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Cheap flights from Washington, D.C. Dulles Intl Airport to Lewiston from $452

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. Dulles Intl Airport to Lewiston departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Lewiston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:05 am - 11:35 am
IAD
-
LWS
7h 30m
1 stop
Delta Logo
12:24 pm - 11:46 pm
LWS
-
IAD
8h 22m
1 stop
$576Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
7:05 am - 11:35 am
IAD
-
LWS
7h 30m
1 stop
Delta Logo
7:00 am - 11:55 pm
LWS
-
IAD
13h 55m
2 stops
$582Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
12:38 pm - 8:52 pm
IAD
-
LWS
11h 14m
2 stops
Delta Logo
7:00 am - 11:55 pm
LWS
-
IAD
13h 55m
2 stops
$587Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
5:07 pm - 12:08 am
IAD
-
LWS
10h 01m
2 stops
Delta Logo
12:13 pm - 11:44 pm
LWS
-
IAD
8h 31m
1 stop
$934Delta
Fri, Apr 24 - Sun, Apr 26
Delta Logo
7:20 am - 11:33 am
IAD
-
LWS
7h 13m
1 stop
Delta Logo
12:13 pm - 11:44 pm
LWS
-
IAD
8h 31m
1 stop
$978Delta
Fri, Apr 24 - Sun, Apr 26
Delta Logo
5:07 pm - 12:08 am
IAD
-
LWS
10h 01m
2 stops
Delta Logo
6:09 am - 5:57 pm
LWS
-
IAD
8h 48m
2 stops
$1,089Delta
Fri, Apr 24 - Sun, Apr 26

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Lewiston, Idaho flight tickets
Delta
Feb 21
IAD7:05 amWashington, D.C. Dulles Intl
7h 30m
1 stop
LWS11:35 amLewiston Nez Perce Rgnl
Feb 25
LWS12:24 pmLewiston Nez Perce Rgnl
8h 22m
1 stop
IAD11:46 pmWashington, D.C. Dulles Intl
$576
Delta
Feb 21
IAD7:05 amWashington, D.C. Dulles Intl
7h 30m
1 stop
LWS11:35 amLewiston Nez Perce Rgnl
Feb 25
LWS7:00 amLewiston Nez Perce Rgnl
13h 55m
2 stops
IAD11:55 pmWashington, D.C. Dulles Intl
$582
Delta
Feb 21
IAD12:38 pmWashington, D.C. Dulles Intl
11h 14m
2 stops
LWS8:52 pmLewiston Nez Perce Rgnl
Feb 25
LWS7:00 amLewiston Nez Perce Rgnl
13h 55m
2 stops
IAD11:55 pmWashington, D.C. Dulles Intl
$587

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho 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 February 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Sat 2/21

7:05 am-11:35 am

1 stop7h 30m

Lewiston Nez Perce Rgnl

Wed 2/25

12:24 pm-11:46 pm

1 stop8h 22m

$576

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Sat 2/21

7:05 am-11:35 am

1 stop7h 30m

Lewiston Nez Perce Rgnl

Wed 2/25

7:00 am-11:55 pm

2 stops13h 55m

$582

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Sat 2/21

12:38 pm-8:52 pm

2 stops11h 14m

Lewiston Nez Perce Rgnl

Wed 2/25

7:00 am-11:55 pm

2 stops13h 55m

$587

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 4/24

5:07 pm-12:08 am

2 stops10h 01m

Lewiston Nez Perce Rgnl

Sun 4/26

12:13 pm-11:44 pm

1 stop8h 31m

$934

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 4/24

7:20 am-11:33 am

1 stop7h 13m

Lewiston Nez Perce Rgnl

Sun 4/26

12:13 pm-11:44 pm

1 stop8h 31m

$978

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 4/24

5:07 pm-12:08 am

2 stops10h 01m

Lewiston Nez Perce Rgnl

Sun 4/26

6:09 am-5:57 pm

2 stops8h 48m

$1,089

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 2/27

7:05 am-11:35 am

1 stop7h 30m

$452

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 2/27

12:38 pm-8:52 pm

2 stops11h 14m

$530

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lewiston from

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

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. Dulles Intl to Lewiston Nez Perce Rgnl?

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

What airlines fly to Lewiston, Idaho?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Lewiston, Idaho from Washington, D.C. Dulles Intl Airport according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Lewiston, Idaho. Keep in mind that there are 4 different airlines that fly to Lewiston, Idaho on a routine basis, so you have a few additional options to choose from.

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

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

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

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

Fastest flight time

7h 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho takes 7h 30m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Lewiston Nez Perce Rgnl by plane?

    A flight from Washington, D.C. Dulles Intl to Lewiston Nez Perce Rgnl will travel around 2049.6 mi. By plane, this route typically takes 7h 30m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Lewiston Nez Perce Rgnl Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Lewiston Nez Perce Rgnl Airport.

  • What documentation or ID do you need to fly to Lewiston Nez Perce Rgnl Airport?

    The required travel and health documents for your Lewiston Nez Perce Rgnl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lewiston Nez Perce Rgnl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Lewiston. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Washington, D.C. to Lewiston 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 Lewiston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Lewiston.

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

Yes momondo offers price alerts on flights to Lewiston 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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