$149 Flights from Tehran (THRA) to Delhi Indira Gandhi International (DEL)

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Flight deals from Tehran to Delhi Indira Gandhi International

Looking for a cheap last-minute deal or the best round-trip flight from Tehran to Delhi Indira Gandhi International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Tehran to Delhi Indira Gandhi International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tehran to Delhi Indira Gandhi International flights are currently cheapest in February.

Direct flights from Tehran to Delhi Indira Gandhi International

Tehran to Delhi Indira Gandhi International: Alternative routes

Compare routes from Tehran to New Delhi below. You may find an airport to fly into that's cheaper, faster, or easier than Delhi Indira Gandhi International.

Tehran to New Delhi: Flight information

The things to know before you go.
Cheapest flight found$149
Cheapest month to flyFebruary
Average flight time3 hrs, 40 mins
Most popular airlineMahan Air
Average flights per week2

Finding cheap flights from Tehran to Delhi Indira Gandhi International: Frequently asked questions

The best price we found for a round-trip flight from Tehran to Delhi Indira Gandhi International is $401. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 40 minutes is the average flight time from Tehran to Delhi Indira Gandhi International.
Mahan Air flies direct from Tehran to Delhi Indira Gandhi International.
There are 4 flights per week flying from Tehran to Delhi Indira Gandhi International, as of December 2025.
The cheapest month to fly from Tehran to Delhi Indira Gandhi International is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Tehran to Delhi Indira Gandhi International Airport on Tuesday, February 10, 2026.
Yes – the average flight time is 3 hours and 40 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Delhi Indira Gandhi International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to New Delhi is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Delhi Indira Gandhi International is Azerbaijan Airlines.

Traveling from Tehran to Indira Gandhi International Airport (DEL): What you need to know

  • Planning your trip begins with working out where you'll fly out of in Tehran. Imam Khomeini International Airport (IKA) is the city's main airport, so explore your options for booking a flight from Tehran to Indira Gandhi International Airport (DEL) departing from here.

  • 4 hours is the average travel time for a direct Tehran to Indira Gandhi International Airport flight.

  • Indira Gandhi International Airport is located in New Delhi. The city follows the UTC+5:30 timezone and is two hours ahead of Tehran.

  • Imam Khomeini International Airport (IKA) to Indira Gandhi International Airport (DEL) is the most popular route, with 2 direct services each week. You can get from IKA to DEL on Mahan Air's 5:05pm flight.

  • Arrive at the airport on time so you don't miss your flight from Tehran to DEL. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Longer lines at security and check-in are likely if you're flying during high season, so give yourself a little extra breathing room. The recommendation for peak periods? Arrive up to four hours early for international flights and two hours for domestic departures.

Airports in Tehran

Imam Khomeini International Airport (IKA)

  • Imam Khomeini International Airport (IKA) provides a hassle-free way to reach your destination. Nonstop flights from Tehran to Indira Gandhi International Airport (DEL) can be booked from this terminal.

  • Mahan Air is a well-known airline that offers direct flights from Tehran to Indira Gandhi International Airport taking off from IKA.

  • The majority of travelers choose to fly with Mahan Air from IKA to DEL.

  • Mahan Air is the top-ranked carrier for punctuality on this route.

  • Stopovers are the ideal opportunity to take a break from traveling and perhaps even tour another city. When browsing cheap flights from Tehran to DEL departing from Imam Khomeini International Airport (IKA), deselect the 'Direct flights only' box to find all potential stops. Top options include:

    • Dubai Airport (DXB)

    • Hamad International Airport (DOH)

    • Sharjah International Airport (SHJ)

  • The distance from central Tehran to IKA is around 35 miles. Depending on traffic, it'll take about 1 hour to get there if you're ride-sharing, catching a cab or driving.

  • Need a convenient place to stay before your flight from Tehran to Indira Gandhi International Airport? Remis Hotel and Rexan Hotel are near Imam Khomeini International Airport. They're an especially great choice if you're catching an early flight.

  • When it comes to Imam Khomeini International Airport's on-time performance, data shows 69.19% of flights arrive within the expected time frame.

About Indira Gandhi International Airport (DEL)

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Tehran to Indira Gandhi International Airport. Book one of these accommodation options near DEL instead:

  • Pick up an Indira Gandhi International Airport rental car and discover New Delhi and beyond with your own wheels. Europcar, Avis and North Car Rental are well-known companies you can book with here.

  • Lock in the best rate by booking your ride around four weeks before your Tehran to Indira Gandhi International Airport flight.

Getting from Indira Gandhi International Airport (DEL) to central New Delhi

  • Central New Delhi is roughly 6 miles from Indira Gandhi International Airport. Journey times by car rental or cab will vary depending on traffic conditions and time of day, so do a little research before you go.

  • Traveling by public transport will take you roughly 55 minutes.

How to find the cheapest flights from Tehran to Indira Gandhi International Airport (DEL)

  • $149 is the best price for a one-way ticket from Tehran to Indira Gandhi International Airport. A return flight starts from $401. These fares may change depending on availability and demand.

  • Booking in advance is often the key to scoring a cheap flight from Tehran to DEL. Airlines adjust prices based on demand, so the closer your departure date, the more expensive your ticket may be.

  • If you're flexible with your travel plans, use the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your Tehran to Indira Gandhi International Airport ticket.

  • There's no need to search every day to find out if prices have dropped when you create a Price Alert. We'll notify you as soon as a lower fare pops up on plane tickets from Tehran to DEL.

  • Nail down a great price on a flight from Tehran to Indira Gandhi International Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Tehran to Indira Gandhi International Airport (DEL)

  • Think about the kind of vacation you want when planning your trip dates. April is the quietest month to go to New Delhi. July is when most people book flights from Tehran to Indira Gandhi International Airport (DEL), which may be perfect if you'd rather travel when it's busy.

  • The warmest month in New Delhi is May, with temperatures ranging between 79ºF and 109ºF. Book your Tehran to DEL plane ticket then if you enjoy this type of weather.

  • If you want to travel in cooler conditions, look for a cheap ticket from Tehran to Indira Gandhi International Airport in January when temperatures are between 46ºF and 72ºF.

More about New Delhi

  • Start your New Delhi trip right by choosing the ideal place to stay. After booking your flight from Tehran to Indira Gandhi International Airport, explore our range of accommodation options including:

  • India Gate and India Gate View are a couple of top attractions to add to your New Delhi must-do list. Keep the momentum going by heading to Park India Gate.

Explore more of India

  • Jaipur is just one of the many places in India waiting to be discovered after you've seen New Delhi. Around 140 miles away to the south-west, popular attractions include City Palace, Amber Fort and Jaipur.

  • If you're ready to explore another major destination in India, consider Ludhiana, about 180 miles north-west of New Delhi. Iskcon Ludhiana, Mandir Mata Vaishno Devi and Shri Krishna Mandir are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.