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Dulles Intl

$59+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Find cheap flights from South Bend to Dulles Intl 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

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Cheapflights Tip: The best prices from South Bend/Michiana to Washington, D.C. Dulles Intl are usually found in March or February, booked 36 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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/274:39 pm
SBN
-
IAD
Nonstop1h 36m
Breeze Airways
Mon 3/301:55 pm
IAD
-
SBN
Nonstop1h 59m
Breeze Airways
Deal found 1/27$136
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/64:39 pm
SBN
-
IAD
Nonstop1h 36m
Breeze Airways
Mon 2/91:55 pm
IAD
-
SBN
Nonstop1h 59m
Breeze Airways
Deal found 1/25$137
This Breeze Airways deal was found by Cheapflights users on 1/26. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:39 pm
SBN
-
IAD
Nonstop1h 36m
Breeze Airways
Fri 3/131:55 pm
IAD
-
SBN
Nonstop1h 59m
Breeze Airways
Deal found 1/26$138
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/294:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Mon 6/81:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$148
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 6/14:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Mon 6/81:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$156
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/224:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 5/291:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$157
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 5/254:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 5/291:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$158
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/294:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 6/51:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$167
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 6/14:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Fri 6/51:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$176
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/224:25 pm
SBN
-
IAD
Nonstop1h 39m
Breeze Airways
Mon 5/251:50 pm
IAD
-
SBN
Nonstop1h 50m
Breeze Airways
Deal found 1/26$177
This Breeze Airways deal was found by Cheapflights users on 1/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/304:39 pm
SBN
-
IAD
Nonstop1h 36m
Breeze Airways
Mon 2/21:55 pm
IAD
-
SBN
Nonstop1h 59m
Breeze Airways
Deal found 1/25$178
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/201:13 pm
SBN
-
IAD
1 stop4h 17m
United Airlines
Mon 2/235:45 pm
IAD
-
SBN
Nonstop1h 59m
United Airlines
Deal found 1/27$183

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Kiwi.com)

One-way from

$59
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$127

Good round-trip deal

$209 or less

Good one-way deal

$258 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. 10% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 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

South Bend

Fly to

Dulles Intl

Route

Depart

Return

Price

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 2/6

4:39 pm-6:15 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 2/9

1:55 pm-3:54 pm

Nonstop1h 59m

$137

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Mon 3/9

4:39 pm-6:15 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Fri 3/13

1:55 pm-3:54 pm

Nonstop1h 59m

$138

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 2/6

4:39 pm-6:15 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Fri 2/13

1:55 pm-3:54 pm

Nonstop1h 59m

$158

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 2/6

7:15 am-1:35 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Mon 2/9

2:15 pm-10:35 pm

1 stop8h 20m

$197

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Thu 3/19

9:55 am-11:42 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Mon 3/23

6:44 pm-8:42 pm

Nonstop1h 58m

$209

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Thu 4/23

11:40 am-5:28 pm

1 stop5h 48m

Washington, D.C. Dulles Intl

Mon 4/27

6:44 pm-8:44 pm

Nonstop2h 00m

$219

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 5/22

7:50 pm-11:57 pm

1 stop4h 07m

Washington, D.C. Dulles Intl

Mon 5/25

7:00 pm-9:01 pm

Nonstop2h 01m

$219

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Sat 3/28

8:15 pm-11:59 pm

1 stop3h 44m

Washington, D.C. Dulles Intl

Sat 4/4

8:20 am-12:31 pm

1 stop4h 11m

$229

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Fri 3/13

9:55 am-11:42 am

Nonstop1h 47m

Washington, D.C. Dulles Intl

Sat 3/21

6:44 pm-8:42 pm

Nonstop1h 58m

$229

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

Sat 5/23

10:00 am-11:52 am

Nonstop1h 52m

Washington, D.C. Dulles Intl

Thu 5/28

6:15 am-11:04 am

1 stop4h 49m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 21 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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?

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 January 23, 2026.

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 36 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 December is currently the most expensive (average of $103). 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 January 27, 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.

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 January 27, 2026.
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
263 reviews

Crew

8.7

Food

6.7

Entertainment

6.6

Overall

8.2

Boarding

8.3

Comfort

8.2

Reviews

1 / 17
2.0
Mediocre

Justine,Jan 2026

RDU - MCO

1/10, I have never experienced the amount of delays, my flight was supposed to board at 8:34pm, we didn’t board until 3:35am from RDU. The staff got rude and very disrespectful when you asked what was going on it was like we didn’t board until something wrong or were pestering them for answers. I was 1 question 1 time, they were not communicating with us at all. So when our plane was now 6+ hrs delayed and nothing was being said to us .. yeah I think we have a right to ask a question. Everything took so long and was such a process; I have never experienced this before and I’m a frequent flyer, breeze makes spirit airlines look like a 100/10 airline.
Breeze Airways
8.2
Very good
263 reviews
Breeze Airways
8.2
Very good
263 reviews

Crew

8.7

Food

6.7

Entertainment

6.6

Overall

8.2

Boarding

8.3

Comfort

8.2

Reviews

1 / 17
2.0
Mediocre

Justine,Jan 2026

RDU - MCO

1/10, I have never experienced the amount of delays, my flight was supposed to board at 8:34pm, we didn’t board until 3:35am from RDU. The staff got rude and very disrespectful when you asked what was going on it was like we didn’t board until something wrong or were pestering them for answers. I was 1 question 1 time, they were not communicating with us at all. So when our plane was now 6+ hrs delayed and nothing was being said to us .. yeah I think we have a right to ask a question. Everything took so long and was such a process; I have never experienced this before and I’m a frequent flyer, breeze makes spirit airlines look like a 100/10 airline.
Delta
7.9
Good
8,124 reviews
Breeze Airways
8.2
Very good
263 reviews

Crew

8.7

Food

6.7

Entertainment

6.6

Overall

8.2

Boarding

8.3

Comfort

8.2

Reviews

1 / 17
2.0
Mediocre

Justine,Jan 2026

RDU - MCO

1/10, I have never experienced the amount of delays, my flight was supposed to board at 8:34pm, we didn’t board until 3:35am from RDU. The staff got rude and very disrespectful when you asked what was going on it was like we didn’t board until something wrong or were pestering them for answers. I was 1 question 1 time, they were not communicating with us at all. So when our plane was now 6+ hrs delayed and nothing was being said to us .. yeah I think we have a right to ask a question. Everything took so long and was such a process; I have never experienced this before and I’m a frequent flyer, breeze makes spirit airlines look like a 100/10 airline.
United Airlines
7.4
Good
9,209 reviews
Breeze Airways
8.2
Very good
263 reviews

Crew

8.7

Food

6.7

Entertainment

6.6

Overall

8.2

Boarding

8.3

Comfort

8.2

Reviews

1 / 17
2.0
Mediocre

Justine,Jan 2026

RDU - MCO

1/10, I have never experienced the amount of delays, my flight was supposed to board at 8:34pm, we didn’t board until 3:35am from RDU. The staff got rude and very disrespectful when you asked what was going on it was like we didn’t board until something wrong or were pestering them for answers. I was 1 question 1 time, they were not communicating with us at all. So when our plane was now 6+ hrs delayed and nothing was being said to us .. yeah I think we have a right to ask a question. Everything took so long and was such a process; I have never experienced this before and I’m a frequent flyer, breeze makes spirit airlines look like a 100/10 airline.

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 36m. Fly via Breeze Airways, Delta, or United Airlines 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 $34, 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 $88, respectively. These flights start at 81% 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 Breeze Airways (89%), United Airlines (66%) or Mesa Airlines (66%) 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 $335, our data indicates the cheapest price to be $59. The most popular route (South Bend/Michiana - Washington, D.C. Dulles Intl), is priced around $138.

  • 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 December is currently the most expensive (average of $103). 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.
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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$34Average$89FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$62Average$229FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$88Average$278FlexibilityNo cancel feeOn-time69%

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