Cheap flights from Lewiston, Idaho to District of Columbia from $512

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 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Lewiston, Idaho to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:23 pm - 11:39 pm
LWS
-
IAD
8h 16m
1 stop
Delta Logo
7:00 am - 11:34 am
IAD
-
LWS
7h 34m
1 stop
$516Delta
Wed, Aug 26 - Wed, Sep 9
Delta Logo
12:23 pm - 11:39 pm
LWS
-
IAD
8h 16m
1 stop
Delta Logo
3:40 pm - 11:08 pm
IAD
-
LWS
10h 28m
2 stops
$572Delta
Wed, Aug 26 - Wed, Sep 9
Delta Logo
9:23 am - 12:34 am
LWS
-
IAD
12h 11m
2 stops
Delta Logo
12:26 pm - 11:08 pm
IAD
-
LWS
13h 42m
2 stops
$743Delta
Wed, Aug 26 - Wed, Sep 9
Delta Logo
9:00 am - 11:20 pm
LWS
-
IAD
11h 20m
2 stops
Delta Logo
7:15 am - 11:37 am
IAD
-
LWS
7h 22m
1 stop
$843Delta
Sat, Jul 11 - Wed, Jul 15
Delta Logo
9:00 am - 11:58 pm
LWS
-
DCA
11h 58m
2 stops
Delta Logo
4:35 pm - 10:57 pm
DCA
-
LWS
9h 22m
1 stop
$903Delta
Sat, Jul 11 - Wed, Jul 15
Delta Logo
9:00 am - 11:58 pm
LWS
-
DCA
11h 58m
2 stops
Delta Logo
6:00 am - 11:37 am
DCA
-
LWS
8h 37m
2 stops
$908Delta
Sat, Jul 11 - Wed, Jul 15
Delta Logo
9:00 am - 11:20 pm
LWS
-
IAD
11h 20m
2 stops
Delta Logo
11:10 am - 10:57 pm
IAD
-
LWS
14h 47m
2 stops
$1,019Delta
Sat, Jul 11 - Wed, Jul 15
Delta Logo
9:00 am - 11:56 pm
LWS
-
DCA
11h 56m
2 stops
Delta Logo
4:35 pm - 10:57 pm
DCA
-
LWS
9h 22m
1 stop
$1,084Delta
Wed, Jul 8 - Sun, Jul 12
Delta Logo
12:18 pm - 11:29 pm
LWS
-
IAD
8h 11m
1 stop
Delta Logo
7:15 am - 11:37 am
IAD
-
LWS
7h 22m
1 stop
$1,088Delta
Wed, Jul 8 - Sun, Jul 12
Delta Logo
9:00 am - 11:20 pm
LWS
-
IAD
11h 20m
2 stops
Delta Logo
7:15 am - 11:37 am
IAD
-
LWS
7h 22m
1 stop
$1,184Delta
Wed, Jul 8 - Sun, Jul 12

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Delta flights from Lewiston, Idaho to District of Columbia

Our best Delta deals on Lewiston, Idaho to District of Columbia flight tickets
Delta
Aug 26
LWS12:23 pmLewiston Nez Perce Rgnl
8h 16m
1 stop
IAD11:39 pmWashington, D.C. Dulles Intl
Sep 9
IAD7:00 amWashington, D.C. Dulles Intl
7h 34m
1 stop
LWS11:34 amLewiston Nez Perce Rgnl
$516
Delta
Aug 26
LWS12:23 pmLewiston Nez Perce Rgnl
8h 16m
1 stop
IAD11:39 pmWashington, D.C. Dulles Intl
Sep 9
IAD3:40 pmWashington, D.C. Dulles Intl
10h 28m
2 stops
LWS11:08 pmLewiston Nez Perce Rgnl
$572
Delta
Aug 26
LWS9:23 amLewiston Nez Perce Rgnl
12h 11m
2 stops
IAD12:34 amWashington, D.C. Dulles Intl
Sep 9
IAD12:26 pmWashington, D.C. Dulles Intl
13h 42m
2 stops
LWS11:08 pmLewiston Nez Perce Rgnl
$743

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 June 28, 2026.
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

Cheapest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 8/26

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Wed 9/9

7:00 am-11:34 am

1 stop7h 34m

$516

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 8/26

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Wed 9/9

3:40 pm-11:08 pm

2 stops10h 28m

$572

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 8/26

9:23 am-12:34 am

2 stops12h 11m

Washington, D.C. Dulles Intl

Wed 9/9

12:26 pm-11:08 pm

2 stops13h 42m

$743

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 7/11

9:00 am-11:20 pm

2 stops11h 20m

Washington, D.C. Dulles Intl

Wed 7/15

7:15 am-11:37 am

1 stop7h 22m

$843

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 7/11

9:00 am-11:58 pm

2 stops11h 58m

Washington, D.C. Reagan-National

Wed 7/15

4:35 pm-10:57 pm

1 stop9h 22m

$903

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 7/11

9:00 am-11:58 pm

2 stops11h 58m

Washington, D.C. Reagan-National

Wed 7/15

6:00 am-11:37 am

2 stops8h 37m

$908

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 7/11

9:00 am-11:20 pm

2 stops11h 20m

Washington, D.C. Dulles Intl

Wed 7/15

11:10 am-10:57 pm

2 stops14h 47m

$1,019

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Wed 7/8

9:00 am-11:56 pm

2 stops11h 56m

Washington, D.C. Reagan-National

Sun 7/12

4:35 pm-10:57 pm

1 stop9h 22m

$1,084
Quickest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 7/8

12:18 pm-11:29 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Sun 7/12

7:15 am-11:37 am

1 stop7h 22m

$1,088

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 7/8

9:00 am-11:20 pm

2 stops11h 20m

Washington, D.C. Dulles Intl

Sun 7/12

7:15 am-11:37 am

1 stop7h 22m

$1,184

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest 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 airline that flies from Lewiston Nez Perce Rgnl to District of Columbia?

Delta is the most popular carrier operating from Lewiston Nez Perce Rgnl to District of Columbia

What airlines fly to District of Columbia?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to District of Columbia from Lewiston, Idaho according to our data. Delta is the first choice among our users, with 52% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

8h 16m

Direct flights

None
The fastest flight from Lewiston, Idaho to District of Columbia takes 8h 16m
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.

Frequently asked questions about flying 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
Tue 7/28
Tue 8/4

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