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Dulles Intl

$41+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 56 days in advance, depart on a Friday or Monday and return on a Monday

Cheap 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 junio 12, 2025.

Round-trip from

$78
(Breeze Airways)

One-way from

$41
(Priceline)

Popular in

September

Cheapest in

January

Average price

$245

Good round-trip deal

$278 or less

Good one-way deal

$128 or less
From South Bend/Michiana to Washington, D.C. Dulles Intl
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One-way flight from South Bend/Michiana to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 39% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from South Bend/Michiana to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from South Bend/Michiana to Washington, D.C. Dulles Intl.
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Find 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 junio 12, 2025.

This Breeze Airways deal was found by Cheapflights users on 6/12. 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.
lun. 8/411:07 amSBN - IAD
Nonstop1h 47mBreeze Airways
lun. 8/118:30 amIAD - SBN
Nonstop1h 57mBreeze Airways
Deal found 6/12$78
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/89:55 amSBN - IAD
Nonstop1h 43mUnited Airlines
dom. 8/107:15 pmIAD - SBN
Nonstop1h 51mUnited Airlines
Deal found 6/10$148
This Delta deal was found by Cheapflights users on 6/12. 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.
vie. 7/118:30 amSBN - IAD
1 stop3h 02mDelta
lun. 7/215:23 pmIAD - SBN
1 stop3h 21mDelta
Deal found 6/12$217
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1811:07 amSBN - IAD
Nonstop1h 47mMultiple Airlines
dom. 7/209:25 amIAD - SBN
1 stop9h 32mMultiple Airlines
Deal found 6/10$239
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2611:54 amSBN - IAD
2 stops21h 29mAllegiant Air
jue. 7/319:25 amIAD - SBN
1 stop9h 32mAllegiant Air
Deal found 6/11$241
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/171:47 pmSBN - IAD
1 stop5h 57mAmerican Airlines
vie. 6/208:14 pmIAD - SBN
1 stop4h 25mAmerican Airlines
Deal found 6/10$249

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 junio 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

lun. 8/4

11:07 am-12:54 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

lun. 8/11

8:30 am-10:27 am

Nonstop1h 57m

$78

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

vie. 8/8

9:55 am-11:38 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

dom. 8/10

7:15 pm-9:06 pm

Nonstop1h 51m

$148

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

vie. 7/11

8:30 am-11:32 am

1 stop3h 02m

Washington, D.C. Dulles Intl

lun. 7/21

5:23 pm-8:44 pm

1 stop3h 21m

$217

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

vie. 7/18

11:07 am-12:54 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

dom. 7/20

9:25 am-6:57 pm

1 stop9h 32m

$239

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

jue. 6/26

11:54 am-9:23 am

2 stops21h 29m

Washington, D.C. Dulles Intl

jue. 7/31

9:25 am-6:57 pm

1 stop9h 32m

$241

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

lun. 7/28

7:51 pm-11:58 pm

1 stop4h 07m

Washington, D.C. Dulles Intl

mar. 7/29

8:06 pm-12:27 am

1 stop4h 21m

$343

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

vie. 7/18

11:07 am-12:54 pm

Nonstop1h 47m

$41

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

sáb. 7/19

10:56 am-8:35 am

1 stop21h 39m

$97

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

vie. 6/20

7:54 pm-11:59 pm

1 stop4h 05m

$110

South BendWashington, D.C.

SBN - IAD

SBNIAD

South Bend/Michiana

vie. 6/20

2:16 pm-10:11 pm

2 stops7h 55m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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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 June 9, 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 10 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 $309). Flying from South Bend to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 junio 12, 2025.

One of the essential ways to save on airfare from South Bend to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 60% on airfare.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
Get a feel of what it's like to fly with Breeze Airways, Delta and United Airlines from South Bend to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,950 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Allegiant Air
7.3
Good
725 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
178 reviews

Entertainment

6.6

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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 are 0 flights from South Bend/Michiana to Washington, D.C. Dulles Intl per day from 4 different airlines.

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

    Currently priced at $78, 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 United Airlines and Delta - these airlines can fly you to your destination from $148 and $217, respectively. These flights start at 63% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from South Bend to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Breeze Airways, which is currently one of the cheapest options available, starting at $41. Allegiant Air flights start at $97 while deals on American Airlines start at $110 one-way.

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

    Consider Breeze Airways (100%), Mesa Airlines (100%) or United Airlines (97%) 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 $301, our data indicates the cheapest price to be $31. The most popular route (South Bend/Michiana - Washington, D.C. Dulles Intl), is priced around $80.

  • 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 $309). Flying from South Bend to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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?

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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 4 airlines flying from South Bend to Dulles Intl

Discover the top 4 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$41Average$80FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$77Average$264FlexibilityNo cancel feeOn-time69%
DeltaCheapest$213Average$293FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$353FlexibilityNo cancel feeOn-time71%

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