Kolkata to Hanoi flight deals
CCU → HAN · Hanoi, Vietnam · e-Visa for Indian passports
Typical price
₹24,059
Good price is under
₹23,006
All-time low we've seen
₹21,857
90-day average
₹32,388
Cheapest month: Feb 2027
Lowest return fare seen for each departure month, CCU → HAN.
- Nov 2026₹33,717
Seen 24 Sep · no live fare right now
Diwali rush
- Dec 2026₹30,310
Live now ₹33,642 · seen ₹30,310 on 24 Sep · 1 Dec–2 Dec on Google Flights
Xmas–NY rush
- Feb 2027₹22,689
Live now ₹26,761 · seen ₹22,689 on 30 Sep · 4 Feb on Google Flights
From 4 departure dates checked in the last 14 days. “Live” means checked in the last 48 hours; older fares may have changed. Red tags mark Indian holiday rushes, when fares out of India tend to rise.
When to book
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.1% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −0.9% to 0.0%.
- Under 2 weeks+6.1%
- 2–4 weeks−0.7%
- 1–2 months−0.8%
- 2–3 months0.0%
- 3+ months−0.9%
How far ahead the fare was booked, versus that departure date's average price, so the season doesn't skew it. All routes: 8,956 departure-date samples.
Fly from another city
Cheapest live return fare to Hanoi from other Indian airports. Getting to that airport costs extra.
- From AhmedabadAMD · 11 Mar₹28,719₹1,958 more than from Kolkata
- From KochiCOK · 25 Feb₹30,163₹3,402 more than from Kolkata
- From DelhiDEL · 24 Jan–6 Feb₹32,155₹5,394 more than from Kolkata
- From MumbaiBOM · 27 Oct–3 Nov₹33,484₹6,723 more than from Kolkata
- From BangaloreBLR · 27 Nov–5 Dec₹36,640₹9,879 more than from Kolkata
Kolkata to Hanoi: questions
What is the cheapest month to fly from Kolkata to Hanoi?
Across 3 departure months, Feb 2027 has the lowest return fare we've seen in the last 14 days: ₹22,689. The priciest is Nov 2026 at ₹33,717. Fares change daily, so check the live price before you book.
How far ahead should I book Kolkata to Hanoi flights?
Book at least 2 weeks ahead. Across all FlyBun routes, fares in the last 2 weeks before departure averaged +6.1% versus the same dates booked earlier, while booking 2 weeks to 3+ months ahead stayed within −0.9% to 0.0%.
Do Indian passport holders need a visa for Vietnam?
Indian passport holders need an e-visa for Vietnam, applied for online before travel (allow about 5 days). Phu Quoc island only: visa-free for 30 days if your international flight lands at Phu Quoc (a stop in Singapore, KL or Bangkok is fine). Connecting via Hanoi, Ho Chi Minh City or Da Nang? Get the e-visa. Official e-visa at evisa.gov.vn, usually about 3 working days.
What is a good price for a Kolkata to Hanoi flight?
A return fare under ₹23,006 is a good price on this route. The typical fare is around ₹24,059, and the lowest we've ever seen is ₹21,857.
How often does FlyBun check Kolkata to Hanoi fares?
Every 4 hours, across departure dates months ahead. When a fare is cheaper than most FlyBun has seen on this route and at least 20% below its typical price, it's published as a deal and everyone watching this route gets an alert.
FlyBun checks fares from Indian cities every 4 hours and alerts you free when they drop.