$66 Cheap Flights from South Bend (SBN) to Washington (IAD)

View $66 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from South Bend to Washington (SBN-IAD)

Prices were available within the past 7 days and start at $66 for one-way flights and $110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Dec 12 - Fri, Jan 9
SBN
South Bend
IAD
Washington
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Dec 12 from South Bend to Washington, returning Fri, Jan 9, priced at $110 found 3 days ago
Breeze Airways
Fri, Dec 12 - Fri, Jan 9
SBN
South Bend
IAD
Washington
$115 Roundtrip, found 3 days ago
$115
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Dec 12 from South Bend to Washington, returning Fri, Jan 9, priced at $115 found 3 days ago
Breeze Airways
Fri, Feb 13 - Mon, Feb 16
SBN
South Bend
IAD
Washington
$116 Roundtrip, found 4 days ago
$116
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Fri, Feb 13 from South Bend to Washington, returning Mon, Feb 16, priced at $116 found 4 days ago
Breeze Airways
Fri, Dec 12 - Fri, Jan 9
SBN
South Bend
IAD
Washington
$120 Roundtrip, found 3 days ago
$120
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Dec 12 from South Bend to Washington, returning Fri, Jan 9, priced at $120 found 3 days ago
Breeze Airways
Fri, Feb 13 - Mon, Feb 16
SBN
South Bend
IAD
Washington
$121 Roundtrip, found 4 days ago
$121
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Fri, Feb 13 from South Bend to Washington, returning Mon, Feb 16, priced at $121 found 4 days ago
Breeze Airways
Fri, Feb 13 - Mon, Feb 16
SBN
South Bend
IAD
Washington
$126 Roundtrip, found 4 days ago
$126
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Fri, Feb 13 from South Bend to Washington, returning Mon, Feb 16, priced at $126 found 4 days ago
Breeze Airways
Fri, Nov 21 - Mon, Nov 24
SBN
South Bend
IAD
Washington
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Fri, Nov 21 from South Bend to Washington, returning Mon, Nov 24, priced at $132 found 1 hour ago
United
Fri, Nov 14 - Mon, Nov 17
SBN
South Bend
IAD
Washington
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select United flight, departing Fri, Nov 14 from South Bend to Washington, returning Mon, Nov 17, priced at $137 found 1 day ago
Delta
Fri, Dec 5 - Fri, Dec 12
SBN
South Bend
IAD
Washington
$164 Roundtrip, found 16 hours ago
$164
Roundtrip
found 16 hours ago
Select Delta flight, departing Fri, Dec 5 from South Bend to Washington, returning Fri, Dec 12, priced at $164 found 16 hours ago
American Airlines
Tue, Dec 9 - Sun, Dec 14
SBN
South Bend
IAD
Washington
$279 Roundtrip, found 8 hours ago
$279
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Tue, Dec 9 from South Bend to Washington, returning Sun, Dec 14, priced at $279 found 8 hours ago

Find the cheapest month to fly from South Bend (SBN) to Washington (IAD)

February is typically the cheapest month to fly

From $61 - $238 per traveler.

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 $187
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $187

Frequently asked questions

How much does a flight from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $66 or cheap return flight from $110 from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from SBN to IAD is December, when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
Which airlines fly direct from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
Catch a direct flight with United Airlines and journey straight from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
The cheapest airline to offer flights between South Bend Intl. Airport (SBN) and Washington Dulles Intl. Airport (IAD) can vary based on your travel dates. Breeze Airways and United Airlines are just some well-known options offering competitive fares. Use Expedia's filters to compare airlines in one place and find the right SBN to IAD flight that fits your budget.
How many flights per day from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
On average, only 1 nonstop flight departs daily from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD). Looking for more options? Use our filter tool to discover flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
Flights between SBN and IAD are busiest at 9 AM. If you're after a more relaxed atmosphere and potentially cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from SBN to IAD?
If you fly on a Friday, you'll get the greatest range of options for flights from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
The earliest flight taking off from South Bend Intl. Airport (SBN) is at around 9:45AM UTC-5. Catch this flight and you'll touch down at Washington Dulles Intl. Airport (IAD) at approximately 11:27AM UTC-5. The total time in the air is 1h 42m.
How long does it take to fly from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from SBN to IAD is 1 hour and 42 minutes, covering a total distance of 500 mi.
What is the best time to fly from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Departures after this time 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.
What airports do you fly into for Washington from South Bend Intl. Airport (SBN)?
If you're boarding a direct flight from South Bend Intl. Airport (SBN) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until just before your departure to book a ticket from SBN to IAD often results in higher prices. While you may come across some last-minute discounts, there's no guarantee. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a SBN to IAD flight and hotel package?
Securing a SBN to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from South Bend Intl. Airport (SBN) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can cancel or modify your SBN to IAD flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
South Bend Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Breeze Airways, Delta, United
Roundtrip price
$109
Distance
503 mi
Average flight time
1 hour 39 mins

Book with confidence

South Bend to Washington Flights

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

 

The best time to book a flight from South Bend to Washington

Sunday is one of the best days to book for cheap flights from South Bend 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 South Bend 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 South Bend to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $66 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 South Bend 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 South Bend 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.

 

South Bend to Washington Flights

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