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$610+ Cheap flights from Key Largo, FL to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SOF
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Key Largo to Sofia are usually found in November or March, booked 52 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from Key Largo to Sofia

Keep the following information in mind while searching for Key Largo to Sofia flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$610
(oojo)

Popular in

June

Cheapest in

November

Average price

$861
Provider with most accurate pricing for Miami-Sofia flight deals.
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Provider most trusted by Cheapflights users for Miami-Sofia flights.
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From Key Largo to Sofia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($334 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Key Largo to Sofia

Cheapest flights from Key Largo to Sofia
Explore the most affordable flight options available from Key Largo to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/248:40 pmMIA - SOF
1 stop35h 10mLOT
Mon 4/72:35 pmSOF - MIA
1 stop34h 00mLOT
Deal found 2/21$610
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/248:55 pmMIA - SOF
1 stop14h 15mAmerican Airlines
Mon 4/78:00 pmSOF - MIA
2 stops29h 24mAmerican Airlines
Deal found 2/21$615
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/246:33 pmMIA - SOF
2 stops16h 37mBritish Airways
Mon 4/78:00 pmSOF - MIA
2 stops27h 30mBritish Airways
Deal found 2/21$619
This Travelocity deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:45 pmMIA - SOF
1 stop21h 00mLufthansa
Tue 4/86:20 amSOF - MIA
1 stop15h 20mLufthansa
Deal found 2/22$620
This Travelocity deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/251:55 pmMIA - SOF
2 stops22h 00mMultiple Airlines
Tue 4/86:20 amSOF - MIA
1 stop15h 20mMultiple Airlines
Deal found 2/22$622
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2610:35 pmMIA - SOF
1 stop15h 15mTurkish Airlines
Tue 3/119:40 pmSOF - MIA
1 stop30h 00mTurkish Airlines
Deal found 2/21$623
This KLM deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/253:32 pmMIA - SOF
2 stops16h 33mKLM
Tue 4/87:00 amSOF - MIA
2 stops20h 32mKLM
Deal found 2/22$629
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/108:40 amMIA - SOF
2 stops22h 20mUnited Airlines
Mon 3/171:45 pmSOF - MIA
1 stop34h 10mUnited Airlines
Deal found 2/21$633
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/912:45 amMIA - SOF
2 stops35h 15mTAP AIR PORTUGAL
Mon 3/171:45 pmSOF - MIA
2 stops32h 00mTAP AIR PORTUGAL
Deal found 2/21$841
This Air Canada deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:55 amMIA - SOF
2 stops26h 55mAir Canada
Wed 6/116:15 amSOF - MIA
2 stops38h 03mAir Canada
Deal found 2/21$894
This Air Serbia deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amMIA - SOF
2 stops26h 35mAir Serbia
Sun 6/84:05 pmSOF - MIA
2 stops37h 27mAir Serbia
Deal found 2/21$975
This SWISS deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/157:40 pmMIA - SOF
1 stop12h 05mSWISS
Mon 1/123:00 pmSOF - MIA
1 stop33h 30mSWISS
Deal found 2/20$1,019

Find flights from Key Largo to Sofia within your budget

Customize your flight search to find flights from Key Largo 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, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Key Largo

Fly to

Sofia

Route

Depart

Return

Price

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 3/24

8:40 pm-1:50 pm

1 stop35h 10m

Sofia

Mon 4/7

2:35 pm-5:35 pm

1 stop34h 00m

$610

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 3/24

8:55 pm-5:10 pm

1 stop14h 15m

Sofia

Mon 4/7

8:00 pm-6:24 pm

2 stops29h 24m

$615

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 3/24

6:33 pm-5:10 pm

2 stops16h 37m

Sofia

Mon 4/7

8:00 pm-4:30 pm

2 stops27h 30m

$619

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 3/25

7:45 pm-10:45 pm

1 stop21h 00m

Sofia

Tue 4/8

6:20 am-2:40 pm

1 stop15h 20m

$620

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 3/25

1:55 pm-5:55 pm

2 stops22h 00m

Sofia

Tue 4/8

6:20 am-2:40 pm

1 stop15h 20m

$622

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 4/14

10:35 am-8:25 pm

1 stop26h 50m

Sofia

Wed 5/21

3:35 pm-8:20 pm

1 stop35h 45m

$623

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 3/25

3:32 pm-2:05 pm

2 stops16h 33m

Sofia

Tue 4/8

7:00 am-8:32 pm

2 stops20h 32m

$629

MiamiSofia

MIA - SOF

MIASOF

Miami

Mon 3/10

8:40 am-1:00 pm

2 stops22h 20m

Sofia

Mon 3/17

1:45 pm-5:55 pm

1 stop34h 10m

$633

MiamiSofia

MIA - SOF

MIASOF

Miami

Sun 3/9

12:45 am-6:00 pm

2 stops35h 15m

Sofia

Mon 3/17

1:45 pm-3:45 pm

2 stops32h 00m

$841

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 5/7

7:55 am-5:50 pm

2 stops26h 55m

Sofia

Wed 6/11

6:15 am-1:18 pm

2 stops38h 03m

$894

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 15 results
1
2

Best time to book a flight from Key Largo to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Key Largo to Sofia

Get recent, data-driven insights about flights from Key Largo to Sofia including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Sofia. Price data was last updated on February 14, 2025.

The best time to book flights from Key Largo to Sofia is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Key Largo to Sofia?

Currently, November is the cheapest month in which you can book a flight from Key Largo to Sofia (average of $632). Flying from Key Largo to Sofia in June is currently the most expensive (average of $1,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to SOF?

Find hourly flight availability from Key Largo to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

When flying from Key Largo to Sofia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Key Largo to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Sofia. Price data was last updated on April 14, 2024.

Travelers seeking maximum savings on their Key Largo to Sofia flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated February 22, 2025.
KLM
7.8
Good
1,330 reviews

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,330 reviews
KLM
7.8
Good
1,330 reviews

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LOT
7.6
Good
1,079 reviews
KLM
7.8
Good
1,330 reviews

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.5
Good
771 reviews
KLM
7.8
Good
1,330 reviews

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,566 reviews
KLM
7.8
Good
1,330 reviews

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,759 reviews
KLM
7.8
Good
1,330 reviews

Food

7.3

Overall

7.8

Crew

8.3

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Key Largo?

    For a flight from Key Largo to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 0 inbound flights from Key Largo per day. 7 airlines have flights to Sofia from Key Largo on a regular basis.

  • Can I find deals for flights from Key Largo to Sofia that include hotel bookings?

    Yes. In addition to deals on Key Largo to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Sofia.

  • Can I find deals for business class flights from Key Largo to Sofia?

    Yes. Cheapflights offers flight deals from Key Largo to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Sofia (average of $632). Flying from Key Largo to Sofia in June is currently the most expensive (average of $1,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 7 airlines flying from Key Largo to Sofia

Discover the top 7 airlines that operate flights from Key Largo to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$598Average$857FlexibilityNo cancel feeOn-time78%
British AirwaysCheapest$607Average$911FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$652Average$1,035FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$692Average$1,126FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$697Average$1,119FlexibilityNo cancel feeOn-time69%
LOTCheapest$802Average$1,093FlexibilityNo cancel feeOn-time81%
SWISSCheapest$876Average$1,170FlexibilityNo cancel feeOn-time79%
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