HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$566+ Cheap flights from Patna (PAT) to Dulles Intl (IAD)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
PAT — IAD
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Patna to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Patna to Dulles Intl

One-way flights from Patna to Dulles Intl
Search for one-way flight options from Patna to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated March 3, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:45 pmPAT - IAD
2 stops31h 30mIndiGo
Deal found 3/2$566
This EaseMyTrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:35 pmPAT - IAD
1 stop20h 35mAir India
Deal found 3/2$1,191

Find flights from Patna to Dulles Intl within your budget

Customize your flight search to find flights from Patna to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 3, 2025.

Fly from

Patna

Fly to

Dulles Intl

Route

Depart

Return

Price

PatnaWashington, D.C.

PAT - IAD

PATIAD

Patna

Tue 4/1

9:45 pm-7:45 pm

2 stops31h 30m

$566

PatnaWashington, D.C.

PAT - IAD

PATIAD

Patna

Tue 4/1

8:35 pm-7:40 am

1 stop20h 35m

$1,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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 round-trip 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.

Travel insights for flights from Patna to Dulles Intl

Get recent, data-driven insights about flights from Patna to Dulles Intl including ideal travel times, pricing trends, and more.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated March 3, 2025.
IndiGo
6.8
Okay
473 reviews

Overall

6.8

Comfort

6.8

Boarding

6.9

Entertainment

5.7

Crew

7.3

Food

6.3

Reviews

1 / 20

2.0
Mediocre

David,Dec 2024

LKO - BLR

Our flight was cancelled with no explanation and very little help getting rebooked. The web site and app are hopeless regarding checking in.

IndiGo
6.8
Okay
473 reviews
IndiGo
6.8
Okay
473 reviews

Overall

6.8

Comfort

6.8

Boarding

6.9

Entertainment

5.7

Crew

7.3

Food

6.3

Reviews

1 / 20

2.0
Mediocre

David,Dec 2024

LKO - BLR

Our flight was cancelled with no explanation and very little help getting rebooked. The web site and app are hopeless regarding checking in.

Air India
5.5
Fair
2,889 reviews
IndiGo
6.8
Okay
473 reviews

Overall

6.8

Comfort

6.8

Boarding

6.9

Entertainment

5.7

Crew

7.3

Food

6.3

Reviews

1 / 20

2.0
Mediocre

David,Dec 2024

LKO - BLR

Our flight was cancelled with no explanation and very little help getting rebooked. The web site and app are hopeless regarding checking in.

Related info for your journey

Find useful and relevant information for your journey from Patna to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Located just 1.8 mi from the city center, Patna is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Patna. Booking flights from Patna (PAT) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Patna to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Patna to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Patna to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Patna?

Book flights to Patna if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Gaithersburg
Fredericksburg
Silver Spring
Linthicum Heights
Woodbridge
Laurel
Falls Church
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.