LetsFG

Flights Hanoi (Soc Son) → Khon Kaen

As of November 2026, economy flights from Hanoi (Soc Son) to Khon Kaen have a typical range THB 5482–21385, median THB 9745. Full range across all 55 offers: THB 4265–50595. We found 45% of 55 offers from budget carriers (around THB 7783) and 55% from full-service carriers (around THB 9813).

55 offersavg THB 193817 in feesFresh · November 2026
Search Hanoi (Soc Son) → Khon Kaen — see your price →

Preview snapshot — prices change. Search for live results.

Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →

Two fare clusters detected: budget fares around 6581 and premium fares around 48278

Best offers by airline: Hanoi (Soc Son) → Khon Kaen

Based on 55 offers · November 2026. Prices and availability change — run a live search to confirm.

VietJet AirTHB 4265
6h 15m–16h 20mMin 1 stopAfternoon (12–18)
Non-refundable
Search VietJet Air
Thai AirAsiaTHB 5211
6h 50m–14h 55mMin 1 stopEvening (18–21)
Search Thai AirAsia
Thai AirwaysTHB 5395
4h 35m–24h 50mMin 1 stopMorning (06–12)
Non-refundable
Search Thai Airways
Vietnam AirlinesTHB 5752
4h 35m–25h 30mMin 1 stopAfternoon (12–18)
Search Vietnam Airlines
Hahn Air SystemsTHB 6120
6h 15mMin 1 stopAfternoon (12–18)
Search Hahn Air Systems
Ethiopian AirTHB 7072
9h 30m–19h 50mMin 1 stopNight (21–00)
Bags included
Search Ethiopian Air
Bangkok AirwaysTHB 7343
5h 55m–7h 45mMin 1 stopAfternoon (12–18)
Search Bangkok Airways
China EasternTHB 15047
13h 10mMin 2 stopsEvening (18–21)
Non-refundable
Search China Eastern
Cathay PacificTHB 49877
9h 5m–20h 40mMin 2 stopsMorning (06–12)
Checked: THB 271
Search Cathay Pacific
Vietnam AirlinesTHB 49877
9h 50mMin 2 stopsMorning (06–12)
Checked: THB 271
Search Vietnam Airlines
Cathay PacificTHB 50595
9h 50mMin 2 stopsMorning (06–12)
Non-refundable
Search Cathay Pacific

Bag & seat fees: Hanoi (Soc Son) → Khon Kaen

Add-on pricing from the cheapest available offer per airline · November 2026 · THB

AirlineCarry-onChecked bagSeat selection
VietJet Air———
Thai AirAsia———
Thai Airways———
Vietnam Airlines———
Ethiopian AirIncluded——
Bangkok Airways———
China Eastern———
Cathay Pacific—THB 271—
Vietnam Airlines—THB 271—
Cathay Pacific———

Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.

How much do flights from Hanoi (Soc Son) to Khon Kaen cost?

Based on 55 offers · November 2026

Hanoi (Soc Son) to Khon Kaen flights ranged from THB 4265 to THB 50595 across 55 offers analyzed in November 2026. Two fare clusters detected: budget fares around 6581 and premium fares around 48278 The chart below shows how prices distributed across all 55 offers.

P10: THB 5482P25: THB 5922P50: THB 9745P75: THB 11471P90: THB 21385

These 55 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.

50% of offers priced between THB 5922 and THB 11471

What hidden fees do Hanoi (Soc Son) to Khon Kaen flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Hanoi (Soc Son) to Khon Kaen routes. The breakdown below is based on 55 offers analyzed in November 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (THB)% of base fare
VJ256283146910%
FD338462%
TG00%
VN3383%
ET3385%
PG2713%
MU300%
Cathay Pacific2711%
Vietnam Airlines2711%
CX500%

VietJet Air: base ~THB -2557419 + fees THB 2562831 = ~THB 5412 total. China Eastern: base ~THB 15017 + fees THB 30 = ~THB 15047 total.

VietJet Air's THB 2562831 ancillary fees narrow the gap with China Eastern's lower-fee model — the THB 2572436 base difference shrinks to THB 9635 after fees. Always compare total cost, not just the advertised base fare.

Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from Hanoi (Soc Son) to Khon Kaen?

11 airlines flew Hanoi (Soc Son) to Khon Kaen in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.

Even on the cheapest airline (FD), fares ranged THB 5231–5827 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →

AirlineOffersTypical range (THB)Median (THB)Fees (THB)
FD35231–582753133384 (64%)
VietJet Air44315–665354122562831 (47359%)
Thai Airways115482–2128454820 (0%)
Ethiopian Airlines3—7072338 (5%)
H126322–79437133n/a
Bangkok Airways27431–81357783271 (3%)
Vietnam Airlines248189–115899813338 (3%)
China Eastern1—1504730 (0%)
Cathay Pacific3—49877271 (1%)
Vietnam Airlines1—49877271 (1%)
Cathay Pacific1—5059550 (0%)

Where do the best Hanoi (Soc Son) → Khon Kaen prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.

We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.

Key facts: Hanoi (Soc Son) to Khon Kaen flights

Frequently asked questions

How much does a flight from Hanoi (Soc Son) to Khon Kaen cost?
Based on 55 offers analyzed, Hanoi (Soc Son) to Khon Kaen flights range from THB 4265 to THB 50595, with a median price of THB 9745. Search for your specific dates →
What hidden fees should I expect on Hanoi (Soc Son) to Khon Kaen flights?
On average, ancillary fees (bags, seat selection) add THB 193817 to the base fare on Hanoi (Soc Son) to Khon Kaen flights. See itemized fees for your itinerary →
Which airline is cheapest on Hanoi (Soc Son) to Khon Kaen including all fees?
FD has the lowest median fare on Hanoi (Soc Son) to Khon Kaen at THB 5313 (median across 3 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Hanoi (Soc Son)–Khon Kaen flights?
It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was THB 6038. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Hanoi (Soc Son) to Khon Kaen routes?
Hanoi (Soc Son) to Khon Kaen has 11 airlines competing, creating a price range from THB 4265 to THB 50595 across 55 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →

11 airlines, two price clusters — find which fits your budget

Find flights for my dates

New route — be among the first to track this itinerary

Building with flight data? Power your app or agent with LetsFG

The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.

Try the free sandbox — no card →

Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers

Flights Hanoi (Soc Son) → Khon Kaen: Price Data & Hidden Fees | LetsFG