How long is the flight from Key Largo to Hanoi?

A quick flight from Key Largo to Hanoi can take about 27h 45m. Delta 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.

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

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.

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.

$430+ Flights from Key Largo to Hanoi

Q: How much does it cost to fly round-trip from Key Largo to Hanoi?

Airfare is below average for this route at the moment. Key Largo to Hanoi flights typically cost between $2,072 and $2,589 in April. The cheapest round-trip price found within the last 3 days was $735 on Korean Air (Apr 12-Apr 20).

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Cheap 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 December 15, 2025.

Thu 12/256:47 pmMIA - HAN

2 stops27h 18mCathay Pacific

Mon 1/127:30 pmHAN - MIA

2 stops36h 10mCathay Pacific

Deal found 12/13

$1,303

Thu 12/257:25 amMIA - HAN

2 stops46h 00mMultiple Airlines

Mon 1/1211:30 amHAN - MIA

2 stops42h 04mMultiple Airlines

Deal found 12/13

$1,848

Thu 12/2511:30 pmMIA - HAN

1 stop43h 25mQatar Airways

Mon 1/127:30 pmHAN - MIA

2 stops32h 55mQatar Airways

Deal found 12/13

$1,898

Sat 12/206:42 pmMIA - HAN

2 stops39h 03mDelta

Sat 12/2711:05 pmHAN - MIA

2 stops36h 26mDelta

Deal found 12/14

$2,205

Thu 12/258:00 pmMIA - HAN

1 stop22h 15mAir France

Mon 1/1211:20 pmHAN - MIA

1 stop32h 15mAir France

Deal found 12/13

$2,443

Sat 12/206:25 amMIA - HAN

2 stops27h 20mMultiple Airlines

Sat 12/2712:20 pmHAN - MIA

2 stops24h 26mMultiple Airlines

Deal found 12/13

$2,456

Fri 12/266:47 pmMIA - HAN

2 stops48h 08mQatar Airways

Sat 1/37:10 pmHAN - MIA

1 stop33h 15mQatar Airways

Deal found 12/14

$2,942

Sun 12/217:05 pmMIA - HAN

2 stops45h 15mMultiple Airlines

Fri 1/27:10 pmHAN - MIA

1 stop26h 40mMultiple Airlines

Deal found 12/15

$3,182

Best flights from Key Largo to Hanoi
Discover carefully curated flight deals from Key Largo to Hanoi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Tue 3/36:00 amMIA - HAN

2 stops27h 45mDelta

Thu 3/1912:20 pmHAN - MIA

2 stops29h 29mDelta

Deal found 12/13

$910

Tue 2/247:15 pmMIA - HAN

1 stop29h 05mQatar Airways

Mon 3/98:55 amHAN - MIA

1 stop36h 55mQatar Airways

Deal found 12/15

$1,055

Tue 2/245:59 pmMIA - HAN

2 stops34h 31mChina Airlines

Mon 3/95:30 pmHAN - MIA

2 stops34h 29mChina Airlines

Deal found 12/14

$1,065

Sat 1/246:15 pmMIA - HAN

2 stops40h 10mUnited Airlines

Sat 1/3112:25 amHAN - MIA

2 stops33h 29mUnited Airlines

Deal found 12/13

$1,094

Wed 1/215:36 pmMIA - HAN

2 stops53h 34mKorean Air

Sun 1/2512:20 pmHAN - MIA

2 stops40h 10mKorean Air

Deal found 12/13

$1,153

Wed 1/217:15 pmMIA - HAN

1 stop23h 40mJetBlue

Sun 1/257:10 pmHAN - MIA

1 stop33h 15mJetBlue

Deal found 12/12

$1,161

Sat 2/286:34 pmMIA - HAN

2 stops39h 11mDelta

Tue 3/1711:05 pmHAN - MIA

2 stops42h 44mDelta

Deal found 12/13

$915

Thu 1/296:43 amMIA - HAN

2 stops27h 02mDelta

Thu 2/511:05 pmHAN - MIA

2 stops30h 40mDelta

Deal found 12/15

$1,000

Last-minute flights from Key Largo to Hanoi
Discover last-minute flight deals from Key Largo to Hanoi. Data last updated December 15, 2025 and is based on user searches.

Mon 1/126:45 amMIA - HAN

2 stops27h 45mAmerican Airlines

Tue 1/2711:55 pmHAN - MIA

2 stops31h 20mAmerican Airlines

Deal found 12/13

$960

Tue 1/203:55 pmMIA - HAN

2 stops38h 35mCathay Pacific

Tue 1/2711:05 amHAN - MIA

2 stops23h 37mCathay Pacific

Deal found 12/13

$1,082

Tue 1/2011:30 pmMIA - HAN

1 stop32h 15mQatar Airways

Tue 1/277:30 pmHAN - MIA

2 stops50h 20mQatar Airways

Deal found 12/13

$1,098

Wed 1/215:36 pmMIA - HAN

2 stops53h 34mKorean Air

Sun 1/2512:20 pmHAN - MIA

2 stops40h 10mKorean Air

Deal found 12/14

$1,153

Wed 1/217:15 pmMIA - HAN

1 stop23h 40mJetBlue

Sun 1/257:10 pmHAN - MIA

1 stop33h 15mJetBlue

Deal found 12/14

$1,161

Sat 1/247:59 pmMIA - HAN

2 stops37h 46mKorean Air

Sun 2/111:05 pmHAN - MIA

2 stops32h 28mKorean Air

Deal found 12/13

$742

Sat 1/246:15 pmMIA - HAN

2 stops40h 10mUnited Airlines

Sat 1/3112:25 amHAN - MIA

2 stops33h 29mUnited Airlines

Deal found 12/13

$1,094

Sat 1/243:48 pmMIA - HAN

3 stops33h 12mMultiple Airlines

Sun 2/13:40 pmHAN - MIA

3 stops30h 51mMultiple Airlines

Deal found 12/13

$1,183

Thu 1/296:43 amMIA - HAN

2 stops27h 02mDelta

Thu 2/511:05 pmHAN - MIA

2 stops30h 40mDelta

Deal found 12/15

$1,000

Thu 1/2912:56 pmMIA - HAN

2 stops33h 09mMultiple Airlines

Thu 2/512:20 pmHAN - MIA

3 stops34h 11mMultiple Airlines

Deal found 12/15

$1,182

Thu 1/2911:30 pmMIA - HAN

1 stop32h 15mQatar Airways

Thu 2/58:55 amHAN - MIA

1 stop43h 30mQatar Airways

Deal found 12/15

$1,185

One-way flights from Key Largo to Hanoi
Search for one-way flight options from Key Largo to Hanoi. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Tue 2/176:25 amMIA - HAN

3 stops39h 40mMultiple Airlines

Deal found 12/13

$430

Wed 2/1111:38 amMIA - HAN

3 stops48h 27mMultiple Airlines

Deal found 12/13

$442

Sun 1/187:09 pmMIA - HAN

3 stops55h 36mMultiple Airlines

Deal found 12/14

$446

Thu 1/86:00 amMIA - HAN

3 stops52h 25mMultiple Airlines

Deal found 12/15

$468

Thu 1/86:45 amMIA - HAN

2 stops27h 45mJapan Airlines

Deal found 12/15

$484

Thu 2/127:12 amMIA - HAN

3 stops33h 43mMultiple Airlines

Deal found 12/13

$547

Tue 2/177:15 pmMIA - HAN

1 stop29h 05mQatar Airways

Deal found 12/13

$578

Thu 1/16:05 amMIA - HAN

3 stops52h 20mMultiple Airlines

Deal found 12/15

$616

Find flight deals from Key Largo to Hanoi

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$735 (Korean Air)
One-way from	$430 (Kiwi.com)
Popular in	January
Cheapest in	August
Average price	$2,237

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. 16% potential increase in price ($302 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Tue 3/3

6:00 am-9:45 pm

2 stops27h 45m

Hanoi Noibai

Thu 3/19

12:20 pm-6:49 am

2 stops29h 29m

$910

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Sat 2/28

6:34 pm-9:45 pm

2 stops39h 11m

Hanoi Noibai

Tue 3/17

11:05 pm-6:49 am

2 stops42h 44m

$915

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Thu 1/29

6:43 am-9:45 pm

2 stops27h 02m

Hanoi Noibai

Thu 2/5

11:05 pm-5:45 pm

2 stops30h 40m

$1,000

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Tue 2/24

7:15 pm-12:20 pm

1 stop29h 05m

Hanoi Noibai

Mon 3/9

8:55 am-10:50 am

1 stop36h 55m

$1,055

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Tue 2/24

5:59 pm-4:30 pm

2 stops34h 31m

Hanoi Noibai

Mon 3/9

5:30 pm-4:59 pm

2 stops34h 29m

$1,065

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Sat 1/24

6:15 pm-10:25 pm

2 stops40h 10m

Hanoi Noibai

Sat 1/31

12:25 am-9:54 pm

2 stops33h 29m

$1,094

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Wed 1/21

5:36 pm-11:10 am

2 stops53h 34m

Hanoi Noibai

Sun 1/25

12:20 pm-4:30 pm

2 stops40h 10m

$1,153

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Wed 1/21

7:15 pm-6:55 am

1 stop23h 40m

Hanoi Noibai

Sun 1/25

7:10 pm-4:25 pm

1 stop33h 15m

$1,161

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Sun 1/18

7:09 pm-2:45 pm

3 stops55h 36m

$446

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Thu 1/8

6:00 am-10:25 pm

3 stops52h 25m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 19 results

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 January is currently the most expensive (average of $2,127). 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?

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.

How much does it cost to fly round-trip from Key Largo to Hanoi?

Reviews of airlines servicing Hanoi

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

3,681 reviews

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

3,681 reviews

Qatar Airways

7.4

Good

3,681 reviews

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

11,051 reviews

Qatar Airways

7.4

Good

3,681 reviews

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

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 27h 45m. Delta 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 January is currently the most expensive (average of $2,127). 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 2 airlines flying from Key Largo to Hanoi

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$979	Average$1,679	FlexibilityNo cancel fee	On-time71%
Qatar Airways	Cheapest$1,019	Average$1,613	FlexibilityNo cancel fee	On-time68%

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$430+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Key Largo to Hanoi

Cheapest flights from Key Largo to HanoiExplore 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 December 15, 2025.

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 December 15, 2025.

Find 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 December 15, 2025.

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Most trusted provider

Round-trip from

One-way from

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Average price

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Use the filters below to find and compare flights from Key Largo to Hanoi that are best for you.

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.

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?

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 December 15, 2025.

How much does it cost to fly round-trip from Key Largo to Hanoi?

Reviews of airlines servicing Hanoi

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.

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?

How long is the flight from Key Largo to Hanoi?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Key Largo to Hanoi

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Top 2 airlines flying from Key Largo to Hanoi

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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 December 15, 2025.