Cheap flights from Lewiston, Idaho to District of Columbia from $452

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 5/10. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
12:10 pm - 11:40 pm
LWS
-
IAD
8h 30m
1 stop
Delta Logo
7:20 am - 11:33 am
IAD
-
LWS
7h 13m
1 stop
$616Delta
Sat, Apr 11 - Wed, Apr 15
Delta Logo
12:10 pm - 11:40 pm
LWS
-
IAD
8h 30m
1 stop
Delta Logo
5:07 pm - 12:08 am
IAD
-
LWS
10h 01m
2 stops
$622Delta
Sat, Apr 11 - Wed, Apr 15
Delta Logo
12:10 pm - 11:39 pm
LWS
-
DCA
8h 29m
2 stops
Delta Logo
4:39 pm - 12:08 am
DCA
-
LWS
10h 29m
1 stop
$622Delta
Fri, Apr 10 - Mon, Apr 13
Delta Logo
12:10 pm - 11:39 pm
LWS
-
DCA
8h 29m
2 stops
Delta Logo
2:55 pm - 12:08 am
DCA
-
LWS
12h 13m
2 stops
$627Delta
Sat, Apr 11 - Wed, Apr 15
Delta Logo
12:13 pm - 11:44 pm
LWS
-
IAD
8h 31m
1 stop
Delta Logo
7:20 am - 11:33 am
IAD
-
LWS
7h 13m
1 stop
$837Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:10 am - 6:45 pm
LWS
-
IAD
9h 35m
2 stops
Delta Logo
5:07 pm - 12:08 am
IAD
-
LWS
10h 01m
2 stops
$838Delta
Sat, Apr 11 - Wed, Apr 15
Delta Logo
12:10 pm - 11:39 pm
LWS
-
DCA
8h 29m
2 stops
Delta Logo
5:34 pm - 12:08 am
DCA
-
LWS
9h 34m
2 stops
$838Delta
Fri, Apr 10 - Mon, Apr 13
Delta Logo
6:09 am - 5:57 pm
LWS
-
IAD
8h 48m
2 stops
Delta Logo
7:20 am - 11:33 am
IAD
-
LWS
7h 13m
1 stop
$843Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:09 am - 6:00 pm
LWS
-
DCA
8h 51m
2 stops
Delta Logo
6:00 am - 11:33 am
DCA
-
LWS
8h 33m
2 stops
$848Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
12:17 pm - 11:31 pm
LWS
-
IAD
8h 14m
1 stop
Delta Logo
7:15 am - 11:36 am
IAD
-
LWS
7h 21m
1 stop
$976Delta
Sun, Jun 7 - Sat, Jun 13

Delta flights from Lewiston, Idaho to District of Columbia

Our best Delta deals on Lewiston, Idaho to District of Columbia flight tickets
Delta
Apr 11
LWS12:10 pmLewiston Nez Perce Rgnl
8h 30m
1 stop
IAD11:40 pmWashington, D.C. Dulles Intl
Apr 15
IAD7:20 amWashington, D.C. Dulles Intl
7h 13m
1 stop
LWS11:33 amLewiston Nez Perce Rgnl
$616
Delta
Apr 11
LWS12:10 pmLewiston Nez Perce Rgnl
8h 30m
1 stop
IAD11:40 pmWashington, D.C. Dulles Intl
Apr 15
IAD5:07 pmWashington, D.C. Dulles Intl
10h 01m
2 stops
LWS12:08 amLewiston Nez Perce Rgnl
$622
Delta
Apr 11
LWS12:10 pmLewiston Nez Perce Rgnl
8h 29m
2 stops
DCA11:39 pmWashington, D.C. Reagan-National
Apr 15
DCA2:55 pmWashington, D.C. Reagan-National
12h 13m
2 stops
LWS12:08 amLewiston Nez Perce Rgnl
$627

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 March 31, 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

Sat 4/11

12:10 pm-11:40 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Wed 4/15

7:20 am-11:33 am

1 stop7h 13m

$616

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 4/11

12:10 pm-11:40 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Wed 4/15

5:07 pm-12:08 am

2 stops10h 01m

$622

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Fri 4/10

12:10 pm-11:39 pm

2 stops8h 29m

Washington, D.C. Reagan-National

Mon 4/13

4:39 pm-12:08 am

1 stop10h 29m

$622

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 4/11

12:10 pm-11:39 pm

2 stops8h 29m

Washington, D.C. Reagan-National

Wed 4/15

2:55 pm-12:08 am

2 stops12h 13m

$627

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 4/14

12:13 pm-11:44 pm

1 stop8h 31m

Washington, D.C. Dulles Intl

Sat 4/18

7:20 am-11:33 am

1 stop7h 13m

$837

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 4/11

6:10 am-6:45 pm

2 stops9h 35m

Washington, D.C. Dulles Intl

Wed 4/15

5:07 pm-12:08 am

2 stops10h 01m

$838

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Fri 4/10

12:10 pm-11:39 pm

2 stops8h 29m

Washington, D.C. Reagan-National

Mon 4/13

5:34 pm-12:08 am

2 stops9h 34m

$838

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 4/14

6:09 am-5:57 pm

2 stops8h 48m

Washington, D.C. Dulles Intl

Sat 4/18

7:20 am-11:33 am

1 stop7h 13m

$843

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 4/14

6:09 am-6:00 pm

2 stops8h 51m

Washington, D.C. Reagan-National

Sat 4/18

6:00 am-11:33 am

2 stops8h 33m

$848
Quickest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

12:17 pm-11:31 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

Sat 6/13

7:15 am-11:36 am

1 stop7h 21m

$976

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 51% 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 14m

Direct flights

None
The fastest flight from Lewiston, Idaho to District of Columbia takes 8h 14m
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.

An easier way to manage your District of Columbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/30
Thu 5/7

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo