Cheap flights from Washington, D.C. to Patna from ₹ 53,128

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. to Patna departing on 2/5. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. to Patna

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:10 - 07:45
IAD
-
PAT
31h 05m
3 stops
Multiple Airlines Logo
17:55 - 09:45
PAT
-
IAD
25h 20m
2 stops
₹ 98,282Multiple Airlines
Wed, 29 Apr - Wed, 6 May
British Airways Logo
19:15 - 12:45
IAD
-
PAT
32h 00m
2 stops
British Airways Logo
21:00 - 19:40
PAT
-
IAD
32h 10m
2 stops
₹ 100,136British Airways
Thu, 10 Sep - Mon, 14 Sep
Multiple Airlines Logo
15:10 - 07:45
IAD
-
PAT
31h 05m
3 stops
Multiple Airlines Logo
11:05 - 09:45
PAT
-
IAD
32h 10m
3 stops
₹ 101,434Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
20:20 - 12:30
IAD
-
PAT
30h 40m
2 stops
Multiple Airlines Logo
19:10 - 16:05
PAT
-
IAD
30h 25m
2 stops
₹ 103,381Multiple Airlines
Fri, 8 May - Sat, 23 May
British Airways Logo
19:15 - 15:15
IAD
-
PAT
34h 30m
2 stops
British Airways Logo
18:35 - 19:40
PAT
-
IAD
34h 35m
2 stops
₹ 118,216British Airways
Thu, 10 Sep - Mon, 14 Sep
British Airways Logo
22:15 - 12:45
IAD
-
PAT
29h 00m
2 stops
British Airways Logo
21:00 - 15:50
PAT
-
IAD
28h 20m
2 stops
₹ 122,296British Airways
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
10:55 - 09:40
IAD
-
PAT
37h 15m
2 stops
Multiple Airlines Logo
15:20 - 08:40
PAT
-
IAD
26h 50m
2 stops
₹ 131,753Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Air India Logo
06:00 - 21:10
DCA
-
PAT
29h 40m
2 stops
Air India Logo
15:20 - 22:59
PAT
-
DCA
41h 09m
2 stops
₹ 141,674Air India
Wed, 29 Apr - Wed, 6 May
Air India Logo
06:00 - 21:10
DCA
-
PAT
29h 40m
2 stops
Air India Logo
08:00 - 22:59
PAT
-
DCA
48h 29m
2 stops
₹ 146,032Air India
Fri, 8 May - Sat, 23 May
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
₹ 215,107Air India
Thu, 16 Apr - Thu, 23 Apr

Air India flights from Washington, D.C. to Patna

Our best Air India deals on Washington, D.C. to Patna flight tickets
Air India
29 Apr
DCA06:00Washington, D.C. Reagan-National
29h 40m
2 stops
PAT21:10Patna
6 May
PAT15:20Patna
41h 09m
2 stops
DCA22:59Washington, D.C. Reagan-National
₹ 141,674
Air India
8 May
DCA06:00Washington, D.C. Reagan-National
29h 40m
2 stops
PAT21:10Patna
23 May
PAT08:00Patna
48h 29m
2 stops
DCA22:59Washington, D.C. Reagan-National
₹ 146,032
Air India
16 Apr
DCA06:00Washington, D.C. Reagan-National
40h 00m
2 stops
PAT07:30Patna
23 Apr
PAT13:20Patna
43h 09m
2 stops
DCA22:59Washington, D.C. Reagan-National
₹ 215,107

British Airways flights from Washington, D.C. to Patna

Our best British Airways deals on Washington, D.C. to Patna flight tickets
British Airways
10 Sept
IAD19:15Washington, D.C. Dulles Intl
32h 00m
2 stops
PAT12:45Patna
14 Sept
PAT21:00Patna
32h 10m
2 stops
IAD19:40Washington, D.C. Dulles Intl
₹ 100,136
British Airways
10 Sept
IAD19:15Washington, D.C. Dulles Intl
34h 30m
2 stops
PAT15:15Patna
14 Sept
PAT18:35Patna
34h 35m
2 stops
IAD19:40Washington, D.C. Dulles Intl
₹ 118,216
British Airways
29 Apr
IAD22:15Washington, D.C. Dulles Intl
29h 00m
2 stops
PAT12:45Patna
6 May
PAT21:00Patna
28h 20m
2 stops
IAD15:50Washington, D.C. Dulles Intl
₹ 122,296

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 19 March 2026.
Use the filters below to find and compare flights from Washington, D.C. to Patna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 29/4

15:10-07:45

3 stops31h 05m

Patna

Wed 6/5

17:55-09:45

2 stops25h 20m

₹ 98,282

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Thu 10/9

19:15-12:45

2 stops32h 00m

Patna

Mon 14/9

21:00-19:40

2 stops32h 10m

₹ 100,136

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 29/4

15:10-07:45

3 stops31h 05m

Patna

Wed 6/5

11:05-09:45

3 stops32h 10m

₹ 101,434

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Fri 8/5

20:20-12:30

2 stops30h 40m

Patna

Sat 23/5

19:10-16:05

2 stops30h 25m

₹ 103,381

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Thu 10/9

19:15-15:15

2 stops34h 30m

Patna

Mon 14/9

18:35-19:40

2 stops34h 35m

₹ 118,216

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 29/4

22:15-12:45

2 stops29h 00m

Patna

Wed 6/5

21:00-15:50

2 stops28h 20m

₹ 122,296

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Thu 16/4

10:55-09:40

2 stops37h 15m

Patna

Thu 23/4

15:20-08:40

2 stops26h 50m

₹ 131,753

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Wed 29/4

06:00-21:10

2 stops29h 40m

Patna

Wed 6/5

15:20-22:59

2 stops41h 09m

₹ 141,674

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Fri 8/5

06:00-21:10

2 stops29h 40m

Patna

Sat 23/5

08:00-22:59

2 stops48h 29m

₹ 146,032

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

₹ 215,107

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Patna from

How to get the cheapest flight ticket from Washington, D.C. 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. to Patna?

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

When to book flights from Washington, D.C. to Patna

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

Cheap Washington, D.C. to Patna (WAS to PAT) flight deals and tips

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

Fastest flight time

29h 40m

Direct flights

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

    A flight from Washington, D.C. to Patna will travel around 12595.1 km. Typically, this will take 29h 40m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. to Patna Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Patna for you.

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

Yes. All flights to Patna from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Patna from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Patna, momondo offers a useful price alert feature which will track prices for flights to Patna from Washington, D.C. and alert you when they change.

An easier way to manage your Patna trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 18/4
Sat 25/4

Find better results for your trip to India

Airports servicing Bihar