$114 Cheap Flights from Sacramento (SMF) to Washington (IAD)

View $114 flight on Thu, May 29, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)

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Find available prices by choosing your travel dates.

Cheap Flights from Sacramento to Washington (SMF-IAD)

Prices were available within the past 7 days and start at $114 for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, May 8 - Thu, May 29
SMF
Sacramento
IAD
Washington
$208 Roundtrip, found 7 hours ago
$208
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, May 8 from Sacramento to Washington, returning Thu, May 29, priced at $208 found 7 hours ago
Frontier Airlines
Thu, May 1 - Sat, May 10
SMF
Sacramento
IAD
Washington
$218 Roundtrip, found 3 hours ago
$218
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 1 from Sacramento to Washington, returning Sat, May 10, priced at $218 found 3 hours ago
Frontier Airlines
Thu, May 1 - Thu, May 8
SMF
Sacramento
IAD
Washington
$228 Roundtrip, found 3 hours ago
$228
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 1 from Sacramento to Washington, returning Thu, May 8, priced at $228 found 3 hours ago
Frontier Airlines
Sun, May 4 - Sat, May 10
SMF
Sacramento
IAD
Washington
$238 Roundtrip, found 3 hours ago
$238
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, May 4 from Sacramento to Washington, returning Sat, May 10, priced at $238 found 3 hours ago
Alaska Airlines
Wed, Jun 4 - Mon, Jun 9
SMF
Sacramento
IAD
Washington
$244 Roundtrip, found 7 hours ago
$244
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Sacramento to Washington, returning Mon, Jun 9, priced at $244 found 7 hours ago
Delta
Mon, Jun 2 - Mon, Jun 9
SMF
Sacramento
IAD
Washington
$248 Roundtrip, found 11 hours ago
$248
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Jun 2 from Sacramento to Washington, returning Mon, Jun 9, priced at $248 found 11 hours ago
Frontier Airlines
Fri, May 9 - Wed, Jun 11
SMF
Sacramento
IAD
Washington
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 9 from Sacramento to Washington, returning Wed, Jun 11, priced at $251 found 1 day ago
Alaska Airlines
Fri, May 9 - Fri, Jun 6
SMF
Sacramento
IAD
Washington
$253 Roundtrip, found 21 hours ago
$253
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Fri, May 9 from Sacramento to Washington, returning Fri, Jun 6, priced at $253 found 21 hours ago
Hawaiian Airlines
Tue, Aug 5 - Tue, Aug 12
SMF
Sacramento
IAD
Washington
$269 Roundtrip, found 2 hours ago
$269
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Tue, Aug 5 from Sacramento to Washington, returning Tue, Aug 12, priced at $269 found 2 hours ago
United
Wed, Nov 5 - Sun, Nov 23
SMF
Sacramento
IAD
Washington
$289 Roundtrip, just found
$289
Roundtrip
just found
Select United flight, departing Wed, Nov 5 from Sacramento to Washington, returning Sun, Nov 23, priced at $289 just found
Flights from Sacramento (SMF) to Washington (IAD)
Origin airport
Sacramento Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$208
Distance
2352 mi

Sacramento to Washington Flights

The cheapest times to fly from Sacramento 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 Sacramento to Washington are during the month of May. You can find some of the cheapest flights from Sacramento to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Sacramento to Washington

Sunday is one of the best days to book for cheap flights from Sacramento 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 Sacramento 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 Sacramento to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $114 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 Sacramento 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 Sacramento 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 Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD) cost?
Book cheap return flights starting from $289 from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SMF on May 21 2025 and touching down at IAD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SMF to IAD?
The cheapest flights from SMF to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
You can fly directly from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD) on a United Airlines flight.
What is the cheapest airline that flies from SMF to IAD?
Currently, the cheapest airline operating one-way flights from SMF to IAD is United. You can take off on this route from $274. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SMF on July 20 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
On average, there’s only 1 direct flight taking off from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD) every day. If this doesn’t fit your plans, check out flights with layovers. Just customize your search results on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
More passengers fly between SMF and IAD at 8 AM than at any other point in the day. Rather go when it’s quieter? Try choosing a quieter departure window and you could save on your ticket as well.
What day of the week has the most flights from SMF to IAD?
Fly on a Friday if you’re searching for the best selection of flights from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
Sacramento Intl. Airport (SMF)’s earliest flight to Washington Dulles Intl. Airport (IAD) takes off at approximately 8:00AM UTC-8. With a total flight time of 5h, you’ll arrive at around 4:00PM UTC-5.
How long does it take to fly from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from SMF to IAD is 5 hours, covering a distance of 2,400 mi.
What airline has the least delays from SMF to IAD?
United Airlines has the best track record for on-time direct flights from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD), with an on-time rating of 87%. Use the Expedia App to check your flight status before you leave and get notified of any trip changes.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) on time, book a flight that leaves from Sacramento Intl. Airport (SMF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Washington from Sacramento Intl. Airport (SMF)?
If you’re traveling on a direct flight from Sacramento Intl. Airport (SMF) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book your flight from SMF to IAD often results in higher prices. While you may find some last-minute offers, they aren’t always guaranteed. Be flexible with your travel plans for a better chance of getting a bargain.
Is it cheaper to book a SMF to IAD flight and hotel package?
You can save money by securing a SMF to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. After choosing your preferred flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Washington Dulles Intl. Airport (IAD)?
Typically, it’s possible to reschedule or cancel your SMF to IAD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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