Are direct flights from New Delhi to Sylhet always the best option?

Direct flights offer convenience and save travel time, but they are not always the most cost-effective choice. Flights with layovers can often be cheaper, making them a good option for budget-conscious travelers. Consider your priorities for time versus cost when making your decision.

Can flexible travel dates help on New Delhi to Sylhet flights?

Yes, being flexible with your travel dates can significantly increase your chances of finding cheaper flights. Prices often vary depending on the day of the week, time of year, and demand. Shifting your departure or return by a few days may lead to notable savings.

What extra costs should I check before booking New Delhi to Sylhet 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. Being aware of these additional expenses can help you budget accurately for your trip.

Flights From New Delhi

To Sylhet

Cheap Flights from New Delhi to Sylhet

Browse current best options from New Delhi. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

New Delhi

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

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 New Delhi to Sylhet

Explore current cheapest deals departing from New Delhi to Sylhet

2026-08-04 – 2026-08-14
DEL - Sylhet
75% AI deal score
$308
$233
Round trip
2026-09-02 – 2026-09-09
DEL - Sylhet
50% AI deal score
$286
$268
Round trip
2026-08-10 – 2026-08-11
DEL - Sylhet
74% AI deal score
$354
$273
Round trip
2026-08-10 – 2026-08-22
DEL - Sylhet
65% AI deal score
$301
$276
Round trip
2026-08-10 – 2026-08-20
DEL - Sylhet
66% AI deal score
$308
$276
Round trip
2026-08-11 – 2026-08-21
DEL - Sylhet
66% AI deal score
$309
$276
Round trip
2026-08-14 – 2026-08-20
DEL - Sylhet
68% AI deal score
$328
$276
Round trip
2026-08-18 – 2026-08-20
DEL - Sylhet
69% AI deal score
$344
$276
Round trip
2026-08-19 – 2026-08-20
DEL - Sylhet
69% AI deal score
$345
$276
Round trip
2026-08-19 – 2026-08-21
DEL - Sylhet
69% AI deal score
$344
$276
Round trip

New Delhi to Sylhet: Overview

Insights for flights from New Delhi to Sylhet

Most itineraries for flights from New Delhi to Sylhet connect at least once, as 0% of recent fares were non-stop. For the remaining itineraries, the typical number of connections is 1 stopover. This means that while direct flights from New Delhi to Sylhet are not commonly available, you can expect a single connection on most routes.

If you are looking for cheap flights from New Delhi to Sylhet, fares typically range from $140–$228, with a median price of $170. Right now, current fares are above the typical level, with 30% of recent fares classified as a good price. New deals show up several times a week, so keeping an eye on price alerts can be beneficial.

When is the cheapest time to fly from New Delhi to Sylhet? The most affordable months to fly are typically October and September, both with a median fare of $133. August also offers competitive pricing, with a median fare of $144, making these months good options for budget-conscious travelers.

A typical journey from New Delhi to Sylhet takes approximately 8h 20m, including connections. This duration accounts for the median flight time across all itineraries, given that most routes involve at least one stopover. The total travel time reflects the medium-haul nature of this route, covering a distance of 1518 km.

How much is a round trip from New Delhi to Sylhet

Regular price: $249 - $595

Prices for flights from New Delhi to Sylhet are currently within the regular range.

The regular price range for flights from New Delhi to Sylhet is between $249 and $595. The current lowest deal is $278 with Air India Limited, for travel from Sep 8-Sep 11.

now $278

Low $249

High $595

The cheapest time to fly from New Delhi to Sylhet

The cheapest month to fly from Delhi to Zyl is September, with a median price of 133 USD. The most expensive month is May, with a median price of 241 USD. Generally, prices are lower from April to November.

September

Cheapest

Flights from $133

May

Most Expensive

Flights from $241

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from New Delhi to Sylhet

Air India Limited

British International Helicopters

Last-minute flights going from New Delhi to Sylhet

Sun, Aug 2

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

IndiGo, British International Helicopters

$363

$269

One-way

Sun, Aug 2

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

IndiGo, British International Helicopters

$317

$271

One-way

Sun, Aug 2

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

IndiGo, British International Helicopters

$323

$271

One-way

Sun, Aug 2

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

IndiGo, British International Helicopters

$321

$271

One-way

Fri, Aug 14

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

Air India Limited, British International Helicopters

$283

$287

One-way

Fri, Aug 14

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

Air India Limited, British International Helicopters

$352

$287

One-way

Biggest price drops on these dates for flights from New Delhi to Sylhet

2 nights

Aug 21 - Aug 23

$344 → $267

22%

5 nights

Aug 21 - Aug 26

$336 → $266

21%

4 nights

Aug 14 - Aug 18

$352 → $287

18%

7 nights

Aug 21 - Aug 28

$327 → $266

19%

Popular Airports to fly from New Delhi to Sylhet

New Delhi - Sylhet route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for New Delhi to Sylhet are above the typical level, with a median price of $278.

📅 Best time to fly

September and October are historically cheapest.

Historically, September and October are the cheapest months to fly, with median prices of $133.

⏱️ Flight duration

Connecting flights average 8h 20m.

Flights from New Delhi to Sylhet typically involve one stop and have a median duration of 8h 20m.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights are dominant for this route, with 0% direct flights available in the last 90 days.

🏆 Airline highlight

Air India Limited and British International Helicopters offer deals.

Air India Limited and British International Helicopters have historically offered deals on this route.

🎯 Booking tip

Deals appear regularly.

Deals for flights from New Delhi to Sylhet appear regularly, typically within a 30-day window.

New Delhi main airports to depart from

Indira Gandhi International (DEL)

Cheapest

Indira Gandhi International Airport is the cheapest option for flights from New Delhi to Sylhet.

📍 ~15 km from New Delhi (reachable by car or train)

💸 Flights from ~$298

Sylhet main airports to arrive at

Osmani International (ZYL)

Cheapest

Osmani International Airport is a convenient arrival option for flights from New Delhi to Sylhet.

📍 ~11 km from Sylhet (reachable by car)

💸 Flights from ~$298

Airports nearby Sylhet used as alternative

Shahjalal International (DAC)

Shahjalal International Airport is a major international hub with an extensive flight network within the same country.

📍 ~190 km from Sylhet (reachable by car)

💸 Flights from ~$145

Business & First Class Flight Deals to Sylhet

74% AI deal score

$1,288

$855

Save $433

Frequently Asked Questions About Flights to Sylhet

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and online travel agencies can also help uncover better deals. Look out for layovers, as these flights are often more budget-friendly than direct options.

Booking flights in advance, often several weeks or months before your intended departure, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday travel can also sometimes offer better rates than weekend travel.

Comparing nearby airports can sometimes reveal more economical flight options or alternative routes. While it may add to your ground travel, the potential savings on airfare could be significant. Always factor in the additional time and cost of transportation to and from alternative airports.

Related routes

More routes from New Delhi

Flights from New Delhi to Adelaide Flights from New Delhi to Agra Flights from New Delhi to Ahmedabad Flights from New Delhi to Almaty Flights from New Delhi to Amritsar Flights from New Delhi to Athens Flights from New Delhi to Auckland Flights from New Delhi to Bangkok Flights from New Delhi to Beijing Flights from New Delhi to Beirut Flights from New Delhi to Berlin Flights from New Delhi to Birmingham

Flights to Sylhet from other cities

Flights from Taipei to Sylhet

New Delhi to Sylhet: Overview

Insights for flights from New Delhi to Sylhet

How much is a round trip from New Delhi to Sylhet

Regular price: $249 - $595

Prices for flights from New Delhi to Sylhet are currently within the regular range.

The regular price range for flights from New Delhi to Sylhet is between $249 and $595. The current lowest deal is $278 with Air India Limited, for travel from Sep 8-Sep 11.

now $278

Low $249

High $595

The cheapest time to fly from New Delhi to Sylhet

September

Cheapest

Flights from $133

May

Most Expensive

Flights from $241

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec