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Cheap flights from Washington, D.C. Dulles Intl Airport to Lewiston from $372

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 9/25. 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

Delta Logo
7:05 am - 1:22 pmIAD-LWS
9h 17m1 stop
Delta Logo
2:02 pm - 11:33 pmLWS-IAD
6h 31m1 stop
$466Delta
Find Deal
mar., sep. 16 - sáb., sep. 27
Delta Logo
1:00 pm - 9:05 pmIAD-LWS
11h 05m2 stops
Delta Logo
2:02 pm - 11:33 pmLWS-IAD
6h 31m1 stop
$472Delta
Find Deal
mar., sep. 16 - sáb., sep. 27
Delta Logo
11:58 am - 9:05 pmIAD-LWS
12h 07m2 stops
Delta Logo
2:02 pm - 6:01 amLWS-IAD
12h 59m2 stops
$485Delta
Find Deal
mar., sep. 16 - sáb., sep. 27
Delta Logo
7:10 am - 1:22 pmIAD-LWS
9h 12m1 stop
Delta Logo
7:10 am - 11:01 pmLWS-IAD
12h 51m2 stops
$874Delta
Find Deal
jue., oct. 9 - mié., oct. 15
Delta Logo
1:00 pm - 9:03 pmIAD-LWS
11h 03m2 stops
Delta Logo
7:10 am - 11:01 pmLWS-IAD
12h 51m2 stops
$879Delta
Find Deal
jue., oct. 9 - mié., oct. 15
Delta Logo
7:10 am - 1:22 pmIAD-LWS
9h 12m1 stop
Delta Logo
2:02 pm - 11:33 pmLWS-IAD
6h 31m1 stop
$938Delta
Find Deal
jue., oct. 9 - mié., oct. 15

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
Sep 16
IAD7:05 amWashington, D.C. Dulles Intl
9h 17m
1 stop
LWS1:22 pmLewiston Nez Perce Rgnl
Sep 27
LWS2:02 pmLewiston Nez Perce Rgnl
6h 31m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
$466
Find similar
Delta
Sep 16
IAD1:00 pmWashington, D.C. Dulles Intl
11h 05m
2 stops
LWS9:05 pmLewiston Nez Perce Rgnl
Sep 27
LWS2:02 pmLewiston Nez Perce Rgnl
6h 31m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
$472
Find similar
Delta
Sep 16
IAD11:58 amWashington, D.C. Dulles Intl
12h 07m
2 stops
LWS9:05 pmLewiston Nez Perce Rgnl
Sep 27
LWS2:02 pmLewiston Nez Perce Rgnl
12h 59m
2 stops
IAD6:01 amWashington, D.C. Dulles Intl
$485
Find similar

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 julio 31, 2025.
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

mar. 9/16

7:05 am-1:22 pm

1 stop9h 17m

Lewiston Nez Perce Rgnl

sáb. 9/27

2:02 pm-11:33 pm

1 stop6h 31m

$466

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

mar. 9/16

1:00 pm-9:05 pm

2 stops11h 05m

Lewiston Nez Perce Rgnl

sáb. 9/27

2:02 pm-11:33 pm

1 stop6h 31m

$472

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

mar. 9/16

11:58 am-9:05 pm

2 stops12h 07m

Lewiston Nez Perce Rgnl

sáb. 9/27

2:02 pm-6:01 am

2 stops12h 59m

$485

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

jue. 10/9

7:10 am-1:22 pm

1 stop9h 12m

Lewiston Nez Perce Rgnl

mié. 10/15

7:10 am-11:01 pm

2 stops12h 51m

$874

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

jue. 10/9

1:00 pm-9:03 pm

2 stops11h 03m

Lewiston Nez Perce Rgnl

mié. 10/15

7:10 am-11:01 pm

2 stops12h 51m

$879

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

jue. 10/9

7:10 am-1:22 pm

1 stop9h 12m

Lewiston Nez Perce Rgnl

mié. 10/15

2:02 pm-11:33 pm

1 stop6h 31m

$938

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

jue. 9/25

12:35 pm-9:05 pm

2 stops11h 30m

$372

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

jue. 9/25

7:05 am-1:22 pm

1 stop9h 17m

$423

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 day to depart on your flight to Lewiston, Idaho?

According to our data, Wednesday is the cheapest day to fly to Lewiston, Idaho from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Wednesday departure recently was $623. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho on a Tuesday will generally be more expensive and average around $1,233. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Lewiston, Idaho?

According to our data, the cheapest time of day to fly to Lewiston, Idaho is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho in the morning for as low as $658. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,157.

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

Best Price Found

$372

Fastest flight time

9h 12m

Direct flights

None

Airports in Lewiston, Idaho

1 airport
The best one-way flight to Lewiston, Idaho from Washington, D.C. Dulles Intl Airport in the past 72 hours is $372. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho found on momondo in the last 72 hours is $466.
The fastest flight from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho takes 9h 12m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Lewiston, Idaho. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Lewiston Nez Perce Rgnl Airport.
There is 1 airport near Lewiston, Idaho: Lewiston Nez Perce Rgnl (LWS)
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 9h 12m.

  • 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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