Cheap Flights from Washington Dulles to Tehran

Compare Washington Dulles to Tehran flight deals

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Flight deals from Washington Dulles to Tehran

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Tehran? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Tehran

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Tehran flights are currently cheapest in August.

Alternative Washington Dulles to Tehran routes

Looking for the cheapest, fastest or easiest route from Washington Dulles to Tehran? You could fly into the following airports instead.

Washington D.C. to Tehran: Flight information

The things to know before you go.
Cheapest flight foundRs116,798
Cheapest month to flyAugust

Finding cheap flights from Washington Dulles to Tehran: Frequently asked questions

There are 2 airports in Tehran: Mehrabad International and Imam Khomeini International.
The best price we found for a return flight from Washington Dulles to Tehran is Rs256,676. 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.
Currently, there are no airlines that fly direct from Washington Dulles to Tehran. But we found flights with one or more stops from Rs256,676.
As of August 2025, there are no flights flying from Washington Dulles to Tehran.
The cheapest month to fly from Washington Dulles to Tehran is usually August.
If you're flying from Washington Dulles Airport, the cheapest airport near Tehran is Imam Khomeini International – which is 36.4 km away from the centre of Tehran. We've found flights into this airport from Rs256,676.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Tehran on Monday, 11 August 2025.
No airlines currently offer direct flights between Washington Dulles Airport and Tehran. Most routes have one or more stops.
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 Tehran 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 Tehran is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 25°C. July is typically the warmest month in Tehran, when it usually averages around 32°C. You can expect the least rain in July. The coldest month is January, with temperatures averaging -5°C. The rainiest month is November.
Currently, Turkish Airlines offers the cheapest flight tickets to Tehran.

Travelling from Washington Dulles International Airport (IAD) to Tehran: what you need to know

  • The timezone in Tehran is UTC+3:30. The city is seven hours 30 minutes ahead of Washington DC, where Washington Dulles International Airport is located.

  • Leave plenty of time to make your IAD to Tehran flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Planning to travel during a peak period like public or school holidays? Expect longer lines at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • Think about adding a stopover to potentially find a cheaper flight ticket from IAD to Tehran. Simply deselect 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these popular airports:

    • Istanbul Ataturk Airport (IST)

    • Frankfurt Airport (FRA)

    • Hamad International Airport (DOH)

  • IAD is around 40 kilometres from central Washington DC. If you're catching a cab, driving or ride-sharing from the centre, it'll take you 50 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 1 hour 10 minutes.

  • In search of a hotel near IAD? If you're boarding an early flight from Washington Dulles International Airport to Tehran, these stays set you up for a seamless send-off:

  • Of all flights leaving Washington Dulles International Airport, 74.39% land on schedule at their destination.

  • You'll find IAD at 1 Saarinen Circle.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Tehran

  • The best price we've seen for a one-way Washington Dulles International Airport to Tehran flight is Rs116,798. The cheapest price for a return flight is Rs256,676. Keep in mind fares can change due to demand at the time of booking.

  • Booking early is often the key to locking in a cheap flight from IAD to Tehran. Airlines adjust prices based on demand, so the nearer your departure date, the more you'll likely pay.

  • If you can be flexible with your travel dates, try using the 'Whole month' tool. It'll give you the lowest price across every month when looking for a Washington Dulles International Airport to Tehran ticket.

  • Save time searching for cheap flights from IAD to Tehran by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Find an affordable flight from Washington Dulles International Airport to Tehran with the help of our filters. Choose your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Tehran

Imam Khomeini International Airport (IKA)

  • Imam Khomeini International Airport (IKA) to central Tehran takes around 1 hour by car. The centre is roughly 56 kilometres away.

  • Few things beat the convenience of staying close to the terminal if you've landed on a late flight from Washington Dulles International Airport to Tehran. Remis Hotel and Rexan Hotel are handy accommodation options near IKA.

Best time to go to Tehran

  • Before you book your flights from Washington Dulles International Airport to Tehran, consider which time of year is best for you. High season in Tehran offers a bustling atmosphere and plenty to do, while the low season brings better deals on hotels and fewer crowds.

  • When booking your Washington Dulles International Airport to Tehran flight ticket, think about the kind of weather forecast you're hoping for. July is the warmest month in Tehran, with temperatures ranging from 23ºC to 38ºC.

  • For cooler conditions, search for a cheap ticket from IAD to Tehran in January when temperatures average between -6ºC and 10ºC.

More about Tehran

  • Start your Tehran trip right by choosing the perfect place to stay. After booking your flight from Washington Dulles International Airport to Tehran, explore our range of hotels including:

  • National Museum of Iran and Golestan Palace are just the start of the leading attractions to add to your Tehran travel itinerary. Keep the adventure rolling by checking out Azadi Tower.

Explore more of Iran

  • Isfahan is just one of the many cities in Iran waiting to be discovered once you've seen Tehran. Around 338 kilometres away to the south, its best attractions include Hasht Behesht Palace, Jameh Mosque of Isfahan and Kakh-e Ali Qapu.

  • Qom is another sought-after destination in Iran and is around 129 kilometres south of Tehran. No journey is complete without a visit to Ferdosi Park, Astaneh Museum and Gonbad Sabz Garden.

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