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$497+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SGN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$969
(Gurufare)

One-way from

$497
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,564
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. 3% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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. 9/157:35 pmMIA - SGN
2 stops40h 40mDelta
lun. 10/272:05 pmSGN - MIA
2 stops41h 51mDelta
Deal found 6/11$966
This Gurufare deal was found by Cheapflights users on 6/10. 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.
lun. 8/118:40 amMIA - SGN
2 stops26h 15mANA
mar. 9/911:15 pmSGN - MIA
2 stops27h 31mANA
Deal found 6/10$969
This United Airlines deal was found by Cheapflights users on 6/11. 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. 9/154:16 pmMIA - SGN
3 stops42h 39mUnited Airlines
lun. 10/2711:05 pmSGN - MIA
2 stops34h 59mUnited Airlines
Deal found 6/11$971
This Delta deal was found by Cheapflights users on 6/10. 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. 10/205:55 pmMIA - HAN
2 stops29h 45mDelta
mié. 10/2911:00 pmHAN - MIA
2 stops36h 52mDelta
Deal found 6/10$971
This Korean Air deal was found by Cheapflights users on 6/10. 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. 11/57:00 amMIA - HAN
2 stops40h 10mKorean Air
mié. 11/1912:20 pmHAN - MIA
2 stops43h 11mKorean Air
Deal found 6/10$976
This United Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 10/166:05 amMIA - HAN
2 stops29h 10mUnited Airlines
lun. 10/2712:25 amHAN - MIA
2 stops32h 33mUnited Airlines
Deal found 6/10$983
This ANA deal was found by Cheapflights users on 6/12. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:45 amMIA - SGN
2 stops26h 10mMultiple Airlines
mié. 10/87:00 amSGN - MIA
2 stops25h 13mMultiple Airlines
Deal found 6/12$1,006
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/27:00 amMIA - HAN
2 stops27h 30mAmerican Airlines
mié. 12/1011:55 pmHAN - MIA
2 stops33h 26mAmerican Airlines
Deal found 6/12$1,033
This oojo deal was found by Cheapflights users on 6/10. 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.
mar. 11/46:23 pmMIA - DAD
2 stops26h 47mChina Airlines
dom. 11/95:35 pmDAD - MIA
2 stops35h 43mChina Airlines
Deal found 6/10$1,044
This American Airlines deal was found by Cheapflights users on 6/11. 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. 12/26:00 amMIA - SGN
2 stops28h 25mAmerican Airlines
lun. 12/227:50 amSGN - MIA
2 stops26h 15mAmerican Airlines
Deal found 6/11$1,053
This oojo deal was found by Cheapflights users on 6/11. 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. 9/156:31 pmMIA - SGN
2 stops30h 09mEVA Air
dom. 10/261:55 amSGN - MIA
2 stops50h 23mEVA Air
Deal found 6/11$1,073
This oojo deal was found by Cheapflights users on 6/11. 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.
jue. 9/256:31 pmMIA - HAN
2 stops35h 19mChina Airlines
sáb. 10/255:50 pmHAN - MIA
2 stops34h 28mChina Airlines
Deal found 6/11$1,084

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 junio 12, 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

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

lun. 8/11

8:40 am-9:55 pm

2 stops26h 15m

Ho Chi Minh City

mar. 9/9

11:15 pm-3:46 pm

2 stops27h 31m

$969

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

lun. 7/28

6:22 am-9:55 pm

2 stops28h 33m

Ho Chi Minh City

lun. 8/25

11:15 pm-3:12 pm

2 stops26h 57m

$971

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

lun. 8/11

10:15 pm-4:10 pm

1 stop30h 55m

Ho Chi Minh City

mar. 9/9

10:05 pm-8:20 pm

1 stop33h 15m

$1,131

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

lun. 8/11

6:20 pm-9:55 am

2 stops28h 35m

Ho Chi Minh City

lun. 9/8

1:50 am-5:31 pm

2 stops50h 41m

$1,173

MiamiHanoi

MIA - HAN

MIAHAN

Miami

vie. 8/1

7:00 am-10:15 pm

2 stops28h 15m

Hanoi Noibai

dom. 8/24

11:35 pm-10:48 pm

2 stops34h 13m

$1,173

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

jue. 7/10

5:44 pm-9:55 pm

2 stops41h 11m

Ho Chi Minh City

sáb. 7/19

11:15 pm-3:10 pm

2 stops26h 55m

$1,225

MiamiDa Nang

MIA - DAD

MIADAD

Miami

lun. 8/4

6:20 pm-11:35 am

2 stops30h 15m

Da Nang

mar. 8/19

12:55 pm-5:31 pm

2 stops39h 36m

$1,240

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

mié. 7/30

2:15 pm-12:15 am

2 stops47h 00m

Ho Chi Minh City

sáb. 8/9

6:15 pm-5:20 pm

2 stops58h 05m

$1,335

MiamiHanoi

MIA - HAN

MIAHAN

Miami

vie. 8/1

10:15 pm-5:20 am

2 stops44h 05m

Hanoi Noibai

dom. 8/24

11:05 pm-8:20 pm

1 stop32h 15m

$1,404

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

jue. 7/10

11:30 pm-1:50 pm

1 stop27h 20m

Ho Chi Minh City

jue. 7/17

6:20 pm-4:50 pm

2 stops33h 30m

$1,524

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 46 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 $920). Flying from Key Largo to Vietnam in June is currently the most expensive (average of $1,475). 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 junio 12, 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.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 junio 12, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Key Largo to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

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
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

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
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

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
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

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
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

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?

    $535 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and China Airlines, with prices starting from $541 and $563, 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 $920). Flying from Key Largo to Vietnam in June is currently the most expensive (average of $1,475). 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 Vietnam

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$693Average$1,404FlexibilityNo cancel feeOn-time79%
JetBlueCheapest$750Average$1,404FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$1,002Average$1,555FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,045Average$1,571FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$1,056Average$1,354FlexibilityNo cancel feeOn-time77%
ANACheapest$1,059Average$1,114FlexibilityNo cancel feeOn-time80%
Air CanadaCheapest$1,079Average$1,422FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,118Average$1,276FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,133Average$1,511FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$1,179Average$1,521FlexibilityNo cancel feeOn-time68%

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