What is the cheapest day to fly from Lewiston, Idaho to Washington, D.C.?

Travelers seeking maximum savings on their Lewiston, Idaho to Washington, D.C. flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Lewiston, Idaho to Washington, D.C.?

Most travelers choose Lewiston Nez Perce Rgnl - Baltimore/Washington, Lewiston Nez Perce Rgnl - Washington, D.C. Dulles Intl or Lewiston Nez Perce Rgnl - Washington, D.C. Reagan-National when deciding on the best route from Lewiston, Idaho to Washington, D.C..

What is the cheapest day to fly round-trip from Lewiston, Idaho to Washington, D.C.?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from Lewiston, Idaho to Washington, D.C..

What is the cheapest time of day to fly from LWS to WAS?

When flying from Lewiston, Idaho to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Lewiston to Washington, D.C.?

For a flight from Lewiston to Washington, D.C., you will be flying from Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city. Nez Perce Rgnl is the only Lewiston airport and it handles 0 outbound flights to Washington, D.C. per day. 0 airlines have flights to Washington, D.C. from Lewiston Nez Perce Rgnl on a regular basis.

Can I find deals for flights from Lewiston to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Lewiston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lewiston to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lewiston to Washington, D.C..

Can I find deals for business class flights from Lewiston to Washington, D.C.?

Yes. Cheapflights offers flight deals from Lewiston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$443+ Cheap Flights from Lewiston, ID to Washington, D.C.

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Cheap flight deals from Lewiston to Washington, D.C.

Round-trip from	$511 (Delta)
One-way from	$443 (Delta)

From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)

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One-way flight from Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)

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Find flight deals from Lewiston to Washington, D.C.

Cheapest flights from Lewiston to Washington, D.C.
Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Wed 12/107:05 amLWS - BWI

2 stops12h 51mDelta

Sat 12/136:19 amBWI - LWS

2 stops17h 44mDelta

Deal found 8/16

$511

Sat 8/302:00 pmLWS - IAD

1 stop6h 32mDelta

Wed 9/37:30 amIAD - LWS

1 stop8h 49mDelta

Deal found 8/15

$536

Sat 8/302:00 pmLWS - BWI

1 stop6h 56mDelta

Wed 9/37:15 amBWI - LWS

1 stop9h 04mDelta

Deal found 8/15

$536

Sat 8/307:05 amLWS - DCA

2 stops12h 54mDelta

Wed 9/36:00 amDCA - LWS

2 stops10h 19mDelta

Deal found 8/15

$763

Sun 9/142:02 pmLWS - IAD

2 stops12h 59mDelta

Sun 9/216:00 amIAD - LWS

2 stops10h 22mDelta

Deal found 8/15

$1,001

Best flights from Lewiston to Washington, D.C.
Discover carefully curated flight deals from Lewiston to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Wed 12/107:05 amLWS - BWI

2 stops12h 51mDelta

Sat 12/137:15 amBWI - LWS

2 stops16h 48mDelta

Deal found 8/14

$511

Sat 8/302:00 pmLWS - IAD

1 stop6h 32mDelta

Wed 9/37:30 amIAD - LWS

1 stop8h 49mDelta

Deal found 8/15

$536

Sat 8/302:00 pmLWS - BWI

1 stop6h 56mDelta

Wed 9/37:15 amBWI - LWS

1 stop9h 04mDelta

Deal found 8/15

$536

Sat 8/307:05 amLWS - DCA

2 stops12h 54mDelta

Wed 9/36:00 amDCA - LWS

2 stops10h 19mDelta

Deal found 8/15

$763

Sun 9/142:02 pmLWS - IAD

2 stops12h 59mDelta

Sun 9/216:00 amIAD - LWS

2 stops10h 22mDelta

Deal found 8/15

$1,001

Last-minute flights from Lewiston to Washington, D.C.
Discover last-minute flight deals from Lewiston to Washington, D.C.. Data last updated August 17, 2025 and is based on user searches.

Sat 8/302:00 pmLWS - IAD

1 stop6h 32mDelta

Wed 9/37:30 amIAD - LWS

1 stop8h 49mDelta

Deal found 8/15

$536

Sat 8/302:00 pmLWS - BWI

1 stop6h 56mDelta

Wed 9/37:15 amBWI - LWS

1 stop9h 04mDelta

Deal found 8/15

$536

Sat 8/307:05 amLWS - DCA

2 stops12h 54mDelta

Wed 9/36:00 amDCA - LWS

2 stops10h 19mDelta

Deal found 8/15

$763

Sun 9/142:02 pmLWS - IAD

2 stops12h 59mDelta

Sun 9/216:00 amIAD - LWS

2 stops10h 22mDelta

Deal found 8/15

$1,001

One-way flights from Lewiston to Washington, D.C.
Search for one-way flight options from Lewiston to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Sun 9/72:00 pmLWS - IAD

1 stop6h 32mDelta

Deal found 8/14

$443

Sun 9/77:05 amLWS - DCA

2 stops11h 56mDelta

Deal found 8/14

$680

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lewiston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Wed 12/10

7:05 am-10:56 pm

2 stops12h 51m

Baltimore/Washington

Sat 12/13

7:15 am-9:03 pm

2 stops16h 48m

$511

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 8/30

2:00 pm-11:32 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Wed 9/3

7:30 am-1:19 pm

1 stop8h 49m

$536

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Sat 8/30

2:00 pm-11:56 pm

1 stop6h 56m

Baltimore/Washington

Wed 9/3

7:15 am-1:19 pm

1 stop9h 04m

$536

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 8/30

7:05 am-10:59 pm

2 stops12h 54m

Washington, D.C. Reagan-National

Wed 9/3

6:00 am-1:19 pm

2 stops10h 19m

$763

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 9/14

2:02 pm-6:01 am

2 stops12h 59m

Washington, D.C. Dulles Intl

Sun 9/21

6:00 am-1:22 pm

2 stops10h 22m

$1,001

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 9/7

2:00 pm-11:32 pm

1 stop6h 32m

$443

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sun 9/7

7:05 am-10:01 pm

2 stops11h 56m

$680

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Lewiston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lewiston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lewiston to Washington, D.C.

What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C.?

Currently, July is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. (average of $302). Flying from Lewiston, Idaho to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta from Lewiston to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,986 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,986 reviews

Delta

8.0

Very good

7,986 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Lewiston to Washington, D.C.?
For a flight from Lewiston to Washington, D.C., you will be flying from Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city. Nez Perce Rgnl is the only Lewiston airport and it handles 0 outbound flights to Washington, D.C. per day. 0 airlines have flights to Washington, D.C. from Lewiston Nez Perce Rgnl on a regular basis.
What are the most popular routes from Lewiston, Idaho to Washington, D.C.?
Most travelers choose Lewiston Nez Perce Rgnl - Baltimore/Washington, Lewiston Nez Perce Rgnl - Washington, D.C. Dulles Intl or Lewiston Nez Perce Rgnl - Washington, D.C. Reagan-National when deciding on the best route from Lewiston, Idaho to Washington, D.C..
Can I find deals for flights from Lewiston to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lewiston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lewiston to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lewiston to Washington, D.C..
Can I find deals for business class flights from Lewiston to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lewiston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C.?
Currently, July is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. (average of $302). Flying from Lewiston, Idaho to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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$443+ Cheap flights from Lewiston, ID (LWS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lewiston to Washington, D.C. with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lewiston to Washington, D.C.

Round-trip from

One-way from

Find flight deals from Lewiston to Washington, D.C.

Cheapest flights from Lewiston to Washington, D.C.Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lewiston to Washington, D.C. that are best for you.

Best time to book a flight from Lewiston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lewiston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lewiston to Washington, D.C.

What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta from Lewiston to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lewiston to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Lewiston to Washington, D.C.?

What are the most popular routes from Lewiston, Idaho to Washington, D.C.?

Can I find deals for flights from Lewiston to Washington, D.C. that include hotel bookings?

How can I find direct flights from Lewiston to Washington, D.C.?

Can I find deals for business class flights from Lewiston to Washington, D.C.?

What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C.?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lewiston to Washington, D.C.

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Cheapest flights from Lewiston to Washington, D.C.
Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.