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$482+ Cheap flights from Key Largo, FL to Vietnam

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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SGN
ago. 6 — ago. 131
mié. 8/6
mié. 8/13
1 adult, Economy
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Cheap flight deals from Key Largo to Vietnam

Keep the following information in mind while searching for Key Largo to Vietnam flight deals. Data was last updated agosto 1, 2025.

Round-trip from

$875
(Delta)

One-way from

$482
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,214
From Key Largo to Vietnam
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One-way flight from Key Largo to Vietnam
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Highest demand for flights based on searches. 4% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Key Largo to Vietnam

Cheapest flights from Key Largo to Vietnam
Explore the most affordable flight options available from Key Largo to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 1, 2025.

This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/297:38 pmMIA - SGN
2 stops29h 57mDelta
mié. 10/298:05 amSGN - MIA
2 stops36h 30mDelta
Deal found 7/30$875
This Delta deal was found by Cheapflights users on 7/31. 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. 9/184:25 pmMIA - HAN
2 stops42h 10mDelta
jue. 10/2312:00 pmHAN - MIA
2 stops29h 21mDelta
Deal found 7/31$880
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:15 amMIA - SGN
2 stops28h 45mAmerican Airlines
mié. 10/88:20 amSGN - MIA
2 stops27h 29mAmerican Airlines
Deal found 7/30$887
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:06 amMIA - HAN
2 stops27h 24mAmerican Airlines
dom. 11/2311:55 pmHAN - MIA
2 stops33h 21mAmerican Airlines
Deal found 7/30$891
This Korean Air deal was found by Cheapflights users on 7/30. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:35 pmMIA - SGN
2 stops39h 30mKorean Air
sáb. 11/12:05 pmSGN - MIA
2 stops41h 54mKorean Air
Deal found 7/30$966
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:00 amMIA - SGN
2 stops28h 55mUnited Airlines
lun. 11/311:05 pmSGN - MIA
2 stops35h 59mUnited Airlines
Deal found 7/30$971
This Ovago deal was found by Cheapflights users on 7/31. 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. 9/158:40 amMIA - SGN
2 stops52h 35mANA
lun. 9/2211:15 pmSGN - MIA
2 stops27h 31mANA
Deal found 7/31$972
This Delta deal was found by Cheapflights users on 7/31. 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. 8/188:10 amMIA - DAD
2 stops25h 55mDelta
mié. 9/310:55 pmDAD - MIA
2 stops33h 35mDelta
Deal found 7/31$975
This United Airlines deal was found by Cheapflights users on 7/31. 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 stops34h 10mUnited Airlines
Deal found 7/31$982
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/127:06 amMIA - SGN
2 stops34h 44mJapan Airlines
dom. 11/1611:40 pmSGN - MIA
2 stops31h 34mJapan Airlines
Deal found 7/31$1,020
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/256:31 pmMIA - DAD
2 stops27h 19mChina Airlines
lun. 9/15:35 pmDAD - MIA
2 stops35h 10mChina Airlines
Deal found 7/29$1,026
This Mytrip deal was found by Cheapflights users on 7/31. 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.
jue. 9/46:05 amMIA - HAN
3 stops32h 15mMultiple Airlines
dom. 9/141:40 amHAN - MIA
3 stops42h 58mMultiple Airlines
Deal found 7/31$1,154

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Vietnam 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 agosto 1, 2025.
Use the filters below to find and compare flights from Key Largo to Vietnam that are best for you.

Fly from

Key Largo

Fly to

Vietnam

Route

Depart

Return

Price

MiamiHanoi

MIA - HAN

MIAHAN

Miami

dom. 1/18

7:30 pm-11:10 am

2 stops27h 40m

Hanoi Noibai

mar. 1/27

11:00 pm-4:44 pm

2 stops53h 44m

$824

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

lun. 9/29

7:38 pm-12:35 pm

2 stops29h 57m

Ho Chi Minh City

jue. 10/30

8:05 am-12:29 am

2 stops27h 24m

$875

MiamiHanoi

MIA - HAN

MIAHAN

Miami

jue. 9/18

4:25 pm-9:35 pm

2 stops42h 10m

Hanoi Noibai

jue. 10/23

12:00 pm-6:21 am

2 stops29h 21m

$880

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

jue. 9/4

7:00 am-11:15 pm

2 stops29h 15m

Ho Chi Minh City

mié. 9/10

11:45 pm-6:59 pm

2 stops30h 14m

$881

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

mar. 9/30

6:15 am-10:00 pm

2 stops28h 45m

Ho Chi Minh City

mié. 10/8

8:20 am-12:49 am

2 stops27h 29m

$887

MiamiHanoi

MIA - HAN

MIAHAN

Miami

lun. 11/17

7:06 am-10:30 pm

2 stops27h 24m

Hanoi Noibai

dom. 11/23

11:55 pm-9:16 pm

2 stops33h 21m

$891

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

mar. 9/30

6:00 am-9:55 pm

2 stops28h 55m

Ho Chi Minh City

lun. 11/3

11:05 pm-11:04 pm

2 stops35h 59m

$971

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

lun. 9/15

8:40 am-12:15 am

2 stops52h 35m

Ho Chi Minh City

lun. 9/22

11:15 pm-3:46 pm

2 stops27h 31m

$972

MiamiDa Nang

MIA - DAD

MIADAD

Miami

lun. 8/18

8:10 am-9:05 pm

2 stops25h 55m

Da Nang

mié. 9/3

10:55 pm-9:30 pm

2 stops33h 35m

$975

MiamiHanoi

MIA - HAN

MIAHAN

Miami

lun. 9/22

4:16 pm-10:15 pm

3 stops42h 59m

Hanoi Noibai

mié. 10/8

11:35 pm-10:45 pm

2 stops34h 10m

$982

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 35 results
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Best time to book a flight from Key Largo to Vietnam

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

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

Currently, March is the cheapest month in which you can book a flight from Key Largo to Vietnam (average of $914). Flying from Key Largo to Vietnam in June is currently the most expensive (average of $1,430). 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 VN?

Find hourly flight availability from Key Largo to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 1, 2025.

When flying from Key Largo to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated agosto 1, 2025.
Read reviews from past customers who have flown EVA Air, Korean Air, and ANA from Key Largo to Vietnam. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,220 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
922 reviews
EVA Air
8.4
Very good
1,220 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,536 reviews
EVA Air
8.4
Very good
1,220 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,220 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Key Largo to Vietnam one-way?

    $492 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on Korean Air and Delta, with prices starting from $514 and $518, respectively.

  • What are the most popular routes from Key Largo to Vietnam?

    The most popular route from Key Largo to Vietnam is Miami - Ho Chi Minh City. You may also consider Miami - Hanoi Noibai or Miami - Da Nang.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Key Largo to Vietnam (average of $914). Flying from Key Largo to Vietnam in June is currently the most expensive (average of $1,430). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Key Largo to Vietnam

Discover the top 10 airlines that operate flights from Key Largo to Vietnam. 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 agosto 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$693Average$1,390FlexibilityNo cancel feeOn-time79%
ANACheapest$744Average$1,108FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$750Average$1,473FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$872Average$1,293FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,002Average$1,584FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,019Average$1,533FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,024Average$1,493FlexibilityNo cancel feeOn-time71%
China AirlinesCheapest$1,028Average$1,669FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$1,079Average$1,422FlexibilityNo cancel feeOn-time67%
DeltaCheapest$1,110Average$1,709FlexibilityNo cancel feeOn-timeN/A

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