Popular airlines from Houston to Key Largo
American AirlinesAmerican Airlines
DeltaDelta
Spirit AirlinesSpirit Airlines
UnitedUnited
Frontier AirlinesFrontier Airlines
Southwest AirlinesSouthwest Airlines
JetBlue AirwaysJetBlue Airways
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Today's featured flight deals from Houston to Key Largo
Nonstop
Carry-on included
Lower price than typical
- Houston (HOU) to Miami (MIA).Southwest Airlines, nonstop.Departing on Sun, Jul 27 at 11:25am from Houston, arriving at 2:55pm in Miami.Returning on Wed, Jul 30 at 1:45pm from Miami, arriving at 6:10pm in Houston.Select Southwest Airlines flight departing on Sun, Jul 27 at 11:25am from Houston, returning on Wed, Jul 30 at 1:45pm from Miami priced at $26435% less than typical$264
- Houston (IAH) to Miami (MIA).Frontier Airlines, nonstop.Departing on Thu, Aug 21 at 2:38pm from Houston, arriving at 6:20pm in Miami.Returning on Mon, Aug 25 at 6:25pm from Miami, arriving at 8:17pm in Houston.Select Frontier Airlines flight departing on Thu, Aug 21 at 2:38pm from Houston, returning on Mon, Aug 25 at 6:25pm from Miami priced at $8365% less than typical$83
- Houston (HOU) to Miami (MIA).Southwest Airlines, nonstop.Departing on Fri, Jul 18 at 8:25pm from Houston, arriving at 11:55pm in Miami.Returning on Tue, Jul 22 at 8:02am from Miami, arriving at 12:11pm in Houston.Select Southwest Airlines flight departing on Fri, Jul 18 at 8:25pm from Houston, returning on Tue, Jul 22 at 8:02am from Miami priced at $37020% less than typical$370
- Houston (IAH) to Miami (MIA).American Airlines, nonstop.Departing on Thu, Jul 31 at 11:02am from Houston, arriving at 2:40pm in Miami.Returning on Mon, Aug 4 at 6:29pm from Miami, arriving at 8:17pm in Houston.Select American Airlines flight departing on Thu, Jul 31 at 11:02am from Houston, returning on Mon, Aug 4 at 6:29pm from Miami priced at $23230% less than typical$232
- Houston (IAH) to Miami (MIA).American Airlines, nonstop.Departing on Thu, Jul 31 at 7:20am from Houston, arriving at 11:03am in Miami.Returning on Mon, Aug 4 at 6:29pm from Miami, arriving at 8:17pm in Houston.Select American Airlines flight departing on Thu, Jul 31 at 7:20am from Houston, returning on Mon, Aug 4 at 6:29pm from Miami priced at $23230% less than typical$232
Cheap Flights from Houston to Key Largo (HOU-MIA)
Prices were available within the past 7 days and start at $37 for one-way flights and $74 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat, Aug 23 - Mon, Aug 25
IAH
Houston
MIA
Miami
$74 Roundtrip, just found
$74
Roundtrip
just found
Tue, Aug 5 - Tue, Aug 12
IAH
Houston
MIA
Miami
$81 Roundtrip, just found
$81
Roundtrip
just found
Thu, Aug 7 - Wed, Sep 3
IAH
Houston
MIA
Miami
$83 Roundtrip, found 12 hours ago
$83
Roundtrip
found 12 hours ago
Fri, Sep 12 - Mon, Sep 15
IAH
Houston
MIA
Miami
$91 Roundtrip, just found
$91
Roundtrip
just found
Sun, Sep 21 - Sat, Sep 27
HOU
Houston
MIA
Miami
$103 Roundtrip, found 16 hours ago
$103
Roundtrip
found 16 hours ago
Thu, Aug 14 - Sun, Aug 17
IAH
Houston
MIA
Miami
$108 Roundtrip, just found
$108
Roundtrip
just found
Find the cheapest month to fly from Houston (HOU) to Miami (MIA)
March is typically the cheapest month to fly
From $58 - $417 per traveler.
Graph displaying average flight prices per month
*Available to One Key members.