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$427+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — HAN
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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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 septiembre 15, 2025.

Round-trip from

$886
(Expedia)

One-way from

$427
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$979
From Key Largo to Hanoi Noibai
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One-way flight from Key Largo to Hanoi Noibai
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Highest demand for flights based on searches. 11% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 15, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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. 9/2212:06 pmMIA - HAN
2 stops46h 29mDelta
lun. 10/611:10 pmHAN - MIA
2 stops28h 20mDelta
Deal found 9/12$880
This Expedia deal was found by Cheapflights users on 9/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:10 amMIA - HAN
2 stops27h 35mKorean Air
mar. 11/411:05 pmHAN - MIA
2 stops32h 55mKorean Air
Deal found 9/12$886
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/224:16 pmMIA - HAN
3 stops42h 59mUnited Airlines
mié. 10/811:35 pmHAN - MIA
2 stops32h 38mUnited Airlines
Deal found 9/13$892
This United Airlines deal was found by Cheapflights users on 9/12. 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.
lun. 9/224:16 pmMIA - HAN
3 stops42h 59mUnited Airlines
jue. 10/911:35 pmHAN - MIA
2 stops46h 41mUnited Airlines
Deal found 9/12$934
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.
jue. 9/188:10 amMIA - HAN
2 stops26h 25mDelta
jue. 10/1612:00 pmHAN - MIA
2 stops29h 21mDelta
Deal found 9/15$950
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:00 amMIA - HAN
2 stops28h 35mKorean Air
sáb. 10/2511:10 pmHAN - MIA
2 stops36h 19mKorean Air
Deal found 9/13$968
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/27:09 amMIA - HAN
2 stops27h 21mAmerican Airlines
mié. 12/1011:55 pmHAN - MIA
2 stops32h 29mAmerican Airlines
Deal found 9/13$987
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/197:30 amMIA - HAN
2 stops40h 10mKorean Air
mar. 9/2311:10 pmHAN - MIA
2 stops30h 49mKorean Air
Deal found 9/14$993
This United Airlines deal was found by Cheapflights users on 9/12. 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.
lun. 9/224:16 pmMIA - HAN
3 stops42h 59mUnited Airlines
dom. 10/511:35 pmHAN - MIA
2 stops34h 10mUnited Airlines
Deal found 9/12$1,012
This Ovago deal was found by Cheapflights users on 9/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/228:40 amMIA - HAN
2 stops50h 35mANA
mar. 10/711:35 pmHAN - MIA
2 stops27h 12mANA
Deal found 9/12$1,015

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 septiembre 15, 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

dom. 3/1

7:00 am-9:45 pm

2 stops26h 45m

Hanoi Noibai

mar. 3/17

11:05 pm-4:44 pm

2 stops28h 39m

$961

MiamiHanoi

MIA - HAN

MIAHAN

Miami

sáb. 2/28

7:30 pm-9:45 pm

2 stops38h 15m

Hanoi Noibai

mar. 3/17

11:05 pm-4:44 pm

2 stops28h 39m

$968

MiamiHanoi

MIA - HAN

MIAHAN

Miami

mar. 12/2

7:09 am-10:30 pm

2 stops27h 21m

Hanoi Noibai

mié. 12/10

11:55 pm-9:43 pm

2 stops33h 48m

$987

MiamiHanoi

MIA - HAN

MIAHAN

Miami

mar. 10/28

6:00 am-11:05 pm

2 stops30h 05m

Hanoi Noibai

lun. 11/3

12:25 am-11:04 pm

2 stops34h 39m

$1,012

MiamiHanoi

MIA - HAN

MIAHAN

Miami

sáb. 2/28

6:02 pm-11:05 pm

2 stops41h 03m

Hanoi Noibai

lun. 3/16

12:25 am-10:16 pm

2 stops32h 51m

$1,026

MiamiHanoi

MIA - HAN

MIAHAN

Miami

jue. 10/30

9:00 am-10:30 pm

2 stops26h 30m

Hanoi Noibai

jue. 11/6

11:55 pm-9:57 pm

2 stops34h 02m

$1,040

MiamiHanoi

MIA - HAN

MIAHAN

Miami

mié. 11/5

6:00 am-10:30 pm

2 stops28h 30m

Hanoi Noibai

dom. 11/9

11:55 pm-12:36 am

2 stops36h 41m

$1,052

MiamiHanoi

MIA - HAN

MIAHAN

Miami

mar. 2/24

11:30 pm-7:45 pm

1 stop32h 15m

Hanoi Noibai

lun. 3/9

7:10 pm-5:25 pm

1 stop33h 15m

$1,056

MiamiHanoi

MIA - HAN

MIAHAN

Miami

mar. 9/23

7:02 am-9:50 pm

2 stops27h 48m

$427

MiamiHanoi

MIA - HAN

MIAHAN

Miami

mar. 9/23

4:16 pm-10:15 pm

3 stops42h 59m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 14 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 $864). Flying from Key Largo to Hanoi in December is currently the most expensive (average of $1,600). 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 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 Hanoi as you normally would.

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 septiembre 15, 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
3,624 reviews

Overall

7.4

Food

7.3

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Crew

7.9

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
3,624 reviews
Qatar Airways
7.4
Good
3,624 reviews

Overall

7.4

Food

7.3

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Crew

7.9

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
10,000 reviews
Qatar Airways
7.4
Good
3,624 reviews

Overall

7.4

Food

7.3

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Crew

7.9

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 26h 45m. Korean Air provides one of the quickest options available for as low as $961. 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 $864). Flying from Key Largo to Hanoi in December is currently the most expensive (average of $1,600). 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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Alternative routes for Key Largo to Hanoi

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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$746Average$1,733FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$1,019Average$1,671FlexibilityNo cancel feeOn-time68%

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