Koh Samui to Mumbai Flights from ₹33,136 — Book Cheap Tickets
Compare live fares across every airline. Data-driven insights powered by Meera AI.
How much is a Koh Samui to Mumbai flight, and when is it cheapest?
The cheapest Koh Samui→Mumbai fare in the next 72 days is ₹39,433 on Wed, 9 Sep 2026 (Thai Airways); the typical fare is ₹88,013 — picking the right date saves about 55%.
₹39,433 cheapest Koh Samui→Mumbai fare · 72-day window HappyFares data · 197 fares observed · updated daily
| Travel date | Cheapest fare | Airline |
|---|---|---|
| Wed, 9 Sep 2026 | ₹39,433 | Thai Airways |
| Wed, 24 Jun 2026 | ₹46,743 | Thai Airways |
| Wed, 17 Jun 2026 | ₹47,379 | Malaysia Airlines |
What is the cheapest day to fly Koh Samui to Mumbai?
Based on HappyFares fare data, Wednesday is the cheapest day to fly Koh Samui→Mumbai — about 12% below Sunday, the priciest day.
Price trend — last 14 days
Lowest fare observed daily on USM→BOM:
📅 Monthly Delay Risk
How on-time performance typically varies through the year on USM→BOM based on historical weather and operational patterns:
June to September is peak monsoon for most of India's west coast, south, and east. Mumbai, Goa, Kerala, and Karnataka airports see heavy rainfall-triggered delays and occasional diversions. Kolkata is hit by cyclonic systems from the Bay of Bengal. Flight cancellations spike when runways flood or cross-wind limits are exceeded. July is typically the worst month.
💡 Tip: Book refundable fares during monsoon months. Avoid tight connections — monsoon delays can cascade. Late morning flights (8-11 AM) tend to be less affected than afternoon thunderstorm window.
Koh Samui to Mumbai flight fares by date
What is the Koh Samui to Mumbai flight fare on a specific date?
Upcoming Koh Samui→Mumbai fares (updated daily): Fri 12 Jun ₹47,960 · tomorrow (Sat 13 Jun) ₹48,255 · Sun 14 Jun ₹65,349 · Mon 15 Jun ₹47,802 · Tue 16 Jun ₹35,567 · Wed 17 Jun ₹39,275 · Thu 18 Jun ₹47,718 · Fri 19 Jun ₹48,020 · Sat 20 Jun ₹47,722 · Sun 21 Jun ₹56,478. The cheapest of the next 10 days is ₹35,567 on Tue 16 Jun.
Live lowest fares for the next 30 departure dates — tap any date to search that day.
Live lowest non-stop economy fares on Koh Samui→Mumbai, refreshed daily. Final price depends on availability at booking.
Koh Samui to Mumbai fares by month — planning ahead
The cheapest Koh Samui → Mumbai fare in the months ahead is ₹38,258 in Oct 2026. Real lowest non-stop fares observed for each month, from 393 price points — refreshed weekly. Useful for booking peak-season trips months in advance.
|
Aug 2026
from ₹57,903
32 fares · Singapore Airlines
|
Sep 2026
from ₹39,212
32 fares · Thai Airways
|
Sep 2026
from ₹39,212
32 fares · Thai Airways
|
Sep 2026
from ₹39,212
34 fares · Thai Airways
|
Oct 2026
from ₹38,258
33 fares · Thai Airways
|
Oct 2026
from ₹38,258
33 fares · Thai Airways
|
|
Oct 2026
from ₹38,258
39 fares · Thai Airways
|
Nov 2026
from ₹38,412
28 fares · Thai Airways
|
Nov 2026
from ₹38,412
32 fares · Thai Airways
|
Nov 2026
from ₹38,412
32 fares · Thai Airways
|
Dec 2026
from ₹39,481
33 fares · Thai Airways
|
Dec 2026
from ₹39,481
33 fares · Thai Airways
|
Lowest non-stop economy fares actually observed for each month on this route, aggregated weekly. Far-out fares move as airlines release inventory — book when the price suits you.
Special offers and discounts for Koh Samui to Mumbai flights
Bank-card discount calendar for Koh Samui to Mumbai flight bookings. Most Indian banks rotate offers on a monthly schedule — match your booking weekend to the participating card for the biggest saving. On top of these, HappyFares charges ₹0 convenience fee with code HFNCF (one-way) or RTHFNCF (round-trip) on direct happyfares.in bookings, saving an additional ₹249–₹499 per passenger.
| Window | Bank / provider | Offer | How to apply |
|---|---|---|---|
| 1st weekend of every month | HDFC Bank credit cards (SmartBuy / Diners Club / Millennia) | Flat ₹500–₹1,500 off on bookings ₹5,000+ | Auto-applied at checkout |
| 5th–10th of every month | Axis Bank credit cards (Magnus / Reserve / SELECT) | No-cost EMI 3/6 months on bookings ₹10,000+ | Choose Axis EMI at payment |
| 15th–20th of every month | ICICI Bank credit cards (HPCL / Coral / Rubyx) | ₹500 flat off on domestic ₹5,000+ | Auto-applied at checkout |
| 20th–25th of every month | SBI Cards (ELITE / PRIME / SimplyCLICK) | 5% cashback (max ₹1,000) on first booking | SBIFIRST (illustrative) |
| 25th–30th of every month | Kotak / Yes Bank / IDFC FIRST credit cards | ₹300–₹800 off on bookings ₹4,000+ | Auto-applied at checkout |
| Republic Day (Jan 21–26) | All major banks + airline direct sales | 10–25% off advance bookings 3–6 months out | Sale tag |
| GoIndependence (Aug 11–15) | All major banks | 15–25% off domestic + GCC bulk fares | Sale tag |
| Diwali Dhamaka (Nov 1–15) | All major banks | 15–30% off — largest sale of the year | Sale tag |
Exact codes change month to month. Check the offer panel during checkout — eligible offers auto-apply when your payment method matches.
Loyalty miles you can earn on Koh Samui to Mumbai
Each airline that operates Koh Samui-Mumbai runs its own loyalty / miles program. Miles earned on this ~3111 km long-haul round trip vary by airline and fare class. Frequent flyers of the route should pick the airline whose loyalty program matches their travel pattern (domestic vs international, alliance vs standalone).
| Airline | Loyalty program | Approx miles / round trip | Notes |
|---|---|---|---|
| IndiGo | IndiGo BluChip | 2,500-4,000 | Launched Nov 2024. Earn ~25% of distance flown on Saver, ~50% on Flexi, ~100% on UpFront. |
| Air India | Maharaja Club (formerly Flying Returns) | 3,500-6,000 | Star Alliance member — miles also earn status on Lufthansa, Singapore Airlines, United, Turkish, etc. |
| Air India Express | Maharaja Club (shared with Air India) | 2,000-3,000 | Lower earn rate than Air India parent, but still credits to the same Maharaja Club balance. |
| SpiceJet | SpiceClub | 1,800-3,500 | Reward Points (not miles); redeemable for SpiceJet flights only. |
| Akasa Air | AkasaSmiles (Silver/Gold) | No miles — tier benefits only | AkasaSmiles is a status program (extra baggage, priority boarding) rather than a mile-earning program. Currently no redemption flights. |
Mile-earning estimates assume base fare bookings; promotional fares typically earn 0–25% miles. Status-tier members (gold/platinum) often earn 50-100% bonus miles.
Group booking & family travel on Koh Samui to Mumbai
Travelling as a family or group of 5+ passengers on Koh Samui-Mumbai unlocks different fare structures, baggage allowances, and seating considerations than solo or 2-passenger travel. Below is what experienced family travellers tend to optimise for on this route.
Group fares (5+ passengers)
- Airline group desks: for 9+ passengers booked together, most Indian airlines (IndiGo, Air India, SpiceJet, Akasa) have dedicated group-booking desks that often quote 3-8% below the published online fare. Email groups@goindigo.in, groups@airindia.com, etc. with travel dates, sector, passenger count.
- HappyFares group-booking service: for Koh Samui-Mumbai bookings of 6+ passengers, contact us via WhatsApp 7670070070 for negotiated group rates that include the ₹0 convenience fee benefit on each ticket.
- Don't split the booking: booking 8 passengers as one PNR locks the same fare for everyone. Booking as 4+4 PNRs risks one half repricing if fare buckets shift between submissions.
Family travel tips (with children / infants)
- Infants (under 2): all Indian carriers charge ₹0 base fare for lap infants on domestic Koh Samui-Mumbai; 10% of adult fare on international. Bassinet seating must be requested at the time of booking (limited to row 1 of each cabin).
- Children 2-12: typically full adult fare on most Indian carriers (no child discount domestic). Some international carriers (Singapore Airlines, Emirates) offer 25% off for accompanied children.
- Seat selection: when booking, pay ₹100-500/seat to lock adjacent seats — otherwise the airline algorithm may scatter your family across the cabin. IndiGo UpFront and SpiceMax include free seat selection.
- Baggage: domestic Koh Samui-Mumbai allows 15 kg checked per adult + 7 kg cabin. Children get full adult allowance; lap infants get 10 kg checked + 1 collapsible stroller free.
- Special meals: request child meal (CHML) or vegetarian (VGML) at booking; meal preferences cannot be changed at the airport.
HappyFares Easy Refund for families
- 24-Hour RefundGuard (₹199/pax): for families locking in plans 60+ days out, this lets you cancel within 24 hours of booking for a full refund if plans shift. Cost for family of 4 = ₹796 — covers ~₹15,000+ in potential cancellation fees.
- Smart Saver Cancel-for-Any-Reason (₹399/pax): on eligible fare classes, lets you cancel up to 24 hours before departure for a full refund. Family of 4 = ₹1,596 — peace of mind for an Koh Samui-Mumbai trip booked 3-6 months ahead.
Carbon footprint of Koh Samui to Mumbai flight
A Koh Samui-Mumbai flight is ~3111 km. Estimated CO2 emissions per passenger:
Estimates use ICAO Carbon Emissions Calculator methodology: wide-body twin-aisle averaging ~85g CO₂/passenger-km. Actual emissions vary ±15% based on aircraft age, load factor, weather routing, and class of travel (business-class emissions are ~3× economy due to space per passenger).
How to reduce your Koh Samui to Mumbai flight footprint
- Fly direct (non-stop): direct flights emit ~10% less CO₂ than connecting flights (no taxi/take-off cycle penalty).
- Fly economy: economy emits ~3× less CO₂ per passenger than business/first class (lower space per passenger).
- Pack light: every additional 10 kg of baggage on a typical flight adds ~7-10 kg CO₂ over the duration. Carry-on-only travel can cut your share by ~5%.
- Buy carbon offsets: airline-offered offset programs (IndiGo, SpiceJet, Air India) charge ~₹50-150 per long-haul round trip and fund verified offset projects.
- Compare alternatives: on routes over 2,500 km, flight is typically the lowest-emissions option per km vs train + road combinations.
Emissions calculations use 2024 ICAO methodology. For exact route-specific emissions for corporate ESG reporting, contact your travel-management company or the airline directly.
Offers on Koh Samui to Mumbai flights
Apply these HappyFares promo codes at checkout to save on your international booking. Codes refresh from our current live catalogue.
FIRSTTREAT
HFNCF
RTHFNCF
APPYFLIGHT
Promo codes apply at checkout. T&Cs apply and codes may be withdrawn at any time. See the full list at all HappyFares offers.
Student fares on international flights
Student travellers can avail discounted international fares at checkout — no promo code needed. (Senior-citizen and defence fares are available on domestic flights only.)
10% discount on base fare plus an additional 10 kg baggage allowance. A valid student ID must be shown at check-in.
Koh Samui to Mumbai — flight distance & route facts
Distance shown is great-circle (straight-line). Actual flight path varies by airline routing and air traffic control.
Cheap Flights Koh Samui to Mumbai — Lowest Air Ticket Price & Fares
Looking for the cheapest flight from Koh Samui to Mumbai? HappyFares compares live fares across every major airline so you always book at the lowest airfare. Our Meera AI tracks fares continuously so you never miss a cheap ticket.
The flight distance between Koh Samui (USM) and Mumbai (BOM) is approximately 3,111 km (1,933 miles).
Use the search box above to compare Koh Samui to Mumbai cheap flight tickets across all airlines — IndiGo, Air India, SpiceJet, Akasa Air and more. Pick any date to see today's lowest fare and flight ticket prices.
How to Book Cheapest Koh Samui to Mumbai Flight Tickets on HappyFares
- Enter your departure date in the search box above — your route (Koh Samui → Mumbai) is already selected.
- Tap Search flights to see live cheap flight fares across all airlines flying Koh Samui to Mumbai.
- Compare air ticket prices, departure times and airlines. Our Meera AI highlights the best buy based on 30-day historical trends — so you know if today's fare is genuinely cheap.
- Select your preferred flight and complete booking on HappyFares — instant confirmation, no hidden fees.
How to Get the Lowest Koh Samui to Mumbai Airfare
- Book 3–6 weeks in advance — flight ticket prices on most Indian routes are cheapest when booked 21–45 days before departure. Last-minute fares are typically 40–60% higher.
- Fly mid-week — Tuesday and Wednesday departures often have the lowest flight fares. Weekend flights (Friday–Sunday) tend to be 10–20% more expensive.
- Compare all airlines — on Koh Samui to Mumbai, the cheapest airline varies by date. IndiGo is often the lowest-fare option, but Air India, SpiceJet, and Akasa Air sometimes undercut on specific days.
- Use HappyFares price history — our fare trend chart shows whether today's air ticket price is lower or higher than the 30-day average, so you can decide when to book.
- Avoid peak travel dates — Diwali, Christmas, and school holidays push Koh Samui–Mumbai flight prices up significantly. Book early or travel a day or two outside peak dates for cheaper tickets.
Check live Koh Samui to Mumbai flight status
Tracking a specific USM–BOM flight today? Our dedicated flight status page shows airlines operating this route, typical schedules, and links to live trackers.
Check Koh Samui → Mumbai live flight status →Koh Samui to Mumbai flight ticket price — full fare guide
Planning ahead and want to understand how much Koh Samui–Mumbai flights cost? See typical price ranges by month, best booking windows, and per-airline fare estimates on our dedicated ticket price guide.
See Koh Samui → Mumbai ticket price guide →Why Book Koh Samui to Mumbai Cheap Flight Tickets with HappyFares?
- Best price guarantee — we compare live fares across every airline serving Koh Samui (USM) to Mumbai (BOM).
- Meera AI price predictions — know whether to book now or wait, trained on millions of fare data points on this exact route.
- No hidden charges — the price you see on HappyFares is the price you pay. Zero convenience fee surprise.
- Secure payment — UPI, cards, net banking, wallets, and EMI options. PCI-DSS encrypted.
- 24/7 customer support — real humans for rescheduling, cancellation, and refunds on your Koh Samui–Mumbai booking.
Koh Samui and Mumbai airport details
Mumbai, India's financial capital and home to Bollywood, combines colonial architecture with a vibrant coastal lifestyle.
Things to do in Mumbai
Mumbai, India's financial capital and home to Bollywood, combines colonial architecture with a vibrant coastal lifestyle. Top attractions in Mumbai include: Gateway of India, Marine Drive, Elephanta Caves, Juhu Beach, Bandra-Worli Sea Link. Make the most of your Koh Samui to Mumbai trip by exploring these landmarks.
Baggage policy for Koh Samui to Mumbai flights
Baggage allowance on international Koh Samui to Mumbai flights varies significantly by airline, route, and fare class — there is no single industry standard. Typical economy allowances on this sector are in the range of 23-30 kg check-in + 7-8 kg cabin, but low-cost carriers often charge separately for check-in bags, while full-service carriers on long-haul routes may include a second check-in piece. Business class typically doubles the allowance (40-50 kg).
Before you book, check the exact baggage rules on the fare-selection page for your chosen airline and fare. Extra baggage purchased during booking is almost always cheaper than at-airport rates.
Cancellation and refund for Koh Samui to Mumbai flights
Cancellation and refund terms on international Koh Samui to Mumbai flights vary substantially by airline, fare class, and how far in advance you cancel. Non-refundable economy fares typically allow only taxes + part of fuel surcharge to be refunded. Refundable / flexible fares cost more upfront but allow cancellation with lower deductions. Business and first class bookings usually have more lenient rules.
Rescheduling (changing your Koh Samui-Mumbai travel date) is normally cheaper than cancelling and rebooking, but airline-specific change fees apply plus any fare difference.
Frequently asked questions
What is the flight distance from Koh Samui to Mumbai?
The straight-line (great-circle) flight distance from Koh Samui (USM) to Mumbai (BOM) is approximately 3,111 km (1,933 miles). Actual flight paths vary slightly due to air traffic routing.
How do I check Koh Samui to Mumbai live flight status?
For real-time Koh Samui to Mumbai flight status including delays, cancellations, and gate changes, visit the HappyFares flight status page at https://www.happyfares.in/flight-status/koh-samui-to-mumbai. You can also check with your USM–BOM flight number on individual airline apps (IndiGo, Air India, SpiceJet, Akasa Air).
What is the Koh Samui to Mumbai business class fare?
Business class fares on Koh Samui to Mumbai flights vary significantly by airline and season — typically 3-5× the economy price. Search on HappyFares and select "Business" cabin to compare current business class fares across all airlines flying this route.
Are there any promo codes or offers for Koh Samui to Mumbai flights?
HappyFares regularly features flight offers and discounts on the Koh Samui–Mumbai route. Check the offers section on happyfares.in for current bank offers, UPI discounts, and flash sales. The best way to get the lowest fare is to search your dates and compare — our Meera AI flags when a fare is a genuinely good deal based on 30-day historical data.
Can I book a Koh Samui to Mumbai flight for today?
Yes — HappyFares supports same-day flight booking for Koh Samui to Mumbai. Search with today's date to see available flights departing in the next few hours. Keep in mind last-minute fares are typically higher; the best prices are usually found 14-60 days in advance.
What is the cheapest Koh Samui to Mumbai flight price?
Koh Samui to Mumbai fares vary by date and season. For the cheapest flight, try searching flexible dates on HappyFares — our Meera AI shows price trends so you can pick the lowest-fare day.
What is the lowest airfare from Koh Samui to Mumbai?
The lowest Koh Samui to Mumbai airfare varies by date and season — search on HappyFares to find the cheapest available fare for your travel date.
What is the Koh Samui to Mumbai air ticket price today?
Koh Samui to Mumbai air ticket prices change daily. Use the search above to check today's current fares across all airlines.
How to get cheap flight tickets from Koh Samui to Mumbai?
To get the cheapest Koh Samui to Mumbai flight tickets: (1) Book 3–6 weeks in advance — last-minute flight fare is usually 40–60% higher. (2) Fly on Tuesday or Wednesday — cheapest days on most routes. (3) Compare all airlines on HappyFares — IndiGo, Air India, SpiceJet, Akasa Air may each have the lowest rate on different dates. (4) Check our price trend chart — it shows whether today's flight ticket price is cheap or expensive vs the 30-day average.
What is the lowest flight rate from Koh Samui to Mumbai?
Koh Samui to Mumbai flight rates vary by date and advance booking window. Search HappyFares to compare current rates across all airlines.
How do I find flight offers on Koh Samui to Mumbai?
To find the best Koh Samui to Mumbai flight deals: (1) Search on HappyFares and sort by lowest price — we compare fares across all airlines in real time. (2) Book with UPI or your bank's co-branded card — HappyFares supports instant bank discounts and UPI cashback. (3) Use flexible dates to spot cheaper travel windows. Our Meera AI price indicator tells you whether the current fare is a good deal or likely to drop.
Can I cancel or reschedule my Koh Samui to Mumbai flight?
Yes — cancellation and rescheduling are supported. Charges depend on the airline and fare type you book. Our support team can help you with cancellation or date changes on any Koh Samui to Mumbai booking.
What is the baggage allowance on Koh Samui to Mumbai flights?
International economy allowance on Koh Samui to Mumbai typically ranges from 23-30 kg check-in + 7-8 kg cabin, but varies significantly by airline. Low-cost carriers often charge separately for check-in bags; full-service carriers on long-haul routes may include a second piece. Check the exact rules on the fare-selection page before booking.
Book Koh Samui to Mumbai flights now
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