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Cheap flights from Lewiston, Idaho to District of Columbia from $423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lewiston, Idaho to District of Columbia departing on 9/6. 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 Lewiston, Idaho to District of Columbia

Cheap round-trip flights

Delta Logo
2:00 pm - 11:32 pmLWS-IAD
6h 32m1 stop
Delta Logo
7:30 am - 1:19 pmIAD-LWS
8h 49m1 stop
$662Delta
Find Deal
Wed, Aug 20 - Sun, Aug 24
Delta Logo
7:05 am - 11:40 pmLWS-IAD
13h 35m2 stops
Delta Logo
7:30 am - 1:19 pmIAD-LWS
8h 49m1 stop
$784Delta
Find Deal
Wed, Aug 20 - Sun, Aug 24
Delta Logo
7:05 am - 11:40 pmLWS-IAD
13h 35m2 stops
Delta Logo
12:39 pm - 9:03 pmIAD-LWS
11h 24m2 stops
$1,001Delta
Find Deal
Wed, Aug 20 - Sun, Aug 24

Delta flights from Lewiston, Idaho to District of Columbia

Our best Delta deals on Lewiston, Idaho to District of Columbia flight tickets
Delta
Aug 20
LWS2:00 pmLewiston Nez Perce Rgnl
6h 32m
1 stop
IAD11:32 pmWashington, D.C. Dulles Intl
Aug 24
IAD7:30 amWashington, D.C. Dulles Intl
8h 49m
1 stop
LWS1:19 pmLewiston Nez Perce Rgnl
$662
Find similar
Delta
Aug 20
LWS7:05 amLewiston Nez Perce Rgnl
13h 35m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
Aug 24
IAD7:30 amWashington, D.C. Dulles Intl
8h 49m
1 stop
LWS1:19 pmLewiston Nez Perce Rgnl
$784
Find similar
Delta
Aug 20
LWS7:05 amLewiston Nez Perce Rgnl
13h 35m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
Aug 24
IAD12:39 pmWashington, D.C. Dulles Intl
11h 24m
2 stops
LWS9:03 pmLewiston Nez Perce Rgnl
$1,001
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lewiston, Idaho to District of Columbia 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 August 7, 2025.
Use the filters below to find and compare flights from Lewiston, Idaho to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 8/20

2:00 pm-11:32 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Sun 8/24

7:30 am-1:19 pm

1 stop8h 49m

$662

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 8/20

7:05 am-11:40 pm

2 stops13h 35m

Washington, D.C. Dulles Intl

Sun 8/24

7:30 am-1:19 pm

1 stop8h 49m

$784

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 8/20

7:05 am-11:40 pm

2 stops13h 35m

Washington, D.C. Dulles Intl

Sun 8/24

12:39 pm-9:03 pm

2 stops11h 24m

$1,001

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 9/6

2:00 pm-11:32 pm

1 stop6h 32m

$423

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 9/6

7:05 am-10:01 pm

2 stops11h 56m

$680

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Lewiston, Idaho to District of Columbia

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 District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $637. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Lewiston, Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $758.

Cheap Lewiston, Idaho to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lewiston, Idaho to District of Columbia

Best Price Found

$423

Fastest flight time

6h 32m

Direct flights

None

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Lewiston, Idaho in the past 72 hours is $423. The best round-trip flight deal from Lewiston, Idaho to District of Columbia found on momondo in the last 72 hours is $662.
The fastest flight from Lewiston, Idaho to District of Columbia takes 6h 32m
There are no direct flights from Lewiston, Idaho to District of Columbia. Popular non-direct routes for this connection are Lewiston Nez Perce Rgnl Airport - Washington, D.C. Dulles Intl Airport and Lewiston Nez Perce Rgnl Airport - Washington, D.C. Reagan-National Airport.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
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  • When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to District of Columbia?

    Prices for flights from Lewiston Nez Perce Rgnl Airport to District of Columbia are refreshed on a daily basis.

  • How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lewiston Nez Perce Rgnl Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia 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 District of Columbia. 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 Lewiston to District of Columbia?

It is quick and easy to find Lewiston to District of Columbia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to District of Columbia that suits you.

Can I find flights from Lewiston to District of Columbia with flexible booking policies on momondo?

momondo does allow users to show only those flights to District of Columbia 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 District of Columbia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Lewiston.

I’m not ready to book a flight from Lewiston to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Lewiston to District of Columbia 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.

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