Cheap flights from Lewiston, Idaho to District of Columbia from $412

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lewiston, Idaho to District of Columbia

Cheap round-trip flights

Delta Logo
7:05 am - 11:16 pmLWS-IAD
13h 11m1 stop
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$475Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$480Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
7:05 am - 3:32 pmLWS-DCA
29h 27m1 stop
Delta Logo
4:40 pm - 8:02 pmDCA-LWS
30h 22m1 stop
$525Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 3:32 pmLWS-DCA
24h 02m2 stops
Delta Logo
4:40 pm - 8:02 pmDCA-LWS
30h 22m1 stop
$530Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
7:05 am - 11:16 pmLWS-IAD
13h 11m1 stop
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$536Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$541Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:59 pm - 8:02 pmIAD-LWS
51h 03m2 stops
$548Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 3:32 pmLWS-DCA
24h 02m2 stops
Delta Logo
6:05 am - 8:02 pmDCA-LWS
40h 57m2 stops
$553Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 3:32 pmLWS-DCA
24h 02m2 stops
Delta Logo
6:05 am - 8:02 pmDCA-LWS
40h 57m2 stops
$573Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:59 pm - 8:02 pmIAD-LWS
51h 03m2 stops
$580Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7

Delta flights from Lewiston, Idaho to District of Columbia

Our best Delta deals on Lewiston, Idaho to District of Columbia flight tickets
Delta
Mar 3
LWS7:05 amLewiston Nez Perce Rgnl
13h 11m
1 stop
IAD11:16 pmWashington, D.C. Dulles Intl
Mar 7
IAD7:00 amWashington, D.C. Dulles Intl
17h 02m
1 stop
LWS9:02 pmLewiston Nez Perce Rgnl
Delta
Mar 3
LWS12:30 pmLewiston Nez Perce Rgnl
31h 46m
2 stops
IAD11:16 pmWashington, D.C. Dulles Intl
Mar 7
IAD7:00 amWashington, D.C. Dulles Intl
17h 02m
1 stop
LWS9:02 pmLewiston Nez Perce Rgnl
Delta
Mar 3
LWS7:05 amLewiston Nez Perce Rgnl
29h 27m
1 stop
DCA3:32 pmWashington, D.C. Reagan-National
Mar 7
DCA4:40 pmWashington, D.C. Reagan-National
30h 22m
1 stop
LWS8:02 pmLewiston Nez Perce Rgnl

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 September 22, 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

Tue 3/3

7:05 am-11:16 pm

1 stop13h 11m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$475

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$480

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

7:05 am-3:32 pm

1 stop29h 27m

Washington, D.C. Reagan-National

Sat 3/7

4:40 pm-8:02 pm

1 stop30h 22m

$525

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-3:32 pm

2 stops24h 02m

Washington, D.C. Reagan-National

Sat 3/7

4:40 pm-8:02 pm

1 stop30h 22m

$530

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

7:05 am-11:16 pm

1 stop13h 11m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$536

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$541

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:59 pm-8:02 pm

2 stops51h 03m

$548

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-3:32 pm

2 stops24h 02m

Washington, D.C. Reagan-National

Sat 3/7

6:05 am-8:02 pm

2 stops40h 57m

$553

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-3:32 pm

2 stops24h 02m

Washington, D.C. Reagan-National

Sat 3/7

6:05 am-8:02 pm

2 stops40h 57m

$573

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:59 pm-8:02 pm

2 stops51h 03m

$580

Flights are sorted by cheapest round-trip flights first.

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See travel insights to District of Columbia from

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

Direct flights

None
There are no direct flights from Lewiston, Idaho to District of Columbia. There are no popular flight routes from Lewiston, Idaho to District of Columbia.
  • 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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1 adult
Wed 10/22
Wed 10/29

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