$239 Cheap Flights from Sault Ste. Marie (CIU) to Washington (IAD)

View $239 flight on Tue, Sep 30, 2025Opens in a new window

Popular airlines from Sault Ste. Marie, MI (CIU-Chippewa County Intl.) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Sault Ste. Marie to Washington (CIU-IAD)

Prices were available within the past 7 days and start at $239 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 20 - Sat, Sep 27
CIU
Sault Ste. Marie
IAD
Washington
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Sault Ste. Marie to Washington, returning Sat, Sep 27, priced at $339 found 2 days ago
United
Sat, Sep 20 - Sun, Sep 28
CIU
Sault Ste. Marie
IAD
Washington
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Sault Ste. Marie to Washington, returning Sun, Sep 28, priced at $364 found 2 days ago
United
Tue, Sep 23 - Sat, Sep 27
CIU
Sault Ste. Marie
IAD
Washington
$407 Roundtrip, found 2 days ago
$407
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 23 from Sault Ste. Marie to Washington, returning Sat, Sep 27, priced at $407 found 2 days ago
United
Sat, Sep 20 - Mon, Sep 22
CIU
Sault Ste. Marie
IAD
Washington
$414 Roundtrip, found 2 days ago
$414
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Sault Ste. Marie to Washington, returning Mon, Sep 22, priced at $414 found 2 days ago
United
Thu, Sep 25 - Sat, Sep 27
CIU
Sault Ste. Marie
IAD
Washington
$418 Roundtrip, found 2 days ago
$418
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 25 from Sault Ste. Marie to Washington, returning Sat, Sep 27, priced at $418 found 2 days ago
United
Tue, Sep 23 - Sun, Sep 28
CIU
Sault Ste. Marie
IAD
Washington
$432 Roundtrip, found 2 days ago
$432
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 23 from Sault Ste. Marie to Washington, returning Sun, Sep 28, priced at $432 found 2 days ago
Delta
Thu, Oct 2 - Sun, Oct 5
CIU
Sault Ste. Marie
IAD
Washington
$434 Roundtrip, found 4 hours ago
$434
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Oct 2 from Sault Ste. Marie to Washington, returning Sun, Oct 5, priced at $434 found 4 hours ago
United
Sat, Sep 20 - Fri, Sep 26
CIU
Sault Ste. Marie
IAD
Washington
$440 Roundtrip, found 2 days ago
$440
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Sault Ste. Marie to Washington, returning Fri, Sep 26, priced at $440 found 2 days ago
United
Mon, Sep 22 - Fri, Sep 26
CIU
Sault Ste. Marie
IAD
Washington
$443 Roundtrip, found 2 days ago
$443
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 22 from Sault Ste. Marie to Washington, returning Fri, Sep 26, priced at $443 found 2 days ago
Delta
Thu, Jul 2 - Mon, Jul 6
CIU
Sault Ste. Marie
IAD
Washington
$458 Roundtrip, found 1 day ago
$458
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jul 2 from Sault Ste. Marie to Washington, returning Mon, Jul 6, priced at $458 found 1 day ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $589
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $589
Flights from Sault Ste. Marie (CIU) to Washington (IAD)
Origin airport
Chippewa County Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Delta
Roundtrip price
$338
Distance
617 mi

Sault Ste. Marie to Washington Flights

The cheapest times to fly from Sault Ste. Marie to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sault Ste. Marie to Washington are during the month of September. You can find some of the cheapest flights from Sault Ste. Marie to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sault Ste. Marie to Washington

Sunday is one of the best days to book for cheap flights from Sault Ste. Marie to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sault Ste. Marie to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sault Ste. Marie to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $239 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sault Ste. Marie to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sault Ste. Marie to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $239 or cheap return flight from $339 from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from CIU to IAD is September, when there's less demand. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from CIU to IAD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD)?
There are no daily direct flights departing from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from CIU to IAD?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from CIU to IAD right before your journey is usually more expensive. However, if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a CIU to IAD flight and hotel package?
Booking a CIU to IAD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chippewa County Intl. Airport (CIU) to Washington Dulles Intl. Airport (IAD)?
If you booked your CIU to IAD flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.