When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl 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 Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$414 Cheap Flights from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport in 2026

Find the cheapest flights from Lewiston, Idaho to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:23 pm - 11:39 pm

LWS

IAD

8h 16m

1 stop

7:00 am - 11:43 am

IAD

LWS

7h 43m

1 stop

$590Delta

Fri, Aug 7 - Tue, Aug 11

9:23 am - 11:21 pm

LWS

IAD

10h 58m

2 stops

7:00 am - 11:43 am

IAD

LWS

7h 43m

1 stop

$768Delta

Sat, Aug 29 - Tue, Sep 1

12:23 pm - 11:39 pm

LWS

IAD

8h 16m

1 stop

6:10 am - 11:43 am

IAD

LWS

8h 33m

2 stops

$780Delta

Fri, Aug 7 - Tue, Aug 11

9:23 am - 11:21 pm

LWS

IAD

10h 58m

2 stops

12:30 pm - 10:59 pm

IAD

LWS

13h 29m

2 stops

$941Delta

Sat, Aug 29 - Tue, Sep 1

9:23 am - 12:34 am

LWS

IAD

12h 11m

2 stops

6:10 am - 11:43 am

IAD

LWS

8h 33m

2 stops

$1,127Delta

Fri, Aug 7 - Tue, Aug 11

12:23 pm - 11:39 pm

LWS

IAD

8h 16m

1 stop

12:30 pm - 10:59 pm

IAD

LWS

13h 29m

2 stops

$1,612Delta

Sun, Aug 9 - Thu, Aug 13

9:23 am - 11:21 pm

LWS

IAD

10h 58m

2 stops

12:30 pm - 10:59 pm

IAD

LWS

13h 29m

2 stops

$1,977Delta

Sun, Aug 9 - Thu, Aug 13

12:23 pm - 11:39 pm

LWS

IAD

8h 16m

1 stop

7:00 am - 11:43 am

IAD

LWS

7h 43m

1 stop

$2,144Delta

Sun, Aug 9 - Thu, Aug 13

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Delta flights from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Lewiston, Idaho to Washington, D.C. Dulles Intl Airport flight tickets

Delta

Aug 7

LWS12:23 pmLewiston Nez Perce Rgnl

8h 16m

1 stop

IAD11:39 pmWashington, D.C. Dulles Intl

Aug 11

IAD7:00 amWashington, D.C. Dulles Intl

7h 43m

1 stop

LWS11:43 amLewiston Nez Perce Rgnl

$590

Delta

Aug 29

LWS9:23 amLewiston Nez Perce Rgnl

10h 58m

2 stops

IAD11:21 pmWashington, D.C. Dulles Intl

Sep 1

IAD7:00 amWashington, D.C. Dulles Intl

7h 43m

1 stop

LWS11:43 amLewiston Nez Perce Rgnl

$768

Delta

Aug 7

LWS12:23 pmLewiston Nez Perce Rgnl

8h 16m

1 stop

IAD11:39 pmWashington, D.C. Dulles Intl

Aug 11

IAD6:10 amWashington, D.C. Dulles Intl

8h 33m

2 stops

LWS11:43 amLewiston Nez Perce Rgnl

$780

momondo Fare Finder

Use the filters below to find and compare flights from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Fri 8/7

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 8/11

7:00 am-11:43 am

1 stop7h 43m

$590

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 8/29

9:23 am-11:21 pm

2 stops10h 58m

Washington, D.C. Dulles Intl

Tue 9/1

7:00 am-11:43 am

1 stop7h 43m

$768

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Fri 8/7

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 8/11

6:10 am-11:43 am

2 stops8h 33m

$780

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 8/29

9:23 am-11:21 pm

2 stops10h 58m

Washington, D.C. Dulles Intl

Tue 9/1

12:30 pm-10:59 pm

2 stops13h 29m

$941

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Fri 8/7

9:23 am-12:34 am

2 stops12h 11m

Washington, D.C. Dulles Intl

Tue 8/11

6:10 am-11:43 am

2 stops8h 33m

$1,127

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 8/9

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Thu 8/13

12:30 pm-10:59 pm

2 stops13h 29m

$1,612

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 8/9

9:23 am-11:21 pm

2 stops10h 58m

Washington, D.C. Dulles Intl

Thu 8/13

12:30 pm-10:59 pm

2 stops13h 29m

$1,977

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 8/9

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Thu 8/13

7:00 am-11:43 am

1 stop7h 43m

$2,144

Cheapest one-way

Quickest one-way

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 9/21

12:14 pm-11:43 pm

1 stop8h 29m

$414

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 9/14

12:14 pm-11:43 pm

1 stop8h 29m

$719

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport

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 Lewiston Nez Perce Rgnl to Washington, D.C. Dulles Intl?

Delta is the most popular carrier operating from Lewiston Nez Perce Rgnl to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Lewiston, Idaho according to our data. Delta is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Lewiston, Idaho to Washington, D.C. Dulles Intl Airport (LWS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport

Fastest flight time	8h 16m
Direct flights	None

The fastest flight from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport takes 8h 16m

There are no direct flights from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport.

Search flight deals

Frequently asked questions about flying from Lewiston, Idaho to Washington, D.C. Dulles Intl Airport

How far is Lewiston Nez Perce Rgnl to Washington, D.C. Dulles Intl by plane?
The straight-line distance from Lewiston Nez Perce Rgnl to Washington, D.C. Dulles Intl is 2049.6 mi. In terms of flight time, this usually takes a little over 8h 16m.
When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl 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 Lewiston Nez Perce Rgnl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

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

Finding the right flight to Washington, D.C. from Lewiston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from Lewiston which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Lewiston to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Lewiston to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.