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Cheap flights from Washington, D.C. to Patna from $624

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 7/21. 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
0 bags

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
9:00 pm - 9:40 am
IAD
-
PAT
27h 10m
2 stops
Multiple Airlines Logo
3:20 pm - 3:40 pm
PAT
-
IAD
33h 50m
2 stops
$1,509Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
Multiple Airlines Logo
9:00 pm - 9:40 am
IAD
-
PAT
27h 10m
2 stops
Multiple Airlines Logo
7:10 pm - 3:40 pm
PAT
-
IAD
30h 00m
2 stops
$1,538Multiple Airlines
Mon, Jun 8 - Mon, Jul 20
Multiple Airlines Logo
9:00 pm - 9:40 am
IAD
-
PAT
27h 10m
2 stops
Multiple Airlines Logo
7:10 pm - 3:40 pm
PAT
-
IAD
30h 00m
2 stops
$1,563Multiple Airlines
Wed, Jun 10 - Mon, Jul 20
Multiple Airlines Logo
9:00 pm - 9:40 am
IAD
-
PAT
27h 10m
2 stops
Multiple Airlines Logo
7:10 pm - 3:40 pm
PAT
-
IAD
30h 00m
2 stops
$1,644Multiple Airlines
Tue, Jun 9 - Mon, Jul 20
Multiple Airlines Logo
10:15 pm - 9:40 am
IAD
-
PAT
25h 55m
2 stops
Multiple Airlines Logo
7:10 pm - 3:05 pm
PAT
-
IAD
29h 25m
2 stops
$1,646Multiple Airlines
Mon, Jun 8 - Tue, Jul 21
Multiple Airlines Logo
3:10 pm - 10:50 pm
IAD
-
PAT
46h 10m
2 stops
Multiple Airlines Logo
8:30 am - 9:45 am
PAT
-
IAD
34h 45m
3 stops
$1,665Multiple Airlines
Sun, Jun 14 - Sun, Jun 21
Multiple Airlines Logo
10:15 pm - 9:40 am
IAD
-
PAT
25h 55m
2 stops
Multiple Airlines Logo
7:10 pm - 3:05 pm
PAT
-
IAD
29h 25m
2 stops
$1,679Multiple Airlines
Mon, Jun 8 - Wed, Jul 22
Multiple Airlines Logo
10:15 pm - 9:40 am
IAD
-
PAT
25h 55m
2 stops
Multiple Airlines Logo
7:10 pm - 3:05 pm
PAT
-
IAD
29h 25m
2 stops
$1,731Multiple Airlines
Tue, Jun 9 - Sat, Jul 18
Multiple Airlines Logo
10:15 pm - 9:40 am
IAD
-
PAT
25h 55m
2 stops
Multiple Airlines Logo
7:10 pm - 3:05 pm
PAT
-
IAD
29h 25m
2 stops
$1,739Multiple Airlines
Tue, Jun 9 - Tue, Jul 21
Multiple Airlines Logo
10:15 pm - 9:40 am
IAD
-
PAT
25h 55m
2 stops
Multiple Airlines Logo
7:35 am - 3:15 pm
PAT
-
IAD
41h 10m
2 stops
$1,747Multiple Airlines
Mon, Jun 8 - Sun, Jul 19

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

Our best British Airways deals on Washington, D.C. to Patna flight tickets
British Airways
May 7
IAD7:15 pmWashington, D.C. Dulles Intl
34h 30m
2 stops
PAT3:15 pmPatna
Jun 2
PAT6:35 pmPatna
35h 15m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$1,536
British Airways
May 7
IAD7:15 pmWashington, D.C. Dulles Intl
32h 00m
2 stops
PAT12:45 pmPatna
May 29
PAT8:55 pmPatna
28h 20m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,788
British Airways
Jun 8
IAD7:20 pmWashington, D.C. Dulles Intl
31h 55m
2 stops
PAT12:45 pmPatna
Jul 23
PAT8:55 pmPatna
28h 30m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
$2,198

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 May 3, 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 round-trip

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Sun 6/14

9:00 pm-9:40 am

2 stops27h 10m

Patna

Sun 6/21

3:20 pm-3:40 pm

2 stops33h 50m

$1,509

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Mon 6/8

9:00 pm-9:40 am

2 stops27h 10m

Patna

Mon 7/20

7:10 pm-3:40 pm

2 stops30h 00m

$1,538

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Wed 6/10

9:00 pm-9:40 am

2 stops27h 10m

Patna

Mon 7/20

7:10 pm-3:40 pm

2 stops30h 00m

$1,563

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Tue 6/9

9:00 pm-9:40 am

2 stops27h 10m

Patna

Mon 7/20

7:10 pm-3:40 pm

2 stops30h 00m

$1,644
Quickest round-trip

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Mon 6/8

10:15 pm-9:40 am

2 stops25h 55m

Patna

Tue 7/21

7:10 pm-3:05 pm

2 stops29h 25m

$1,646

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Sun 6/14

3:10 pm-10:50 pm

2 stops46h 10m

Patna

Sun 6/21

8:30 am-9:45 am

3 stops34h 45m

$1,665

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Mon 6/8

10:15 pm-9:40 am

2 stops25h 55m

Patna

Wed 7/22

7:10 pm-3:05 pm

2 stops29h 25m

$1,679

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Tue 6/9

10:15 pm-9:40 am

2 stops25h 55m

Patna

Sat 7/18

7:10 pm-3:05 pm

2 stops29h 25m

$1,731

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Tue 6/9

10:15 pm-9:40 am

2 stops25h 55m

Patna

Tue 7/21

7:10 pm-3:05 pm

2 stops29h 25m

$1,739

Washington, D.C.Patna

IAD - PAT

IADPAT

Washington, D.C. Dulles Intl

Mon 6/8

10:15 pm-9:40 am

2 stops25h 55m

Patna

Sun 7/19

7:35 am-3:15 pm

2 stops41h 10m

$1,747

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

27h 10m

Direct flights

None
The fastest flight from Washington, D.C. to Patna takes 27h 10m
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

Frequently asked questions about flying from Washington, D.C. to Patna

  • 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 27h 10m.

  • 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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