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Cheap flights from Sofia to Istanbul from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Istanbul departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sofia to Istanbul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
4:00 pm - 6:30 pm
SOF
-
IST
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pm
IST
-
SOF
1h 20mnonstop
$137Turkish Airlines
Thu, Feb 5 - Mon, Feb 9
Turkish Airlines Logo
9:40 pm - 12:15 am
SOF
-
IST
1h 35mnonstop
Turkish Airlines Logo
2:50 pm - 3:10 pm
IST
-
SOF
1h 20mnonstop
$138Turkish Airlines
Tue, Jan 20 - Sat, Jan 31
Turkish Airlines Logo
4:00 pm - 6:30 pm
SOF
-
IST
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pm
IST
-
SOF
1h 20mnonstop
$140Turkish Airlines
Mon, Jan 12 - Mon, Jan 19
Turkish Airlines Logo
4:00 pm - 6:30 pm
SOF
-
IST
1h 30mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pm
IST
-
SOF
1h 20mnonstop
$141Turkish Airlines
Mon, Feb 16 - Sat, Feb 21
Turkish Airlines Logo
9:40 pm - 12:15 am
SOF
-
IST
1h 35mnonstop
Turkish Airlines Logo
8:30 pm - 8:50 pm
IST
-
SOF
1h 20mnonstop
$142Turkish Airlines
Thu, Jan 15 - Thu, Jan 22
Turkish Airlines Logo
3:50 pm - 5:20 pm
SOF
-
IST
1h 30mnonstop
Turkish Airlines Logo
6:55 pm - 8:15 pm
IST
-
SOF
1h 20mnonstop
$143Turkish Airlines
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
6:00 am - 9:05 pm
SOF
-
IST
14h 05m1 stop
Multiple Airlines Logo
11:00 pm - 1:30 pm
IST
-
SOF
15h 30m1 stop
$144Multiple Airlines
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
6:10 am - 9:05 pm
SOF
-
IST
13h 55m1 stop
Multiple Airlines Logo
2:50 pm - 3:10 pm
IST
-
SOF
1h 20mnonstop
$148Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
6:10 am - 9:05 pm
SOF
-
IST
13h 55m1 stop
Multiple Airlines Logo
10:00 pm - 1:20 pm
IST
-
SOF
16h 20m1 stop
$151Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
6:00 am - 9:05 pm
SOF
-
IST
14h 05m1 stop
Multiple Airlines Logo
11:00 pm - 1:30 pm
IST
-
SOF
15h 30m1 stop
$152Multiple Airlines
Thu, Jan 29 - Mon, Feb 2

Turkish Airlines flights from Sofia to Istanbul Airport

Our best Turkish Airlines deals on Sofia to Istanbul Airport flight tickets
Turkish Airlines
Feb 5
SOF4:00 pmSofia
1h 30m
IST6:30 pmIstanbul
Feb 9
IST8:30 pmIstanbul
1h 20m
SOF8:50 pmSofia
$137
Find similar
Turkish Airlines
Jan 20
SOF9:40 pmSofia
1h 35m
IST12:15 amIstanbul
Jan 31
IST2:50 pmIstanbul
1h 20m
SOF3:10 pmSofia
$138
Find similar
Turkish Airlines
Jan 12
SOF4:00 pmSofia
1h 30m
IST6:30 pmIstanbul
Jan 19
IST8:30 pmIstanbul
1h 20m
SOF8:50 pmSofia
$140
Find similar

Air Serbia flights from Sofia to Istanbul Airport

Our best Air Serbia deals on Sofia to Istanbul Airport flight tickets
Air Serbia
Feb 5
SOF4:00 pmSofia
11h 10m
1 stop
IST4:10 amIstanbul
Feb 9
IST5:30 amIstanbul
11h 00m
1 stop
SOF3:30 pmSofia
$204
Find similar
Air Serbia
Feb 5
SOF4:00 pmSofia
22h 55m
1 stop
IST3:55 pmIstanbul
Feb 13
IST5:20 amIstanbul
11h 10m
1 stop
SOF3:30 pmSofia
$205
Find similar
Air Serbia
Dec 18
SOF4:00 pmSofia
11h 20m
1 stop
IST4:20 amIstanbul
Dec 25
IST5:20 amIstanbul
11h 10m
1 stop
SOF3:30 pmSofia
$454
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sofia to Istanbul Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Sofia to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 2/5

4:00 pm-6:30 pm

Nonstop1h 30m

Istanbul

Mon 2/9

8:30 pm-8:50 pm

Nonstop1h 20m

$137

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Tue 1/20

9:40 pm-12:15 am

Nonstop1h 35m

Istanbul

Sat 1/31

2:50 pm-3:10 pm

Nonstop1h 20m

$138

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Mon 1/12

4:00 pm-6:30 pm

Nonstop1h 30m

Istanbul

Mon 1/19

8:30 pm-8:50 pm

Nonstop1h 20m

$140

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Mon 2/16

4:00 pm-6:30 pm

Nonstop1h 30m

Istanbul

Sat 2/21

8:30 pm-8:50 pm

Nonstop1h 20m

$141

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 1/15

9:40 pm-12:15 am

Nonstop1h 35m

Istanbul

Thu 1/22

8:30 pm-8:50 pm

Nonstop1h 20m

$142

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Sat 5/2

3:50 pm-5:20 pm

Nonstop1h 30m

Istanbul

Wed 5/6

6:55 pm-8:15 pm

Nonstop1h 20m

$143

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 2/5

6:00 am-9:05 pm

1 stop14h 05m

Istanbul

Mon 2/9

11:00 pm-1:30 pm

1 stop15h 30m

$144

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Tue 1/13

6:10 am-9:05 pm

1 stop13h 55m

Istanbul

Tue 1/20

2:50 pm-3:10 pm

Nonstop1h 20m

$148

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Tue 1/13

6:10 am-9:05 pm

1 stop13h 55m

Istanbul

Tue 1/20

10:00 pm-1:20 pm

1 stop16h 20m

$151

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 1/29

6:00 am-9:05 pm

1 stop14h 05m

Istanbul

Mon 2/2

11:00 pm-1:30 pm

1 stop15h 30m

$152

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from Sofia to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sofia and Istanbul Airport?

What is the cheapest month to fly to Istanbul Airport?

In general, January is the cheapest month to fly from Sofia to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $107. If you don’t want to visit Istanbul Airport in January, then you should wait until March to fly from Sofia, when ticket prices are also cheap, with an average price of $107.

What is the cheapest day to depart on your flight to Istanbul Airport?

Our data shows that Monday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $808. On the other hand, Sunday is the most expensive day to depart from Sofia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $865.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

At noon is the cheapest time of day to fly from Sofia to Istanbul Airport when you can find flight prices for as low as $256. Flying to Istanbul Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $917.

What is the cheapest Sofia to Istanbul flight route?

Fly from Sofia to Istanbul for the best Sofia - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $130 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Sofia for as low as $110 on momondo.

What cabin class options are available on Sofia to Istanbul flights?

There are 3 cabin classes available to choose from on Sofia to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sofia to Istanbul Airport flight prices changed over time?

As of December 2025, prices for Sofia to Istanbul Airport flights are approximately 54% cheaper when compared to flights at the same time last year.

When to book flights from Sofia to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sofia to Istanbul Airport (SOF to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Istanbul Airport

Best Price Found

$428

Fastest flight time

1h 15m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Sofia in the past 72 hours is $428. The best round-trip flight deal from Sofia to Istanbul Airport found on momondo in the last 72 hours is $841.
The fastest flight from Sofia to Istanbul Airport takes 1h 15m
Direct flights go from Sofia to Istanbul Airport every day.
Search flight deals

  • How far is Sofia to Istanbul by plane?

    There are 294.8 mi between Sofia and Istanbul. By plane, this route typically takes 1h 15m.

  • When did momondo last update prices for flights from Sofia Airport to Istanbul Airport?

    Prices for flights from Sofia Airport to Istanbul Airport are updated daily.

  • How many operators does momondo search for flights from Sofia Airport to Istanbul Airport?

  • How old do you have to be to fly from Sofia Airport to Istanbul Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The necessary travel and health documents for your Istanbul Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Sofia to Istanbul Airport?

  • What is the most popular airline from Sofia to Istanbul Airport?

Best airlines flying from Sofia to Istanbul Airport

Compare and see reviews for airlines that fly from Sofia to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
Pegasus AirlinesPriceFrom $87Free CancellationRating
6.7
637 reviews
Search Pegasus Airlines flights
Turkish AirlinesPriceFrom $134Free CancellationRating
7.3
4,105 reviews
Search Turkish Airlines flights

  • Turkish Airlines Flights From Sofia to Istanbul Airport

    Turkish Airlines operates around 16 flights from Sofia to Istanbul Airport every week. The average price of these flights found in the last 72 hours has been $206, but momondo users have found Turkish Airlines deals from Sofia to Istanbul Airport from as low as $134 round-trip. Turkish Airlines has been scored 7.3/10 in 4,105 reviews.

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Istanbul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sofia to Istanbul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sofia to Istanbul with flexible booking policies on momondo?

Yes. All flights to Istanbul from Sofia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sofia to Istanbul?

Once you have performed a search for Sofia to Istanbul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sofia to Istanbul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Istanbul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Istanbul Airport trip

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