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

Direct flights offer convenience and save travel time, but they are not always the most economical choice. Flights with one or more layovers can often be significantly cheaper. Consider your priorities between cost savings and travel duration when making your decision.

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

Absolutely, being flexible with your travel dates can often lead to substantial savings on flights. Prices can vary greatly even within the same week, so adjusting your departure or return by a few days may result in a better deal. Weekday travel is often less expensive than weekend travel.

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. Factor these into your total travel budget to avoid surprises.

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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Sihanoukville Province to Hanoi

Explore current cheapest deals departing from Sihanoukville Province to Hanoi

2026-08-15 – 2026-08-30
KOS - Hanoi
39% AI deal score
$232
$305
Round trip
2026-08-02 – 2026-08-30
KOS - Hanoi
39% AI deal score
$235
$305
Round trip
2026-08-11 – 2026-08-30
KOS - Hanoi
39% AI deal score
$229
$305
Round trip
2026-08-02 – 2026-08-25
KOS - Hanoi
39% AI deal score
$237
$307
Round trip
2026-08-02 – 2026-08-21
KOS - Hanoi
39% AI deal score
$238
$307
Round trip
2026-08-15 – 2026-08-25
KOS - Hanoi
39% AI deal score
$245
$307
Round trip
2026-08-19 – 2026-08-30
KOS - Hanoi
39% AI deal score
$242
$307
Round trip
2026-07-25 – 2026-08-21
KOS - Hanoi
38% AI deal score
$232
$313
Round trip
2026-09-09 – 2026-09-19
KOS - Hanoi
38% AI deal score
$227
$342
Round trip
2026-09-11 – 2026-09-19
KOS - Hanoi
39% AI deal score
$235
$343
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, current fares are significantly below the typical level, though the share of recent fares classified as a good price is 0%. New deals show up several times a week.

A typical journey from Sihanoukville Province to Hanoi takes 12h 25m, including connections. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 2.

The route from Sihanoukville Province to Hanoi covers a distance of 1,206 kilometers, classifying it as a short-haul flight.

How much is a round trip from Sihanoukville Province to Hanoi

Regular price: $195 - $432

Prices are currently within the regular range.

The regular price range for flights from Sihanoukville Province to Hanoi is $195-$432. The current lowest deal is $308 with Cambodia Airways for travel from Aug 15-Aug 30.

now $308

Low $195

High $432

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, Jul 27

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$234

$319

One-way

Mon, Jul 27

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$234

$319

One-way

Fri, Jul 31

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$232

$318

One-way

Fri, Jul 31

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$232

$320

One-way

Fri, Jul 31

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$231

$320

One-way

Tue, Aug 4

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air

$299

$358

One-way

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

1 night

Sep 8 - Sep 9

$254 → $288

13%

6 nights

Sep 3 - Sep 9

$246 → $288

17%

2 nights

Aug 20 - Aug 22

$285 → $344

21%

7 nights

Aug 4 - Aug 11

$299 → $358

20%

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

October is historically the cheapest month to fly.

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

⏱️ Flight duration

Flights are typically 12h 25m with 2 stopovers.

Flights from Sihanoukville Province to Hanoi typically take 12h 25m, with 2 stopovers.

✈️ Airlines & availability

Four airlines offer direct flights.

Four airlines offer direct flights from Sihanoukville Province to Hanoi, with regular deal cadences.

🏆 Airline highlight

Angkor Air has 58 direct deals.

Angkor Air has 58 direct deals, making it a frequent choice for this route.

🎯 Booking tip

Set a price alert for deals.

Set a price alert to be notified when prices drop for flights from Sihanoukville Province to Hanoi.

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

Business & First Class Flight Deals to Hanoi

46% AI deal score

$1,479

$1,300

Save $179

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 sites can often reveal better deals. Looking into flights with layovers instead of direct routes may also present cheaper options.

Booking flights in advance, often several months out, can sometimes lead to lower prices. However, prices can fluctuate, so it's advisable to monitor fares over time. Avoiding peak travel seasons may also help in securing more budget-friendly tickets.

Yes, comparing nearby airports at both your origin and destination can sometimes uncover more affordable flight options. Even if a nearby airport is a bit further, the potential savings on airfare may be significant. Always factor in the cost and time of ground transportation to and from these alternative airports.

Related routes

More routes from Sihanoukville Province

Flights from Sihanoukville Province to Hong Kong Flights from Sihanoukville Province to New Delhi Flights from Sihanoukville Province to Osaka Flights from Sihanoukville Province to Taipei

Flights to Hanoi from other cities

Flights from Chennai to Hanoi Flights from Kuala Lumpur to Hanoi Flights from Langkawi to Hanoi Flights from London to Hanoi Flights from Los Angeles to Hanoi Flights from Luang Prabang to Hanoi Flights from Macau to Hanoi Flights from Manila to Hanoi Flights from Melbourne to Hanoi Flights from Milan to Hanoi Flights from Muscat to Hanoi Flights from Praya, Lombok to Hanoi

Sihanoukville Province to Hanoi: Overview

Insights for flights from Sihanoukville Province to Hanoi

The route from Sihanoukville Province to Hanoi covers a distance of 1,206 kilometers, classifying it as a short-haul flight.

How much is a round trip from Sihanoukville Province to Hanoi

Regular price: $195 - $432

Prices are currently within the regular range.

The regular price range for flights from Sihanoukville Province to Hanoi is $195-$432. The current lowest deal is $308 with Cambodia Airways for travel from Aug 15-Aug 30.

now $308

Low $195

High $432

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, Jul 27

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$234

$319

One-way

Mon, Jul 27

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$234

$319

One-way

Fri, Jul 31

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$232

$318

One-way

Fri, Jul 31

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$232

$320

One-way

Fri, Jul 31

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Cambodia Airways, Vietjet Air

$231

$320

One-way

Tue, Aug 4

⌛ Last-Minute

KOS - Hanoi

Sihanoukville Province (KOS) - Hanoi (HAN)

Angkor Air

$299

$358

One-way

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

1 night

Sep 8 - Sep 9

$254 → $288

13%

6 nights

Sep 3 - Sep 9

$246 → $288

17%

2 nights

Aug 20 - Aug 22

$285 → $344

21%

7 nights

Aug 4 - Aug 11

$299 → $358

20%

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

October is historically the cheapest month to fly.

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

⏱️ Flight duration

Flights are typically 12h 25m with 2 stopovers.

Flights from Sihanoukville Province to Hanoi typically take 12h 25m, with 2 stopovers.

✈️ Airlines & availability