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Cheap flights from Colorado to Bulgaria from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Bulgaria departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Colorado to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:25 pm - 8:15 pm
DEN
-
SOF
14h 50m
1 stop
Turkish Airlines Logo
9:35 am - 6:25 pm
SOF
-
DEN
17h 50m
1 stop
$598Turkish Airlines
Thu, Apr 16 - Sun, May 3
Turkish Airlines Logo
8:25 pm - 8:15 pm
DEN
-
SOF
14h 50m
1 stop
Turkish Airlines Logo
9:35 am - 6:25 pm
SOF
-
DEN
17h 50m
1 stop
$600Turkish Airlines
Sun, Apr 19 - Sat, May 30
Turkish Airlines Logo
8:25 pm - 8:45 am
DEN
-
SOF
27h 20m
1 stop
Turkish Airlines Logo
9:05 pm - 6:25 pm
SOF
-
DEN
30h 20m
1 stop
$606Turkish Airlines
Tue, Apr 14 - Wed, Apr 22
Turkish Airlines Logo
8:25 pm - 3:00 pm
DEN
-
SOF
33h 35m
1 stop
Turkish Airlines Logo
9:35 am - 6:25 pm
SOF
-
DEN
17h 50m
1 stop
$609Turkish Airlines
Sun, Apr 19 - Sun, Apr 26
Turkish Airlines Logo
8:25 pm - 8:15 pm
DEN
-
SOF
14h 50m
1 stop
Turkish Airlines Logo
9:35 am - 6:25 pm
SOF
-
DEN
17h 50m
1 stop
$637Turkish Airlines
Sat, Apr 18 - Sat, May 30
Turkish Airlines Logo
8:25 pm - 8:15 pm
DEN
-
SOF
14h 50m
1 stop
Turkish Airlines Logo
3:50 pm - 6:25 pm
SOF
-
DEN
35h 35m
1 stop
$653Turkish Airlines
Sat, Apr 18 - Fri, May 29
Lufthansa Logo
1:33 pm - 6:40 pm
GJT
-
SOF
20h 07m
2 stops
Lufthansa Logo
6:10 am - 8:36 pm
SOF
-
GJT
23h 26m
2 stops
$691Lufthansa
Tue, Aug 4 - Tue, Aug 25
Multiple Airlines Logo
1:33 pm - 11:00 pm
GJT
-
SOF
24h 27m
2 stops
Multiple Airlines Logo
11:35 am - 12:28 pm
SOF
-
GJT
33h 53m
3 stops
$770Multiple Airlines
Tue, Aug 4 - Tue, Aug 25
Multiple Airlines Logo
5:30 am - 11:00 am
GJT
-
SOF
20h 30m
3 stops
Multiple Airlines Logo
6:10 am - 8:36 pm
SOF
-
GJT
23h 26m
2 stops
$782Multiple Airlines
Tue, Aug 4 - Tue, Aug 25
Air Canada Logo
5:30 am - 11:00 am
GJT
-
SOF
20h 30m
3 stops
Air Canada Logo
11:35 am - 12:28 pm
SOF
-
GJT
33h 53m
3 stops
$786Air Canada
Tue, Aug 4 - Tue, Aug 25

Lufthansa flights from Colorado to Bulgaria

Our best Lufthansa deals on Colorado to Bulgaria flight tickets
Lufthansa
Aug 4
GJT1:33 pmGrand Junction Regnl
20h 07m
2 stops
SOF6:40 pmSofia
Aug 25
SOF6:10 amSofia
23h 26m
2 stops
GJT8:36 pmGrand Junction Regnl
$691
Lufthansa
Aug 19
DEN4:15 pmDenver Intl
17h 25m
1 stop
SOF6:40 pmSofia
Sep 2
SOF1:50 pmSofia
18h 44m
2 stops
DEN11:34 pmDenver Intl
$771
Lufthansa
May 4
DEN4:05 pmDenver Intl
17h 35m
1 stop
SOF6:40 pmSofia
Jun 3
SOF6:20 amSofia
18h 20m
1 stop
DEN3:40 pmDenver Intl
$776

Turkish Airlines flights from Colorado to Bulgaria

Our best Turkish Airlines deals on Colorado to Bulgaria flight tickets
Turkish Airlines
Apr 16
DEN8:25 pmDenver Intl
14h 50m
1 stop
SOF8:15 pmSofia
May 3
SOF9:35 amSofia
17h 50m
1 stop
DEN6:25 pmDenver Intl
$598
Turkish Airlines
Apr 19
DEN8:25 pmDenver Intl
14h 50m
1 stop
SOF8:15 pmSofia
May 30
SOF9:35 amSofia
17h 50m
1 stop
DEN6:25 pmDenver Intl
$600
Turkish Airlines
Apr 14
DEN8:25 pmDenver Intl
27h 20m
1 stop
SOF8:45 amSofia
Apr 22
SOF9:05 pmSofia
30h 20m
1 stop
DEN6:25 pmDenver Intl
$606

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Bulgaria 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, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Colorado to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Thu 4/16

8:25 pm-8:15 pm

1 stop14h 50m

Sofia

Sun 5/3

9:35 am-6:25 pm

1 stop17h 50m

$598

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sun 4/19

8:25 pm-8:15 pm

1 stop14h 50m

Sofia

Sat 5/30

9:35 am-6:25 pm

1 stop17h 50m

$600

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Tue 4/14

8:25 pm-8:45 am

1 stop27h 20m

Sofia

Wed 4/22

9:05 pm-6:25 pm

1 stop30h 20m

$606

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sun 4/19

8:25 pm-3:00 pm

1 stop33h 35m

Sofia

Sun 4/26

9:35 am-6:25 pm

1 stop17h 50m

$609

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sat 4/18

8:25 pm-8:15 pm

1 stop14h 50m

Sofia

Sat 5/30

9:35 am-6:25 pm

1 stop17h 50m

$637

DenverSofia

DEN - SOF

DENSOF

Denver Intl

Sat 4/18

8:25 pm-8:15 pm

1 stop14h 50m

Sofia

Fri 5/29

3:50 pm-6:25 pm

1 stop35h 35m

$653

Grand JunctionSofia

GJT - SOF

GJTSOF

Grand Junction Regnl

Tue 8/4

1:33 pm-6:40 pm

2 stops20h 07m

Sofia

Tue 8/25

6:10 am-8:36 pm

2 stops23h 26m

$691

Grand JunctionSofia

GJT - SOF

GJTSOF

Grand Junction Regnl

Tue 8/4

1:33 pm-11:00 pm

2 stops24h 27m

Sofia

Tue 8/25

11:35 am-12:28 pm

3 stops33h 53m

$770

Grand JunctionSofia

GJT - SOF

GJTSOF

Grand Junction Regnl

Tue 8/4

5:30 am-11:00 am

3 stops20h 30m

Sofia

Tue 8/25

6:10 am-8:36 pm

2 stops23h 26m

$782

Grand JunctionSofia

GJT - SOF

GJTSOF

Grand Junction Regnl

Tue 8/4

5:30 am-11:00 am

3 stops20h 30m

Sofia

Tue 8/25

11:35 am-12:28 pm

3 stops33h 53m

$786

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from Colorado to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $627.

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $772 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Colorado for as low as $642 on momondo.

Can stopping save me money on Colorado to Bulgaria flights?

You could potentially save up to 33% on your flight if you consider stops on a Colorado to Bulgaria flight.

Cheap Colorado to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Bulgaria

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Colorado to Bulgaria takes 14h 50m
There are no direct flights from Colorado to Bulgaria. There are no popular flight routes from Colorado to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Bulgaria?

    Prices for flights from Colorado to Bulgaria are updated daily.

  • How many operators does momondo search for flights from Colorado to Bulgaria?

  • How old do you have to be to fly from Colorado to Bulgaria?

    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 layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Bulgaria

Compare and see reviews for airlines that fly from Colorado to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $568Free CancellationRating
7.4
4,281 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $577Free CancellationRating
6.8
7,869 reviews
Search Lufthansa flights
United AirlinesPriceFrom $656Free CancellationRating
7.4
9,479 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Bulgaria?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Bulgaria for you.

Can I find flights from Colorado to Bulgaria with flexible booking policies on momondo?

Yes. All flights to Bulgaria from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado to Bulgaria?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bulgaria from Colorado.

I’m not ready to book a flight from Colorado to Bulgaria right now. Can momondo alert me if prices change?

Price alerts on flights to Bulgaria from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Bulgaria trip

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