$107+ Cheap flights from Denver

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — SYD
3 Sep — 10 Sep1
1 adult

What to know about flights from Denver

Discover essential information about flights departing from Denver, including flight schedules, destinations, airlines operating at the Denver airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 29 August 2025.

Cheapest airline

Qantas Airways

Good round-trip deal

$177 or less

Good one-way deal

$242 or less
On average, Qantas Airways currently has the cheapest one-way flight from Denver Intl (avg. price of $2,034).
Price to beat on a round-trip flight from Denver Intl.
Price to beat on a one-way flight from Denver Intl.

Find flights from Denver

Cheapest flights from Denver
Explore the most affordable flight options available from Denver. Find the lowest fares based on data from user searches, with prices last updated on 29 August 2025.

Mon 13/1022:55DEN - LAX
Nonstop2h 30mFrontier
Mon 20/1006:44LAX - DEN
Nonstop2h 34mFrontier
Deal found 28/8$182
Sat 4/1015:46DEN - LAX
Nonstop2h 29mUnited Airlines
Sat 4/1019:00LAX - DEN
Nonstop2h 27mUnited Airlines
Deal found 27/8$205
Sat 27/906:30DEN - LAX
Nonstop2h 31mDelta
Sat 27/914:59LAX - DEN
Nonstop2h 23mDelta
Deal found 27/8$213
Sat 20/919:52DEN - LAX
Nonstop2h 32mUnited Airlines
Wed 24/911:00LAX - DEN
Nonstop2h 27mUnited Airlines
Deal found 27/8$244
Tue 16/1206:30DEN - LAX
Nonstop2h 38mDelta
Tue 6/108:00LAX - DEN
Nonstop2h 32mDelta
Deal found 28/8$258
Sat 27/919:55DEN - SFO
Nonstop2h 40mSouthwest
Mon 29/919:45SFO - DEN
Nonstop2h 25mSouthwest
Deal found 27/8$271
Thu 27/1106:25DEN - LAX
Nonstop2h 35mDelta
Sat 6/1208:00LAX - DEN
Nonstop2h 30mDelta
Deal found 27/8$273
Wed 3/1211:41DEN - SFO
1 stop7h 46mAlaska Airlines
Sun 7/1207:00SFO - DEN
1 stop11h 24mAlaska Airlines
Deal found 27/8$290
Fri 12/1218:59DEN - SFO
1 stop5h 49mAlaska Airlines
Mon 15/1221:57SFO - DEN
1 stop20h 27mAlaska Airlines
Deal found 29/8$296
Tue 16/1215:42DEN - LAX
1 stop7h 01mAlaska Airlines
Tue 6/111:06LAX - DEN
1 stop6h 02mAlaska Airlines
Deal found 28/8$300
Fri 26/921:35DEN - SFO
Nonstop2h 35mSouthwest
Fri 3/1016:50SFO - DEN
Nonstop2h 30mSouthwest
Deal found 27/8$302
Tue 23/1206:15DEN - LAX
Nonstop2h 37mDelta
Tue 30/1218:55LAX - DEN
Nonstop2h 24mDelta
Deal found 27/8$302

Find flights from Denver within your budget

 
Find flights departing from Denver that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 29 August 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Mon 13/10

22:55-00:25

Nonstop2h 30m

Los Angeles

Mon 20/10

06:44-10:18

Nonstop2h 34m

$182

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 4/10

15:46-17:15

Nonstop2h 29m

Los Angeles

Sat 4/10

19:00-22:27

Nonstop2h 27m

$205

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 27/9

06:30-08:01

Nonstop2h 31m

Los Angeles

Sat 27/9

14:59-18:22

Nonstop2h 23m

$213

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Tue 4/11

08:05-09:40

Nonstop2h 35m

Los Angeles

Sat 8/11

05:10-08:35

Nonstop2h 25m

$213

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 20/9

19:52-21:24

Nonstop2h 32m

Los Angeles

Wed 24/9

11:00-14:27

Nonstop2h 27m

$244

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 13/12

12:59-14:32

Nonstop2h 33m

Los Angeles

Wed 7/1

19:35-22:55

Nonstop2h 20m

$258

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Mon 3/11

08:05-09:40

Nonstop2h 35m

Los Angeles

Sat 8/11

05:10-08:35

Nonstop2h 25m

$258

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 17/12

06:30-08:08

Nonstop2h 38m

Los Angeles

Wed 7/1

08:00-11:32

Nonstop2h 32m

$258

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Thu 30/10

19:10-20:47

Nonstop2h 37m

Los Angeles

Sat 1/11

08:50-12:18

Nonstop2h 28m

$258

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 27/9

19:55-21:35

Nonstop2h 40m

San Francisco

Mon 29/9

19:45-23:10

Nonstop2h 25m

$271

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 60 results
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Best time to book a flight from Denver

Have a flexible travel schedule? Discover the best time to fly from Denver with our price prediction graph.
Estimated return 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.

Travel insights for flights from Denver

Get recent, data-driven insights about flights from Denver including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Denver?

Use this chart to determine the optimal time to book a return flight from Denver to Sydney. Price data was last updated on 22 August 2025.

The best time to book flights from Denver is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver?

Currently, June is the cheapest month in which you can book a flight from Denver (average of $1,019). Flying from Denver in January will prove the most costly (average of $1,321). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Denver

Get insights into the airlines that provide service from Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Denver. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Read through reviews of airlines serving Denver, such as Qantas Airways, United Airlines, andAmerican Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Comfort

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Comfort

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Comfort

7.5

Overall

7.5

Boarding

7.7

Food

6.9

Crew

8.2

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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Direct flights from Colorado

Book a direct flight from one of these other cities located in Colorado.

Related info for your journey

Access useful and relevant information related to your journey from Denver. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 29 August 2025.
  • What are the most popular destinations to fly to from Denver?

    For the current month, the most popular flights from Denver are Boston, Atlanta, Austin. Boston, Atlanta, Austin are the most popular locations from Denver year round.

  • What is the cheapest flight from Denver to anywhere?

    Users have flown out of Denver for as low as $142 to Omaha (prices may vary depending on the airline and departure time). On average, users have booked flights for $464 to fly from Denver.

  • What are the cheapest airlines flying from Denver to anywhere?

    According to our data, users have found Frontier, American Airlines, and United Airlines to have the cheapest round-trip prices from Denver. Some of the destinations and prices are as follows: Frontier flights from Denver to Las Vegas Harry Reid Intl ($42). American Airlines flights from Denver to Sydney Kingsford Smith ($306). United Airlines flights from Denver to Sydney Kingsford Smith ($474).

  • What is the cheapest premium economy flight from Denver?

    Options for some of the cheapest premium economy flights from Denver we have found on Cheapflights are as follows:
    Fly from Denver Intl to Newark Airport starting at $1,249
    Fly from Denver Intl to Philadelphia starting at $2,526
    Fly from Denver Intl to London Heathrow Airport starting at $4,733

  • What is the cheapest first class flight from Denver?

    If you’re looking to fly first-class from Denver to anywhere, put Baltimore on your list as prices start at $1,064 for this destination.

  • What is the cheapest month to fly from Denver?

    Currently, the cheapest month for flights from Denver is June. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Denver?

    View the cheapest flight destinations from Denver:
    Fly from Denver to Sydney from $1,626 round trip

  • How does Cheapflights help users find flights from Denver?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from Denver?

    Cheapflights simply makes it quick and affordable to book flights from Denver by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Denver with no change fees?

    Need flexible booking options for your flight from Denver ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Denver become cheaper?

    Yes! Start tracking prices for flights from Denver today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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How does Cheapflights help users find flights from Denver?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Denver?

Cheapflights simply makes it quick and affordable to book flights from Denver by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Denver with no change fees?

Need flexible booking options for your flight from Denver ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Denver become cheaper?

Yes! Start tracking prices for flights from Denver today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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