HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$524+ Cheap flights from Key Largo, FL to Chiang Mai (CNX)

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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — CNX
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Key Largo to Chiang Mai

Keep the following information in mind while searching for Key Largo to Chiang Mai flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$1,054
(Delta)

One-way from

$524
(Kiwi.com)
From Key Largo to Chiang Mai
Search Deals
One-way flight from Key Largo to Chiang Mai
Search Deals

Find flight deals from Key Largo to Chiang Mai

Cheapest flights from Key Largo to Chiang Mai
Explore the most affordable flight options available from Key Largo to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:00 amMIA - CNX
2 stops28h 55mDelta
dom. 9/2111:15 pmCNX - MIA
2 stops33h 08mDelta
Deal found 9/13$969
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:10 amMIA - CNX
2 stops26h 45mDelta
lun. 9/2211:15 pmCNX - MIA
2 stops36h 08mDelta
Deal found 9/13$979
This Korean Air deal was found by Cheapflights users on 9/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/226:00 amMIA - CNX
2 stops28h 55mMultiple Airlines
mar. 11/1112:15 amCNX - MIA
2 stops36h 33mMultiple Airlines
Deal found 9/15$1,183
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/117:15 pmMIA - CNX
2 stops26h 10mMultiple Airlines
mar. 12/910:10 amCNX - MIA
2 stops42h 15mMultiple Airlines
Deal found 9/14$1,217
This oojo deal was found by Cheapflights users on 9/15. 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.
mié. 10/226:43 pmMIA - CNX
2 stops28h 42mEVA Air
mié. 11/1211:50 amCNX - MIA
2 stops41h 56mEVA Air
Deal found 9/15$1,261
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/108:05 amMIA - CNX
2 stops26h 50mDelta
dom. 12/1412:15 amCNX - MIA
2 stops31h 36mDelta
Deal found 9/15$1,309
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:45 pmMIA - CNX
2 stops34h 35mMultiple Airlines
sáb. 9/2012:45 amCNX - MIA
2 stops47h 35mMultiple Airlines
Deal found 9/13$1,381
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/298:15 pmMIA - CNX
2 stops28h 05mMultiple Airlines
mié. 11/52:10 pmCNX - MIA
2 stops31h 40mMultiple Airlines
Deal found 9/14$1,416
This oojo deal was found by Cheapflights users on 9/14. 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.
lun. 11/107:15 pmMIA - CNX
2 stops26h 10mMultiple Airlines
lun. 12/159:05 pmCNX - MIA
2 stops31h 20mMultiple Airlines
Deal found 9/14$1,488
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/107:15 pmMIA - CNX
2 stops50h 10mQatar Airways
lun. 12/1510:10 amCNX - MIA
2 stops35h 40mQatar Airways
Deal found 9/15$1,498

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Chiang Mai 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Key Largo to Chiang Mai that are best for you.

Fly from

Key Largo

Fly to

Chiang Mai

Route

Depart

Return

Price

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

dom. 1/18

6:05 pm-10:55 pm

2 stops40h 50m

Chiang Mai

dom. 2/1

12:15 am-3:47 pm

2 stops27h 32m

$1,054

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

mar. 2/3

6:05 pm-10:55 pm

2 stops40h 50m

Chiang Mai

mié. 2/11

12:15 am-10:50 pm

2 stops34h 35m

$1,054

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

dom. 1/25

6:05 pm-10:55 pm

2 stops40h 50m

Chiang Mai

mié. 2/11

12:15 am-6:57 pm

2 stops30h 42m

$1,054

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

mié. 1/14

6:05 pm-10:55 pm

2 stops40h 50m

Chiang Mai

mar. 1/20

12:15 am-5:24 pm

2 stops29h 09m

$1,054

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

mar. 2/3

5:55 pm-10:25 am

2 stops28h 30m

Chiang Mai

jue. 2/12

9:40 pm-5:39 pm

2 stops31h 59m

$1,155

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

mié. 10/22

6:00 am-9:55 pm

2 stops28h 55m

Chiang Mai

mar. 11/11

12:15 am-12:48 am

2 stops36h 33m

$1,183

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

dom. 1/18

8:00 am-10:25 am

2 stops38h 25m

Chiang Mai

lun. 2/2

5:35 pm-6:14 am

2 stops24h 39m

$1,198

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

mar. 9/30

7:40 pm-9:20 am

2 stops26h 40m

Chiang Mai

mar. 10/28

9:05 pm-5:25 pm

2 stops31h 20m

$1,217

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

jue. 3/5

8:00 am-10:25 am

2 stops38h 25m

Chiang Mai

lun. 3/9

5:35 pm-5:14 pm

2 stops34h 39m

$1,226

MiamiChiang Mai

MIA - CNX

MIACNX

Miami

mié. 1/14

8:00 am-10:25 am

2 stops38h 25m

Chiang Mai

mié. 1/21

11:25 am-5:14 pm

2 stops41h 49m

$1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 11 results
1
2

Best time to book a flight from Key Largo to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai 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.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Chiang Mai

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

Find hourly flight availability from Key Largo to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Chiang Mai as you normally would.

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated septiembre 15, 2025.
See what other customers who have flown with Delta from Key Largo to Chiang Mai have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Chiang Mai. 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 Chiang Mai from Key Largo?

    If you book a flight to Chiang Mai from Key Largo, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Key Largo to Chiang Mai per day from 1 airline.

  • How long is the flight from Key Largo to Chiang Mai?

    Departing from Key Largo to Chiang Mai will take you 40h 50m. The distance from Key Largo to Chiang Mai is about 9351 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Chiang Mai 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 Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from Key Largo to Chiang Mai (average of $975). Flying from Key Largo to Chiang Mai in June is currently the most expensive (average of $1,562). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Suvarnabhumi flights
Orlando to Suvarnabhumi flights
Tampa to Suvarnabhumi flights
Jacksonville to Suvarnabhumi flights
West Palm Beach to Suvarnabhumi flights
Fort Lauderdale to Suvarnabhumi flights
Fort Myers to Suvarnabhumi flights
Miami to Phuket City flights
Tallahassee to Suvarnabhumi flights
Pensacola to Suvarnabhumi flights
Orlando to Phuket City flights
Gainesville to Suvarnabhumi flights
Tampa to Phuket City flights
Sarasota to Suvarnabhumi flights
Miami to Don Mueang Intl flights
Valparaiso to Suvarnabhumi flights
Tampa to Chiang Mai flights
Valdosta to Suvarnabhumi flights
Miami to Chiang Mai flights
Panama City to Suvarnabhumi flights
Miami to Ko Samui flights
Fort Lauderdale to Phuket City flights
Melbourne to Suvarnabhumi flights
West Palm Beach to Phuket City flights
Jacksonville to Phuket City flights
Orlando to Krabi flights
Orlando to Chiang Mai flights
Orlando to Don Mueang Intl flights
Miami to Krabi flights
Fort Lauderdale to Chiang Mai flights
Daytona Beach to Suvarnabhumi flights
Fort Lauderdale to Ko Samui flights
Fort Myers to Phuket City flights
Fort Myers to Chiang Mai flights
Tampa to Krabi flights
Fort Lauderdale to Krabi flights
West Palm Beach to Krabi flights
Tallahassee to Phuket City flights
West Palm Beach to Chiang Mai flights
Fort Lauderdale to Don Mueang Intl flights
Tampa to Don Mueang Intl flights

Top airline flying from Key Largo to Chiang Mai

Discover the top airline that operate flights from Key Largo to Chiang Mai. 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,028Average$1,432FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.