To Hanoi

Cheap Flights from Sihanoukville Province to Hanoi

Browse current best options from Sihanoukville Province. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Sihanoukville Province

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Prices updated 24 days ago

486,190 searches this week

171 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Sihanoukville Province to Hanoi

Explore current cheapest deals departing from Sihanoukville Province to Hanoi

Round trip

Sort by: Cheapest

August 11 - August 14

Cheapest

Best

KOS - Hanoi

$272

$308

Round trip

July 7 - July 9

Cheapest

Earliest

KOS - Hanoi

$239

$308

Round trip

August 5 - August 22

KOS - Hanoi

$224

$347

Round trip

August 12 - August 22

KOS - Hanoi

$239

$348

Round trip

August 12 - August 25

KOS - Hanoi

$233

$348

Round trip

August 5 - August 25

KOS - Hanoi

$221

$348

Round trip

September 8 - September 19

KOS - Hanoi

$227

$355

Round trip

September 4 - September 19

KOS - Hanoi

$220

$356

Round trip

September 3 - September 8

KOS - Hanoi

$251

$356

Round trip

September 17 - September 19

KOS - Hanoi

$253

$356

Round trip

Unlock all 500+ flight deals to Hanoi and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Sihanoukville Province to Hanoi

Fares for cheap flights from Sihanoukville Province to Hanoi typically range from $479–$517, with a median of $489. Right now, current fares are significantly below the typical level, presenting a notable opportunity for travelers. However, 0% of recent fares were classified as a good price, indicating that while prices are lower, exceptional deals are not common.

A typical journey from Sihanoukville Province to Hanoi takes approximately 12h 25m, including connections. Given that most itineraries connect at least once, this duration accounts for the layovers involved in reaching your destination.

When considering the cheapest time to fly from Sihanoukville Province to Hanoi, October stands out with a median fare of $212. Following closely are January and March, both offering median fares of $233, making these months particularly attractive for budget-conscious travelers.

For flights from Sihanoukville Province to Hanoi, most itineraries connect at least once. In fact, 0% of recent fares were for non-stop flights. For those itineraries that do involve connections, the typical number of stopovers is 2.

How much is a round trip from Sihanoukville Province to Hanoi

Regular price: $222 - $419

Prices are currently within the regular range for flights from Sihanoukville Province to Hanoi.

The regular price range for this route is between 222 USD and 419 USD. The current lowest deal is 308 USD with Cambodia Airways for travel from Aug 11-Aug 14.

now $308

Low $222

High $419

The cheapest time to fly from Sihanoukville Province to Hanoi

The cheapest month to fly from KOS to HAN is October, with a median price of $212. The most expensive month is July, with a median price of $539. Generally, prices are lower from January to October.

October

Cheapest

Flights from $212

July

Most Expensive

Flights from $539

Jan

Mar

Apr

May

Jun

Jul

Aug

Oct

Direct flights from Sihanoukville Province to Hanoi

Angkor Air

Vietjet Air

Air Kyrgyzstan

Cambodia Airways

Last-minute flights going from Sihanoukville Province to Hanoi

Mon, Jun 22

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

AirAsia

$292

$507

One-way

Tue, Jul 7

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$239

$308

One-way

Thu, Jul 9

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air

$229

$556

One-way

Wed, Aug 5

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$224

$347

One-way

Wed, Aug 5

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$221

$348

One-way

Tue, Aug 11

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$272

$308

One-way

Biggest price drops on these dates for flights from Sihanoukville Province to Hanoi

3 nights

Aug 11 - Aug 14

$272 → $308

13%

2 nights

Jul 7 - Jul 9

$239 → $308

29%

1 night

Sep 4 - Sep 5

$253 → $356

41%

2 nights

Sep 17 - Sep 19

$253 → $356

41%

Popular Airports to fly from Sihanoukville Province to Hanoi

Sihanoukville Province - Hanoi route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Sihanoukville Province to Hanoi are below the typical level.

📅 Best time to fly

October is historically cheapest

Historically, October is the cheapest month to fly, with a median price of $212.

⏱️ Flight duration

Connecting flights take 12h 25m

Connecting flights from Sihanoukville Province to Hanoi typically take 12h 25m.

✈️ Airlines & availability

Connecting flights only

There are no direct flights. Expect connecting flights with 2 stopovers on average.

🏆 Airline highlight

Angkor Air offers connecting flights

Angkor Air has historically offered connecting flights for this route.

🎯 Booking tip

Deals appear regularly

Deals for this route appear regularly, about 0.23 times per day.

Sihanoukville Province main airports to depart from

Sihanoukville International (KOS)

Cheapest

Sihanoukville International Airport is a convenient departure point for flights from Sihanoukville Province to Hanoi.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$308

Hanoi main airports to arrive at

Noi Bai International (HAN)

Cheapest

Noi Bai International Airport is a convenient arrival point for your trip to Hanoi.

📍 ~30 km from city center (reachable by car)

💸 Flights from ~$308

Airports nearby Hanoi used as alternative

Cat Bi International (HPH)

Cheapest

Cat Bi International is a useful alternative arrival airport, especially with its modern high-speed expressway connection to Hanoi.

📍 ~100 km from Hanoi (reachable by car)

💸 Flights from ~$328

Van Don International Airport (VDO)

Van Don International Airport offers modern facilities and a direct expressway connection, serving as a reliable alternative for Northern Vietnam.

📍 ~135 km from Hanoi (reachable by car)

💸 Flights from ~$428

Vinh International (VII)

Vinh International is a major regional hub, accessible via railway and highway, offering more flight frequency than other secondary domestic airports.

📍 ~290 km from Hanoi (reachable by road)

💸 Flights from ~$346

Thanh Hoa Tho Xuan (THD)

Thanh Hoa Tho Xuan is geographically closer than Vinh and serves as a domestic backup for North-Central travel.

📍 ~125 km from Hanoi (reachable by road)

💸 Flights from ~$345

Nanning Wuxu International (NNG)

Nanning Wuxu International is a large international hub with an extensive network, accessible via international rail or bus.

📍 ~210 km from Hanoi (reachable by rail or bus)

💸 Flights from ~$358

Business & First Class Flight Deals to Hanoi

43% AI deal score

$1,404

From KOS

Elite

Jun 20

Hanoi, Vietnam

43% AI deal score

$1,470

From KOS

Elite

Jun 20

Hanoi, Vietnam

43% AI deal score

$1,522

Frequently Asked Questions About Flights to Hanoi

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison websites can help you compare prices across various providers. Looking into different airlines, including budget carriers, may also reveal cheaper options.

Booking in advance, often several weeks or months before your intended departure, can sometimes lead to better prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different rates.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it might involve additional ground transportation, the savings on airfare could be significant. Always factor in the total cost and travel time.

Related routes

Consider alternative routes from Sihanoukville Province

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Cheap Flights from Sihanoukville Province to Hanoi

Today’s best flight deals from Sihanoukville Province to Hanoi

Unlock all 500+ flight deals to Hanoi and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Sihanoukville Province to Hanoi

How much is a round trip from Sihanoukville Province to Hanoi

The cheapest time to fly from Sihanoukville Province to Hanoi

Direct flights from Sihanoukville Province to Hanoi

Last-minute flights going from Sihanoukville Province to Hanoi

Biggest price drops on these dates for flights from Sihanoukville Province to Hanoi

Popular Airports to fly from Sihanoukville Province to Hanoi

Sihanoukville Province - Hanoi route insights

Recent fares are below the typical level

October is historically cheapest

Connecting flights take 12h 25m

Connecting flights only

Angkor Air offers connecting flights

Deals appear regularly

Sihanoukville Province main airports to depart from

Hanoi main airports to arrive at

Airports nearby Hanoi used as alternative

Business & First Class Flight Deals to Hanoi

Best Elite deals to Hanoi

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Frequently Asked Questions About Flights to Hanoi

How can I find cheap flights from Sihanoukville Province to Hanoi?

How can I find cheap flights from Sihanoukville Province to Hanoi?

When should I book flights from Sihanoukville Province to Hanoi?

When should I book flights from Sihanoukville Province to Hanoi?

Should I compare nearby airports for flights from Sihanoukville Province to Hanoi?