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Cheap flights from Washington, D.C. to Patna from $573

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 5/2. 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. to Patna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:10 pm - 7:45 am
IAD
-
PAT
31h 05m
3 stops
Multiple Airlines Logo
5:55 pm - 9:45 am
PAT
-
IAD
25h 20m
2 stops
$1,060Multiple Airlines
Wed, Apr 29 - Wed, May 6
British Airways Logo
7:15 pm - 12:45 pm
IAD
-
PAT
32h 00m
2 stops
British Airways Logo
9:00 pm - 7:40 pm
PAT
-
IAD
32h 10m
2 stops
$1,080British Airways
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
3:10 pm - 7:45 am
IAD
-
PAT
31h 05m
3 stops
Multiple Airlines Logo
11:05 am - 9:45 am
PAT
-
IAD
32h 10m
3 stops
$1,094Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
8:20 pm - 12:30 pm
IAD
-
PAT
30h 40m
2 stops
Multiple Airlines Logo
7:10 pm - 4:05 pm
PAT
-
IAD
30h 25m
2 stops
$1,115Multiple Airlines
Fri, May 8 - Sat, May 23
British Airways Logo
7:15 pm - 3:15 pm
IAD
-
PAT
34h 30m
2 stops
British Airways Logo
6:35 pm - 7:40 pm
PAT
-
IAD
34h 35m
2 stops
$1,275British Airways
Thu, Sep 10 - Mon, Sep 14
British Airways Logo
10:15 pm - 12:45 pm
IAD
-
PAT
29h 00m
2 stops
British Airways Logo
9:00 pm - 3:50 pm
PAT
-
IAD
28h 20m
2 stops
$1,319British Airways
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
10:55 am - 9:40 am
IAD
-
PAT
37h 15m
2 stops
Multiple Airlines Logo
3:20 pm - 8:40 am
PAT
-
IAD
26h 50m
2 stops
$1,421Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Air India Logo
6:00 am - 9:10 pm
DCA
-
PAT
29h 40m
2 stops
Air India Logo
3:20 pm - 10:59 pm
PAT
-
DCA
41h 09m
2 stops
$1,528Air India
Wed, Apr 29 - Wed, May 6
Air India Logo
6:00 am - 9:10 pm
DCA
-
PAT
29h 40m
2 stops
Air India Logo
8:00 am - 10:59 pm
PAT
-
DCA
48h 29m
2 stops
$1,575Air India
Fri, May 8 - Sat, May 23
Air India Logo
6:00 am - 7:30 am
DCA
-
PAT
40h 00m
2 stops
Air India Logo
1:20 pm - 10:59 pm
PAT
-
DCA
43h 09m
2 stops
$2,320Air India
Thu, Apr 16 - Thu, Apr 23

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

Our best Air India deals on Washington, D.C. to Patna flight tickets
Air India
Apr 29
DCA6:00 amWashington, D.C. Reagan-National
29h 40m
2 stops
PAT9:10 pmPatna
May 6
PAT3:20 pmPatna
41h 09m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,528
Air India
May 8
DCA6:00 amWashington, D.C. Reagan-National
29h 40m
2 stops
PAT9:10 pmPatna
May 23
PAT8:00 amPatna
48h 29m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$1,575
Air India
Apr 16
DCA6:00 amWashington, D.C. Reagan-National
40h 00m
2 stops
PAT7:30 amPatna
Apr 23
PAT1:20 pmPatna
43h 09m
2 stops
DCA10:59 pmWashington, D.C. Reagan-National
$2,320

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

Our best British Airways deals on Washington, D.C. to Patna flight tickets
British Airways
Sep 10
IAD7:15 pmWashington, D.C. Dulles Intl
32h 00m
2 stops
PAT12:45 pmPatna
Sep 14
PAT9:00 pmPatna
32h 10m
2 stops
IAD7:40 pmWashington, D.C. Dulles Intl
$1,080
British Airways
Sep 10
IAD7:15 pmWashington, D.C. Dulles Intl
34h 30m
2 stops
PAT3:15 pmPatna
Sep 14
PAT6:35 pmPatna
34h 35m
2 stops
IAD7:40 pmWashington, D.C. Dulles Intl
$1,275
British Airways
Apr 29
IAD10:15 pmWashington, D.C. Dulles Intl
29h 00m
2 stops
PAT12:45 pmPatna
May 6
PAT9:00 pmPatna
28h 20m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
$1,319

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Patna that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 4/29

3:10 pm-7:45 am

3 stops31h 05m

Patna

Wed 5/6

5:55 pm-9:45 am

2 stops25h 20m

$1,060

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Thu 9/10

7:15 pm-12:45 pm

2 stops32h 00m

Patna

Mon 9/14

9:00 pm-7:40 pm

2 stops32h 10m

$1,080

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 4/29

3:10 pm-7:45 am

3 stops31h 05m

Patna

Wed 5/6

11:05 am-9:45 am

3 stops32h 10m

$1,094

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Fri 5/8

8:20 pm-12:30 pm

2 stops30h 40m

Patna

Sat 5/23

7:10 pm-4:05 pm

2 stops30h 25m

$1,115

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Thu 9/10

7:15 pm-3:15 pm

2 stops34h 30m

Patna

Mon 9/14

6:35 pm-7:40 pm

2 stops34h 35m

$1,275

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 4/29

10:15 pm-12:45 pm

2 stops29h 00m

Patna

Wed 5/6

9:00 pm-3:50 pm

2 stops28h 20m

$1,319

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Thu 4/16

10:55 am-9:40 am

2 stops37h 15m

Patna

Thu 4/23

3:20 pm-8:40 am

2 stops26h 50m

$1,421

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Wed 4/29

6:00 am-9:10 pm

2 stops29h 40m

Patna

Wed 5/6

3:20 pm-10:59 pm

2 stops41h 09m

$1,528

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Fri 5/8

6:00 am-9:10 pm

2 stops29h 40m

Patna

Sat 5/23

8:00 am-10:59 pm

2 stops48h 29m

$1,575

Washington, D.C.Patna

DCA - PAT

DCAPAT

Washington, D.C. Reagan-National

Thu 4/16

6:00 am-7:30 am

2 stops40h 00m

Patna

Thu 4/23

1:20 pm-10:59 pm

2 stops43h 09m

$2,320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Washington, D.C. to Patna flights?

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. to Patna flight.

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 round-trip 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.
Search flight deals

  • How far is Washington, D.C. to Patna by plane?

    The straight-line distance from Washington, D.C. to Patna is 7826.3 mi. By plane, this route typically takes 29h 40m.

  • 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 are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Patna Airport.

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

    The travel and health documents required for your trip to Patna Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Patna Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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. momondo allows you to filter the results for Washington, D.C. to Patna flights to just show those with flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Patna flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 not ready to book a flight from Washington, D.C. to Patna now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Patna and let you know when they change.

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