
- DEN
1 stop12h 02m
Alaska Airlines
Sat 5/91:02 pm
DEN
- OAK
1 stop6h 13m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 4/5. 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 5/75:05 pm
OAK
- DEN
1 stop4h 35m
Delta
Tue 5/126:19 pm
DEN
- OAK
1 stop6h 38m
Delta
Deal found 4/5![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 4/7. 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 5/95:10 pm
OAK
- DEN
1 stop4h 55m
Southwest
Tue 5/126:30 am
DEN
- OAK
1 stop4h 35m
Southwest
Deal found 4/7![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/206:02 am
OAK
- DEN
1 stop16h 47m
Alaska Airlines
Sat 5/237:51 pm
DEN
- OAK
1 stop4h 59m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$243
One-way flights from Oakland to DenverSearch for one-way flight options from Oakland to Denver. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
Search for one-way flight options from Oakland to Denver. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Southwest deal was found by Cheapflights users on 4/6. 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.
Wed 5/67:35 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Deal found 4/6![Southwest logo]()
$109
This Delta deal was found by Cheapflights users on 4/6. 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 5/166:00 am
OAK
- DEN
1 stop4h 45m
Delta
Deal found 4/6![Delta logo]()
$119
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 6/22:58 pm
OAK
- DEN
1 stop7h 51m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$122
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/93:18 pm
OAK
- DEN
1 stop19h 48m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$124
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 5/166:02 am
OAK
- DEN
1 stop16h 35m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$127
This Southwest deal was found by Cheapflights users on 4/5. 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.
Fri 5/158:55 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Deal found 4/5![Southwest logo]()
$129
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/106:41 am
OAK
- DEN
1 stop4h 25m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Mon 5/46:41 am
OAK
- DEN
1 stop4h 25m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$142
This Southwest deal was found by Cheapflights users on 4/7. 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.
Wed 4/297:25 am
OAK
- DEN
1 stop4h 50m
Southwest
Deal found 4/7![Southwest logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 5/16:55 pm
OAK
- DEN
1 stop16h 11m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 4/5. 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.
Fri 5/18:55 pm
OAK
- DEN
Nonstop2h 25m
Southwest
Deal found 4/5![Southwest logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 6/32:58 pm
OAK
- DEN
1 stop7h 51m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$152
Find flight deals from Oakland to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Denver (DEN). 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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Southwest) |
One-way from | $109 (Southwest) |
Popular in | November |
Cheapest in | January |
Average price | $397 |
Good round-trip deal | $399 or less |
Good one-way deal | $224 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland to Denver 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 April 9, 2026.
Use the filters below to find and compare flights from Oakland to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Wed 5/13
11:20 am-6:20 pm
2 stops6h 00m
Denver Intl
Sat 5/16
5:45 am-10:00 am
1 stop5h 15m
$258
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Thu 5/7
8:55 pm-12:20 am
Nonstop2h 25m
Denver Intl
Sun 5/10
10:30 am-1:50 pm
1 stop4h 20m
$287
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Wed 6/3
2:58 pm-11:49 pm
1 stop7h 51m
Denver Intl
Fri 6/5
6:40 am-9:45 am
1 stop28h 05m
$293
Quickest round-trip
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Sat 6/27
8:00 pm-11:25 pm
Nonstop2h 25m
Denver Intl
Mon 6/29
10:10 pm-11:45 pm
Nonstop2h 35m
$317
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Wed 7/8
2:35 pm-6:00 pm
Nonstop2h 25m
Denver Intl
Mon 7/13
10:10 pm-11:45 pm
Nonstop2h 35m
$317
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Sat 6/6
6:02 am-11:37 pm
1 stop16h 35m
Denver Intl
Sat 6/20
6:00 am-9:57 am
1 stop4h 57m
$320
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Thu 6/4
5:05 am-11:25 am
1 stop5h 20m
Denver Intl
Sat 6/6
7:30 pm-9:05 pm
Nonstop2h 35m
$323
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Mon 6/8
7:40 pm-11:05 pm
Nonstop2h 25m
Denver Intl
Thu 6/11
7:00 pm-11:10 pm
1 stop5h 10m
$327
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Wed 5/13
11:20 am-6:20 pm
2 stops6h 00m
Denver Intl
Mon 5/18
4:25 pm-8:05 pm
1 stop4h 40m
$333
OaklandDenver
OAK - DEN
OAKDEN
Oakland
Tue 6/16
8:15 pm-10:33 am
1 stop13h 18m
Denver Intl
Mon 7/13
6:00 am-9:57 am
1 stop4h 57m
$337
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Oakland to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to Denver in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Oakland, California-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oakland, California-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oakland, California-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Oakland, California-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Oakland to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Oakland with our price prediction graph.
OAK-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 Oakland to Denver
How far ahead should I book a flight from Oakland, California to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Oakland to Denver. Price data was last updated on April 3, 2026.
To ensure you get the cheapest price possible for a flight from Oakland, California to Denver, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Oakland, California to Denver?
Currently, January is the cheapest month in which you can book a flight from Oakland, California to Denver (average of $58). Flying from Oakland, California to Denver in June is currently the most expensive (average of $125). 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 OAK to DEN?
Find hourly flight availability from Oakland to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 9, 2026.
It’s optimal to fly from Oakland, California to Denver in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Oakland, California to Denver?
Use this chart to determine the cheapest time to fly round-trip from Oakland to Denver. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their Oakland, California to Denver flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Oakland to Denver flights
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Cheapflights partnered with top experts to bring you the best recommendations for your Oakland to Denver trip
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Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated April 9, 2026.
See what other customers who have flown with Southwest,United Airlines, andAllegiant Air from Oakland to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Oakland to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
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Oakland and Denver flights
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Top 4 airlines flying from Oakland to Denver
Discover the top 4 airlines that operate flights from Oakland to Denver. 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$156 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$88 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$317 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$187 | Average$386 | FlexibilityNo cancel fee | On-time63% |