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$2,438+ Cheap flights from Dulles Intl (IAD) to Patna (PAT)

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Patna

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Patna (PAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Popular in

February

Cheapest in

November

Average price

$1,439
Highest demand for flights based on searches. 9% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Patna

One-way flights from Dulles Intl to Patna
Search for one-way flight options from Dulles Intl to Patna. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

This Indian Eagle deal was found by Cheapflights users on 6/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1712:50 pmIAD - PAT
1 stop20h 05mAir India
Deal found 6/11$2,438
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:20 pmIAD - PAT
3 stops39h 35mMultiple Airlines
Deal found 6/11$2,889

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Patna 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Patna that are best for you.

Fly from

Dulles Intl

Fly to

Patna

Route

Depart

Return

Price

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Tue 6/17

12:50 pm-6:25 pm

1 stop20h 05m

$2,438

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 6/18

5:20 pm-6:25 pm

3 stops39h 35m

$2,889

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Dulles Intl to Patna

Have a flexible travel schedule? Discover the best time to fly to Patna from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Patna

Rainfall in Patna by month

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

In terms of precipitation, rainfall in Patna ranges from 0.3 - 12.6 inches per month. July is typically the wettest month, when rainfall can reach 12.6 in. November is typically the driest time to visit Patna when rainfall is around 0.3 in.

Temperature in Patna by month

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

If weather is an important factor for your trip to Patna, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 89.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Patna

Get insights into the airlines that provide service to Patna. 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 Patna. Reviews last updated June 12, 2025.
Air India
5.5
Fair
2,914 reviews

Boarding

6.2

Food

5.8

Crew

6.6

Comfort

5.5

Overall

5.5

Entertainment

4.6

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2024

SFO - DEL

It wasn't what I expected. The aircraft was falling apart literally. Was dirty, the tv didn't work,food was horrible, my trip was delayed 20 hours at the Last minute. I would not travel with air India any more
Air India
5.5
Fair
2,914 reviews
Air India
5.5
Fair
2,914 reviews

Boarding

6.2

Food

5.8

Crew

6.6

Comfort

5.5

Overall

5.5

Entertainment

4.6

Reviews

1 / 20
6.0
Good

Anonymous,Sep 2024

SFO - DEL

It wasn't what I expected. The aircraft was falling apart literally. Was dirty, the tv didn't work,food was horrible, my trip was delayed 20 hours at the Last minute. I would not travel with air India any more

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Patna. 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 into for flights to Patna from Washington, D.C. Dulles Intl?

    Most people fly into Patna (PAT) if they book a flight to Patna from Washington, D.C. Dulles Intl. On average, Patna has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Patna is conveniently located just 1.8 mi from Patna’s city center.

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

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

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

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

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

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

See more FAQs

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Search flights from Dulles Intl to Patna by cabin class

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Top airline flying from Dulles Intl to Patna

Discover the top airline that operate flights from Dulles Intl to Patna. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$1,042Average$1,386FlexibilityNo cancel feeOn-timeN/A

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