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$451+ Cheap flights from San Diego (SAN) 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from San Diego to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$793
(United Airlines)

One-way from

$451
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$1,515
From San Diego to Hanoi Noibai
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One-way flight from San Diego to Hanoi Noibai
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Highest demand for flights based on searches. 19% potential increase in price ($315 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($109 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 San Diego to Hanoi

Cheapest flights from San Diego to Hanoi
Explore the most affordable flight options available from San Diego to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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.
Wed 9/36:15 amSAN - HAN
2 stops26h 00mUnited Airlines
Sun 9/1411:35 pmHAN - SAN
2 stops32h 48mUnited Airlines
Deal found 6/10$793
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:28 amSAN - HAN
2 stops39h 22mChina Airlines
Wed 10/2211:35 amHAN - SAN
2 stops34h 54mChina Airlines
Deal found 6/12$825
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.
Fri 11/76:15 amSAN - HAN
2 stops24h 25mKorean Air
Sat 11/1511:00 pmHAN - SAN
2 stops30h 32mKorean Air
Deal found 6/10$886
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:27 amSAN - HAN
2 stops23h 23mJapan Airlines
Sun 9/1411:20 pmHAN - SAN
1 stop26h 15mJapan Airlines
Deal found 6/12$1,042
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:15 amSAN - HAN
2 stops25h 35mAlaska Airlines
Wed 10/2211:20 pmHAN - SAN
1 stop25h 50mAlaska Airlines
Deal found 6/10$1,052
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/278:00 amSAN - HAN
2 stops24h 15mANA
Sun 8/311:35 pmHAN - SAN
2 stops34h 26mANA
Deal found 6/12$1,065
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:15 amSAN - HAN
2 stops49h 45mAsiana Airlines
Wed 7/911:30 pmHAN - SAN
2 stops38h 14mAsiana Airlines
Deal found 6/10$1,071
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/271:35 pmSAN - HAN
1 stop18h 15mMultiple Airlines
Sun 8/35:50 pmHAN - SAN
2 stops39h 04mMultiple Airlines
Deal found 6/12$1,136
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:17 amSAN - HAN
2 stops29h 03mChina Eastern
Tue 7/82:20 amHAN - SAN
2 stops26h 59mChina Eastern
Deal found 6/11$1,564
This oojo deal was found by Cheapflights users on 6/9. 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.
Wed 6/1110:45 pmSAN - HAN
2 stops42h 30mQatar Airways
Sat 6/143:00 amHAN - SAN
2 stops47h 52mQatar Airways
Deal found 6/9$1,700
This STARLUX 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/116:53 pmSAN - HAN
2 stops25h 17mSTARLUX Airlines
Tue 7/2211:10 amHAN - SAN
2 stops25h 45mSTARLUX Airlines
Deal found 6/11$1,719
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/27:39 amSAN - HAN
2 stops37h 51mSingapore Airlines
Wed 7/96:30 pmHAN - SAN
3 stops38h 25mSingapore Airlines
Deal found 6/11$1,796

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego 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 June 12, 2025.
Use the filters below to find and compare flights from San Diego to Hanoi that are best for you.

Fly from

San Diego

Fly to

Hanoi

Route

Depart

Return

Price

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Wed 9/3

6:15 am-10:15 pm

2 stops26h 00m

Hanoi Noibai

Sun 9/14

11:35 pm-6:23 pm

2 stops32h 48m

$793

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Fri 8/1

9:40 am-10:40 am

2 stops35h 00m

Hanoi Noibai

Fri 8/8

12:00 pm-10:54 pm

2 stops24h 54m

$1,040

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Wed 9/3

8:27 am-9:50 pm

2 stops23h 23m

Hanoi Noibai

Sun 9/14

11:20 pm-11:35 am

1 stop26h 15m

$1,042

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Sun 7/27

8:00 am-10:15 pm

2 stops24h 15m

Hanoi Noibai

Sun 8/3

11:35 pm-8:01 pm

2 stops34h 26m

$1,065

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Wed 7/2

6:15 am-10:00 pm

2 stops49h 45m

Hanoi Noibai

Wed 7/9

11:30 pm-11:44 pm

2 stops38h 14m

$1,071

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Sun 7/27

1:35 pm-9:50 pm

1 stop18h 15m

Hanoi Noibai

Sun 8/3

5:50 pm-6:54 pm

2 stops39h 04m

$1,136

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Wed 7/2

6:17 am-1:20 am

2 stops29h 03m

Hanoi Noibai

Tue 7/8

2:20 am-3:19 pm

2 stops26h 59m

$1,564

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Wed 7/2

7:39 am-11:30 am

2 stops37h 51m

Hanoi Noibai

Wed 7/9

6:30 pm-6:55 pm

3 stops38h 25m

$1,796

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Sun 7/27

9:50 pm-1:10 pm

4 stops49h 20m

Hanoi Noibai

Sun 8/3

2:10 pm-2:54 pm

4 stops38h 44m

$2,077

San DiegoHanoi

SAN - HAN

SANHAN

San Diego

Fri 7/25

8:00 am-10:15 pm

2 stops24h 15m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
1
2

Best time to book a flight from San Diego to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from San Diego 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 San Diego to Hanoi

What is the cheapest month to book a flight from San Diego to Hanoi?

Currently, September is the cheapest month in which you can book a flight from San Diego to Hanoi (average of $975). Flying from San Diego to Hanoi in December is currently the most expensive (average of $1,618). 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 SAN to HAN?

Find hourly flight availability from San Diego 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Hanoi in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight at noon.

Rainfall in Hanoi by month

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

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.

Temperature in Hanoi by month

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

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).

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 June 12, 2025.
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.
Japan Airlines
8.3
Very good
1,489 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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
882 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.
Asiana Airlines
8.2
Very good
440 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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.
Singapore Airlines
8.1
Very good
1,302 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Overall

8.4

Entertainment

8.2

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 San Diego to Hanoi. 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 flying from San Diego to Hanoi round-trip?

    Cheapflights users have booked flights from San Diego to Hanoi round-trip from $793. Other airlines that can offer you cheap pricing are Korean Air, from $1,040, and Japan Airlines, from $1,042. United Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from San Diego to Hanoi that include hotel bookings?

    Yes. In addition to deals on San Diego to Hanoi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Hanoi.

  • Can I find deals for business class flights from San Diego to Hanoi?

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from San Diego to Hanoi (average of $975). Flying from San Diego to Hanoi in December is currently the most expensive (average of $1,618). 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 San Diego to Hanoi

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Top airline flying from San Diego to Hanoi

Discover the top airline that operate flights from San Diego 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$884Average$1,012FlexibilityNo cancel feeOn-time81%

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