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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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SGN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,034
(China Airlines)

One-way from

$550
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,351
Provider with most accurate pricing for Miami-Ho Chi Minh City flight deals.
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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 March 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 March 31, 2025.

This China Airlines deal was found by Cheapflights users on 3/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:01 pmMIA - SGN
2 stops35h 19mMultiple Airlines
Sun 6/15:30 pmSGN - MIA
2 stops34h 51mMultiple Airlines
Deal found 3/30$1,034
This China Airlines deal was found by Cheapflights users on 3/31. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:01 pmMIA - HAN
2 stops29h 34mMultiple Airlines
Tue 5/2711:35 amHAN - MIA
2 stops40h 46mMultiple Airlines
Deal found 3/31$1,126
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/610:15 pmMIA - SGN
1 stop30h 55mTurkish Airlines
Tue 8/510:05 pmSGN - MIA
1 stop33h 15mTurkish Airlines
Deal found 3/30$1,151
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:20 pmMIA - SGN
2 stops33h 15mAir Canada
Sat 9/276:15 pmSGN - MIA
2 stops58h 05mAir Canada
Deal found 3/30$1,182
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Thu 5/157:00 amMIA - DAD
3 stops45h 15mMultiple Airlines
Thu 5/225:30 amDAD - MIA
3 stops43h 55mMultiple Airlines
Deal found 3/31$1,229
This Gurufare deal was found by Cheapflights users on 3/31. 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.
Wed 11/127:00 amMIA - SGN
2 stops26h 50mANA
Sun 11/1611:05 pmSGN - MIA
2 stops30h 42mANA
Deal found 3/31$1,314
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/38:25 amMIA - SGN
2 stops26h 35mAmerican Airlines
Sun 4/1311:20 pmSGN - MIA
2 stops27h 47mAmerican Airlines
Deal found 3/30$1,341
This Ovago deal was found by Cheapflights users on 3/31. 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.
Fri 4/188:50 amMIA - DAD
2 stops44h 45mChina Airlines
Fri 4/255:35 pmDAD - MIA
2 stops34h 56mChina Airlines
Deal found 3/31$1,341
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:10 pmMIA - HAN
3 stops43h 05mUnited Airlines
Thu 10/2311:35 pmHAN - MIA
2 stops52h 23mUnited Airlines
Deal found 3/31$1,362
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:35 amMIA - SGN
3 stops73h 15mUnited Airlines
Sun 11/1611:05 pmSGN - MIA
2 stops34h 45mUnited Airlines
Deal found 3/31$1,366
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:15 pmMIA - HAN
1 stop30h 10mTurkish Airlines
Thu 10/2311:05 pmHAN - MIA
1 stop32h 15mTurkish Airlines
Deal found 3/31$1,412
This Gurufare deal was found by Cheapflights users on 3/31. 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.
Thu 9/187:36 pmMIA - HAN
2 stops42h 54mPhilippine Airlines
Wed 10/221:45 amHAN - MIA
2 stops30h 29mPhilippine Airlines
Deal found 3/31$1,470

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 March 31, 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

Thu 5/1

6:01 pm-4:20 pm

2 stops35h 19m

Ho Chi Minh City

Sun 6/1

5:30 pm-5:21 pm

2 stops34h 51m

$1,034

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Mon 5/12

6:01 pm-10:35 am

2 stops29h 34m

Hanoi Noibai

Tue 5/27

11:35 am-5:21 pm

2 stops40h 46m

$1,126

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

Sun 7/6

10:15 pm-4:10 pm

1 stop30h 55m

Ho Chi Minh City

Tue 8/5

10:05 pm-8:20 pm

1 stop33h 15m

$1,151

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

Fri 9/12

6:20 pm-2:35 pm

2 stops33h 15m

Ho Chi Minh City

Sat 9/27

6:15 pm-5:20 pm

2 stops58h 05m

$1,182

MiamiDa Nang

MIA - DAD

MIADAD

Miami

Thu 5/15

7:00 am-3:15 pm

3 stops45h 15m

Da Nang

Thu 5/22

5:30 am-2:25 pm

3 stops43h 55m

$1,229

MiamiDa Nang

MIA - DAD

MIADAD

Miami

Fri 4/18

8:50 am-4:35 pm

2 stops44h 45m

Da Nang

Fri 4/25

5:35 pm-5:31 pm

2 stops34h 56m

$1,341

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

Fri 4/25

7:23 am-12:15 am

2 stops29h 52m

Ho Chi Minh City

Wed 6/25

11:15 pm-11:49 am

2 stops47h 34m

$1,349

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Thu 9/18

4:10 pm-10:15 pm

3 stops43h 05m

Hanoi Noibai

Thu 10/23

11:35 pm-4:58 pm

2 stops52h 23m

$1,362

MiamiHo Chi Minh City

MIA - SGN

MIASGN

Miami

Sun 4/27

6:22 am-12:15 am

2 stops30h 53m

Ho Chi Minh City

Sat 5/10

11:15 pm-8:34 pm

2 stops32h 19m

$1,385

MiamiHanoi

MIA - HAN

MIAHAN

Miami

Thu 9/18

10:15 pm-3:25 pm

1 stop30h 10m

Hanoi Noibai

Thu 10/23

11:05 pm-8:20 pm

1 stop32h 15m

$1,412

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 45 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 $935). Flying from Key Largo to Vietnam in June is currently the most expensive (average of $1,572). 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 March 31, 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 March 31, 2025.
See what other customers who have flown with Korean Air, ANA and China 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.
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,051 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
831 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.2
Very good
723 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,192 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,899 reviews
Korean Air
8.4
Very good
1,051 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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?

    $606 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on Cathay Pacific and Air Canada, with prices starting from $714 and $716, 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 $935). Flying from Key Largo to Vietnam in June is currently the most expensive (average of $1,572). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$1,006Average$1,882FlexibilityNo cancel feeOn-time62%
Turkish AirlinesCheapest$1,056Average$1,399FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$1,079Average$1,422FlexibilityNo cancel feeOn-time67%
DeltaCheapest$1,110Average$1,812FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,118Average$1,273FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,191Average$1,591FlexibilityNo cancel feeOn-time68%
Singapore AirlinesCheapest$1,192Average$1,357FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,211Average$1,535FlexibilityNo cancel feeOn-time71%
China AirlinesCheapest$1,245Average$1,608FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$1,252Average$1,587FlexibilityNo cancel feeOn-time81%
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