Which airlines fly to Denver?

United Airlines, British Airways, Virgin Atlantic and KLM are the most popular airlines that fly from South Africa to Denver on a routine basis, according to our data. You should be able to find flights to Denver with these airlines and other airlines flying from South Africa.

Delta Flights to Denver

Delta is a popular choice for users travelling to Denver. It operates 31 flights every week to Denver, most often flying from Atlanta Hartsfield-Jackson. Delta ticket prices will depend on when and where you need to fly from - deals as low as R16 163 (from Johannesburg OR Tambo) have been found by momondo users. In 7 981 reviews, momondo users have rated Delta at an average score of 7,9/10.

KLM Flights to Denver

KLM flies to Denver 19 times per week usually, making it a popular airline to fly with, particularly when heading to Denver from Atlanta Hartsfield-Jackson. KLM (rating: 7,7, 1 404 reviews) varies in price depending on when and where you want to fly to Denver from. The best KLM ticket price found on momondo to Denver was from Cape Town Intl (R16 318 return).

How long does it take to fly to Denver?

The flight from South Africa to Denver depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Johannesburg OR Tambo (a popular airport in South Africa) to Denver Intl (the most popular airport in Denver), then the flight time is 28h 52m on average. If you fly from Cape Town Intl (another popular airport in South Africa) to Denver Intl, then the average flight time is 22h 43m.

R11 056 Cheap Flights to Denver in 2025/26

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21:30 - 17:51CPT-DEN

29h 21m1 stop

15:10 - 19:15DEN-CPT

19h 05m1 stop

R15 217Virgin Atlantic

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Thu, Nov 27 - Thu, Jan 15

21:30 - 17:51CPT-DEN

29h 21m1 stop

15:10 - 19:15DEN-CPT

19h 05m1 stop

R15 391Virgin Atlantic

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Thu, Nov 27 - Thu, Jan 15

20:50 - 10:28CPT-DEN

22h 38m1 stop

20:39 - 17:10DEN-CPT

36h 31m2 stops

R16 802United Airlines

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Mon, Nov 10 - Tue, Sep 1

19:50 - 14:43CPT-DEN

26h 53m2 stops

13:45 - 17:10DEN-CPT

19h 25m1 stop

R16 993United Airlines

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Thu, Mar 19 - Sun, Apr 5

19:20 - 17:28JNB-DEN

31h 08m2 stops

13:57 - 22:05DEN-JNB

23h 08m2 stops

R17 202KLM

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Sun, Nov 2 - Sun, Nov 16

17:15 - 17:35CPT-DEN

33h 20m1 stop

20:25 - 11:50DEN-CPT

31h 25m1 stop

R18 316Turkish Airlines

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Mon, Nov 10 - Tue, Sep 1

17:15 - 17:35CPT-DEN

33h 20m1 stop

19:20 - 11:50DEN-CPT

31h 30m1 stop

R18 577Turkish Airlines

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Thu, Jan 15 - Sat, Feb 7

22:10 - 15:30CPT-DEN

26h 20m1 stop

17:25 - 8:05DEN-CPT

29h 40m1 stop

R22 286British Airways

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Thu, Feb 12 - Mon, Feb 16

22:00 - 15:30JNB-DEN

26h 30m1 stop

17:25 - 10:25DEN-JNB

32h 00m1 stop

R22 443British Airways

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Mon, Dec 22 - Mon, Jan 19

8:00 - 14:58CPT-DEN

39h 58m2 stops

15:14 - 5:50DEN-CPT

29h 36m2 stops

R23 888KLM

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Sat, Dec 6 - Sat, Dec 13

Fly from

Route

Depart

Return

Price

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Thu 27/11

21:30-17:51

1 stop29h 21m

Denver Intl

Thu 15/1

15:10-19:15

1 stop19h 05m

R15 217

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Thu 27/11

21:30-17:51

1 stop29h 21m

Denver Intl

Thu 15/1

15:10-19:15

1 stop19h 05m

R15 391

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Mon 10/11

20:50-10:28

1 stop22h 38m

Denver Intl

Tue 1/9

20:39-17:10

2 stops36h 31m

R16 802

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Thu 19/3

19:50-14:43

2 stops26h 53m

Denver Intl

Sun 5/4

13:45-17:10

1 stop19h 25m

R16 993

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Sun 2/11

19:20-17:28

2 stops31h 08m

Denver Intl

Sun 16/11

13:57-22:05

2 stops23h 08m

R17 202

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Mon 10/11

17:15-17:35

1 stop33h 20m

Denver Intl

Tue 1/9

20:25-11:50

1 stop31h 25m

R18 316

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Thu 15/1

17:15-17:35

1 stop33h 20m

Denver Intl

Sat 7/2

19:20-11:50

1 stop31h 30m

R18 577

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Thu 12/2

22:10-15:30

1 stop26h 20m

Denver Intl

Mon 16/2

17:25-8:05

1 stop29h 40m

R22 286

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Mon 22/12

22:00-15:30

1 stop26h 30m

Denver Intl

Mon 19/1

17:25-10:25

1 stop32h 00m

R22 443

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Sat 6/12

8:00-14:58

2 stops39h 58m

Denver Intl

Sat 13/12

15:14-5:50

2 stops29h 36m

R23 888

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Denver flights insights and trends

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Prices

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from South Africa is in February. Flight prices, which tend to average around R17 132, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until January to fly from South Africa, when ticket prices are also cheap, with an average price of R17 254.

What is the cheapest day to depart on your flight to Denver?

On average, the least expensive day to fly to Denver from South Africa is on a Thursday. momondo users have found tickets for Thursday departures for as low as R18 737. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from South Africa to Denver on a Saturday will generally be more expensive and average around R21 747. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Denver?

In the evening is the cheapest time of day to fly from South Africa to Denver when you can find flight prices for as low as R19 575. Flying to Denver in the evening is an ideal time because this is during off-peak travel hours. At midday is when there is more demand to fly to Denver, so prices are often more expensive at around R23 696 per ticket.

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from South Africa when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around R18 866 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from South Africa for as low as R16 732 on momondo.

Cheapest flights to Denver Intl

Find the cheapest flights to Denver Intl from your nearest city or airport

Find flights from Johannesburg OR Tambo Airport to Denver

CHEAPEST MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	February	10% cheaper	Flying from Johannesburg OR Tambo Airport to Denver costs on average just R17 132 in February
MOST EXPENSIVE MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	June	18% more expensive	It costs about R22 356 for flights to Denver from Johannesburg OR Tambo Airport in June
MOST POPULAR MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	June	307% more users visited	More momondo users searched in flights to Denver from Johannesburg OR Tambo Airport in June than any other month

Cheap Denver flight deals and tips

Summary info about Denver flight prices, duration and airlines

Best One-Way Price	R11 056
Best Round-Trip Price	R15 217
Fastest flight time	33h 20m
Popular in	January

The best one-way flight price to Denver from South Africa in the last 72 hours is R11 056 (Cape Town Intl to Denver Intl).

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The best round-trip flight price to Denver from South Africa in the last 72 hours is R15 217 (Cape Town Intl to Denver Intl).

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The fastest flight to Denver from South Africa takes 33h 20m (Cape Town Intl to Denver Intl).

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January has the highest demand for flights to Denver, with a 0% price increase on average.

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Frequently asked questions about flying to Denver

How far in advance should I book a flight to Denver?

We recommend purchasing flights from South Africa to Denver 14 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Denver for R18 866.

Is there an alternative airport near Denver?

Denver Rocky Mountain Metropolitan Airport, Denver Arapahoe Co Airport, Loveland Northern Colorado Airport, Colorado Springs Airport or Cheyenne Airport can be an alternative airport used for travel to Denver.

When did momondo last update prices for flights to Denver Intl Airport?

Prices for flights to Denver Intl Airport are updated daily.

How many operators does momondo search for flights to Denver Intl Airport?

As of October 2025, there are 11 operators available to choose from for flights to Denver Intl Airport.

How old do you have to be to fly to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver.

Can I find flights to Denver with flexible booking policies on momondo?

Flights to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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