Raleigh (RDU) to Sofia (SOF) flights from USD1,033

*Modifying this information may result in a different fare

*All amounts are in USD. Taxes and surcharges are included. No booking fee is applicable. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees may apply.

Why book directly on the KLM website?

Explore the benefits of booking through our website.

No hidden costs icon

No hidden costs

Book with confidence. Our rates hide no unpleasant surprises.

24/7 customer service icon

24/7 customer service

Count on direct, personal support whenever you need it, day or night.

Seamless travel icon

Seamless travel

Enjoy a smooth journey with timely updates and automatic rebooking.

Lowest fares between Raleigh and Sofia

cmp-daily-histogram-bars-legend-min-price-aria-label USD1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label USD4.5K
Displaying fares for September-2026
  • RDU–SOF, 09/29/2026 – 10/20/2026: From USD3,977
    29

    Tu

    SEP

  • RDU–SOF, 09/30/2026 – 10/03/2026: From USD1,700
    30

    We

  • RDU–SOF, 10/01/2026 – 10/08/2026: From USD4,500
    01

    Th

    OCT

  • RDU–SOF, 10/02/2026 – 10/30/2026: From USD1,713
    02

    Fr

  • RDU–SOF, 10/03/2026 – 10/31/2026: From USD1,814
    03

    Sa

  • RDU–SOF, 10/04/2026 – 10/11/2026: From USD1,376
    04

    Su

  • RDU–SOF, 10/05/2026 – 11/02/2026: From USD1,268
    05

    Mo

  • RDU–SOF, 10/06/2026 – 11/03/2026: From USD3,913
    06

    Tu

  • RDU–SOF, 10/07/2026 – 10/10/2026: From USD1,575
    07

    We

  • RDU–SOF, 10/08/2026 – 11/05/2026: From USD3,925
    08

    Th

  • RDU–SOF, 10/09/2026 – 11/06/2026: From USD1,398
    09

    Fr

  • RDU–SOF, 10/10/2026 – 11/07/2026: From USD1,476
    10

    Sa

  • RDU–SOF, 10/11/2026 – 11/08/2026: From USD1,226
    11

    Su

  • RDU–SOF, 10/12/2026 – 11/02/2026: From USD1,217
    12

    Mo

  • RDU–SOF, 10/13/2026 – 11/03/2026: From USD4,050
    13

    Tu

  • RDU–SOF, 10/14/2026 – 10/17/2026: From USD1,850
    14

    We

  • RDU–SOF, 10/15/2026 – 11/05/2026: From USD3,925
    15

    Th

  • RDU–SOF, 10/16/2026 – 11/13/2026: From USD1,488
    16

    Fr

  • RDU–SOF, 10/17/2026 – 11/14/2026: From USD1,751
    17

    Sa

  • RDU–SOF, 10/18/2026 – 11/08/2026: From USD1,426
    18

    Su

  • RDU–SOF, 10/19/2026 – 11/02/2026: From USD3,996
    19

    Mo

  • RDU–SOF, 10/20/2026 – 11/03/2026: From USD1,655
    20

    Tu

  • RDU–SOF, 10/21/2026 – 10/24/2026: From USD1,693
    21

    We

  • RDU–SOF, 10/22/2026 – 11/05/2026: From USD3,925
    22

    Th

  • RDU–SOF, 10/23/2026 – 11/06/2026: From USD1,288
    23

    Fr

  • RDU–SOF, 10/24/2026 – 11/07/2026: From USD1,288
    24

    Sa

  • RDU–SOF, 10/25/2026 – 11/22/2026: From USD1,238
    25

    Su

  • RDU–SOF, 10/26/2026 – 11/02/2026: From USD1,082
    26

    Mo

  • RDU–SOF, 10/27/2026 – 11/03/2026: From USD3,894
    27

    Tu

  • RDU–SOF, 10/28/2026 – 10/31/2026: From USD1,382
    28

    We

  • RangeUSD1,082-USD4,500