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Cheap flights from Sofia to Istanbul from $57

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 10/15. 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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Find the cheapest flights from Sofia to Istanbul

Cheap round-trip flights

Logo
8:20 pm - 8:30 amSOF-IST
12h 10m1 stop
Logo
7:20 am - 8:35 amIST-SOF
1h 15mnonstop
$137
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Sun, Sep 14 - Sun, Sep 21
Turkish Airlines Logo
3:35 pm - 5:10 pmSOF-IST
1h 35mnonstop
Turkish Airlines Logo
1:20 pm - 2:45 pmIST-SOF
1h 25mnonstop
$138Turkish Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15
Turkish Airlines Logo
3:35 pm - 5:10 pmSOF-IST
1h 35mnonstop
Turkish Airlines Logo
1:20 pm - 2:45 pmIST-SOF
1h 25mnonstop
$139Turkish Airlines
Find Deal
Tue, Sep 2 - Thu, Sep 4
Turkish Airlines Logo
3:35 pm - 5:10 pmSOF-IST
1h 35mnonstop
Turkish Airlines Logo
1:20 pm - 2:45 pmIST-SOF
1h 25mnonstop
$140Turkish Airlines
Find Deal
Fri, Aug 22 - Mon, Sep 22
Turkish Airlines Logo
3:35 pm - 5:10 pmSOF-IST
1h 35mnonstop
Turkish Airlines Logo
1:20 pm - 2:45 pmIST-SOF
1h 25mnonstop
$142Turkish Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Turkish Airlines Logo
3:35 pm - 5:10 pmSOF-IST
1h 35mnonstop
Turkish Airlines Logo
1:20 pm - 2:45 pmIST-SOF
1h 25mnonstop
$143Turkish Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22
Logo
9:15 pm - 9:50 amSOF-IST
12h 35m1 stop
Logo
1:20 pm - 2:45 pmIST-SOF
1h 25mnonstop
$165
Find Deal
Mon, Sep 8 - Mon, Sep 15
Aegean Airlines Logo
3:20 pm - 8:00 pmSOF-IST
4h 40m1 stop
Aegean Airlines Logo
4:35 am - 2:30 pmIST-SOF
9h 55m1 stop
$223Aegean Airlines
Find Deal
Tue, Sep 2 - Thu, Sep 4
Aegean Airlines Logo
4:00 pm - 2:20 amSOF-IST
10h 20m1 stop
Aegean Airlines Logo
4:35 am - 10:00 amIST-SOF
5h 25m1 stop
$274Aegean Airlines
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Wed, Aug 20 - Mon, Sep 22
Lufthansa Logo
7:25 pm - 9:20 pmSOF-IST
25h 55m2 stops
Lufthansa Logo
2:00 pm - 10:50 pmIST-SOF
8h 50m1 stop
$275Lufthansa
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Mon, Aug 18 - Tue, Sep 23

LOT flights from Sofia to Istanbul Airport

Our best LOT deals on Sofia to Istanbul Airport flight tickets
LOT
Aug 9
SOF6:40 pmSofia
18h 25m
1 stop
IST1:05 pmIstanbul
Aug 12
IST7:00 amIstanbul
6h 50m
1 stop
SOF1:50 pmSofia
$443
Find similar
LOT
Aug 15
SOF6:40 pmSofia
22h 00m
1 stop
IST4:40 pmIstanbul
Aug 18
IST7:00 amIstanbul
6h 50m
1 stop
SOF1:50 pmSofia
$496
Find similar

Turkish Airlines flights from Sofia to Istanbul Airport

Our best Turkish Airlines deals on Sofia to Istanbul Airport flight tickets
Turkish Airlines
Sep 11
SOF3:35 pmSofia
1h 35m
IST5:10 pmIstanbul
Sep 15
IST1:20 pmIstanbul
1h 25m
SOF2:45 pmSofia
$138
Find similar
Turkish Airlines
Sep 2
SOF3:35 pmSofia
1h 35m
IST5:10 pmIstanbul
Sep 4
IST1:20 pmIstanbul
1h 25m
SOF2:45 pmSofia
$139
Find similar
Turkish Airlines
Aug 22
SOF3:35 pmSofia
1h 35m
IST5:10 pmIstanbul
Sep 22
IST1:20 pmIstanbul
1h 25m
SOF2:45 pmSofia
$140
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 August 2, 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

Sun 9/14

8:20 pm-8:30 am

1 stop12h 10m

Istanbul

Sun 9/21

7:20 am-8:35 am

Nonstop1h 15m

$137

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 9/11

3:35 pm-5:10 pm

Nonstop1h 35m

Istanbul

Mon 9/15

1:20 pm-2:45 pm

Nonstop1h 25m

$138

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Tue 9/2

3:35 pm-5:10 pm

Nonstop1h 35m

Istanbul

Thu 9/4

1:20 pm-2:45 pm

Nonstop1h 25m

$139

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Fri 8/22

3:35 pm-5:10 pm

Nonstop1h 35m

Istanbul

Mon 9/22

1:20 pm-2:45 pm

Nonstop1h 25m

$140

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 9/18

3:35 pm-5:10 pm

Nonstop1h 35m

Istanbul

Mon 9/22

1:20 pm-2:45 pm

Nonstop1h 25m

$142

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Thu 9/18

3:35 pm-5:10 pm

Nonstop1h 35m

Istanbul

Mon 9/22

1:20 pm-2:45 pm

Nonstop1h 25m

$143

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Mon 9/8

9:15 pm-9:50 am

1 stop12h 35m

Istanbul

Mon 9/15

1:20 pm-2:45 pm

Nonstop1h 25m

$165

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Tue 9/2

3:20 pm-8:00 pm

1 stop4h 40m

Istanbul

Thu 9/4

4:35 am-2:30 pm

1 stop9h 55m

$223

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Wed 8/20

4:00 pm-2:20 am

1 stop10h 20m

Istanbul

Mon 9/22

4:35 am-10:00 am

1 stop5h 25m

$274

SofiaIstanbul

SOF - IST

SOFIST

Sofia

Mon 8/18

7:25 pm-9:20 pm

2 stops25h 55m

Istanbul

Tue 9/23

2:00 pm-10:50 pm

1 stop8h 50m

$275

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, March 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 $101. If you don’t want to visit Istanbul Airport in March, then you should wait until January to fly from Sofia, when ticket prices are also cheap, with an average price of $109.

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

Our data shows that Wednesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $796. On the other hand, Friday 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 $869.

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 $206. 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 $900.

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 $156 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 $124 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 August 2025, prices for Sofia to Istanbul Airport flights are approximately 68% 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

$57

Fastest flight time

1h 30m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Sofia in the past 72 hours is $57. The best round-trip flight deal from Sofia to Istanbul Airport found on momondo in the last 72 hours is $137.
The fastest flight from Sofia to Istanbul Airport takes 1h 30m
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 30m.

  • 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 $84Free CancellationRating
6.7
637 reviews
Search Pegasus Airlines flights
Turkish AirlinesPriceFrom $140Free CancellationRating
7.3
3,935 reviews
Search Turkish Airlines flights

  • Turkish Airlines Flights From Sofia to Istanbul Airport

    Turkish Airlines operates around 14 flights from Sofia to Istanbul Airport every week. The average price of these flights found in the last 72 hours has been $249, but momondo users have found Turkish Airlines deals from Sofia to Istanbul Airport from as low as $140 round-trip. Turkish Airlines has been scored 7.3/10 in 3,935 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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