Cheap flights from Lewiston, Idaho to Washington, D.C. from $573

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 Washington, D.C. 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 Washington, D.C.

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
12:14 pm - 11:00 pm
IAD
-
LWS
13h 46m
2 stops
$582Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
12:10 pm - 11:40 pm
LWS
-
IAD
8h 30m
1 stop
Delta Logo
7:20 am - 11:27 am
IAD
-
LWS
7h 07m
1 stop
$612Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
12:10 pm - 12:53 am
LWS
-
BWI
9h 43m
2 stops
Delta Logo
7:01 am - 11:27 am
BWI
-
LWS
7h 26m
1 stop
$628Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
6:10 am - 11:40 pm
LWS
-
IAD
14h 30m
2 stops
Delta Logo
12:14 pm - 11:00 pm
IAD
-
LWS
13h 46m
2 stops
$663Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
12:10 pm - 11:39 pm
LWS
-
DCA
8h 29m
2 stops
Delta Logo
4:40 pm - 11:00 pm
DCA
-
LWS
9h 20m
1 stop
$678Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
12:10 pm - 11:39 pm
LWS
-
DCA
8h 29m
2 stops
Delta Logo
12:29 pm - 11:00 pm
DCA
-
LWS
13h 31m
2 stops
$683Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
12:10 pm - 12:53 am
LWS
-
BWI
9h 43m
2 stops
Delta Logo
5:40 am - 11:27 am
BWI
-
LWS
8h 47m
2 stops
$729Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
12:10 pm - 11:39 pm
LWS
-
DCA
8h 29m
2 stops
Delta Logo
4:40 pm - 11:00 pm
DCA
-
LWS
9h 20m
1 stop
$746Delta
Wed, Mar 18 - Sun, Mar 22
Delta Logo
12:10 pm - 11:40 pm
LWS
-
IAD
8h 30m
1 stop
Delta Logo
7:20 am - 11:27 am
IAD
-
LWS
7h 07m
1 stop
$838Delta
Wed, Mar 18 - Sun, Mar 22
Delta Logo
12:10 pm - 12:27 am
LWS
-
IAD
9h 17m
2 stops
Delta Logo
7:20 am - 11:27 am
IAD
-
LWS
7h 07m
1 stop
$934Delta
Wed, Mar 18 - Sun, Mar 22

Delta flights from Lewiston, Idaho to Washington, D.C.

Our best Delta deals on Lewiston, Idaho to Washington, D.C. flight tickets
Delta
Mar 17
LWS12:10 pmLewiston Nez Perce Rgnl
8h 30m
1 stop
IAD11:40 pmWashington, D.C. Dulles Intl
Mar 21
IAD12:14 pmWashington, D.C. Dulles Intl
13h 46m
2 stops
LWS11:00 pmLewiston Nez Perce Rgnl
$582
Delta
Mar 17
LWS12:10 pmLewiston Nez Perce Rgnl
8h 30m
1 stop
IAD11:40 pmWashington, D.C. Dulles Intl
Mar 21
IAD7:20 amWashington, D.C. Dulles Intl
7h 07m
1 stop
LWS11:27 amLewiston Nez Perce Rgnl
$612
Delta
Mar 17
LWS12:10 pmLewiston Nez Perce Rgnl
9h 43m
2 stops
BWI12:53 amBaltimore/Washington
Mar 21
BWI7:01 amBaltimore/Washington
7h 26m
1 stop
LWS11:27 amLewiston Nez Perce Rgnl
$628

momondo Fare Finder

 
Customize your flight search to find flights from Lewiston, Idaho to Washington, D.C. 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 3, 2026.
Use the filters below to find and compare flights from Lewiston, Idaho to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/17

12:10 pm-11:40 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Sat 3/21

12:14 pm-11:00 pm

2 stops13h 46m

$582

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/17

12:10 pm-11:40 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Sat 3/21

7:20 am-11:27 am

1 stop7h 07m

$612

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Tue 3/17

12:10 pm-12:53 am

2 stops9h 43m

Baltimore/Washington

Sat 3/21

7:01 am-11:27 am

1 stop7h 26m

$628

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/17

6:10 am-11:40 pm

2 stops14h 30m

Washington, D.C. Dulles Intl

Sat 3/21

12:14 pm-11:00 pm

2 stops13h 46m

$663

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/17

12:10 pm-11:39 pm

2 stops8h 29m

Washington, D.C. Reagan-National

Sat 3/21

4:40 pm-11:00 pm

1 stop9h 20m

$678

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/17

12:10 pm-11:39 pm

2 stops8h 29m

Washington, D.C. Reagan-National

Sat 3/21

12:29 pm-11:00 pm

2 stops13h 31m

$683

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Tue 3/17

12:10 pm-12:53 am

2 stops9h 43m

Baltimore/Washington

Sat 3/21

5:40 am-11:27 am

2 stops8h 47m

$729

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Wed 3/18

12:10 pm-11:39 pm

2 stops8h 29m

Washington, D.C. Reagan-National

Sun 3/22

4:40 pm-11:00 pm

1 stop9h 20m

$746

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 3/18

12:10 pm-11:40 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Sun 3/22

7:20 am-11:27 am

1 stop7h 07m

$838

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 3/18

12:10 pm-12:27 am

2 stops9h 17m

Washington, D.C. Dulles Intl

Sun 3/22

7:20 am-11:27 am

1 stop7h 07m

$934

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lewiston, Idaho to Washington, D.C.

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

Can stopping save me money on Lewiston, Idaho to Washington, D.C. flights?

You could potentially save up to 60% on your flight if you consider stops on a Lewiston, Idaho to Washington, D.C. flight.

When to book flights from Lewiston, Idaho to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Lewiston, Idaho to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lewiston, Idaho to Washington, D.C. (LWS to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lewiston, Idaho to Washington, D.C.

Fastest flight time

8h 21m

Direct flights

None
The fastest flight from Lewiston, Idaho to Washington, D.C. takes 8h 21m
There are no direct flights from Lewiston, Idaho to Washington, D.C.. There are no popular flight routes from Lewiston, Idaho to Washington, D.C..
  • How far is Lewiston Nez Perce Rgnl to Washington, D.C. by plane?

    The distance between Lewiston Nez Perce Rgnl and Washington, D.C. is about 2070.7 mi. A reasonable flight in good conditions will take 8h 21m.

  • When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C.?

    Prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. are refreshed on a daily basis.

  • How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lewiston Nez Perce Rgnl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
Reston

Why use momondo?

Why should I use momondo to find a flight deal from Lewiston to Washington, D.C.?

Finding the right flight to Washington, D.C. from Lewiston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Lewiston to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Lewiston with this policy.

How can momondo help me find flights from Lewiston to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Lewiston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Lewiston to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Lewiston and alert you when they change.

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1 adult
Thu 4/2
Thu 4/9

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.