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Cheap flights from Lewiston, Idaho to District of Columbia from $558

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 4/20. 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

Enter your travel dates to find the best prices.
Delta Logo
12:30 pm - 11:51 pm
LWS
-
IAD
8h 21m1 stop
Delta Logo
7:15 am - 11:42 am
IAD
-
LWS
7h 27m1 stop
$928Delta
Sun, Jun 7 - Sat, Jun 13
Delta Logo
12:24 pm - 11:48 pm
LWS
-
IAD
8h 24m1 stop
Delta Logo
7:05 am - 11:42 am
IAD
-
LWS
7h 37m1 stop
$986Delta
Mon, Jan 5 - Fri, Jan 9
Delta Logo
7:05 am - 11:57 pm
LWS
-
IAD
13h 52m2 stops
Delta Logo
7:05 am - 11:42 am
IAD
-
LWS
7h 37m1 stop
$992Delta
Tue, Jan 6 - Fri, Jan 9
Delta Logo
7:05 am - 11:23 pm
LWS
-
DCA
13h 18m2 stops
Delta Logo
11:55 am - 8:59 pm
DCA
-
LWS
12h 04m2 stops
$997Delta
Tue, Jan 6 - Fri, Jan 9
Delta Logo
12:30 pm - 11:51 pm
LWS
-
IAD
8h 21m1 stop
Delta Logo
7:15 am - 11:42 am
IAD
-
LWS
7h 27m1 stop
$1,018Delta
Sun, Jun 7 - Sat, Jun 13
Delta Logo
12:30 pm - 11:51 pm
LWS
-
IAD
8h 21m1 stop
Delta Logo
6:00 am - 11:42 am
IAD
-
LWS
8h 42m2 stops
$1,024Delta
Sun, Jun 7 - Sat, Jun 13
Delta Logo
7:05 am - 11:33 pm
LWS
-
DCA
13h 28m2 stops
Delta Logo
11:55 am - 8:59 pm
DCA
-
LWS
12h 04m2 stops
$1,028Delta
Mon, Jan 5 - Fri, Jan 9
Delta Logo
12:30 pm - 12:09 am
LWS
-
IAD
8h 39m2 stops
Delta Logo
6:00 am - 11:42 am
IAD
-
LWS
8h 42m2 stops
$1,199Delta
Sun, Jun 7 - Sat, Jun 13
Delta Logo
7:05 am - 11:48 pm
LWS
-
IAD
13h 43m2 stops
Delta Logo
7:05 am - 11:42 am
IAD
-
LWS
7h 37m1 stop
$1,325Delta
Mon, Jan 5 - Fri, Jan 9
Delta Logo
7:05 am - 11:57 pm
LWS
-
IAD
13h 52m2 stops
Delta Logo
12:09 pm - 8:59 pm
IAD
-
LWS
11h 50m2 stops
$1,450Delta
Tue, Jan 6 - Fri, Jan 9

Delta flights from Lewiston, Idaho to District of Columbia

Our best Delta deals on Lewiston, Idaho to District of Columbia flight tickets
Delta
Jun 7
LWS12:30 pmLewiston Nez Perce Rgnl
8h 21m
1 stop
IAD11:51 pmWashington, D.C. Dulles Intl
Jun 13
IAD7:15 amWashington, D.C. Dulles Intl
7h 27m
1 stop
LWS11:42 amLewiston Nez Perce Rgnl
$928
Find similar
Delta
Jan 5
LWS12:24 pmLewiston Nez Perce Rgnl
8h 24m
1 stop
IAD11:48 pmWashington, D.C. Dulles Intl
Jan 9
IAD7:05 amWashington, D.C. Dulles Intl
7h 37m
1 stop
LWS11:42 amLewiston Nez Perce Rgnl
$986
Find similar
Delta
Jan 6
LWS7:05 amLewiston Nez Perce Rgnl
13h 52m
2 stops
IAD11:57 pmWashington, D.C. Dulles Intl
Jan 9
IAD7:05 amWashington, D.C. Dulles Intl
7h 37m
1 stop
LWS11:42 amLewiston Nez Perce Rgnl
$992
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 December 23, 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

Sun 6/7

12:30 pm-11:51 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Sat 6/13

7:15 am-11:42 am

1 stop7h 27m

$928

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 1/5

12:24 pm-11:48 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Fri 1/9

7:05 am-11:42 am

1 stop7h 37m

$986

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 1/6

7:05 am-11:57 pm

2 stops13h 52m

Washington, D.C. Dulles Intl

Fri 1/9

7:05 am-11:42 am

1 stop7h 37m

$992

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 1/6

7:05 am-11:23 pm

2 stops13h 18m

Washington, D.C. Reagan-National

Fri 1/9

11:55 am-8:59 pm

2 stops12h 04m

$997

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

12:30 pm-11:51 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Sat 6/13

7:15 am-11:42 am

1 stop7h 27m

$1,018

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

12:30 pm-11:51 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Sat 6/13

6:00 am-11:42 am

2 stops8h 42m

$1,024

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 1/5

7:05 am-11:33 pm

2 stops13h 28m

Washington, D.C. Reagan-National

Fri 1/9

11:55 am-8:59 pm

2 stops12h 04m

$1,028

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

12:30 pm-12:09 am

2 stops8h 39m

Washington, D.C. Dulles Intl

Sat 6/13

6:00 am-11:42 am

2 stops8h 42m

$1,199

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 1/5

7:05 am-11:48 pm

2 stops13h 43m

Washington, D.C. Dulles Intl

Fri 1/9

7:05 am-11:42 am

1 stop7h 37m

$1,325

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 1/6

7:05 am-11:57 pm

2 stops13h 52m

Washington, D.C. Dulles Intl

Fri 1/9

12:09 pm-8:59 pm

2 stops11h 50m

$1,450

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

Fastest flight time

8h 21m

Direct flights

None
The fastest flight from Lewiston, Idaho to District of Columbia takes 8h 21m
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.
Search flight deals

  • 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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