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Cheap flights from Washington, D.C. Reagan-National Airport to Patna from ₹ 75,352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Patna departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Patna

Cheap return flights

Enter your travel dates to find the best prices.
Air India Logo
06:00 - 21:10
DCA
-
PAT
29h 40m
2 stops
Air India Logo
13:25 - 22:59
PAT
-
DCA
43h 04m
2 stops
₹ 147,245Air India
Sat, 4 Apr - Sun, 24 May
Air India Logo
06:00 - 07:00
DCA
-
PAT
39h 30m
2 stops
Air India Logo
15:20 - 22:59
PAT
-
DCA
41h 09m
2 stops
₹ 172,767Air India
Sat, 4 Apr - Thu, 7 May
Air India Logo
06:00 - 07:00
DCA
-
PAT
39h 30m
2 stops
Air India Logo
15:20 - 22:59
PAT
-
DCA
41h 09m
2 stops
₹ 174,731Air India
Sun, 24 May - Sat, 4 Jul
Air India Logo
06:00 - 07:30
DCA
-
PAT
40h 00m
2 stops
Air India Logo
13:20 - 22:59
PAT
-
DCA
43h 09m
2 stops
₹ 216,894Air India
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
06:00 - 21:10
DCA
-
PAT
29h 40m
3 stops
Multiple Airlines Logo
10:20 - 08:53
PAT
-
DCA
32h 03m
2 stops
₹ 435,097Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr

Air India flights from Washington, D.C. Reagan-National Airport to Patna

Our best Air India deals on Washington, D.C. Reagan-National Airport to Patna flight tickets
Air India
4 Apr
DCA06:00Washington, D.C. Reagan-National
29h 40m
2 stops
PAT21:10Patna
24 May
PAT13:25Patna
43h 04m
2 stops
DCA22:59Washington, D.C. Reagan-National
₹ 147,245
Air India
4 Apr
DCA06:00Washington, D.C. Reagan-National
39h 30m
2 stops
PAT07:00Patna
7 May
PAT15:20Patna
41h 09m
2 stops
DCA22:59Washington, D.C. Reagan-National
₹ 172,767
Air India
24 May
DCA06:00Washington, D.C. Reagan-National
39h 30m
2 stops
PAT07:00Patna
4 Jul
PAT15:20Patna
41h 09m
2 stops
DCA22:59Washington, D.C. Reagan-National
₹ 174,731

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 59,053 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Sat 4/4

06:00-21:10

2 stops29h 40m

Patna

Sun 24/5

13:25-22:59

2 stops43h 04m

₹ 147,245

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Sat 4/4

06:00-07:00

2 stops39h 30m

Patna

Thu 7/5

15:20-22:59

2 stops41h 09m

₹ 172,767

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Sun 24/5

06:00-07:00

2 stops39h 30m

Patna

Sat 4/7

15:20-22:59

2 stops41h 09m

₹ 174,731

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Thu 16/4

06:00-07:30

2 stops40h 00m

Patna

Thu 23/4

13:20-22:59

2 stops43h 09m

₹ 216,894
Fastest return journey

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Thu 16/4

06:00-21:10

3 stops29h 40m

Patna

Thu 23/4

10:20-08:53

2 stops32h 03m

₹ 435,097
Cheapest one-way
Fastest single journey

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Fri 10/4

06:00-18:30

2 stops27h 00m

₹ 75,352

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Sat 11/4

06:00-13:25

2 stops45h 55m

₹ 75,539

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Mon 4/5

06:00-21:10

2 stops29h 40m

₹ 76,474

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Sun 24/5

06:00-21:10

2 stops29h 40m

₹ 80,868

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Mon 25/5

06:00-18:30

2 stops27h 00m

₹ 81,242

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Patna from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Patna

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Patna?

Air India is the most popular carrier operating from Washington, D.C. Reagan-National to Patna

When to book flights from Washington, D.C. Reagan-National Airport to Patna

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Patna according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Reagan-National Airport to Patna (DCA to PAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Patna

Fastest flight time

29h 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Patna takes 29h 40m
There are no direct flights from Washington, D.C. Reagan-National Airport to Patna. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Patna.
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  • How far is Washington, D.C. Reagan-National to Patna by plane?

    A flight from Washington, D.C. Reagan-National to Patna will travel around 12600.9 km. In terms of flight time, this usually takes a little over 29h 40m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Patna Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Patna Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Patna Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Patna Airport.

  • What documentation or ID do you need to fly to Patna Airport?

    The necessary travel and health documents for your Patna Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Patna?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Patna from Washington, D.C..

Can I find flights from Washington, D.C. to Patna with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Patna on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Patna?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Patna from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Patna right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Patna from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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