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$180+ Cheap flights from Denver

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. 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
20 Jul — 27 Jul1
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 15 July 2025.

Cheapest airline

Qantas Airways

Good round-trip deal

$176 or less

Good one-way deal

$90 or less
On average, Qantas Airways currently has the cheapest one-way flight from Denver Intl (avg. price of $2,022).
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 15 July 2025.

Fri 5/917:20DEN - CLE
Nonstop2h 50mSouthwest
Sun 7/916:45CLE - DEN
Nonstop3h 10mSouthwest
Deal found 12/7$227
Fri 15/813:38DEN - CLE
Nonstop3h 05mFrontier
Sun 17/820:01CLE - DEN
Nonstop3h 24mFrontier
Deal found 12/7$244
Wed 6/807:05DEN - CLE
1 stop7h 58mDelta
Thu 14/819:45CLE - DEN
1 stop6h 30mDelta
Deal found 14/7$361
Wed 3/917:45DEN - CLE
Nonstop2h 58mUnited Airlines
Thu 4/917:02CLE - DEN
Nonstop3h 16mUnited Airlines
Deal found 14/7$370
Wed 10/911:40DEN - SYD
1 stop27h 25mAmerican Airlines
Mon 15/909:10SYD - DEN
1 stop17h 58mAmerican Airlines
Deal found 11/7$1,267
Tue 19/817:50DEN - SYD
2 stops28h 50mMultiple Airlines
Sun 7/917:45SYD - DEN
1 stop39h 51mMultiple Airlines
Deal found 13/7$1,601
Tue 2/919:05DEN - SYD
1 stop20h 15mAir Canada
Thu 11/909:20SYD - DEN
2 stops24h 43mAir Canada
Deal found 13/7$1,758
Thu 18/919:05DEN - MEL
2 stops24h 30mAir Canada
Tue 30/906:00MEL - DEN
2 stops24h 53mAir Canada
Deal found 13/7$1,810
Tue 18/1116:59DEN - SYD
2 stops25h 31mFiji Airways
Tue 9/1214:10SYD - DEN
2 stops23h 45mFiji Airways
Deal found 14/7$1,814
Wed 27/811:40DEN - PER
2 stops39h 30mMultiple Airlines
Wed 3/918:25PER - DEN
2 stops31h 40mMultiple Airlines
Deal found 13/7$1,864
Mon 11/819:48DEN - CBR
2 stops30h 42mAir Canada
Mon 18/806:20CBR - DEN
2 stops29h 10mAir Canada
Deal found 12/7$1,866
Tue 26/817:06DEN - BNE
2 stops25h 19mFiji Airways
Tue 28/1011:35BNE - DEN
2 stops24h 04mFiji Airways
Deal found 13/7$1,907

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 15 July 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

DenverCleveland

DEN - CLE

DENCLE

Denver Intl

Tue 12/8

07:00-17:35

2 stops8h 35m

Cleveland Hopkins Intl

Fri 15/8

17:15-22:55

1 stop7h 40m

$349

DenverCleveland

DEN - CLE

DENCLE

Denver Intl

Wed 6/8

00:55-09:29

1 stop6h 34m

Cleveland Hopkins Intl

Mon 11/8

18:29-22:55

1 stop6h 26m

$361

DenverCleveland

DEN - CLE

DENCLE

Denver Intl

Wed 3/9

17:45-22:43

Nonstop2h 58m

Cleveland Hopkins Intl

Fri 5/9

10:50-12:06

Nonstop3h 16m

$370

DenverCleveland

DEN - CLE

DENCLE

Denver Intl

Thu 14/8

00:34-15:20

1 stop12h 46m

Cleveland Hopkins Intl

Sun 17/8

19:30-08:21

1 stop14h 51m

$393

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Wed 10/9

11:40-07:05

1 stop27h 25m

Sydney Kingsford Smith

Mon 15/9

09:10-11:08

1 stop17h 58m

$1,267

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 19/8

17:50-14:40

2 stops28h 50m

Sydney Kingsford Smith

Sun 7/9

17:45-17:36

1 stop39h 51m

$1,601

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 2/9

19:05-07:20

1 stop20h 15m

Sydney Kingsford Smith

Thu 11/9

09:20-18:03

2 stops24h 43m

$1,758

DenverMelbourne

DEN - MEL

DENMEL

Denver Intl

Thu 18/9

19:05-11:35

2 stops24h 30m

Melbourne

Tue 30/9

06:00-14:53

2 stops24h 53m

$1,810

DenverSydney

DEN - SYD

DENSYD

Denver Intl

Tue 18/11

16:59-12:30

2 stops25h 31m

Sydney Kingsford Smith

Tue 9/12

14:10-19:55

2 stops23h 45m

$1,814

DenverPerth

DEN - PER

DENPER

Denver Intl

Wed 27/8

11:40-17:10

2 stops39h 30m

Perth

Wed 3/9

18:25-12:05

2 stops31h 40m

$1,864

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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 11 July 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 $1,011). Flying from Denver in January will prove the most costly (average of $1,314). 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 ANA, Fiji Airways, andDelta. 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.

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very Good

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very Good

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Overall

8.4

Entertainment

7.9

Boarding

8.5

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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Direct flights from Colorado

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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 15 July 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, Anchorage. Boston, Atlanta, Nashville 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 $69 to Austin (prices may vary depending on the airline and departure time). On average, users have booked flights for $584 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 ($304). United Airlines flights from Denver to Sydney Kingsford Smith ($471).

  • 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 Philadelphia starting at $2,512
    Fly from Denver Intl to Vancouver Intl Airport starting at $3,201
    Fly from Denver Intl to London Heathrow Airport starting at $4,707

  • What is the cheapest first class flight from Denver?

    If you’re looking to fly first-class from Denver to anywhere, put Salt Lake City on your list as prices start at $2,741 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.

  • 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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