To Sylhet

Cheap Flights from New Delhi to Sylhet

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

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from New Delhi to Sylhet

Explore current cheapest deals departing from New Delhi to Sylhet

Round trip

Sort by: Cheapest

July 13 - July 21

Cheapest

Earliest

DEL - Sylhet

$273

$298

Round trip

August 4 - August 30

DEL - Sylhet

$272

$309

Round trip

September 10 - September 14

Best

DEL - Sylhet

$298

$311

Round trip

September 3 - September 14

DEL - Sylhet

$269

$311

Round trip

September 7 - September 14

DEL - Sylhet

$290

$311

Round trip

September 8 - September 14

DEL - Sylhet

$290

$311

Round trip

September 9 - September 26

DEL - Sylhet

$265

$312

Round trip

September 7 - September 8

Best

DEL - Sylhet

$299

$312

Round trip

September 8 - September 26

DEL - Sylhet

$266

$312

Round trip

September 7 - September 26

DEL - Sylhet

$264

$312

Round trip

Unlock all 500+ flight deals to Sylhet and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from New Delhi to Sylhet

Most itineraries for cheap flights from New Delhi to Sylhet connect at least once, as 0% of recent fares are non-stop. When connections are necessary, the typical number of stopovers is 1.

A typical journey from New Delhi to Sylhet takes approximately 8h 20m, including connections. This duration reflects the overall travel time for most itineraries on this route.

For travelers wondering when is the cheapest time to fly from New Delhi to Sylhet, the data indicates that October and September are the most affordable months, both with a median fare of $133. August also offers competitive pricing, with a median fare of $144.

Fares from New Delhi to Sylhet typically range from $147–$234, with a median of $192. Right now, fares are below the typical level. Approximately 11% of recent fares were classified as a good price, and new deals show up several times a week, suggesting opportunities for savings.

The route from New Delhi to Sylhet covers a distance of 1518 kilometers, classifying it as a medium-haul journey.

How much is a round trip from New Delhi to Sylhet

Regular price: $228 - $521

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

The regular price range for this route is between $228 and $521. The current lowest deal is $298 with IndiGo, for travel from Jul 13 to Jul 21.

now $298

Low $228

High $521

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

IndiGo

Last-minute flights going from New Delhi to Sylhet

Mon, Jul 13

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

IndiGo

$273

$298

One-way

Tue, Aug 4

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

IndiGo

$272

$309

One-way

Thu, Sep 3

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

Air India Limited, British International Helicopters

$269

$311

One-way

Thu, Sep 3

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

Air India Limited, British International Helicopters

$295

$312

One-way

Mon, Sep 7

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

Air India Limited, British International Helicopters

$290

$311

One-way

Mon, Sep 7

⌛ Last-Minute

DEL - Sylhet

New Delhi (DEL) - Sylhet (ZYL)

Air India Limited, British International Helicopters

$264

$312

One-way

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

4 nights

Sep 10 - Sep 14

$298 → $311

1 night

Sep 7 - Sep 8

$299 → $312

5 nights

Sep 3 - Sep 8

$295 → $312

7 nights

Sep 7 - Sep 14

$290 → $311

Popular Airports to fly from New Delhi to Sylhet

New Delhi - Sylhet route insights

💸 Price insights

Recent fares are below the typical level

Recent fares for New Delhi to Sylhet are below the typical level at $192.

📅 Best time to fly

Fly in October or September for the best prices

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

⏱️ Flight duration

Connecting flights take 8h 20m

Flights from New Delhi to Sylhet typically involve one stop and take 8h 20m.

✈️ Airlines & availability

Connecting flights are common

This route is connecting-dominant, with deals available regularly.

🏆 Airline highlight

IndiGo offers a recent deal

A recent deal from IndiGo was found for $298, departing July 13 and returning July 21.

🎯 Booking tip

Consider booking connecting flights

Connecting flights are the norm for this route, with a median of 1 stopover.

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

Lokpriya Gopinath Bordoloi International (GAU)

Lokpriya Gopinath Bordoloi International Airport is the largest airport in Northeast India with better connectivity.

📍 ~145 km from Sylhet (reachable by car)

💸 Flights from ~$146

Shillong (SHL)

Shillong Airport is geographically the closest alternative airport, though with limited flight schedules.

📍 ~90 km from Sylhet (reachable by car)

💸 Flights from ~$154

Agartala (IXA)

Cheapest

Agartala Airport is relatively close to the Bangladesh-India border and offers a cheaper flight option.

📍 ~140 km from Sylhet (reachable by car)

💸 Flights from ~$114

Silchar (IXS)

Silchar Airport offers geographic proximity to Sylhet, but has limited flight connectivity.

📍 ~115 km from Sylhet (reachable by car)

💸 Flights from ~$171

Business & First Class Flight Deals to Sylhet

39% AI deal score

$1,548

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 you discover better deals. Looking into flights with layovers may sometimes present lower fares than direct options.

Booking flights in advance often provides more competitive prices, though the ideal booking window can vary. Prices may fluctuate, so monitoring fares over time can help you identify a good opportunity. Generally, avoiding last-minute bookings can lead to better value.

Comparing nearby airports can sometimes reveal additional flight options or different pricing. While not always necessary, it may be a useful strategy if your primary route seems expensive. Always consider the additional travel time and cost to reach a different airport.

Related routes

Consider alternative routes from New Delhi

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Cheap Flights from New Delhi to Sylhet

Today’s best flight deals from New Delhi to Sylhet

Unlock all 500+ flight deals to Sylhet and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from New Delhi to Sylhet

How much is a round trip from New Delhi to Sylhet

The cheapest time to fly from New Delhi to Sylhet

Direct flights from New Delhi to Sylhet

Last-minute flights going from New Delhi to Sylhet

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

Popular Airports to fly from New Delhi to Sylhet

New Delhi - Sylhet route insights

Recent fares are below the typical level

Fly in October or September for the best prices

Connecting flights take 8h 20m

Connecting flights are common

IndiGo offers a recent deal

Consider booking connecting flights

New Delhi main airports to depart from

Sylhet main airports to arrive at

Airports nearby Sylhet used as alternative

Business & First Class Flight Deals to Sylhet

Best Elite deals to Sylhet

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Frequently Asked Questions About Flights to Sylhet

How can I find cheap flights from New Delhi to Sylhet?

How can I find cheap flights from New Delhi to Sylhet?

When should I book flights from New Delhi to Sylhet?

When should I book flights from New Delhi to Sylhet?

Should I compare nearby airports for flights from New Delhi to Sylhet?