Route guide

Sofia to El Astillero (SOF-SDR): Nonstop Upgrade & Award Space

Wizz Air flies nonstop from Sofia (SOF) to El Astillero (SDR) just twice a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

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

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2
Nonstop flights a week
1,370 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SOF to SDR 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 Sofia to El Astillero 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 SOF to SDR 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 SOF to SDR on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sofia to El Astillero nonstop

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

  • Wizz Air
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Frequently asked questions about SOF to SDR

How far is El Astillero from Sofia?
SOF to SDR covers about 1,370 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SOF to SDR?
Wizz Air is currently the only airline flying SOF to SDR nonstop. 2LNR tracks confirmed upgrade and award space on every Wizz Air departure.
How often does SOF to SDR operate?
The nonstop currently runs twice a week, on Wizz Air. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on SOF to SDR?
Open the SOF to SDR calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Sofia to El Astillero route, and 2LNR will notify you when space opens. It's free to start.

Never miss SOF to SDR upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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