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Cheap flights from Kailua-Kona to Sofia from $671

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Kailua-Kona to Sofia departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kailua-Kona to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:55 pm - 10:45 pm
KOA
-
SOF
35h 50m2 stops
Lufthansa Logo
2:00 pm - 8:51 pm
SOF
-
KOA
42h 51m2 stops
$671Lufthansa
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
10:55 pm - 10:45 pm
KOA
-
SOF
35h 50m2 stops
United Airlines Logo
2:00 pm - 8:51 pm
SOF
-
KOA
42h 51m2 stops
$680United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
10:55 pm - 10:45 pm
KOA
-
SOF
35h 50m2 stops
United Airlines Logo
2:00 pm - 12:59 pm
SOF
-
KOA
34h 59m2 stops
$686United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
2:08 pm - 1:50 pm
KOA
-
SOF
35h 42m3 stops
United Airlines Logo
2:00 pm - 8:51 pm
SOF
-
KOA
42h 51m2 stops
$692United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
10:55 pm - 1:50 pm
KOA
-
SOF
26h 55m3 stops
United Airlines Logo
2:00 pm - 12:59 pm
SOF
-
KOA
34h 59m2 stops
$699United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
10:55 pm - 1:50 pm
KOA
-
SOF
26h 55m3 stops
United Airlines Logo
2:00 pm - 12:53 pm
SOF
-
KOA
34h 53m3 stops
$1,065United Airlines
Wed, Feb 25 - Sun, Mar 1

United Airlines flights from Kailua-Kona to Sofia

Our best United Airlines deals on Kailua-Kona to Sofia flight tickets
United Airlines
Feb 25
KOA10:55 pmKona Intl
35h 50m
2 stops
SOF10:45 pmSofia
Mar 1
SOF2:00 pmSofia
42h 51m
2 stops
KOA8:51 pmKona Intl
$680
Find similar
United Airlines
Feb 25
KOA10:55 pmKona Intl
35h 50m
2 stops
SOF10:45 pmSofia
Mar 1
SOF2:00 pmSofia
34h 59m
2 stops
KOA12:59 pmKona Intl
$686
Find similar
United Airlines
Feb 25
KOA2:08 pmKona Intl
35h 42m
3 stops
SOF1:50 pmSofia
Mar 1
SOF2:00 pmSofia
42h 51m
2 stops
KOA8:51 pmKona Intl
$692
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Sofia 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 30, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kailua-KonaSofia

KOA - SOF

KOASOF

Kona Intl

Wed 2/25

10:55 pm-10:45 pm

2 stops35h 50m

Sofia

Sun 3/1

2:00 pm-8:51 pm

2 stops42h 51m

$671

Kailua-KonaSofia

KOA - SOF

KOASOF

Kona Intl

Wed 2/25

10:55 pm-10:45 pm

2 stops35h 50m

Sofia

Sun 3/1

2:00 pm-8:51 pm

2 stops42h 51m

$680

Kailua-KonaSofia

KOA - SOF

KOASOF

Kona Intl

Wed 2/25

10:55 pm-10:45 pm

2 stops35h 50m

Sofia

Sun 3/1

2:00 pm-12:59 pm

2 stops34h 59m

$686

Kailua-KonaSofia

KOA - SOF

KOASOF

Kona Intl

Wed 2/25

2:08 pm-1:50 pm

3 stops35h 42m

Sofia

Sun 3/1

2:00 pm-8:51 pm

2 stops42h 51m

$692

Kailua-KonaSofia

KOA - SOF

KOASOF

Kona Intl

Wed 2/25

10:55 pm-1:50 pm

3 stops26h 55m

Sofia

Sun 3/1

2:00 pm-12:59 pm

2 stops34h 59m

$699

Kailua-KonaSofia

KOA - SOF

KOASOF

Kona Intl

Wed 2/25

10:55 pm-1:50 pm

3 stops26h 55m

Sofia

Sun 3/1

2:00 pm-12:53 pm

3 stops34h 53m

$1,065

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Kailua-Kona to Sofia

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

Cheap Kailua-Kona to Sofia (KOA to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kailua-Kona to Sofia

Fastest flight time

35h 50m

Direct flights

None
The fastest flight from Kailua-Kona to Sofia takes 35h 50m
There are no direct flights from Kailua-Kona to Sofia. There are no popular flight routes from Kailua-Kona to Sofia.
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  • How far is Kona Intl to Sofia by plane?

    A flight from Kona Intl to Sofia will travel around 8123.9 mi. Flights usually cover this in 35h 50m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Kona Intl Airport to Sofia Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kona Intl Airport to Sofia Airport.

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

    The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Kailua-Kona to Sofia?

    Price Alerts will notify you by email when the price for flights to Sofia from Kailua-Kona decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Kailua-Kona to Sofia with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Kailua-Kona to Sofia?

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

Can I find flights from Kailua-Kona to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from Kailua-Kona with this policy.

How can momondo help me find flights from Kailua-Kona to Sofia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kailua-Kona to Sofia.

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

If you are not ready to book a flight from Kailua-Kona to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.

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Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.
First Class to Sofia
Business Class to Sofia