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Dulles Intl

$69+ Cheap flights from South Bend (SBN) to Dulles Intl (IAD)

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from South Bend/Michiana to Washington, D.C. Dulles Intl are usually found in January or March, booked 20 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from South Bend to Dulles Intl

Cheapest flights from South Bend to Dulles Intl
Explore the most affordable flight options available from South Bend to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Breeze Airways deal was found by Cheapflights users on 12/11. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Mon 12/292:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Deal found 12/11$188
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Fri 1/22:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Deal found 12/10$226
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:00 amSBN - IAD
Nonstop1h 47mUnited Airlines
Thu 1/16:40 pmIAD - SBN
Nonstop2h 02mUnited Airlines
Deal found 12/11$229
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:00 amSBN - IAD
Nonstop1h 47mUnited Airlines
Mon 12/296:40 pmIAD - SBN
Nonstop2h 02mUnited Airlines
Deal found 12/11$249
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:00 amSBN - IAD
Nonstop1h 47mUnited Airlines
Mon 12/296:30 amIAD - SBN
1 stop6h 19mUnited Airlines
Deal found 12/11$259
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:00 amSBN - IAD
Nonstop1h 47mUnited Airlines
Mon 2/95:55 pmIAD - SBN
Nonstop2h 01mUnited Airlines
Deal found 12/11$263
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:00 amSBN - IAD
Nonstop1h 47mUnited Airlines
Wed 12/316:40 pmIAD - SBN
Nonstop2h 02mUnited Airlines
Deal found 12/11$268
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:30 amSBN - IAD
1 stop4h 54mUnited Airlines
Tue 12/308:15 amIAD - SBN
1 stop4h 34mUnited Airlines
Deal found 12/11$269

Find flight deals from South Bend to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from South Bend (SBN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$127
(Super.com)

One-way from

$69
(Super.com)

Popular in

December

Cheapest in

January

Average price

$348

Good round-trip deal

$228 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for South Bend/Michiana-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for South Bend/Michiana-Washington, D.C. Dulles Intl flights.
Search Deals
From South Bend/Michiana to Washington, D.C. Dulles Intl
Search Deals
One-way flight from South Bend/Michiana to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from South Bend/Michiana to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from South Bend/Michiana to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend to Dulles Intl 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 December 12, 2025.
Use the filters below to find and compare flights from South Bend to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

South Bend

Fly to

Dulles Intl

Route

Depart

Return

Price

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Sat 2/21

9:45 am-11:31 am

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 2/22

5:45 pm-7:44 pm

Nonstop1h 59m

$209

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Thu 1/8

10:00 am-11:47 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Sat 1/17

5:55 pm-7:56 pm

Nonstop2h 01m

$209

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 2/6

1:19 pm-5:35 pm

1 stop4h 16m

Washington, D.C. Dulles Intl

Sun 2/8

5:55 pm-7:56 pm

Nonstop2h 01m

$219

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Sat 1/24

10:00 am-11:47 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Fri 1/30

5:55 pm-7:56 pm

Nonstop2h 01m

$223

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 1/23

7:15 am-1:35 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Sun 1/25

6:00 am-11:04 am

1 stop5h 04m

$229

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 1/16

4:41 pm-9:17 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Mon 1/19

5:17 pm-11:30 pm

1 stop6h 13m

$229

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Wed 12/24

4:10 pm-9:21 pm

1 stop5h 11m

Washington, D.C. Dulles Intl

Sun 12/28

6:40 pm-8:42 pm

Nonstop2h 02m

$259

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Tue 12/30

10:00 am-11:47 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Mon 2/9

5:55 pm-7:56 pm

Nonstop2h 01m

$263

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 1/2

10:00 am-11:47 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Sat 1/3

6:40 pm-8:42 pm

Nonstop2h 02m

$279

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Thu 1/8

8:53 pm-7:55 am

1 stop11h 02m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results
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Compare providers for flights from South Bend to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from South Bend to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on South Bend-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on South Bend-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from South Bend-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on South Bend-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for South Bend-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from South Bend to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from South Bend 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 South Bend to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from South Bend to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from South Bend to Dulles Intl. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from South Bend to Washington, D.C. Dulles Intl Airport, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from South Bend to Washington, D.C. Dulles Intl Airport?

Currently, March is the cheapest month in which you can book a flight from South Bend to Washington, D.C. Dulles Intl Airport (average of $31). Flying from South Bend to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $99). 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.

What is the cheapest time of day to fly from SBN to IAD?

Find hourly flight availability from South Bend to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

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

How much does it cost to fly round-trip from South Bend to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from South Bend to Washington, D.C. Dulles Intl Airport, such as Breeze Airways, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Comfort

8.2

Crew

8.8

Overall

8.2

Entertainment

6.6

Food

6.7

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Breeze Airways
8.2
Very good
244 reviews
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Comfort

8.2

Crew

8.8

Overall

8.2

Entertainment

6.6

Food

6.7

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Delta
7.9
Good
8,005 reviews
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Comfort

8.2

Crew

8.8

Overall

8.2

Entertainment

6.6

Food

6.7

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
United Airlines
7.4
Good
9,095 reviews
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Comfort

8.2

Crew

8.8

Overall

8.2

Entertainment

6.6

Food

6.7

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.

Related info for your journey

Find useful and relevant information for your journey from South Bend to Dulles Intl. 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 South Bend to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from South Bend, you will be flying from South Bend/Michiana, which is the city’s only airport. South Bend/Michiana (SBN) is located 3.4 mi from the center of South Bend. There is 1 flight from South Bend/Michiana to Washington, D.C. Dulles Intl per day from 3 different airlines.

  • How long is the flight from South Bend to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from South Bend to Washington, D.C. Dulles Intl Airport in 1h 46m. Fly via United Airlines to get the fastest option. The distance from South Bend to Washington, D.C. Dulles Intl Airport is about 503 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from South Bend to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $36, Breeze Airways will fly you from South Bend to Washington, D.C. Dulles Intl Airport and back. In addition to Breeze Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $62 and $77, respectively. These flights start at 80% lower than the current average price 3 months from now.

  • What are the most reliable airlines from South Bend to Washington, D.C. Dulles Intl Airport?

    Consider Republic Airways (94%), United Airlines (88%) or Breeze Airways (81%) when booking your flight. These represent the most reliable airlines when flying from South Bend to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from South Bend to Washington, D.C. Dulles Intl Airport?

    Looking for the cheapest flight from South Bend to Washington, D.C. Dulles Intl Airport? While on average our users pay $249, our data indicates the cheapest price to be $108. The most popular route (South Bend/Michiana - Washington, D.C. Dulles Intl), is priced around $127.

  • Can I find deals for flights from South Bend to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on South Bend to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Bend to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Bend to Dulles Intl.

  • Can I find deals for business class flights from South Bend to Dulles Intl?

    Yes. Cheapflights offers flight deals from South Bend to Dulles Intl 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 South Bend to Washington, D.C. Dulles Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from South Bend to Washington, D.C. Dulles Intl Airport (average of $31). Flying from South Bend to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of $99). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Bend to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Baltimore flights
O'Hare Intl to Reagan-National flights
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Midway to Baltimore flights
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Cincinnati to Baltimore flights
Cincinnati to Reagan-National flights
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Indianapolis to Baltimore flights
Midway to Reagan-National flights
Indianapolis to Reagan-National flights
Louisville to Dulles Intl flights
Louisville to Reagan-National flights
Louisville to Baltimore flights
Dayton to Reagan-National flights
Dayton to Dulles Intl flights
South Bend to Baltimore flights
Dayton to Baltimore flights
Fort Wayne to Baltimore flights
South Bend to Reagan-National flights
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Fort Wayne to Reagan-National flights
Kalamazoo to Dulles Intl flights
Evansville to Dulles Intl flights
Kalamazoo to Reagan-National flights
Kalamazoo to Baltimore flights
Evansville to Baltimore flights
Evansville to Reagan-National flights
Owensboro to Reagan-National flights

Top 3 airlines flying from South Bend to Dulles Intl

Discover the top 3 airlines that operate flights from South Bend to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$53Average$85FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$77Average$264FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$228FlexibilityNo cancel feeOn-timeN/A

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