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$337+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BEG
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
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 julio 2, 2025.

Round-trip from

$708
(FlightHub)

One-way from

$337
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,037
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. 20% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 2, 2025.

This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/214:40 pmDEN - BEG
2 stops22h 05mMultiple Airlines
mié. 9/35:25 pmBEG - DEN
2 stops33h 30mMultiple Airlines
Deal found 6/30$676
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/247:50 pmDEN - BEG
1 stop35h 20mTurkish Airlines
mié. 9/38:25 pmBEG - DEN
1 stop29h 30mTurkish Airlines
Deal found 7/1$708
This Ovago deal was found by Cheapflights users on 6/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/255:50 pmDEN - BEG
1 stop17h 20mSWISS
mié. 9/39:25 amBEG - DEN
1 stop14h 55mSWISS
Deal found 6/30$963
This Gurufare deal was found by Cheapflights users on 7/1. 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.
lun. 8/44:15 pmDEN - BEG
1 stop16h 15mLufthansa
lun. 8/255:10 pmBEG - DEN
1 stop28h 35mLufthansa
Deal found 7/1$978
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/312:57 amDEN - BEG
2 stops27h 38mUnited Airlines
lun. 8/251:55 pmBEG - DEN
1 stop33h 40mUnited Airlines
Deal found 7/1$1,071

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 julio 2, 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

jue. 8/21

4:40 pm-10:45 pm

2 stops22h 05m

Belgrade Nikola Tesla

mié. 9/3

5:25 pm-6:55 pm

2 stops33h 30m

$676

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

dom. 8/24

7:50 pm-3:10 pm

1 stop35h 20m

Belgrade Nikola Tesla

mié. 9/3

8:25 pm-5:55 pm

1 stop29h 30m

$708

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

lun. 8/25

5:50 pm-7:10 pm

1 stop17h 20m

Belgrade Nikola Tesla

mié. 9/3

9:25 am-4:20 pm

1 stop14h 55m

$963

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

lun. 8/4

4:15 pm-4:30 pm

1 stop16h 15m

Belgrade Nikola Tesla

lun. 8/25

5:10 pm-1:45 pm

1 stop28h 35m

$978

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

dom. 8/3

12:57 am-12:35 pm

2 stops27h 38m

Belgrade Nikola Tesla

lun. 8/25

1:55 pm-3:35 pm

1 stop33h 40m

$1,071

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

mié. 9/17

6:55 pm-10:45 pm

3 stops43h 50m

$337

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

mié. 9/17

4:15 pm-4:25 pm

1 stop16h 10m

$689

DenverBelgrade

DEN - BEG

DENBEG

Denver Intl

lun. 7/7

11:54 pm-4:45 am

1 stop20h 51m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 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 $1,175). 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.

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 julio 2, 2025.

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.

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Serbia. Reviews last updated julio 2, 2025.
Get a feel of what it's like to fly with SWISS, United Airlines, and JetBlue from Colorado to Serbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,654 reviews

Food

7.1

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,654 reviews
SWISS
7.5
Good
1,654 reviews

Food

7.1

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,861 reviews
SWISS
7.5
Good
1,654 reviews

Food

7.1

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
JetBlue
7.3
Good
2,918 reviews
SWISS
7.5
Good
1,654 reviews

Food

7.1

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Turkish Airlines
7.3
Good
3,891 reviews
SWISS
7.5
Good
1,654 reviews

Food

7.1

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Lufthansa
6.8
Okay
7,205 reviews
SWISS
7.5
Good
1,654 reviews

Food

7.1

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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?

    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 $1,175). 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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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 julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$553Average$875FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$735Average$1,446FlexibilityNo cancel feeOn-time76%

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