South Bend

$49+ Cheap flights from Dulles Intl (IAD) to South Bend (SBN)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SBN
Aug 26 — Sep 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to South Bend with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to South Bend

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to South Bend (SBN). 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 August 21, 2025.

Round-trip from

$98
(Breeze Airways)

One-way from

$49
(Breeze Airways)

Popular in

June

Cheapest in

January

Average price

$258

Good round-trip deal

$78 or less

Good one-way deal

$78 or less
From Washington, D.C. Dulles Intl to South Bend/Michiana
One-way flight from Washington, D.C. Dulles Intl to South Bend/Michiana
Highest demand for flights based on searches. 21% potential increase in price ($63 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to South Bend/Michiana.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to South Bend/Michiana.

Find flight deals from Dulles Intl to South Bend

Cheapest flights from Dulles Intl to South Bend
Explore the most affordable flight options available from Dulles Intl to South Bend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Breeze Airways deal was found by Cheapflights users on 8/18. 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.
Mon 9/222:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Mon 9/294:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Deal found 8/18$98
This Breeze Airways deal was found by Cheapflights users on 8/20. 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.
Mon 10/202:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Mon 10/274:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Deal found 8/20$108
This Breeze Airways deal was found by Cheapflights users on 8/19. 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.
Mon 12/222:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Fri 1/24:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Deal found 8/19$143
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/295:55 pmIAD - SBN
Nonstop1h 53mUnited Airlines
Fri 10/39:53 amSBN - IAD
Nonstop1h 49mUnited Airlines
Deal found 8/20$157
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/295:55 pmIAD - SBN
Nonstop1h 53mUnited Airlines
Wed 10/89:53 amSBN - IAD
Nonstop1h 49mUnited Airlines
Deal found 8/20$218
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Fri 10/314:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Deal found 8/20$221
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/295:55 pmIAD - SBN
Nonstop1h 53mUnited Airlines
Sat 10/411:37 amSBN - IAD
1 stop4h 20mUnited Airlines
Deal found 8/20$228
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:00 pmIAD - SBN
1 stop3h 46mDelta
Wed 10/18:25 amSBN - IAD
1 stop3h 03mDelta
Deal found 8/19$229
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 amIAD - SBN
1 stop5h 32mDelta
Tue 9/232:15 pmSBN - IAD
2 stops9h 02mDelta
Deal found 8/20$234
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:50 amIAD - SBN
1 stop3h 41mDelta
Fri 10/37:05 pmSBN - IAD
1 stop4h 01mDelta
Deal found 8/20$237
This KAYAK deal was found by Cheapflights users on 8/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:10 pmIAD - SBN
Nonstop1h 59mBreeze Airways
Fri 10/34:54 pmSBN - IAD
Nonstop1h 37mBreeze Airways
Deal found 8/20$241

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to South Bend 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 August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South Bend that are best for you.

Fly from

Dulles Intl

Fly to

South Bend

Route

Depart

Return

Price

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Mon 9/22

2:10 pm-4:09 pm

Nonstop1h 59m

South Bend/Michiana

Mon 9/29

4:54 pm-6:31 pm

Nonstop1h 37m

$98

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Mon 10/20

2:10 pm-4:09 pm

Nonstop1h 59m

South Bend/Michiana

Mon 10/27

4:54 pm-6:31 pm

Nonstop1h 37m

$108

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Mon 9/29

5:55 pm-7:48 pm

Nonstop1h 53m

South Bend/Michiana

Fri 10/3

9:53 am-11:42 am

Nonstop1h 49m

$157

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Sat 9/27

5:55 pm-7:48 pm

Nonstop1h 53m

South Bend/Michiana

Fri 10/3

9:53 am-11:42 am

Nonstop1h 49m

$218

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Wed 9/24

6:40 pm-8:33 pm

Nonstop1h 53m

South Bend/Michiana

Fri 10/3

9:53 am-11:42 am

Nonstop1h 49m

$218

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Mon 9/29

5:55 pm-7:48 pm

Nonstop1h 53m

South Bend/Michiana

Wed 10/8

9:53 am-11:42 am

Nonstop1h 49m

$218

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Mon 9/29

5:55 pm-7:48 pm

Nonstop1h 53m

South Bend/Michiana

Sat 10/4

9:53 am-11:42 am

Nonstop1h 49m

$218

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Tue 9/23

6:40 pm-8:33 pm

Nonstop1h 53m

South Bend/Michiana

Fri 10/3

9:53 am-11:42 am

Nonstop1h 49m

$218

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Mon 9/29

5:55 pm-7:48 pm

Nonstop1h 53m

South Bend/Michiana

Tue 10/7

9:53 am-11:42 am

Nonstop1h 49m

$218

Washington, D.C.South Bend

IAD - SBN

IADSBN

Washington, D.C. Dulles Intl

Fri 9/5

6:40 pm-8:33 pm

Nonstop1h 53m

South Bend/Michiana

Tue 9/9

7:35 am-11:55 am

1 stop4h 20m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 23 results
1
2
3

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

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Bend (average of $327). Flying from Washington, D.C. Dulles Intl Airport to South Bend in July is currently the most expensive (average of $414). 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 IAD to SBN?

Find hourly flight availability from Dulles Intl to South Bend. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Washington, D.C. Dulles Intl Airport to South Bend, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 74% versus a flight in the afternoon.

Reviews of airlines servicing South Bend

Get insights into the airlines that provide service to South Bend. 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 South Bend. Reviews last updated August 21, 2025.
See what other customers who have flown with Breeze Airways, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to South Bend have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.7

Comfort

8.1

Entertainment

6.6

Boarding

8.2

Food

6.7

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Overall

8.0

Crew

8.7

Comfort

8.1

Entertainment

6.6

Boarding

8.2

Food

6.7

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!
8.0
Very good

Overall

8.0

Crew

8.7

Comfort

8.1

Entertainment

6.6

Boarding

8.2

Food

6.7

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Overall

8.0

Crew

8.7

Comfort

8.1

Entertainment

6.6

Boarding

8.2

Food

6.7

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Related info for your journey

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

    Most people fly into South Bend/Michiana (SBN) if they book a flight to South Bend from Washington, D.C. Dulles Intl. On average, South Bend/Michiana has 1 inbound flight from Washington, D.C. Dulles Intl per day from 3 airlines. South Bend/Michiana is conveniently located just 3.4 mi from South Bend’s city center.

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

    Departing from Washington, D.C. Dulles Intl Airport to South Bend will take you 1h 53m. The distance between Washington, D.C. Dulles Intl Airport and South Bend is about 503 mi. Generally, flights for this route are nonstop.

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

    Flying on Breeze Airways is currently your cheapest option to South Bend, with prices starting at $34. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $98 and $228, respectively. Breeze Airways is 85% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to South Bend on time: Breeze Airways (82%), Republic Airways (73%), United Airlines (63%).

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to South Bend is generally $155, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Washington, D.C. Dulles Intl - South Bend/Michiana), you can expect to pay $98 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Bend (average of $327). Flying from Washington, D.C. Dulles Intl Airport to South Bend in July is currently the most expensive (average of $414). 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 South Bend?

Book flights to South Bend if you plan to visit one of these locations
Elkhart
Mishawaka
Goshen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Dulles Intl to South Bend

Discover the top 3 airlines that operate flights from Dulles Intl to South Bend. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$34Average$83FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$98Average$268FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$453FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.