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 34 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 101 (from Johannesburg OR Tambo) have been found by momondo users. In 7 957 reviews, momondo users have rated Delta at an average score of 7,9/10.

KLM Flights to Denver

KLM flies to Denver 22 times per week usually, making it a popular airline to fly with, particularly when heading to Denver from Atlanta Hartsfield-Jackson. KLM (rating: 7,8, 1 386 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 256 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 29h 39m 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 45m.

R16 321 Cheap Flights to Denver in 2025/26

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Find the cheapest flights from South Africa to Denver

Round-trip

One-way

Cheap return flights

19:05 - 17:35JNB-DEN

31h 30m1 stop

19:20 - 10:50DEN-JNB

30h 30m1 stop

R16 321Turkish Airlines

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Fri, Nov 7 - Tue, Nov 25

20:15 - 10:23JNB-DEN

47h 08m2 stops

13:25 - 10:30DEN-JNB

36h 05m2 stops

R16 928Air Canada

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Sun, Nov 2 - Sun, Nov 16

20:40 - 18:19JNB-DEN

29h 39m2 stops

15:41 - 8:40DEN-JNB

32h 59m2 stops

R17 015Delta

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Wed, Oct 15 - Wed, Oct 29

20:50 - 16:37CPT-DEN

28h 47m1 stop

11:49 - 18:00DEN-CPT

21h 11m1 stop

R17 032United Airlines

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Tue, Dec 16 - Sun, Feb 1

20:50 - 18:07CPT-DEN

30h 17m1 stop

12:48 - 18:00DEN-CPT

20h 12m1 stop

R17 050United Airlines

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Tue, Dec 16 - Sun, Feb 1

19:35 - 15:30JNB-DEN

28h 55m1 stop

5:00 - 10:25DEN-JNB

44h 25m2 stops

R17 847British Airways

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Tue, Nov 25 - Mon, Jan 12

22:00 - 22:22JNB-DEN

33h 22m2 stops

16:51 - 10:25DEN-JNB

32h 34m2 stops

R17 865British Airways

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Thu, Nov 13 - Mon, Nov 17

19:40 - 17:25JNB-DEN

30h 45m2 stops

11:10 - 22:05DEN-JNB

25h 55m2 stops

R18 350KLM

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Thu, Nov 27 - Sun, Jan 11

19:40 - 17:51JNB-DEN

31h 11m2 stops

11:40 - 22:05DEN-JNB

25h 25m2 stops

R18 472KLM

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Thu, Nov 27 - Fri, Jan 9

20:40 - 23:59JNB-DEN

35h 19m2 stops

12:50 - 19:40DEN-JNB

22h 50m1 stop

R22 010Virgin Atlantic

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Thu, Oct 2 - Thu, Oct 9

Fly from

Route

Depart

Return

Price

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Fri 7/11

19:05-17:35

1 stop31h 30m

Denver Intl

Tue 25/11

19:20-10:50

1 stop30h 30m

R16 321

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Sun 2/11

20:15-10:23

2 stops47h 08m

Denver Intl

Sun 16/11

13:25-10:30

2 stops36h 05m

R16 928

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Wed 15/10

20:40-18:19

2 stops29h 39m

Denver Intl

Wed 29/10

15:41-8:40

2 stops32h 59m

R17 015

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Tue 16/12

20:50-16:37

1 stop28h 47m

Denver Intl

Sun 1/2

11:49-18:00

1 stop21h 11m

R17 032

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Tue 16/12

20:50-18:07

1 stop30h 17m

Denver Intl

Sun 1/2

12:48-18:00

1 stop20h 12m

R17 050

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Tue 25/11

19:35-15:30

1 stop28h 55m

Denver Intl

Mon 12/1

5:00-10:25

2 stops44h 25m

R17 847

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Thu 13/11

22:00-22:22

2 stops33h 22m

Denver Intl

Mon 17/11

16:51-10:25

2 stops32h 34m

R17 865

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Thu 27/11

19:40-17:25

2 stops30h 45m

Denver Intl

Sun 11/1

11:10-22:05

2 stops25h 55m

R18 350

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Thu 27/11

19:40-17:51

2 stops31h 11m

Denver Intl

Fri 9/1

11:40-22:05

2 stops25h 25m

R18 472

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Thu 2/10

20:40-23:59

2 stops35h 19m

Denver Intl

Thu 9/10

12:50-19:40

1 stop22h 50m

R22 010

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 January. Flight prices, which tend to average around R17 136, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from South Africa, when ticket prices are also cheap, with an average price of R17 240.

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 666. 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 664. 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 500. 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 606 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 904 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 668 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	January	10% cheaper	Flying from Johannesburg OR Tambo Airport to Denver costs on average just R17 136 in January
MOST EXPENSIVE MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	June	20% more expensive	It costs about R22 808 for flights to Denver from Johannesburg OR Tambo Airport in June
MOST POPULAR MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	June	301% 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 Round-Trip Price	R16 321
Fastest flight time	22h 28m
Popular in	January

The best round-trip flight price to Denver from South Africa in the last 72 hours is R16 321 (Johannesburg OR Tambo to Denver Intl).

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The fastest flight to Denver from South Africa takes 22h 28m (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 904.

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 September 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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