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$122+ 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 17/3. 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
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

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 2 February 2026.

Cheapest airline

Qantas Airways

Good round-trip deal

$84 or less

Good one-way deal

$146 or less
On average, Qantas Airways currently has the cheapest one-way flight from Denver Intl (avg. price of $1,903).
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Price to beat on a round-trip flight from Denver Intl.
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Price to beat on a one-way flight from Denver Intl.
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Find flights from Denver

Enter your travel dates to find the best prices.

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 2 February 2026.

Wed 4/320:25
DEN
-
SFO
Nonstop2h 55m
Southwest
Sat 7/307:15
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 1/2$225
Wed 4/308:35
DEN
-
SFO
Nonstop2h 55m
Southwest
Wed 11/305:55
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 1/2$254
Sun 1/305:20
DEN
-
SFO
Nonstop2h 58m
United Airlines
Sun 8/306:00
SFO
-
DEN
Nonstop2h 41m
United Airlines
Deal found 30/1$283
Wed 18/318:20
DEN
-
SFO
1 stop5h 32m
Alaska Airlines
Wed 25/306:35
SFO
-
DEN
1 stop16h 09m
Alaska Airlines
Deal found 31/1$287
Wed 4/311:38
DEN
-
SFO
1 stop6h 06m
Alaska Airlines
Tue 10/313:12
SFO
-
DEN
2 stops9h 47m
Alaska Airlines
Deal found 1/2$294
Sat 7/318:20
DEN
-
SFO
1 stop4h 55m
Delta
Sun 8/306:00
SFO
-
DEN
1 stop4h 58m
Delta
Deal found 31/1$297
Sat 28/208:10
DEN
-
SFO
Nonstop2h 55m
Southwest
Sun 1/305:00
SFO
-
DEN
Nonstop2h 30m
Southwest
Deal found 31/1$311
Wed 25/308:45
DEN
-
SFO
1 stop6h 05m
Southwest
Wed 1/406:25
SFO
-
DEN
2 stops6h 55m
Southwest
Deal found 2/2$319
Tue 24/318:03
DEN
-
SFO
1 stop5h 40m
Alaska Airlines
Tue 31/321:07
SFO
-
DEN
2 stops19h 17m
Alaska Airlines
Deal found 30/1$337
Thu 19/306:30
DEN
-
SFO
1 stop6h 37m
Delta
Tue 24/305:40
SFO
-
DEN
1 stop4h 53m
Delta
Deal found 1/2$340
Sun 1/306:00
DEN
-
SYD
2 stops36h 35m
Multiple Airlines
Sun 8/306:00
SYD
-
DEN
2 stops35h 30m
Multiple Airlines
Deal found 1/2$1,254
Thu 5/311:56
DEN
-
SYD
2 stops30h 39m
Multiple Airlines
Mon 23/306:00
SYD
-
DEN
2 stops35h 30m
Multiple Airlines
Deal found 1/2$1,256

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 2 February 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 7/3

18:12-23:04

1 stop5h 52m

San Francisco

Sun 8/3

06:00-11:58

1 stop4h 58m

$297

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 28/2

08:10-10:05

Nonstop2h 55m

San Francisco

Sun 1/3

05:00-08:30

Nonstop2h 30m

$311

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 5/3

18:20-23:54

1 stop6h 34m

San Francisco

Sun 8/3

06:00-11:58

1 stop4h 58m

$311

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 11/3

12:30-16:10

1 stop4h 40m

San Francisco

Fri 13/3

05:40-11:33

1 stop4h 53m

$326

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Tue 24/3

18:03-22:43

1 stop5h 40m

San Francisco

Tue 31/3

21:07-17:24

2 stops19h 17m

$337

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 19/3

06:30-12:07

1 stop6h 37m

San Francisco

Wed 25/3

16:03-23:23

1 stop6h 20m

$340

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Thu 26/2

17:15-22:55

2 stops6h 40m

San Francisco

Sat 28/2

06:15-14:35

2 stops7h 20m

$383

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 3/6

06:40-11:59

1 stop6h 19m

San Francisco

Sat 6/6

15:00-21:37

1 stop5h 37m

$398

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Sat 14/3

05:25-09:30

1 stop5h 05m

San Francisco

Thu 19/3

05:30-08:55

Nonstop2h 25m

$398

DenverSan Francisco

DEN - SFO

DENSFO

Denver Intl

Wed 22/7

06:00-10:56

1 stop5h 56m

San Francisco

Tue 28/7

09:13-17:58

1 stop7h 45m

$398

Flights are sorted by cheapest return flights first.

Deals found on 2/2

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 30 January 2026.

The best time to book flights from Denver is 41 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 $947). Flying from Denver in January will prove the most costly (average of $1,226). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Denver?

When flying from Denver check dates and pricing for the following: Qantas Airways. As it departs for the following popular destinations: Sydney.

Qantas Airways
Qantas Airways
From $1,180
Frontier
Frontier
From $40

What are popular destinations to fly to from Denver?

Denver offers frequent flights to Chicago (570 flights per day), Los Angeles (522 flights per day) and San Francisco (287 flights per day).

Omaha Eppley Airfield
Omaha Eppley Airfield
From $133
Fort Lauderdale
Fort Lauderdale
From $471
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $83
Monterrey Gen Mariano Escobedo
Monterrey Gen Mariano Escobedo
From $146

What is the cheapest place to fly to from Denver?

The cheapest city to fly to from Denver is Las Vegas Harry Reid Intl, with prices starting at $83. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $83
Omaha Eppley Airfield
Omaha Eppley Airfield
From $133
Monterrey Gen Mariano Escobedo
Monterrey Gen Mariano Escobedo
From $146
Oklahoma City Will Rogers World
Oklahoma City Will Rogers World
From $171

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. 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.
Qantas Airways
7.5
Good
984 reviews
Check prices

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Food

7.0

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.
Qantas Airways
7.5
Good
984 reviews
Qantas Airways
7.5
Good
984 reviews
Check prices

Overall

7.5

Boarding

7.7

Crew

8.2

Entertainment

7.2

Food

7.0

Comfort

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Jan 2026

WYA - ADL

Bad. Second time in a week the flight got delayed. This time for 1.5 hours. Hopefully this is not going to be a pattern.

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Direct flights from Colorado

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

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 2 February 2026.

  • What are the most popular destinations to fly to from Denver?

    For the current month, the most popular flights from Denver are Atlanta, Boston, 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 $83 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $390 to fly from Denver.

  • 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 $1,170
    Fly from Denver Intl to Philadelphia starting at $2,366
    Fly from Denver Intl to London Heathrow Airport starting at $4,432

  • 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 $996 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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