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Flights from Chiang Rai to Sofia

What to know about flights from Chiang Rai to Sofia?

The approximate distance between Chiang Rai and Sofia is 7,434.77 km. According to Trip.com data, travel demand hits its peak in August.

Cheapest one-way
AU$925
Thai Vietjet Air Thai Vietjet Air CEI-SOF 39h 55m · 2 stops Thu, Sep 10
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Recommended airlines
Thai Vietjet Air Thai Vietjet Air Cheapest · From AU$925
When to fly
October
Cheapest
August
Peak season
Route details
7,434.77 km
Flight distance

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        SOF 15:00
        6h
        Nonstop
        CEI 16:00
        Sofia - Chiang Rai | Mon, Aug 24 | Normal Airline
        Search
        Search
      • CEI 08:25
        39h 55m
        2 stops
        SOF 20:20
        Chiang Rai - Sofia | Thu, Sep 10 | Thai Vietjet Air
        AU$925 AU$1,328
        30% off
        30% off
        AU$1,328 AU$925
      • CEI 10:20
        29h 25m
        2 stops
        SOF 11:45
        Chiang Rai - Sofia | Thu, Sep 10 | Thai AirAsia
        AU$926 AU$1,328
        30% off
        30% off
        AU$1,328 AU$926
      • CEI 13:40
        34h 40m
        2 stops
        SOF 20:20
        Chiang Rai - Sofia | Thu, Sep 10 | Thai Airways
        AU$956 AU$1,328
        28% off
        28% off
        AU$1,328 AU$956
      • CEI 13:00
        17h 25m
        1 stop
        SOF 14:00
        Chiang Rai - Sofia | Sat, Aug 22 | Normal Airline
        More cheap flights
        More cheap flights

Frequently Asked Questions

  • When is the best time to book flights from Chiang Rai to Sofia?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chiang Rai to Sofia 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 Chiang Rai to Sofia, 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 Thu, Sep 10, with one-way flights priced at just AU$925.
    · 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 Sofia travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chiang Rai to Sofia is October, when demand for travel is lower.
  • The time difference between Sofia and Chiang Rai is 5h.
  • 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.
  • Enter Chiang Rai and Sofia, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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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.