$492+ Cheap flights from District of Columbia to Lewiston, ID (LWS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LWS
Nov 19 — Nov 261
1 adult, Economy
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Cheapest flights from District of Columbia to LewistonExplore the most affordable flight options available from District of Columbia to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.
Explore the most affordable flight options available from District of Columbia to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:00 pmIAD - LWS
2 stops11h 03mDelta
Tue 11/1112:23 pmLWS - IAD
1 stop8h 35mDelta
Deal found 10/19![Delta logo]()
$838
Cheap flight deals from District of Columbia to Lewiston
Keep the following information in mind while searching for District of Columbia to Lewiston flight deals. Data was last updated October 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $492 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from District of Columbia to Lewiston 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, Cheapflights users made 2,558,603 searches. Data last updated October 20, 2025.
Use the filters below to find and compare flights from District of Columbia to Lewiston that are best for you.
Fly from
District of Columbia
Fly to
Lewiston
Route
Depart
Return
Price
Washington, D.C.Lewiston
DCA - LWS
DCALWS
Washington, D.C. Reagan-National
Sat 3/28
4:40 pm-10:57 pm
1 stop9h 17m
Lewiston Nez Perce Rgnl
Wed 4/1
6:25 am-7:20 pm
2 stops9h 55m
$492
Washington, D.C.Lewiston
IAD - LWS
IADLWS
Washington, D.C. Dulles Intl
Sat 3/28
7:00 am-9:02 pm
1 stop17h 02m
Lewiston Nez Perce Rgnl
Wed 4/1
12:30 pm-11:50 pm
1 stop8h 20m
$791
Washington, D.C.Lewiston
IAD - LWS
IADLWS
Washington, D.C. Dulles Intl
Fri 11/7
1:00 pm-9:03 pm
2 stops11h 03m
Lewiston Nez Perce Rgnl
Tue 11/11
12:23 pm-11:58 pm
1 stop8h 35m
$838
Best time to book a flight from District of Columbia to Lewiston
Have a flexible travel schedule? Discover the best time to fly to Lewiston from District of Columbia 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 District of Columbia to Lewiston
What is the cheapest month to book a flight from District of Columbia to Lewiston, Idaho?
Currently, May is the cheapest month in which you can book a flight from District of Columbia to Lewiston, Idaho (average of $183). Flying from District of Columbia to Lewiston, Idaho in November is currently the most expensive (average of $320). 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.