How long is the flight from Patna to Washington, D.C. Dulles Intl Airport?

Departing from Patna to Washington, D.C. Dulles Intl Airport will take you 29h 25m. There are 12603 km between Patna and Washington, D.C. Dulles Intl Airport. Find deals

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm. Find deals

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C). Find deals

What is the cheapest time of day to fly from PAT to IAD?

When flying from Patna to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets. Find deals

What airport do you fly from for flights from Patna to Washington, D.C. Dulles Intl?

For a flight from Patna to Washington, D.C. Dulles Intl, you will be flying from Patna. Patna (PAT) is just 3.0 km from the centre of the city. Patna is the only Patna airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Patna on a regular basis.

Can I find deals for flights from Patna to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Patna to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Patna to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Patna to Dulles Intl.

Can I find deals for business class flights from Patna to Dulles Intl?

Yes. Cheapflights offers flight deals from Patna to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

₹ 42,024+ Cheap Flights from Patna to Washington, D.C. Dulles Intl Airport

Cheap flight deals from Patna to Dulles Intl

Round-trip from	₹ 142,652
One-way from	₹ 42,024

Air France
31/3-4/4
4 total stops
57h 20m total
Patna to Washington, D.C.

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16/2
2 total stops
35h 05m total
Patna to Washington, D.C.

Search Deals

Find flight deals from Patna to Dulles Intl

Enter your travel dates to find the best prices.

Best flights from Patna to Dulles Intl
Discover carefully curated flight deals from Patna to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 November 2025.

Tue 31/320:25PAT - IAD

2 stops29h 25mAir France

Sat 4/418:30IAD - PAT

2 stops27h 55mAir France

Deal found 13/11₹ 142,652

Cheapflights Fare Finder

Use the filters below to find and compare flights from Patna to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PatnaWashington, D.C.

PAT - IAD

PATIAD

Patna

Tue 31/3

20:25-16:20

2 stops29h 25m

Washington, D.C. Dulles Intl

Sat 4/4

18:30-07:55

2 stops27h 55m

₹ 142,652

PatnaWashington, D.C.

PAT - IAD

PATIAD

Patna

Mon 16/2

08:30-09:05

2 stops35h 05m

₹ 42,024

Flights are sorted by cheapest return flights first.

Deals found on 14/11

Best time to book a flight from Patna to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Patna with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly from for flights from Patna to Washington, D.C. Dulles Intl?
For a flight from Patna to Washington, D.C. Dulles Intl, you will be flying from Patna. Patna (PAT) is just 3.0 km from the centre of the city. Patna is the only Patna airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Patna on a regular basis.
How long is the flight from Patna to Washington, D.C. Dulles Intl Airport?
Departing from Patna to Washington, D.C. Dulles Intl Airport will take you 29h 25m. There are 12603 km between Patna and Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Patna to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Patna to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Patna to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Patna to Dulles Intl.
Can I find deals for business class flights from Patna to Dulles Intl?
Yes. Cheapflights offers flight deals from Patna to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Patna today and book when prices fit your budget.

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Cheap flights from Patna to Washington, D.C. Dulles Intl Airport from ₹ 42,024

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/2. Fares are subject to change and may not be available on all flights or dates of travel.