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.

KLM Flights to Denver

KLM is a popular choice for users travelling to Denver. It operates 19 flights every week to Denver, most often flying from Atlanta Hartsfield-Jackson. KLM ticket prices will depend on when and where you need to fly from - deals as low as R16 277 (from Cape Town Intl) have been found by momondo users. In 1 419 reviews, momondo users have rated KLM at an average score of 7,7/10.

Virgin Atlantic Flights to Denver

Virgin Atlantic flies to Denver 20 times per week usually, making it a popular airline to fly with, particularly when heading to Denver from Atlanta Hartsfield-Jackson. Virgin Atlantic (rating: 7,5, 675 reviews) varies in price depending on when and where you want to fly to Denver from. The best Virgin Atlantic ticket price found on momondo to Denver was from Cape Town Intl (R15 295 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 26h 30m on average. If you fly from Cape Town Intl (another popular airport in South Africa) to Denver Intl, then the average flight time is 24h 18m.

R12 626 Cheap Flights to Denver in 2025/26

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Find the cheapest flights from South Africa to Denver

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19:35 - 22:30JNB-DEN

35h 55m2 stops

15:17 - 10:25DEN-JNB

34h 08m2 stops

R15 682American Airlines

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Mi, Feb 4 - So, Feb 8

19:35 - 18:06JNB-DEN

55h 31m2 stops

15:17 - 10:25DEN-JNB

34h 08m2 stops

R15 717American Airlines

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Mi, Feb 4 - So, Feb 8

22:00 - 15:30JNB-DEN

26h 30m1 stop

14:06 - 10:25DEN-JNB

35h 19m2 stops

R16 169American Airlines

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Mi, Feb 4 - So, Feb 8

22:00 - 15:30JNB-DEN

26h 30m1 stop

12:52 - 10:25DEN-JNB

36h 33m2 stops

R16 273American Airlines

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Mi, Feb 4 - So, Feb 8

19:35 - 15:30JNB-DEN

28h 55m1 stop

17:25 - 10:25DEN-JNB

32h 00m1 stop

R16 828British Airways

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Sa, Dez 6 - So, Mrz 1

20:50 - 12:15CPT-DEN

24h 25m1 stop

7:45 - 16:10DEN-CPT

23h 25m1 stop

R16 933United Airlines

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Fr, Jan 16 - Sa, Feb 14

20:50 - 12:15CPT-DEN

24h 25m1 stop

7:45 - 16:10DEN-CPT

23h 25m1 stop

R16 950United Airlines

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Fr, Jan 16 - Sa, Feb 14

22:10 - 15:30CPT-DEN

26h 20m1 stop

17:25 - 17:20DEN-CPT

38h 55m2 stops

R19 642British Airways

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Do, Jan 15 - Sa, Feb 7

17:15 - 17:35CPT-DEN

33h 20m1 stop

19:20 - 11:50DEN-CPT

31h 30m1 stop

R19 885Turkish Airlines

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Do, Jan 15 - Sa, Feb 7

6:05 - 14:35CPT-DEN

41h 30m2 stops

15:55 - 13:25DEN-CPT

36h 30m2 stops

R20 632Lufthansa

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Do, Jan 15 - Sa, Feb 7

Fly from

Route

Depart

Return

Price

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Mi 4/2

19:35-22:30

2 stops35h 55m

Denver Intl

So 8/2

15:17-10:25

2 stops34h 08m

R15 682

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Mi 4/2

19:35-18:06

2 stops55h 31m

Denver Intl

So 8/2

15:17-10:25

2 stops34h 08m

R15 717

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Mi 4/2

22:00-15:30

1 stop26h 30m

Denver Intl

So 8/2

14:06-10:25

2 stops35h 19m

R16 168

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Mi 4/2

22:00-15:30

1 stop26h 30m

Denver Intl

So 8/2

12:52-10:25

2 stops36h 33m

R16 273

JohannesburgDenver

JNB - DEN

JNBDEN

Johannesburg OR Tambo

Sa 6/12

19:35-15:30

1 stop28h 55m

Denver Intl

So 1/3

17:25-10:25

1 stop32h 00m

R16 828

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Fr 16/1

20:50-12:15

1 stop24h 25m

Denver Intl

Sa 14/2

7:45-16:10

1 stop23h 25m

R16 933

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Fr 16/1

20:50-12:15

1 stop24h 25m

Denver Intl

Sa 14/2

7:45-16:10

1 stop23h 25m

R16 950

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Do 15/1

22:10-15:30

1 stop26h 20m

Denver Intl

Sa 7/2

17:25-17:20

2 stops38h 55m

R19 642

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Do 15/1

17:15-17:35

1 stop33h 20m

Denver Intl

Sa 7/2

19:20-11:50

1 stop31h 30m

R19 885

Cape TownDenver

CPT - DEN

CPTDEN

Cape Town Intl

Do 15/1

6:05-14:35

2 stops41h 30m

Denver Intl

Sa 7/2

15:55-13:25

2 stops36h 30m

R20 632

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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 R16 967, 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 158.

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 690. 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 692. 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 525. 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 636 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 896 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 690 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	11% cheaper	Flying from Johannesburg OR Tambo Airport to Denver costs on average just R16 967 in February
MOST EXPENSIVE MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	June	18% more expensive	It costs about R22 403 for flights to Denver from Johannesburg OR Tambo Airport in June
MOST POPULAR MONTH TO FLY TO DENVER FROM JOHANNESBURG OR TAMBO AIRPORT	June	308% 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	R12 626
Best Round-Trip Price	R15 682
Fastest flight time	26h 30m
Popular in	January

The best one-way flight price to Denver from South Africa in the last 72 hours is R12 626 (Johannesburg OR Tambo 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 682 (Johannesburg OR Tambo to Denver Intl).

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The fastest flight to Denver from South Africa takes 26h 30m (Johannesburg OR Tambo 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 896.

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 November 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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