What is the cheapest month to book a flight from Colorado to Serbia?

Currently, January is the cheapest month in which you can book a flight from Colorado to Serbia (average of $688). Flying from Colorado to Serbia in June is currently the most expensive (average of $1,174). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Serbia ranges from 1.6 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Serbia when rainfall is around 1.6 in.

If weather is an important factor for your trip to Serbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest month to fly from Colorado to Serbia?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, March can be a great choice for travel to Serbia. Flights to Serbia from Colorado in March are about $975 on average during March, but can be found for as low as $560.

Can I find deals for flights from Colorado to Serbia that include hotel bookings?

Yes. In addition to deals on Colorado to Serbia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Colorado to Serbia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Serbia.

Can I find deals for business class flights from Colorado to Serbia?

Yes. Cheapflights offers flight deals from Colorado to Serbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$458+ Cheap Flights from Colorado to Serbia

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Cheap flight deals from Colorado to Serbia

Round-trip from	$895 (Cheapflightsfares)
One-way from	$458 (Kiwi.com)
Popular in	June
Cheapest in	March
Average price	$893

From Colorado to Serbia

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One-way flight from Colorado to Serbia

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Highest demand for flights based on searches. 18% potential increase in price ($217 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Colorado to Serbia

Cheapest flights from Colorado to Serbia
Explore the most affordable flight options available from Colorado to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Sun 8/247:50 pmDEN - BEG

1 stop28h 40mTurkish Airlines

Wed 9/38:25 pmBEG - DEN

1 stop29h 30mTurkish Airlines

Deal found 8/15

$703

Mon 9/295:59 pmDEN - BEG

3 stops21h 16mMultiple Airlines

Mon 10/66:55 pmBEG - DEN

2 stops28h 40mMultiple Airlines

Deal found 8/15

$786

Mon 10/275:20 pmDEN - BEG

1 stop16h 45mLufthansa

Tue 11/46:10 amBEG - DEN

1 stop17h 50mLufthansa

Deal found 8/17

$895

Mon 10/278:45 amDEN - BEG

2 stops21h 05mAir Canada

Tue 11/46:10 amBEG - DEN

2 stops21h 45mAir Canada

Deal found 8/16

$921

Mon 9/86:00 amDEN - BEG

2 stops29h 35mTurkish Airlines

Mon 9/154:00 pmBEG - DEN

1 stop33h 55mTurkish Airlines

Deal found 8/17

$969

Fri 9/128:00 amDEN - BEG

2 stops30h 15mMultiple Airlines

Wed 9/247:00 amBEG - DEN

2 stops23h 02mMultiple Airlines

Deal found 8/17

$975

Best flights from Colorado to Serbia
Discover carefully curated flight deals from Colorado to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Mon 9/295:59 pmDEN - BEG

3 stops21h 16mMultiple Airlines

Mon 10/66:55 pmBEG - DEN

2 stops28h 40mMultiple Airlines

Deal found 8/15

$786

Mon 10/275:20 pmDEN - BEG

1 stop16h 45mLufthansa

Tue 11/46:10 amBEG - DEN

1 stop17h 50mLufthansa

Deal found 8/17

$895

Mon 10/278:45 amDEN - BEG

2 stops21h 05mAir Canada

Tue 11/46:10 amBEG - DEN

2 stops21h 45mAir Canada

Deal found 8/16

$921

Mon 9/86:00 amDEN - BEG

2 stops29h 35mTurkish Airlines

Mon 9/154:00 pmBEG - DEN

1 stop33h 55mTurkish Airlines

Deal found 8/17

$969

Fri 9/128:00 amDEN - BEG

2 stops30h 15mMultiple Airlines

Wed 9/247:00 amBEG - DEN

2 stops23h 02mMultiple Airlines

Deal found 8/17

$975

Mon 9/296:00 amDEN - BEG

2 stops42h 30mTurkish Airlines

Mon 10/64:00 pmBEG - DEN

1 stop33h 55mTurkish Airlines

Deal found 8/15

$978

Fri 9/126:00 amDEN - BEG

2 stops29h 35mTurkish Airlines

Wed 9/248:25 pmBEG - DEN

1 stop29h 30mTurkish Airlines

Deal found 8/17

$1,002

Last-minute flights from Colorado to Serbia
Discover last-minute flight deals from Colorado to Serbia. Data last updated August 18, 2025 and is based on user searches.

Sun 8/177:50 pmDEN - BEG

1 stop28h 40mTurkish Airlines

Sun 8/249:20 amBEG - DEN

1 stop16h 35mTurkish Airlines

Deal found 8/16

$1,001

Sun 8/247:50 pmDEN - BEG

1 stop28h 40mTurkish Airlines

Wed 9/38:25 pmBEG - DEN

1 stop29h 30mTurkish Airlines

Deal found 8/15

$703

Mon 8/2511:54 pmDEN - BEG

1 stop20h 51mJetBlue

Wed 9/37:45 amBEG - DEN

1 stop34h 55mJetBlue

Deal found 8/17

$1,519

Mon 8/256:00 amDEN - BEG

2 stops29h 35mTurkish Airlines

Wed 9/34:00 pmBEG - DEN

1 stop33h 55mTurkish Airlines

Deal found 8/16

$1,534

Mon 8/253:40 pmDEN - BEG

2 stops16h 50mMultiple Airlines

Wed 9/39:25 amBEG - DEN

1 stop14h 55mMultiple Airlines

Deal found 8/17

$1,651

Mon 9/86:00 amDEN - BEG

2 stops29h 35mTurkish Airlines

Mon 9/154:00 pmBEG - DEN

1 stop33h 55mTurkish Airlines

Deal found 8/17

$969

Fri 9/128:00 amDEN - BEG

2 stops30h 15mMultiple Airlines

Wed 9/247:00 amBEG - DEN

2 stops23h 02mMultiple Airlines

Deal found 8/17

$975

Fri 9/126:00 amDEN - BEG

2 stops29h 35mTurkish Airlines

Wed 9/248:25 pmBEG - DEN

1 stop29h 30mTurkish Airlines

Deal found 8/17

$1,002

Mon 9/295:59 pmDEN - BEG

3 stops21h 16mMultiple Airlines

Mon 10/66:55 pmBEG - DEN

2 stops28h 40mMultiple Airlines

Deal found 8/15

$786

Mon 9/296:00 amDEN - BEG

2 stops42h 30mTurkish Airlines

Mon 10/64:00 pmBEG - DEN

1 stop33h 55mTurkish Airlines

Deal found 8/15

$978

One-way flights from Colorado to Serbia
Search for one-way flight options from Colorado to Serbia. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Thu 8/287:00 amDEN - BEG

3 stops52h 55mMultiple Airlines

Deal found 8/15

$458

Fly from

Fly to

Route

Depart

Return

Price

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Mon 9/29

5:59 pm-11:15 pm

3 stops21h 16m

Belgrade Nikola Tesla

Mon 10/6

6:55 pm-3:35 pm

2 stops28h 40m

$786

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Mon 10/27

5:20 pm-5:05 pm

1 stop16h 45m

Belgrade Nikola Tesla

Tue 11/4

6:10 am-4:00 pm

1 stop17h 50m

$895

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Mon 10/27

8:45 am-12:50 pm

2 stops21h 05m

Belgrade Nikola Tesla

Tue 11/4

6:10 am-7:55 pm

2 stops21h 45m

$921

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Mon 9/8

6:00 am-7:35 pm

2 stops29h 35m

Belgrade Nikola Tesla

Mon 9/15

4:00 pm-5:55 pm

1 stop33h 55m

$969

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Fri 9/12

8:00 am-10:15 pm

2 stops30h 15m

Belgrade Nikola Tesla

Wed 9/24

7:00 am-10:02 pm

2 stops23h 02m

$975

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Mon 9/29

6:00 am-8:30 am

2 stops42h 30m

Belgrade Nikola Tesla

Mon 10/6

4:00 pm-5:55 pm

1 stop33h 55m

$978

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Fri 9/12

6:00 am-7:35 pm

2 stops29h 35m

Belgrade Nikola Tesla

Wed 9/24

8:25 pm-5:55 pm

1 stop29h 30m

$1,002

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Thu 8/28

7:00 am-7:55 pm

3 stops52h 55m

$458

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Thu 8/28

11:25 am-10:25 am

1 stop15h 00m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Colorado to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from Colorado with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Serbia

What is the cheapest time of day to fly from CO to RS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Serbia as you normally would.

Related info for your journey

Can I find deals for flights from Colorado to Serbia that include hotel bookings?
Yes. In addition to deals on Colorado to Serbia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Colorado to Serbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Serbia.
Can I find deals for business class flights from Colorado to Serbia?
Yes. Cheapflights offers flight deals from Colorado to Serbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Colorado to Serbia?
Currently, January is the cheapest month in which you can book a flight from Colorado to Serbia (average of $688). Flying from Colorado to Serbia in June is currently the most expensive (average of $1,174). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Colorado to Serbia

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Top 2 airlines flying from Colorado to Serbia

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$553	Average$876	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$735	Average$1,431	FlexibilityNo cancel fee	On-time76%

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$458+ Cheap flights from Colorado to Serbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Serbia with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Colorado to Serbia

Keep the following information in mind while searching for Colorado to Serbia flight deals. Data was last updated August 18, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to Serbia

Cheapest flights from Colorado to SerbiaExplore the most affordable flight options available from Colorado to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Colorado to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Serbia that are best for you.

Best time to book a flight from Colorado to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from Colorado with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Serbia

What is the cheapest time of day to fly from CO to RS?

Find hourly flight availability from Colorado to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Serbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Colorado to Serbia that include hotel bookings?

How can I find direct flights from Colorado to Serbia?

Can I find deals for business class flights from Colorado to Serbia?

What is the cheapest month to book a flight from Colorado to Serbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Serbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Colorado to Serbia

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Cheapest flights from Colorado to Serbia
Explore the most affordable flight options available from Colorado to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.