Your next trip, last seen at €423
Lowest observedRyanair · 3 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €423, departing 17 Nov 2026 (Last checked: 21 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Air Europa, Air Serbia, Alaska Airlines, British Airways, Bulgaria Air, French Bee, Frontier Airlines, Icelandair, JetBlue, Lufthansa, Norse, Ryanair, Turkish Airlines, United Airlines, Wizz Air (15)
- Typical journey time
- 30h 40m
About this route
Explore the fares we observed from Sofia to Denver. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,477 km
- Typical journey time
- 30h 40m
- Seen on fares with a connection
- Ryanair, Turkish Airlines, Lufthansa, Wizz Air, Icelandair, Air Serbia, Alaska Airlines, British Airways, Frontier Airlines, United Airlines, Air Europa (11)
- Alternative airports
- APA
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Sofia Airport (SOF) → Sofia, city gazetteer reference point (42.6977, 23.3219): ≈ 7 km.
- Denver International Airport (DEN) → Denver, city gazetteer reference point (39.7392, -104.9847): ≈ 30 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Sofia to Denver: Ryanair, from €423 (checked 21 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Ryanair | €423Nov 17, 2026 | 32 |
| Wizz Air | €428Jan 21, 2027 | 9 |
| Turkish Airlines | €792Jan 10, 2027 | 22 |
| Lufthansa | €872Nov 27, 2026 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Sofia to Denver?
The lowest fare Routavio has observed is €423, found on 21 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Sofia to Denver?
In our observations November 2026 is the cheapest month so far, at €423.
Are there direct flights from Sofia to Denver?
Our data holds no non-stop flight from Sofia to Denver. The fares on this page include at least one stop.
Which airlines fly from Sofia to Denver?
Routavio has seen these carriers on the route: Air Europa, Air Serbia, Alaska Airlines, British Airways, Bulgaria Air, French Bee, Frontier Airlines, Icelandair, JetBlue, Lufthansa, Norse, Ryanair, Turkish Airlines, United Airlines, Wizz Air (15).
How long does the flight from Sofia to Denver take?
Across the 87 fares Routavio observed, the average journey time is 34h 05m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Sofia to Denver fares were non-stop?
None of the 87 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Sofia to Denver?
Cheapest airline from Sofia to Denver: Ryanair, from €423 (checked 21 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.