Typical price difference
-6%฿33,561 here compared with ฿35,848
One-way and roundtrip flights from Bangkok18°Mild
Flights to Sofia in September 2026
🏙️City🏔️Mountain
DepartureTue, Sep 15± 15 days
- Lowest fare
- ฿18,949 Sep 1
- Roundtrip from
- ฿31,802
- Typical roundtrip
- ฿33,561
Top deals
Flights and prices
Sofia: prices, dates and useful details
Planning a trip to Sofia? Compare dates, airlines, flight times and direct options from Bangkok. 30 one-way fares from ฿18,949 · 573 roundtrips from ฿31,802. These results are for september 2026.
- One way from
- ฿18,949
- 30 outbound-only options
- Roundtrip from
- ฿31,802
- 573 complete trips
- Typical roundtrip
- ฿33,561
- Half cost less, half cost more
- Flight options
- 573
- Roundtrips available
Saved searches
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Filters
Daily prices to Sofia15 days around September 15, 2026
AvgMinp25–p75
Cheapest
฿18,949
Sep 1
Global average
฿19,482
All travel dates
September avg
฿18,949
Selected month
Sort bySort by
Best Deals
Trip datesFlight itineraryTotal fareView
fri · Sep 11One way
Departurefri · Sep 11
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated by
Turkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
fri · Sep 18One way
Departurefri · Sep 18
One way2026
22:45BKK → SOF08:4511h 15m · 1 stop
2h 45m layover Istanbul
Outbound22:45BKK08:45SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
fri · Sep 25One way
Departurefri · Sep 25
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
fri · Sep 4One way
Departurefri · Sep 4
One way2026
11:10BKK → SOF20:2011h 25m · 1 stop
1h 45m layover Istanbul
Outbound11:10BKK20:20SOF11h 25m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
mon · Sep 14One way
Departuremon · Sep 14
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
mon · Sep 21One way
Departuremon · Sep 21
One way2026
21:45BKK → SOF08:4511h 30m · 1 stop
3h 30m layover Istanbul
Outbound21:45BKK08:45SOF11h 30m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
mon · Sep 28One way
Departuremon · Sep 28
One way2026
22:45BKK → SOF08:4511h 15m · 1 stop
2h 45m layover Istanbul
Outbound22:45BKK08:45SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
mon · Sep 7One way
Departuremon · Sep 7
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sat · Sep 12One way
Departuresat · Sep 12
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sat · Sep 19One way
Departuresat · Sep 19
One way2026
22:45BKK → SOF08:4511h 15m · 1 stop
2h 45m layover Istanbul
Outbound22:45BKK08:45SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sat · Sep 26One way
Departuresat · Sep 26
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sat · Sep 5One way
Departuresat · Sep 5
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sun · Sep 13One way
Departuresun · Sep 13
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sun · Sep 20One way
Departuresun · Sep 20
One way2026
22:45BKK → SOF08:4511h 15m · 1 stop
2h 45m layover Istanbul
Outbound22:45BKK08:45SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sun · Sep 27One way
Departuresun · Sep 27
One way2026
06:40BKK → SOF15:0011h 15m · 1 stop
1h 5m layover Istanbul
Outbound06:40BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
sun · Sep 6One way
Departuresun · Sep 6
One way2026
11:15BKK → SOF20:2011h 25m · 1 stop
1h 40m layover Istanbul
Outbound11:15BKK20:20SOF11h 25m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
thu · Sep 10One way
Departurethu · Sep 10
One way2026
22:45BKK → SOF08:4511h 15m · 1 stop
2h 45m layover Istanbul
Outbound22:45BKK08:45SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
thu · Sep 17One way
Departurethu · Sep 17
One way2026
22:45BKK → SOF08:4511h 15m · 1 stop
2h 45m layover Istanbul
Outbound22:45BKK08:45SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
thu · Sep 24One way
Departurethu · Sep 24
One way2026
11:15BKK → SOF20:2011h 25m · 1 stop
1h 40m layover Istanbul
Outbound11:15BKK20:20SOF11h 25m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
thu · Sep 3One way
Departurethu · Sep 3
One way2026
06:45BKK → SOF15:0011h 15m · 1 stop
1h layover Istanbul
Outbound06:45BKK15:00SOF11h 15m1 stop · via Istanbul
Operated byTurkish Airlines
Turkish Airlines฿18,949
฿19,482-3%
฿533 below average
Turkish AirlinesOne-way fare฿18,949฿19,482−3%Save ฿533View deal
Cheapest of September 2026
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
See the difference
September 2026 at a glance
Compare price, non-stop choice and travel time with other Sofia options.
Non-stop options
0%+0 points compared with other flights
Typical flight time
11h 15m0h 30m shorter than the comparison
Roundtrip options
573Trips ready to compare
Typical prices
What do Sofia roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Lowest฿31,802
Typical low฿31,815
Typical฿33,561
Typical high฿37,780
Flexible dates
Cheapest departure dates for Sofia
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿31,815
Sep 1
฿31,815
Sep 2
฿31,815
Sep 3
฿31,884
Sep 4
฿42,159
Sep 5
฿31,884
Sep 6
฿47,859
Sep 7
฿40,590
Sep 8
฿31,815
Sep 9
฿31,815
Sep 10
฿31,884
Sep 11
฿32,953
Sep 12
฿32,953
Sep 13
฿32,809
Sep 14
฿32,953
Sep 15
฿32,953
Sep 16
฿32,953
Sep 17
฿32,953
Sep 18
฿33,181
Sep 19
฿33,181
Sep 20
฿33,181
Sep 21
฿33,181
Sep 22
฿44,674
Sep 23
฿33,280
Sep 24
฿33,410
Sep 25
฿35,749
Sep 26
฿35,749
Sep 27
฿35,749
Sep 28
฿35,740
Sep 29
฿33,576
Sep 30
Flexible timing
Compare Sofia by travel month
Open a month to compare its dates, prices and available flights.
Airline comparison
Which airlines show the lowest Sofia fares?
Some trips combine airlines, so check both flights before you book.
| Comparison | Lowest | Typical range | Results | Non-stop |
|---|---|---|---|---|
| 1Austrian Airlines | ฿31,802 | ฿31,802–฿33,561 | 334 | 0% |
| 2Turkish Airlines | ฿31,802 | ฿31,815–฿36,979 | 570 | 0% |
| 3SWISS | ฿31,803 | ฿31,816–฿36,317 | 55 | 0% |
| 4Lufthansa | ฿31,884 | ฿31,884–฿37,780 | 75 | 0% |
| 5Thai Airways | ฿34,079 | ฿38,180–฿44,254 | 17 | — |
| 6Bulgaria Air | ฿46,402 | — | 2 | — |
| 7EVA Air | ฿48,464 | — | 1 | — |
Weather through the year
Typical temperatures in Sofia
Usual monthly temperatures can help you choose when to go. They are not a live forecast.
-1°Jan
2°Feb
6°Mar
11°Apr
16°May
20°Jun
22°Jul
22°Aug
18°Sep
12°Oct
6°Nov
1°Dec
Useful trip facts
What to know about Sofia
- Country
- Bulgaria
- Arrival code
- SOF
- Typical annual temperature
- 11°C
- Trip styles
- City, Mountain
- Typical outbound from Bangkok
- 11h 15m
- Typical stay
- 12 nights
Usual temperature, not a forecast
Why go
Why travelers consider Sofia
Bulgaria's ancient capital. Roman ruins, Ottoman baths, and mountain views at Europe's best-value destination.
Explore related searches
Common questions about Sofia
What is the lowest available one-way fare for Sofia?
The lowest available one-way fare is ฿18,949. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Sofia?
The lowest available roundtrip fare is ฿31,802. Check the dates, baggage and final total before booking.
What is a typical fare for Sofia?
A typical fare is ฿33,561. Many available options sit between ฿31,815 and ฿37,780.
How many choices are available for Sofia?
Choose from 573 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Sofia?
0 roundtrip flights are non-stop both ways. That is 0% of the current choices.
Which month has the lowest fares for Sofia?
Sep 2026 has the lowest available roundtrip fare, from ฿31,802.
When is the best time to fly from Bangkok to Sofia?
Based on current prices, September 2026 offers some of the best deals from Bangkok to Sofia. Check the month-by-month breakdown on this page for the cheapest times to fly.
Are there direct flights from Bangkok to Sofia?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Sofia.