Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Sofia to Colorado from $388

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Colorado departing on 12/13. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sofia to Colorado

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:10 am - 1:40 pmSOF-DEN
16h 30m1 stop
United Airlines Logo
9:20 pm - 10:45 pmDEN-SOF
17h 25m1 stop
$825United Airlines
Find Deal
Mon, Mar 2 - Sun, Mar 8
United Airlines Logo
6:20 am - 3:35 pmSOF-DEN
18h 15m1 stop
United Airlines Logo
8:20 pm - 11:10 pmDEN-SOF
17h 50m1 stop
$826United Airlines
Find Deal
Mon, Apr 20 - Tue, Apr 28
United Airlines Logo
6:20 am - 3:35 pmSOF-DEN
18h 15m1 stop
United Airlines Logo
1:45 pm - 6:40 pmDEN-SOF
19h 55m2 stops
$827United Airlines
Find Deal
Mon, Apr 20 - Thu, Apr 30
British Airways Logo
2:20 pm - 4:35 pmSOF-DEN
35h 15m1 stop
British Airways Logo
6:40 pm - 7:10 pmDEN-SOF
15h 30m1 stop
$830British Airways
Find Deal
Fri, Apr 24 - Sun, May 3
Air Canada Logo
6:00 am - 7:55 pmSOF-DEN
22h 55m2 stops
Air Canada Logo
9:58 am - 6:20 pmDEN-SOF
24h 22m2 stops
$833Air Canada
Find Deal
Tue, Mar 3 - Wed, Mar 11
Air Canada Logo
6:00 am - 5:44 pmSOF-DEN
20h 44m2 stops
Air Canada Logo
9:58 am - 6:20 pmDEN-SOF
24h 22m2 stops
$834Air Canada
Find Deal
Thu, Mar 5 - Wed, Mar 11
Lufthansa Logo
6:10 am - 6:45 pmSOF-DEN
21h 35m1 stop
Lufthansa Logo
4:05 pm - 11:10 pmDEN-SOF
22h 05m1 stop
$838Lufthansa
Find Deal
Fri, Apr 24 - Thu, Apr 30
Turkish Airlines Logo
4:00 pm - 5:35 pmSOF-DEN
34h 35m1 stop
Turkish Airlines Logo
8:20 pm - 8:50 pmDEN-SOF
16h 30m1 stop
$875Turkish Airlines
Find Deal
Mon, Mar 2 - Sat, Mar 14
Turkish Airlines Logo
9:40 pm - 6:35 pmSOF-DEN
28h 55m1 stop
Turkish Airlines Logo
8:20 pm - 8:50 pmDEN-SOF
16h 30m1 stop
$877Turkish Airlines
Find Deal
Wed, Mar 11 - Fri, Mar 20
Lufthansa Logo
6:05 am - 2:40 pmSOF-DEN
16h 35m2 stops
Lufthansa Logo
9:20 pm - 10:45 pmDEN-SOF
17h 25m2 stops
$881Lufthansa
Find Deal
Fri, Mar 13 - Thu, Mar 19

United Airlines flights from Sofia to Colorado

Our best United Airlines deals on Sofia to Colorado flight tickets
United Airlines
Mar 2
SOF6:10 amSofia
16h 30m
1 stop
DEN1:40 pmDenver Intl
Mar 8
DEN9:20 pmDenver Intl
17h 25m
1 stop
SOF10:45 pmSofia
$825
Find similar
United Airlines
Apr 20
SOF6:20 amSofia
18h 15m
1 stop
DEN3:35 pmDenver Intl
Apr 28
DEN8:20 pmDenver Intl
17h 50m
1 stop
SOF11:10 pmSofia
$826
Find similar
United Airlines
Apr 20
SOF6:20 amSofia
18h 15m
1 stop
DEN3:35 pmDenver Intl
Apr 30
DEN1:45 pmDenver Intl
19h 55m
2 stops
SOF6:40 pmSofia
$827
Find similar

Air Canada flights from Sofia to Colorado

Our best Air Canada deals on Sofia to Colorado flight tickets
Air Canada
Mar 3
SOF6:00 amSofia
22h 55m
2 stops
DEN7:55 pmDenver Intl
Mar 11
DEN9:58 amDenver Intl
24h 22m
2 stops
SOF6:20 pmSofia
$833
Find similar
Air Canada
Mar 5
SOF6:00 amSofia
20h 44m
2 stops
DEN5:44 pmDenver Intl
Mar 11
DEN9:58 amDenver Intl
24h 22m
2 stops
SOF6:20 pmSofia
$834
Find similar
Air Canada
Mar 16
SOF6:10 amSofia
21h 45m
2 stops
DEN7:55 pmDenver Intl
Mar 22
DEN5:30 pmDenver Intl
35h 55m
2 stops
SOF1:25 pmSofia
$835
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sofia to Colorado 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 November 6, 2025.
Use the filters below to find and compare flights from Sofia to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 3/2

6:10 am-1:40 pm

1 stop16h 30m

Denver Intl

Sun 3/8

9:20 pm-10:45 pm

1 stop17h 25m

$825

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/20

6:20 am-3:35 pm

1 stop18h 15m

Denver Intl

Tue 4/28

8:20 pm-11:10 pm

1 stop17h 50m

$826

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 4/20

6:20 am-3:35 pm

1 stop18h 15m

Denver Intl

Thu 4/30

1:45 pm-6:40 pm

2 stops19h 55m

$827

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Fri 4/24

2:20 pm-4:35 pm

1 stop35h 15m

Denver Intl

Sun 5/3

6:40 pm-7:10 pm

1 stop15h 30m

$830

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Tue 3/3

6:00 am-7:55 pm

2 stops22h 55m

Denver Intl

Wed 3/11

9:58 am-6:20 pm

2 stops24h 22m

$833

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Thu 3/5

6:00 am-5:44 pm

2 stops20h 44m

Denver Intl

Wed 3/11

9:58 am-6:20 pm

2 stops24h 22m

$834

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Fri 4/24

6:10 am-6:45 pm

1 stop21h 35m

Denver Intl

Thu 4/30

4:05 pm-11:10 pm

1 stop22h 05m

$838

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Mon 3/2

4:00 pm-5:35 pm

1 stop34h 35m

Denver Intl

Sat 3/14

8:20 pm-8:50 pm

1 stop16h 30m

$875

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Wed 3/11

9:40 pm-6:35 pm

1 stop28h 55m

Denver Intl

Fri 3/20

8:20 pm-8:50 pm

1 stop16h 30m

$877

SofiaDenver

SOF - DEN

SOFDEN

Sofia

Fri 3/13

6:05 am-2:40 pm

2 stops16h 35m

Denver Intl

Thu 3/19

9:20 pm-10:45 pm

2 stops17h 25m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Colorado from

How to get the cheapest flight ticket from Sofia to Colorado

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 Colorado?

The month of February is, on average, the cheapest month to fly to Colorado from Sofia, with most prices found around $745. The month of March is another great option to travel to Colorado, with average flight prices from Sofia averaging around $757.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Sofia to Colorado is on a Friday when prices can be found for as low as $778. On the other hand, Thursday is the most expensive day to depart from Sofia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $972.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $691. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $816 per ticket.

Can stopping save me money on Sofia to Colorado flights?

You could potentially save up to 2% on your flight if you consider stops on a Sofia to Colorado flight.

Cheap Sofia to Colorado flight deals and tips

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

Direct flights

None
There are no direct flights from Sofia to Colorado. There are no popular flight routes from Sofia to Colorado.
Search flight deals

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

    Prices for flights from Sofia Airport to Colorado are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Colorado.

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

    The required travel and health documents for your Colorado 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 license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sofia to Colorado

Compare and see reviews for airlines that fly from Sofia to Colorado with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $704Free CancellationRating
7.3
4,031 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $729Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
LufthansaPriceFrom $745Free CancellationRating
6.8
7,555 reviews
Search Lufthansa flights

Why use momondo?

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

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 Sofia to Colorado for you.

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

All flight searches from Sofia to Colorado on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Sofia to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Sofia to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/6
Sat 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $44
Flights to Los Angelesfrom $49
Flights to Miamifrom $49
Flights to Chicagofrom $54
Flights to Orlandofrom $49
Flights to Las Vegasfrom $42
Flights to San Franciscofrom $57
Flights to Washington, D.C.from $49
Flights to Bostonfrom $49
Flights to Atlantafrom $40
Flights to Dallasfrom $59
Flights to Seattlefrom $58