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Flights from Sofia to Castries

Search cheap flights from Sofia to Castries in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at €572, and round-trip tickets start at €1,006.

      • SOF 21:05
        25h
        1 stop
        UVF 15:05
        Sofia - Castries | Thu, Jun 25 | British Airways
        UVF 20:30
        16h 40m
        1 stop
        SOF 20:10
        Castries - Sofia | Wed, Jul 1 | British Airways
        €1,006 €1,131
        11% off
        11% off
        €1,131 €1,006
      • SOF 13:00
        17h 25m
        1 stop
        SLU 14:00
        Sofia - Castries | Sun, May 24 | Normal Airline
        SLU 15:00
        6h
        Nonstop
        SOF 16:00
        Castries - Sofia | Tue, May 26 | Normal Airline
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        Find more flights
      • SOF 14:15
        31h 50m
        1 stop
        UVF 15:05
        Sofia - Castries | Tue, Jun 16 | British Airways
        €572 €661
        13% off
        13% off
        €661 €572
      • SOF 21:25
        24h 45m
        1 stop
        UVF 15:10
        Sofia - Castries | Sun, Jun 14 | British Airways
        €588 €661
        11% off
        11% off
        €661 €588
      • SOF 13:00
        17h 25m
        1 stop
        SLU 14:00
        Sofia - Castries | Sun, May 24 | Normal Airline
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        Find more flights

Displayed flight fares from Sofia to Castries are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Sofia to Castries (SOF-SLU)?

    Based on Trip.com data, British Airways offers one-way fares as low as €572 on Cheapest nonstop routes (e.g. SOF to UVF on Tue, Jun 16), while British Airways offers Cheapest nonstop round-trips from €1,006 departing on Thu, Jun 25 and returning on Wed, Jul 1.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sofia to Castries is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Sofia to Castries, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Jun 16, with one-way flights priced at just €572.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is British Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Castries travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Sofia to Castries is December, when demand for travel is lower.
  • The time difference between Castries and Sofia is 6h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.