Are direct flights from Sihanoukville Province to Hanoi always the best option?

Direct flights are often the most convenient, saving you time and avoiding layovers. However, they are not always the cheapest option. Flights with one or more connections can sometimes be significantly more affordable, depending on your travel priorities.

Can flexible travel dates help on Sihanoukville Province to Hanoi flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly between different days of the week or even within the same week. Using a flexible date search tool can highlight the most budget-friendly times to fly.

What extra costs should I check before booking Sihanoukville Province to Hanoi flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these additional expenses helps you calculate the true total cost of your trip.

Flights From Sihanoukville Province

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

RatePunk searches hundreds of travel sites at once for deals on flights to Hanoi

Prices updated 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Sihanoukville Province to Hanoi

Explore current cheapest deals departing from Sihanoukville Province to Hanoi

2026-09-19 – 2026-09-25
KOS - Hanoi
38% AI deal score
$301
$338
Round trip
2026-09-22 – 2026-10-01
KOS - Hanoi
37% AI deal score
$267
$338
Round trip
2026-09-22 – 2026-09-30
KOS - Hanoi
37% AI deal score
$270
$338
Round trip
2026-09-22 – 2026-09-23
KOS - Hanoi
39% AI deal score
$317
$338
Round trip
2026-09-22 – 2026-09-25
KOS - Hanoi
39% AI deal score
$314
$338
Round trip
2026-09-19 – 2026-09-23
KOS - Hanoi
42% AI deal score
$350
$338
Round trip
2026-09-19 – 2026-09-30
KOS - Hanoi
37% AI deal score
$269
$338
Round trip
2026-09-19 – 2026-10-01
KOS - Hanoi
37% AI deal score
$267
$339
Round trip
2026-09-19 – 2026-10-02
KOS - Hanoi
37% AI deal score
$265
$339
Round trip
2026-09-22 – 2026-10-02
KOS - Hanoi
37% AI deal score
$260
$339
Round trip

Sihanoukville Province to Hanoi: Overview

Insights for flights from Sihanoukville Province to Hanoi

For cheap flights from Sihanoukville Province to Hanoi, fares typically range from $479–$540, with a median of $515. Right now, fares are significantly below the typical level, indicating a favorable time to consider booking. However, currently 0% of recent fares are classified as a good price, suggesting that while prices are lower, exceptional deals are not prevalent.

When is the cheapest time to fly from Sihanoukville Province to Hanoi? The most affordable months to fly are October, with a median fare of $212, followed by January and March, both showing median fares of $233. These months offer significantly lower prices compared to the typical fare range, making them ideal for budget-conscious travelers.

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 time spent during layovers. The median number of stopovers for connecting flights is 2.

The route from Sihanoukville Province to Hanoi covers a distance of 1,206 kilometers, classifying it as a short-haul journey. This distance is typical for regional travel, often involving connecting flights to reach the destination.

How much is a round trip from Sihanoukville Province to Hanoi

Regular price: $296 - $411

Prices are currently within the regular range.

The regular price range for flights from Sihanoukville Province to Hanoi is $296 to $411. The current lowest deal is $342 with Angkor Air for travel from Sep 18-Sep 19.

now $342

Low $296

High $411

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

Vietnam Airlines

Last-minute flights going from Sihanoukville Province to Hanoi

Fri, Sep 18

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air

$301

$363

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$330

$348

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$296

$358

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$260

$358

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$260

$366

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$249

$368

One-way

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

4 nights

Sep 19 - Sep 23

$350 → $328

1 night

Sep 22 - Sep 23

$317 → $338

3 nights

Sep 22 - Sep 25

$314 → $338

6 nights

Sep 19 - Sep 25

$301 → $328

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 of $515.

📅 Best time to fly

Cheapest flights in October, January, and March

Historically, the cheapest flights are in October ($212), January ($233), and March ($233).

⏱️ Flight duration

Connecting flights average 12h 25m

Flights from Sihanoukville Province to Hanoi typically involve 2 stopovers, averaging 12h 25m.

✈️ Airlines & availability

Connecting flights only

There are no direct flights available. Connecting flights are offered by various airlines.

🏆 Airline highlight

Angkor Air has the most deals

Angkor Air has 57 deals, more than any other airline on this route.

🎯 Booking tip

Deals appear regularly

Deals on flights from Sihanoukville Province to Hanoi appear regularly.

Sihanoukville Province main airports to depart from

Sihanoukville International (KOS)

Cheapest

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

📍 ~13 km from Sihanoukville Province (reachable by car)

💸 Flights from ~$311

Hanoi main airports to arrive at

Noi Bai International (HAN)

Cheapest

Noi Bai International Airport is a good choice for reaching Hanoi and surrounding areas.

📍 ~22 km from city center (reachable by car)

💸 Flights from ~$312

Airports nearby Hanoi used as alternative

Cat Bi International (HPH)

Cat Bi International is the closest alternative airport to Hanoi, offering strong road connectivity via expressway.

📍 ~100 km from Hanoi (reachable by car)

💸 Flights from ~$398

Business & First Class Flight Deals to Hanoi

Discover luxury on the budget with premium cabin class on flights from Sihanoukville Province to Hanoi.

Elite

Best Elite deals to Hanoi

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From KOS

Elite

Oct 05

Hanoi, Vietnam

71% AI deal score

$1,280

$837

Save $443

Angkor Air, +1

Business Class

From KOS

Elite

Oct 31

Hanoi, Vietnam

66% AI deal score

$1,612

$1,146

Save $466

Angkor Air, +1

Business Class

From KOS

Elite

Oct 31

Hanoi, Vietnam

66% AI deal score

$1,645

$1,146

Save $499

Angkor Air, +1

Business Class

From KOS

Elite

Oct 28

Hanoi, Vietnam

66% AI deal score

$1,643

$1,146

Save $497

Angkor Air, +1

Business Class

From KOS

Elite

Oct 25

Hanoi, Vietnam

66% AI deal score

$1,629

$1,146

Save $483

Angkor Air, +1

Business Class

From KOS

Elite

Oct 26

Hanoi, Vietnam

66% AI deal score

$1,619

$1,146

Save $473

Angkor Air, +1

Business Class

From KOS

Elite

Oct 27

Hanoi, Vietnam

66% AI deal score

$1,619

$1,146

Save $473

Angkor Air, +1

Business Class

From KOS

Elite

Oct 26

Hanoi, Vietnam

66% AI deal score

$1,653

$1,146

Save $507

Angkor Air, +1

Business Class

From KOS

Elite

Oct 15

Hanoi, Vietnam

65% AI deal score

$1,548

$1,146

Save $402

Angkor Air, +1

Business Class

From KOS

Elite

Oct 01

Hanoi, Vietnam

65% AI deal score

$1,570

$1,146

Save $424

Angkor Air, +1

Business Class

From KOS

Elite

Oct 01

Hanoi, Vietnam

65% AI deal score

$1,589

$1,146

Save $443

Angkor Air, +1

Business Class

From KOS

Elite

Oct 01

Hanoi, Vietnam

65% AI deal score

$1,577

$1,146

Save $431

Angkor Air, +1

Business Class

Frequently Asked Questions About Flights to Hanoi

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Looking into flights with layovers instead of direct routes may also present cheaper options.

Booking in advance, often several weeks or months before your intended departure, can sometimes lead to lower prices. However, last-minute deals can occasionally appear, so it's useful to monitor price trends. Mid-week bookings may also offer slight advantages over weekend purchases.

Yes, comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it might involve extra travel time to and from these airports, the savings on airfare can be significant. Always factor in the total cost and convenience.

Related routes

More routes from Sihanoukville Province

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Sihanoukville Province to Hanoi: Overview

Insights for flights from Sihanoukville Province to Hanoi

How much is a round trip from Sihanoukville Province to Hanoi

Regular price: $296 - $411

Prices are currently within the regular range.

The regular price range for flights from Sihanoukville Province to Hanoi is $296 to $411. The current lowest deal is $342 with Angkor Air for travel from Sep 18-Sep 19.

now $342

Low $296

High $411

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

Vietnam Airlines

Last-minute flights going from Sihanoukville Province to Hanoi

Fri, Sep 18

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air

$301

$363

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$330

$348

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$296

$358

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$260

$358

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$260

$366

One-way

Sat, Sep 19

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air, Vietjet Air

$249

$368

One-way

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

4 nights

Sep 19 - Sep 23

$350 → $328

1 night

Sep 22 - Sep 23

$317 → $338

3 nights

Sep 22 - Sep 25

$314 → $338

6 nights

Sep 19 - Sep 25

$301 → $328

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 of $515.

📅 Best time to fly

Cheapest flights in October, January, and March

Historically, the cheapest flights are in October ($212), January ($233), and March ($233).

⏱️ Flight duration

Connecting flights average 12h 25m

Flights from Sihanoukville Province to Hanoi typically involve 2 stopovers, averaging 12h 25m.

✈️ Airlines & availability

Connecting flights only

There are no direct flights available. Connecting flights are offered by various airlines.

🏆 Airline highlight

Angkor Air has the most deals

Angkor Air has 57 deals, more than any other airline on this route.

🎯 Booking tip

Deals appear regularly

Deals on flights from Sihanoukville Province to Hanoi appear regularly.

Sihanoukville Province main airports to depart from

Sihanoukville International (KOS)

Cheapest

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

📍 ~13 km from Sihanoukville Province (reachable by car)

💸 Flights from ~$311

Hanoi main airports to arrive at

Noi Bai International (HAN)

Cheapest

Noi Bai International Airport is a good choice for reaching Hanoi and surrounding areas.

📍 ~22 km from city center (reachable by car)

💸 Flights from ~$312

Airports nearby Hanoi used as alternative

Cat Bi International (HPH)

Cat Bi International is the closest alternative airport to Hanoi, offering strong road connectivity via expressway.

Hanoi, Vietnam

65% AI deal score

$1,577

$1,146

Save $431

Angkor Air, +1

Business Class

Frequently Asked Questions About Flights to Hanoi

Cheap Flights from Sihanoukville Province to Hanoi

Today’s best flight deals from Sihanoukville Province to Hanoi

Sihanoukville Province to Hanoi: Overview

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

Cheapest flights in October, January, and March

Connecting flights average 12h 25m

Connecting flights only

Angkor Air has the most deals

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

Oct 05

Oct 31

Oct 31

Oct 28

Oct 25

Oct 26

Oct 27

Oct 26

Oct 15

Oct 01

Oct 01

Oct 01

Frequently Asked Questions About Flights to Hanoi

How can I find cheap 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?

Are direct flights from Sihanoukville Province to Hanoi always the best option?

Can flexible travel dates help on Sihanoukville Province to Hanoi flights?

What extra costs should I check before booking Sihanoukville Province to Hanoi flights?

Related routes

More routes from Sihanoukville Province

Flights to Hanoi from other cities

Sihanoukville Province to Hanoi: Overview

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

Cheapest flights in October, January, and March

Connecting flights average 12h 25m

Connecting flights only

Angkor Air has the most deals

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

Oct 05

Oct 31

Oct 31

Oct 28

Oct 25

Oct 26

Oct 27

Oct 26

Oct 15

Oct 01

Oct 01

Oct 01

Frequently Asked Questions About Flights to Hanoi

How can I find cheap 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?