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Cheap flights from South Bend to Seattle from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Bend to Seattle departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from South Bend to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 11:32 amSBN-SEA
8h 32m1 stop
United Airlines Logo
7:00 am - 6:14 pmSEA-SBN
8h 14m1 stop
$279United Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 24
United Airlines Logo
6:00 am - 11:32 amSBN-SEA
8h 32m1 stop
United Airlines Logo
8:40 am - 8:08 pmSEA-SBN
8h 28m2 stops
$284United Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 24
United Airlines Logo
1:19 pm - 9:12 pmSBN-SEA
10h 53m2 stops
United Airlines Logo
5:00 am - 4:06 pmSEA-SBN
8h 06m2 stops
$289United Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 24
United Airlines Logo
6:15 pm - 10:28 pmSBN-SEA
7h 13m1 stop
United Airlines Logo
1:40 pm - 11:24 pmSEA-SBN
6h 44m1 stop
$317United Airlines
Find Deal
Sat, Dec 13 - Wed, Dec 17
United Airlines Logo
7:30 am - 3:29 pmSBN-SEA
10h 59m2 stops
United Airlines Logo
1:40 pm - 11:24 pmSEA-SBN
6h 44m1 stop
$322United Airlines
Find Deal
Sat, Dec 13 - Wed, Dec 17
United Airlines Logo
6:45 pm - 10:29 pmSBN-SEA
6h 44m1 stop
United Airlines Logo
2:15 pm - 11:01 pmSEA-SBN
5h 46m1 stop
$343United Airlines
Find Deal
Fri, May 1 - Wed, May 6
Delta Logo
7:05 am - 10:45 amSBN-SEA
6h 40m1 stop
Delta Logo
12:00 pm - 10:35 pmSEA-SBN
7h 35m1 stop
$373Delta
Find Deal
Thu, Jan 1 - Tue, Jan 6
United Airlines Logo
6:20 am - 1:58 pmSBN-SEA
10h 38m2 stops
United Airlines Logo
8:00 am - 9:01 pmSEA-SBN
10h 01m1 stop
$374United Airlines
Find Deal
Fri, May 1 - Wed, May 6
United Airlines Logo
9:15 am - 6:26 pmSBN-SEA
12h 11m2 stops
United Airlines Logo
11:45 pm - 3:06 pmSEA-SBN
12h 21m2 stops
$379United Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 25
United Airlines Logo
1:24 pm - 6:46 pmSBN-SEA
8h 22m1 stop
United Airlines Logo
8:40 am - 11:30 pmSEA-SBN
11h 50m2 stops
$381United Airlines
Find Deal
Thu, Jan 1 - Tue, Jan 6

United Airlines flights from South Bend to Seattle

Our best United Airlines deals on South Bend to Seattle flight tickets
United Airlines
Jan 15
SBN6:00 amSouth Bend/Michiana
8h 32m
1 stop
SEA11:32 amSeattle/Tacoma Intl
Jan 24
SEA7:00 amSeattle/Tacoma Intl
8h 14m
1 stop
SBN6:14 pmSouth Bend/Michiana
$279
Find similar
United Airlines
Jan 15
SBN6:00 amSouth Bend/Michiana
8h 32m
1 stop
SEA11:32 amSeattle/Tacoma Intl
Jan 24
SEA8:40 amSeattle/Tacoma Intl
8h 28m
2 stops
SBN8:08 pmSouth Bend/Michiana
$284
Find similar
United Airlines
Jan 15
SBN1:19 pmSouth Bend/Michiana
10h 53m
2 stops
SEA9:12 pmSeattle/Tacoma Intl
Jan 24
SEA5:00 amSeattle/Tacoma Intl
8h 06m
2 stops
SBN4:06 pmSouth Bend/Michiana
$289
Find similar

Delta flights from South Bend to Seattle

Our best Delta deals on South Bend to Seattle flight tickets
Delta
Jan 1
SBN7:05 amSouth Bend/Michiana
6h 40m
1 stop
SEA10:45 amSeattle/Tacoma Intl
Jan 6
SEA12:00 pmSeattle/Tacoma Intl
7h 35m
1 stop
SBN10:35 pmSouth Bend/Michiana
$373
Find similar
Delta
Dec 25
SBN7:05 amSouth Bend/Michiana
6h 40m
1 stop
SEA10:45 amSeattle/Tacoma Intl
Jan 6
SEA12:00 pmSeattle/Tacoma Intl
7h 35m
1 stop
SBN10:35 pmSouth Bend/Michiana
$414
Find similar
Delta
Jan 8
SBN2:51 pmSouth Bend/Michiana
9h 58m
1 stop
SEA9:49 pmSeattle/Tacoma Intl
Jan 10
SEA6:05 amSeattle/Tacoma Intl
11h 50m
1 stop
SBN8:55 pmSouth Bend/Michiana
$427
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from South Bend to Seattle 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, momondo users made 832,500 searches. Data last updated November 30, 2025.
Use the filters below to find and compare flights from South Bend to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/15

6:00 am-11:32 am

1 stop8h 32m

Seattle/Tacoma Intl

Sat 1/24

7:00 am-6:14 pm

1 stop8h 14m

$279

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/15

6:00 am-11:32 am

1 stop8h 32m

Seattle/Tacoma Intl

Sat 1/24

8:40 am-8:08 pm

2 stops8h 28m

$284

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/15

1:19 pm-9:12 pm

2 stops10h 53m

Seattle/Tacoma Intl

Sat 1/24

5:00 am-4:06 pm

2 stops8h 06m

$289

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 12/13

6:15 pm-10:28 pm

1 stop7h 13m

Seattle/Tacoma Intl

Wed 12/17

1:40 pm-11:24 pm

1 stop6h 44m

$317

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 12/13

7:30 am-3:29 pm

2 stops10h 59m

Seattle/Tacoma Intl

Wed 12/17

1:40 pm-11:24 pm

1 stop6h 44m

$322

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 5/1

6:45 pm-10:29 pm

1 stop6h 44m

Seattle/Tacoma Intl

Wed 5/6

2:15 pm-11:01 pm

1 stop5h 46m

$343

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/1

7:05 am-10:45 am

1 stop6h 40m

Seattle/Tacoma Intl

Tue 1/6

12:00 pm-10:35 pm

1 stop7h 35m

$373

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 5/1

6:20 am-1:58 pm

2 stops10h 38m

Seattle/Tacoma Intl

Wed 5/6

8:00 am-9:01 pm

1 stop10h 01m

$374

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 1/17

9:15 am-6:26 pm

2 stops12h 11m

Seattle/Tacoma Intl

Sun 1/25

11:45 pm-3:06 pm

2 stops12h 21m

$379

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/1

1:24 pm-6:46 pm

1 stop8h 22m

Seattle/Tacoma Intl

Tue 1/6

8:40 am-11:30 pm

2 stops11h 50m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from South Bend to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from South Bend to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. If you don’t want to visit Seattle in March, then you should wait until September to fly from South Bend, when ticket prices are also cheap, with an average price of $338.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from South Bend is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $367. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from South Bend because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $723.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from South Bend in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $423 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $518. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from South Bend when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from South Bend for as low as $237 on momondo.

How have South Bend to Seattle flight prices changed over time?

As of November 2025, prices for South Bend to Seattle flights are approximately 53% more expensive when compared to flights at the same time last year.

When to book flights from South Bend to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from South Bend to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap South Bend to Seattle (SBN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Bend to Seattle

Fastest flight time

6h 37m

Direct flights

None
The fastest flight from South Bend to Seattle takes 6h 37m
There are no direct flights from South Bend to Seattle. There are no popular flight routes from South Bend to Seattle.
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  • How far is South Bend/Michiana to Seattle/Tacoma Intl by plane?

    There are 1802.0 mi between South Bend/Michiana and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 6h 40m.

  • When did momondo last update prices for flights from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from South Bend to Seattle?

Best airlines flying from South Bend to Seattle

Compare and see reviews for airlines that fly from South Bend to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
9,056 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Lakewood
Federal Way
Fife
Centralia
Kirkland
Westport
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from South Bend to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Bend to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from South Bend to Seattle with flexible booking policies on momondo?

Flights from South Bend to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from South Bend to Seattle?

Once all potential South Bend to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from South Bend to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from South Bend. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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