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Cheap flights from Sheffield to Key Largo from £257

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — MIA
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sheffield to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Sheffield to Key Largo
Explore the most affordable flight options available from Sheffield to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 February 2026.

Thu 12/318:40
MAN
-
MIA
2 stops27h 15m
Multiple Airlines
Wed 25/317:40
MIA
-
MAN
2 stops25h 50m
Multiple Airlines
Deal found 8/2£449
Tue 10/311:55
MAN
-
MIA
1 stop14h 00m
Icelandair
Wed 18/318:15
MIA
-
MAN
1 stop12h 45m
Icelandair
Deal found 8/2£453
Tue 17/319:15
MAN
-
MIA
1 stop27h 50m
Scandinavian Airlines
Wed 25/320:55
MIA
-
MAN
1 stop17h 40m
Scandinavian Airlines
Deal found 6/2£455
Mon 23/210:10
MAN
-
MIA
1 stop13h 25m
Scandinavian Airlines
Wed 4/311:34
MIA
-
MAN
2 stops26h 01m
Scandinavian Airlines
Deal found 6/2£460
Fri 13/306:00
MAN
-
MIA
1 stop13h 40m
British Airways
Mon 23/323:00
MIA
-
MAN
1 stop15h 40m
British Airways
Deal found 8/2£461
Sun 1/1120:30
MAN
-
MIA
2 stops26h 35m
Scandinavian Airlines
Sat 7/1119:55
MIA
-
MAN
2 stops18h 50m
Scandinavian Airlines
Deal found 6/2£463
Tue 10/311:55
MAN
-
MIA
1 stop14h 00m
Icelandair
Sun 22/318:15
MIA
-
MAN
1 stop12h 30m
Icelandair
Deal found 8/2£467
Thu 12/311:55
MAN
-
MIA
1 stop14h 00m
Icelandair
Wed 18/318:15
MIA
-
MAN
1 stop12h 45m
Icelandair
Deal found 8/2£471
Mon 9/307:50
MAN
-
MIA
1 stop16h 40m
British Airways
Tue 17/318:10
MIA
-
MAN
1 stop13h 15m
British Airways
Deal found 8/2£474

Find flight deals from Sheffield to Key Largo

Keep the following information in mind while searching for Sheffield to Key Largo flight deals. Data was last updated 9 February 2026.

Round-trip from

£449

One-way from

£257

Popular in

August

Cheapest in

February

Average price

£528
12/3-25/3
  • 12/3-25/3
  • 4 total stops
  • 53h 05m total
  • Sheffield to Key Largo
Search Deals
21/2
  • 21/2
  • 2 total stops
  • 39h 40m total
  • Sheffield to Key Largo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sheffield to Key Largo 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 858,174 searches. Data last updated 9 February 2026.
Use the filters below to find and compare flights from Sheffield to Key Largo that are best for you.

Fly from

Sheffield

Fly to

Key Largo

Route

Depart

Return

Price

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Thu 12/3

13:20-21:00

1 stop35h 40m

Miami

Wed 25/3

18:15-11:00

1 stop12h 45m

£466

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Mon 23/3

10:10-19:35

1 stop13h 25m

Miami

Tue 31/3

07:00-18:30

2 stops30h 30m

£522

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Tue 21/4

12:45-23:29

2 stops39h 44m

Miami

Tue 5/5

07:00-08:55

2 stops20h 55m

£529

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Tue 14/4

18:00-14:30

1 stop25h 30m

Miami

Tue 21/4

16:30-10:10

1 stop12h 40m

£535

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Tue 14/4

18:00-14:30

1 stop25h 30m

Miami

Wed 29/4

03:50-10:10

1 stop25h 20m

£536

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Tue 21/4

12:20-20:10

1 stop12h 50m

Miami

Tue 5/5

18:19-13:05

2 stops13h 46m

£557

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Mon 6/4

20:10-18:45

2 stops27h 35m

Miami

Wed 15/4

18:15-11:40

1 stop12h 25m

£563

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Sun 12/4

20:00-14:30

1 stop23h 30m

Miami

Tue 21/4

15:59-15:10

2 stops18h 11m

£569

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Sun 12/4

20:00-14:30

1 stop23h 30m

Miami

Wed 22/4

14:24-13:10

2 stops17h 46m

£569

ManchesterMiami

MAN - MIA

MANMIA

Manchester

Tue 14/4

09:30-20:25

1 stop15h 55m

Miami

Thu 23/4

17:00-09:45

1 stop11h 45m

£569

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Sheffield to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Sheffield with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Sheffield to Key Largo

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

Use this chart to determine the optimal time to book a return flight from Sheffield to Key Largo. Price data was last updated on 6 February 2026.

To ensure you get the cheapest price possible for a flight from Sheffield to Key Largo, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Sheffield to Key Largo (average of £348). Flying from Sheffield to Key Largo in July is currently the most expensive (average of £546). 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.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 9 February 2026.
See what other customers who have flown with Finnair, Virgin Atlantic, andScandinavian Airlines from Sheffield to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.6

Crew

8.2

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.6

Crew

8.2

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.6

Crew

8.2

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Scandinavian Airlines
7.3
Good
1,679 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.6

Crew

8.2

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
TAP AIR PORTUGAL
7.1
Good
2,135 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.6

Crew

8.2

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,723 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Entertainment

6.9

Boarding

7.7

Overall

7.6

Crew

8.2

Comfort

7.5

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

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

  • How long is the flight from Sheffield to Key Largo?

    For as low as £535, Scandinavian Airlines can have you in Key Largo from Sheffield in 25h 30m. Airlines will cover a distance of 4320 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Sheffield to Key Largo one-way?

    £213 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on British Airways and TAP AIR PORTUGAL, with prices starting from £313 and £318, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sheffield to Key Largo 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 Sheffield to Key Largo?

    Currently, January is the cheapest month in which you can book a flight from Sheffield to Key Largo (average of £348). Flying from Sheffield to Key Largo in July is currently the most expensive (average of £546). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Sheffield to Key Largo

Discover the top 10 airlines that operate flights from Sheffield to Key Largo. 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 858,174 searches. Data last updated 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£323Average£689FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£323Average£395FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£376Average£533FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
American AirlinesCheapest£380Average£588FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£392Average£509FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£412Average£602FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£413Average£621FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
SWISSCheapest£424Average£641FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Virgin AtlanticCheapest£433Average£656FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£434Average£561FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sheffield to Key Largo?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Key Largo from Sheffield today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sheffield to Key Largo?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sheffield to Key Largo for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sheffield to Key Largo with no change fees?

Yes, we can. To see specific flights from Sheffield to Key Largo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sheffield to Key Largo become cheaper?

Of course! You can now track prices for flights from Sheffield to Key Largo and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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