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Dulles Intl

$78+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — IAD
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Find cheap flights from South Bend to Dulles Intl with Cheapflights

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Cheapflights Tip: The best prices from South Bend/Michiana to Washington, D.C. Dulles Intl are usually found in August or October, booked 25 days in advance, depart on a Friday or Thursday 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 July 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/244:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 8/281:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/25$157
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 9/44:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Mon 9/71:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/26$158
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/314:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Mon 9/71:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/25$167
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/314:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 9/41:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/25$177
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 11/65:37 pm
SBN
-
IAD
Nonstop1h 36m
Breeze Airways
Mon 11/93:01 pm
IAD
-
SBN
Nonstop1h 56m
Breeze Airways
Deal found 7/23$197
This Priceline deal was found by Cheapflights users on 7/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Mon 8/171:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/24$204
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 8/308:53 pm
SBN
-
IAD
2 stops14h 27m
Breeze Airways
Mon 9/71:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/25$212
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/244:25 pm
SBN
-
IAD
Nonstop1h 39m
Multiple Airlines
Wed 9/28:39 pm
IAD
-
SBN
2 stops23h 34m
Multiple Airlines
Deal found 7/25$215
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Fri 12/255:37 pm
SBN
-
IAD
Nonstop1h 36m
Breeze Airways
Mon 12/283:01 pm
IAD
-
SBN
Nonstop1h 56m
Breeze Airways
Deal found 7/25$217
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/104:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 8/141:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 7/24$218

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Kiwi.com)

One-way from

$78
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$269

Good round-trip deal

$289 or less

Good one-way deal

$253 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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 28, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Wed 8/19

2:44 pm-4:30 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sat 8/22

12:17 pm-2:03 pm

Nonstop1h 46m

$279

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Thu 8/27

9:10 am-1:55 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Sun 8/30

12:17 pm-2:03 pm

Nonstop1h 46m

$289

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 10/2

5:03 pm-12:41 am

1 stop7h 38m

Washington, D.C. Dulles Intl

Sun 10/4

10:15 am-4:21 pm

1 stop6h 06m

$299

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Tue 8/25

5:10 pm-12:34 am

1 stop7h 24m

Washington, D.C. Dulles Intl

Tue 9/1

5:25 pm-8:50 pm

1 stop3h 25m

$299

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Sun 8/9

9:54 am-11:35 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Mon 8/17

10:35 am-2:28 pm

1 stop3h 53m

$309

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Mon 8/31

2:44 pm-4:30 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sat 9/5

7:00 pm-8:46 pm

Nonstop1h 46m

$359

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Thu 8/13

2:44 pm-4:30 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Tue 8/18

8:20 am-12:30 pm

1 stop4h 10m

$369

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Sat 8/22

3:16 pm-12:34 am

2 stops9h 18m

Washington, D.C. Dulles Intl

Mon 8/24

6:00 am-11:11 am

1 stop5h 11m

$494

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 8/21

3:16 pm-12:34 am

2 stops9h 18m

Washington, D.C. Dulles Intl

Sun 8/23

6:00 am-11:11 am

1 stop5h 11m

$494

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Mon 8/24

2:44 pm-4:30 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Fri 8/28

10:27 pm-2:28 pm

1 stop16h 01m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on South Bend-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 24 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, August is the cheapest month in which you can book a flight from South Bend to Washington, D.C. Dulles Intl Airport (average of $141). Flying from South Bend to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $333). 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 July 28, 2026.

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?

Airfare is typical for this route at the moment.

South Bend to Washington, D.C. Dulles Intl Airport flights typically cost between $108 and $258 in August.
The cheapest round-trip price found within the last 5 days was $157 on Breeze Airways (Aug 24-Aug 28).

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 July 28, 2026.
Read through reviews of airlines operating flights from South Bend to Washington, D.C. Dulles Intl Airport, such as Breeze Airways 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
302 reviews

Entertainment

6.7

Food

6.7

Overall

8.2

Comfort

8.2

Boarding

8.3

Crew

8.8

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.
Breeze Airways
8.2
Very good
302 reviews
Breeze Airways
8.2
Very good
302 reviews

Entertainment

6.7

Food

6.7

Overall

8.2

Comfort

8.2

Boarding

8.3

Crew

8.8

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.
United Airlines
7.4
Good
10,048 reviews
Breeze Airways
8.2
Very good
302 reviews

Entertainment

6.7

Food

6.7

Overall

8.2

Comfort

8.2

Boarding

8.3

Crew

8.8

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

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 2 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 or Delta to get the fastest option. The distance from South Bend to Washington, D.C. Dulles Intl Airport is about 503 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $59, 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. Check Cheapflights for deals on United Airlines for as low as $157. These flights start at 75% 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 United Airlines (89%), Mesa Airlines (89%) or Breeze Airways (82%) 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 $329, our data indicates the cheapest price to be $101. The most popular route (South Bend/Michiana - Washington, D.C. Dulles Intl), is priced around $158.

  • 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, August is the cheapest month in which you can book a flight from South Bend to Washington, D.C. Dulles Intl Airport (average of $141). Flying from South Bend to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $333). 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
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from South Bend to Dulles Intl

Discover the top 2 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$59Average$131FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$297FlexibilityNo cancel feeOn-time69%

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