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$81 Cheap Flights from Washington (IAD) to South Bend (SBN)

View $81 flight on Fri, Sep 25, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to South Bend Intl. Airport (SBN)

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Cheap Flights from Washington to South Bend (IAD-SBN)

Prices were available within the past 7 days and start at $81 for one-way flights and $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Sep 25 - Mon, Sep 28
IAD
Washington
SBN
South Bend
$162 Roundtrip, just found
$162
Roundtrip
just found
Select Breeze Airways flight, departing Fri, Sep 25 from Washington to South Bend, returning Mon, Sep 28, priced at $162 just found
Breeze Airways
Fri, Aug 21 - Mon, Aug 24
IAD
Washington
SBN
South Bend
$165 Roundtrip, found 4 hours ago
$165
Roundtrip
found 4 hours ago
Select Breeze Airways flight, departing Fri, Aug 21 from Washington to South Bend, returning Mon, Aug 24, priced at $165 found 4 hours ago
Breeze Airways
Fri, Sep 25 - Mon, Sep 28
IAD
Washington
SBN
South Bend
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Breeze Airways flight, departing Fri, Sep 25 from Washington to South Bend, returning Mon, Sep 28, priced at $167 just found
Breeze Airways
Fri, Aug 21 - Mon, Aug 24
IAD
Washington
SBN
South Bend
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Breeze Airways flight, departing Fri, Aug 21 from Washington to South Bend, returning Mon, Aug 24, priced at $168 just found
Breeze Airways
Fri, Aug 21 - Fri, Aug 28
IAD
Washington
SBN
South Bend
$170 Roundtrip, found 11 hours ago
$170
Roundtrip
found 11 hours ago
Select Breeze Airways flight, departing Fri, Aug 21 from Washington to South Bend, returning Fri, Aug 28, priced at $170 found 11 hours ago
Breeze Airways
Fri, Sep 25 - Mon, Sep 28
IAD
Washington
SBN
South Bend
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Breeze Airways flight, departing Fri, Sep 25 from Washington to South Bend, returning Mon, Sep 28, priced at $172 just found
Breeze Airways
Fri, Aug 21 - Fri, Aug 28
IAD
Washington
SBN
South Bend
$175 Roundtrip, found 11 hours ago
$175
Roundtrip
found 11 hours ago
Select Breeze Airways flight, departing Fri, Aug 21 from Washington to South Bend, returning Fri, Aug 28, priced at $175 found 11 hours ago
United
Wed, Sep 9 - Sat, Sep 12
IAD
Washington
SBN
South Bend
$279 Roundtrip, found 1 hour ago
$279
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 9 from Washington to South Bend, returning Sat, Sep 12, priced at $279 found 1 hour ago
American Airlines
Wed, Sep 9 - Sat, Sep 12
IAD
Washington
SBN
South Bend
$299 Roundtrip, found 1 hour ago
$299
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Sep 9 from Washington to South Bend, returning Sat, Sep 12, priced at $299 found 1 hour ago
Delta
Wed, Sep 9 - Sat, Sep 12
IAD
Washington
SBN
South Bend
$299 Roundtrip, found 1 hour ago
$299
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Sep 9 from Washington to South Bend, returning Sat, Sep 12, priced at $299 found 1 hour ago

Alternative airports near South Bend

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to South Bend Intl. SBN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $313
SBN
South Bend Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $313

Find the cheapest month to fly from Washington (IAD) to South Bend (SBN)

April is typically the cheapest month to fly

From $101 - $447 per traveler.

What you need to know for your flight from Washington Dulles Intl. to South Bend Intl.

Washington (IAD) to South Bend (SBN) at a glance

Travel from Washington Dulles International Airport (IAD) to South Bend International Airport (SBN) on this convenient domestic short-haul route. Choose from a range of airlines, whether you prefer full-service options or budget-friendly carriers, to find the itinerary that works best for your budget and schedule. As you prepare to explore the charming sights and neighborhoods of South Bend, check out essential details for flights from D.C. to South Bend, including approximate flight times.

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 500 miles (800 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $35–$355, depending on seasonality and how far ahead you book

Flights from Washington Dulles International Airport (IAD) to South Bend International Airport (SBN)

According to the latest traveler bookings, here are the top airlines frequently chosen for flights from Washington to South Bend, featuring both non-stop and one-stop services. Many travelers opt for connecting flights with popular layover points at O'Hare International Airport (ORD) for about an hour, Charlotte-Douglas International Airport (CLT) for roughly one hour, and Hartsfield-Jackson Atlanta International Airport (ATL) with an approximate layover of one hour and thirty minutes. This variety allows you to explore options that best suit your preferences in terms of price, total travel time, and cabin class.

  • United: This major airline provides both non-stop and one-stop flights, capturing about 64% of departures on this route. One-way ticket prices generally fall between $45 and $470, with direct flights taking around 2 hours.
  • Breeze: A budget-friendly carrier specializing in non-stop routes, Breeze accounts for roughly 28% of departures. Fares typically range from $35 to $175, and the total travel time for a journey is approximately 2 hours.
  • Delta: Offering one-stop service, Delta represents about 4% of departures on this route. One-way fares vary from $110 to $555, with an in-flight duration of 3 hours and 15 minutes, leading to a total journey time of about 4 hours and 15 minutes, including layovers.
  • American Airlines: Also a full-service airline, American Airlines provides one-stop service for around 3% of departures on this route. Ticket prices range from $130 to $870, with a flight time of 3 hours and 15 minutes, resulting in a total travel duration of approximately 4 hours and 15 minutes, including layover time.

Travelers flying from Washington to South Bend have the option to upgrade their flight, with United providing first-class service on this route.

Best time to fly from Washington (IAD) to South Bend (SBN)

The most popular months for travelers flying from Washington to South Bend are February, March, and April, when peak temperatures in South Bend reach up to 47.8°F in April. If you prefer quieter travel, consider December, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 32.4°F. For better deals, January usually offers the lowest average one-way fare around $119. Flight availability peaks in November, with approximately 12 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 8 flights per week.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $119, roughly 23% cheaper than the yearly average.
  • More budget-friendly months to fly: February and March typically offer average one-way fares of around $124.
  • Most flight options: November has the highest number of flights from Washington to South Bend, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.2°F (-3.8°C)Average8$119
February26.8°F (-2.9°C)High9$122
March37.9°F (3.3°C)High10$126
April47.8°F (8.8°C)High9$140
May59.9°F (15.5°C)Average11$131
June68.9°F (20.5°C)Average11$150
July72.3°F (22.4°C)Average11$154
August70.9°F (21.6°C)Average11$135
September64.9°F (18.3°C)Low10$225
October53.2°F (11.8°C)Average10$187
November41.0°F (5.0°C)Low12$197
December32.4°F (0.2°C)Low9$169

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Washington (IAD) to South Bend (SBN)

  • Washington to South Bend (DCA-SBN): Ronald Reagan Washington National Airport (DCA) is located roughly 23 miles from Washington Dulles International Airport (IAD). On this route, one-way economy tickets generally fall between $100 and $470, influenced by the time of year and how far in advance you book. Travelers can choose from both non-stop and one-stop flights, with common layover spots including O'Hare International Airport (ORD) and Detroit Metropolitan Wayne County Airport (DTW). Major airlines operating on this route include United and Delta, and first-class service is also an option.

How to find the best prices for flights from Washington (IAD) to South Bend (SBN)

Getting some of the best deals on flights from Washington to South Bend is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures (5am-12pm) usually offer lower prices, while afternoon flights (12pm-6pm) are more popular. Additionally, flying on Friday not only provides cheaper prices but is also the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find South Bend hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at South Bend International Airport from Washington Dulles International Airport

South Bend welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach South Bend efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in South Bend, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from South Bend International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at South Bend International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From South Bend International Airport, South Bend Station, a train station, is located about 2.6 miles away by car, providing convenient access for travelers needing rail connections.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) cost?
You can find cheap one-way flights from $81 and cheap return flights from $162 Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) with Expedia. One-way flights generally range between $104 and $701, and roundtrip flights usually range from $282 to $1023. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
March is the cheapest month to fly from Washington, DC (IAD) to South Bend (SBN), with average round-trip fares around $220. This is about 30% lower than the average price throughout the year, as travel demand is generally lower in early spring. Other economical months to consider are February and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
United offers around 8 weekly direct flights from IAD to SBN.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The best airline to fly with from Washington, DC (IAD) to South Bend, IN (SBN) will differ from traveler to traveler. If you like to fly early, MX offers early morning flights. If price is the most important factor, MX typically offers the lowest fares. United offers the most daily flights from Washington, DC to South Bend, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The best times to fly from Washington, DC (IAD) to South Bend, IN (SBN) are March and April. These months are the cheapest, with return flights averaging around $220. March is particularly appealing as it marks the beginning of spring, bringing milder weather and a refreshing change after winter.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
There are approximately 1 nonstop flights per day from Washington Dulles Intl. (IAD) to South Bend Intl. (SBN). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The earliest flight from Washington, DC (Washington Dulles International Airport) to South Bend, IN (South Bend International Airport) usually departs at around 5:00 AM local time, operated by American Airlines. This service is seasonal, so be sure to check for availability during the active months. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
The most popular departure times for flights from Washington Dulles International Airport (IAD) to South Bend International Airport (SBN) are in the late afternoon, from 3pm to 6pm. About 31% of passengers prefer this time window. Many major carriers, including Delta, United, and United Airlines, offer flights during this window. This timing works well because it allows you to travel after a productive day, making it convenient for both business and leisure travelers.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
Direct flights from IAD to SBN usually take about 2 hours, traveling roughly 504 miles. If you opt for a connecting flight, expect to add around 4 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
You can fly first class between IAD and SBN. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for South Bend from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly into South Bend Intl. (SBN) to reach South Bend. Some flights may connect through major hubs like Logan Intl. (BOS), Detroit Metropolitan Wayne County (DTW), Liberty Intl. (EWR) before reaching South Bend. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) South Bend Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to South Bend, IN (SBN-South Bend Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
South Bend Intl.
Airlines serving
American Airlines, Breeze Airways, Delta, United
Roundtrip price
$162
Distance
503 mi
Average flight time
1 hour 49 mins

Book with confidence

Washington to South Bend Flights

The cheapest times to fly from Washington to South Bend

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to South Bend are during the month of September. You can find some of the cheapest flights from Washington to South Bend with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to South Bend

Sunday is one of the best days to book for cheap flights from Washington to South Bend: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to South Bend

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to South Bend in 2026. You can also book with separate airlines for your outbound and return journeys, from $81 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to South Bend flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to South Bend airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to South Bend Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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