Route guide

Kremasti to Sofia (RHO-SOF): Nonstop Upgrade & Award Space

Ryanair and Wizz Air fly the RHO to SOF nonstop about 4 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every RHO to SOF departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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4
Nonstop flights a week
501 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every RHO to SOF departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Kremasti to Sofia to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each RHO to SOF departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See RHO to SOF on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Kremasti to Sofia nonstop

Carriers operating RHO to SOF nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Ryanair
  • Wizz Air
See RHO to SOF on the interactive map →

Frequently asked questions about RHO to SOF

How far is Sofia from Kremasti?
RHO to SOF covers about 501 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from RHO to SOF?
Ryanair and Wizz Air fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from RHO to SOF?
About 4 nonstop flights a week run between Kremasti and Sofia in the current schedule, operated by Ryanair and Wizz Air. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on RHO to SOF?
Open the RHO to SOF calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Kremasti to Sofia route, and 2LNR will notify you when space opens. It's free to start.

Never miss RHO to SOF upgrade or award space

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