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$545+ Cheap flights from Key Largo, FL to Hanoi (HAN)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — HAN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Key Largo to Hanoi

Cheapest flights from Key Largo to Hanoi
Explore the most affordable flight options available from Key Largo to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/30. 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.
Mon 11/37:36 amMIA - HAN
2 stops44h 54mChina Airlines
Tue 11/1111:35 amHAN - MIA
2 stops41h 58mChina Airlines
Deal found 10/30$981
This Korean Air deal was found by Cheapflights users on 10/29. 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.
Wed 11/267:15 amMIA - HAN
2 stops26h 30mKorean Air
Wed 12/311:05 pmHAN - MIA
2 stops29h 10mKorean Air
Deal found 10/29$1,036
This Korean Air deal was found by Cheapflights users on 10/29. 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.
Fri 11/287:00 amMIA - HAN
2 stops26h 45mKorean Air
Fri 12/511:05 pmHAN - MIA
2 stops29h 10mKorean Air
Deal found 10/29$1,074
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 12/27:20 amMIA - HAN
2 stops27h 10mAmerican Airlines
Wed 12/1011:55 pmHAN - MIA
2 stops33h 01mAmerican Airlines
Deal found 10/28$1,141
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Wed 11/197:40 amMIA - HAN
2 stops38h 55mChina Airlines
Sun 11/2311:35 amHAN - MIA
2 stops30h 16mChina Airlines
Deal found 10/30$1,158
This China Airlines deal was found by Cheapflights users on 10/27. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:36 amMIA - HAN
2 stops44h 54mChina Airlines
Sun 11/911:35 amHAN - MIA
2 stops41h 58mChina Airlines
Deal found 10/27$1,212
This Cathay Pacific deal was found by Cheapflights users on 10/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:55 pmMIA - HAN
2 stops30h 10mCathay Pacific
Sun 11/911:05 amHAN - MIA
2 stops31h 40mCathay Pacific
Deal found 10/28$1,241
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/266:00 pmMIA - HAN
2 stops41h 05mUnited Airlines
Tue 12/212:25 amHAN - MIA
2 stops50h 45mUnited Airlines
Deal found 10/29$1,248
This eDestinos deal was found by Cheapflights users on 10/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:00 amMIA - HAN
2 stops26h 45mMultiple Airlines
Fri 12/512:15 pmHAN - MIA
3 stops68h 20mMultiple Airlines
Deal found 10/29$1,251
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:25 pmMIA - HAN
2 stops32h 10mMultiple Airlines
Sun 11/2311:45 amHAN - MIA
3 stops35h 38mMultiple Airlines
Deal found 10/30$1,274
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:25 pmMIA - HAN
3 stops35h 35mMultiple Airlines
Wed 12/312:35 pmHAN - MIA
3 stops31h 48mMultiple Airlines
Deal found 10/29$1,290

Cheap flight deals from Key Largo to Hanoi

Keep the following information in mind while searching for Key Largo to Hanoi flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$904
(Expedia)

One-way from

$545
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,323
Provider with most accurate pricing for Miami-Hanoi Noibai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Hanoi Noibai flights.
Search Deals
From Key Largo to Hanoi Noibai
Search Deals
One-way flight from Key Largo to Hanoi Noibai
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Hanoi 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 October 30, 2025.
Use the filters below to find and compare flights from Key Largo to Hanoi that are best for you.

Fly from

Key Largo

Fly to

Hanoi

Route

Depart

Return

Price

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Wed 1/28

6:05 am-11:05 pm

2 stops29h 00m

Hanoi Noibai

Sat 2/14

12:25 am-9:59 pm

2 stops33h 34m

$910

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Mon 1/26

6:20 am-11:05 pm

2 stops28h 45m

Hanoi Noibai

Sat 2/14

12:25 am-10:55 am

2 stops46h 30m

$910

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Tue 2/24

8:00 am-10:20 am

2 stops38h 20m

Hanoi Noibai

Mon 3/9

11:20 am-5:14 pm

2 stops40h 54m

$970

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Mon 1/19

6:20 am-11:05 pm

2 stops28h 45m

Hanoi Noibai

Thu 1/29

12:25 am-10:20 pm

2 stops33h 55m

$1,039

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Sun 3/1

7:35 pm-9:45 pm

2 stops38h 10m

Hanoi Noibai

Wed 3/11

11:05 pm-6:14 am

2 stops42h 09m

$1,071

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Fri 11/28

7:00 am-9:45 pm

2 stops26h 45m

Hanoi Noibai

Fri 12/5

11:05 pm-4:15 pm

2 stops29h 10m

$1,074

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Mon 1/19

4:40 pm-12:00 pm

3 stops31h 20m

Hanoi Noibai

Fri 1/30

3:45 pm-11:30 am

3 stops31h 45m

$1,122

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Sat 2/28

8:35 am-11:05 pm

2 stops50h 30m

Hanoi Noibai

Mon 3/16

12:25 am-5:50 am

3 stops40h 25m

$1,207

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Fri 11/14

5:01 am-4:55 am

3 stops59h 54m

$545

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Thu 2/5

3:55 pm-10:05 am

2 stops30h 10m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 16 results
1
2

Best time to book a flight from Key Largo to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi 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 Hanoi

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

Currently, September is the cheapest month in which you can book a flight from Key Largo to Hanoi (average of $880). Flying from Key Largo to Hanoi in December is currently the most expensive (average of $2,009). 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 HAN?

Find hourly flight availability from Key Largo to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Key Largo to Hanoi at noon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Qatar Airways and American Airlines from Key Largo to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,659 reviews

Crew

7.9

Comfort

7.4

Food

7.3

Entertainment

7.4

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,659 reviews
Qatar Airways
7.4
Good
3,659 reviews

Crew

7.9

Comfort

7.4

Food

7.3

Entertainment

7.4

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
American Airlines
7.2
Good
11,030 reviews
Qatar Airways
7.4
Good
3,659 reviews

Crew

7.9

Comfort

7.4

Food

7.3

Entertainment

7.4

Boarding

7.5

Overall

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

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

    Hanoi Noibai (HAN), located 14.2 mi from the city center, is the airport you fly into when you book flights from Key Largo to Hanoi. 2 airlines have flights to Noibai from Key Largo on a regular basis. Booking flights from Key Largo to Hanoi Noibai should not be difficult; the airport handles an average of 0 inbound flights from Key Largo per day.

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

    A quick flight from Key Largo to Hanoi can take about 29h. United Airlines provides one of the quickest options available for as low as $910. The distance between Key Largo and Hanoi is about 9156 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Key Largo to Hanoi (average of $880). Flying from Key Largo to Hanoi in December is currently the most expensive (average of $2,009). 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 2 airlines flying from Key Largo to Hanoi

Discover the top 2 airlines that operate flights from Key Largo to Hanoi. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$746Average$1,733FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$1,019Average$1,630FlexibilityNo cancel feeOn-time68%

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