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$368+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BEG
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$728
(Cheapflightsfares)

One-way from

$368
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$791
Provider with most accurate pricing for Denver Intl-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Belgrade Nikola Tesla flights.
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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. 17% potential increase in price ($210 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 November 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 November 26, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:20 pmDEN - BEG
1 stop16h 45mLufthansa
Wed 12/101:30 pmBEG - DEN
1 stop13h 25mLufthansa
Deal found 11/26$713
This Cheapflightsfares deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:35 pmDEN - BEG
2 stops31h 15mSWISS
Wed 12/109:40 amBEG - DEN
2 stops20h 16mSWISS
Deal found 11/26$732
This Gurufare deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:35 pmDEN - BEG
2 stops31h 15mMultiple Airlines
Wed 1/286:15 amBEG - DEN
1 stop15h 25mMultiple Airlines
Deal found 11/26$759
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:20 pmDEN - BEG
1 stop28h 50mTurkish Airlines
Tue 12/99:00 amBEG - DEN
1 stop16h 35mTurkish Airlines
Deal found 11/25$828
This oojo deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:20 pmDEN - BEG
1 stop28h 50mTurkish Airlines
Wed 1/148:15 pmBEG - DEN
1 stop29h 20mTurkish Airlines
Deal found 11/23$841
This Cheapflightsfares deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:20 pmDEN - BEG
1 stop16h 45mLufthansa
Wed 1/286:15 amBEG - DEN
1 stop15h 25mLufthansa
Deal found 11/26$897
This CrystalTravel deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:20 pmDEN - BEG
1 stop12h 25mMultiple Airlines
Wed 1/149:40 amBEG - DEN
2 stops36h 45mMultiple Airlines
Deal found 11/23$919
This CrystalTravel deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:35 pmDEN - BEG
2 stops36h 10mSWISS
Wed 1/149:40 amBEG - DEN
2 stops36h 45mSWISS
Deal found 11/23$927

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Serbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Colorado to Serbia that are best for you.

Fly from

Colorado

Fly to

Serbia

Route

Depart

Return

Price

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Wed 12/10

5:35 pm-8:50 am

2 stops31h 15m

Belgrade Nikola Tesla

Wed 1/28

9:40 am-9:59 pm

2 stops20h 19m

$732

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Wed 12/10

5:35 pm-8:50 am

2 stops31h 15m

Belgrade Nikola Tesla

Wed 1/28

6:15 am-1:40 pm

1 stop15h 25m

$759

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Thu 4/9

4:05 pm-12:20 pm

1 stop12h 15m

Belgrade Nikola Tesla

Wed 4/29

6:15 am-6:45 pm

1 stop20h 30m

$762

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Wed 2/11

4:20 pm-5:05 pm

1 stop16h 45m

Belgrade Nikola Tesla

Sun 2/15

6:15 am-1:40 pm

1 stop15h 25m

$794

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Tue 2/17

7:20 pm-2:25 pm

1 stop35h 05m

Belgrade Nikola Tesla

Tue 3/3

9:00 am-5:35 pm

1 stop16h 35m

$798

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Wed 2/11

11:15 am-12:45 pm

2 stops17h 30m

Belgrade Nikola Tesla

Sun 2/15

6:15 am-4:40 pm

2 stops42h 25m

$801

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Thu 4/9

8:25 pm-3:20 pm

1 stop34h 55m

Belgrade Nikola Tesla

Wed 4/29

8:20 pm-6:20 pm

1 stop30h 00m

$818

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Tue 1/13

5:35 pm-1:45 pm

2 stops36h 10m

Belgrade Nikola Tesla

Fri 2/27

9:40 am-10:56 pm

2 stops21h 16m

$845

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Tue 1/13

4:20 pm-12:45 pm

1 stop12h 25m

Belgrade Nikola Tesla

Fri 2/27

6:50 am-6:03 pm

2 stops19h 13m

$851

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

Sat 1/3

7:20 pm-2:25 pm

1 stop35h 05m

Belgrade Nikola Tesla

Mon 1/12

8:15 pm-5:35 pm

1 stop29h 20m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 18 results
1
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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?

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 November 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado to Serbia in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

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.

  • How long is the flight from Colorado to Serbia?

    SWISS and Lufthansa can get you from Colorado to Serbia in just under 12h 15m. Your travel time can differ by up to 19h. Colorado and Serbia are separated by a distance of 5660 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Colorado to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Colorado to Serbia

Discover the top 2 airlines that operate flights from Colorado to Serbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$553Average$803FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$735Average$1,396FlexibilityNo cancel feeOn-time76%

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