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Cheap flights from South Bend to Seattle from $135

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 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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American Airlines Logo
12:58 pm - 7:04 pmSBN-SEA
9h 06m1 stop
American Airlines Logo
12:45 pm - 11:48 pmSEA-SBN
8h 03m1 stop
$279American Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 9
United Airlines Logo
11:47 am - 6:26 pmSBN-SEA
9h 39m2 stops
United Airlines Logo
7:00 am - 6:14 pmSEA-SBN
8h 14m1 stop
$284United Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 9
United Airlines Logo
3:41 pm - 10:43 pmSBN-SEA
10h 02m1 stop
United Airlines Logo
7:00 am - 4:06 pmSEA-SBN
6h 06m1 stop
$289United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
6:00 am - 1:57 pmSBN-SEA
10h 57m2 stops
United Airlines Logo
7:00 am - 4:06 pmSEA-SBN
6h 06m1 stop
$294United Airlines
Find Deal
Thu, Jan 29 - Mon, Feb 2
Delta Logo
2:05 pm - 6:58 pmSBN-SEA
7h 53m1 stop
Delta Logo
9:55 am - 9:01 pmSEA-SBN
8h 06m1 stop
$304Delta
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Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
6:00 am - 11:32 amSBN-SEA
8h 32m1 stop
United Airlines Logo
11:59 pm - 11:13 amSEA-SBN
8h 14m1 stop
$308United Airlines
Find Deal
Sun, Feb 8 - Mon, Feb 16
Delta Logo
2:05 pm - 6:58 pmSBN-SEA
7h 53m1 stop
Delta Logo
12:00 pm - 10:34 pmSEA-SBN
7h 34m1 stop
$314Delta
Find Deal
Thu, Feb 26 - Mon, Mar 2
Delta Logo
2:05 pm - 6:58 pmSBN-SEA
7h 53m1 stop
Delta Logo
9:55 am - 9:01 pmSEA-SBN
8h 06m1 stop
$323Delta
Find Deal
Fri, Feb 27 - Tue, Mar 3
Delta Logo
2:05 pm - 10:55 amSBN-SEA
23h 50m2 stops
Delta Logo
12:00 pm - 10:34 pmSEA-SBN
7h 34m1 stop
$333Delta
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Fri, Feb 27 - Tue, Mar 3
Delta Logo
2:05 pm - 6:58 pmSBN-SEA
7h 53m1 stop
Delta Logo
4:55 pm - 11:14 amSEA-SBN
15h 19m2 stops
$362Delta
Find Deal
Thu, Feb 26 - Mon, Mar 2

American Airlines flights from South Bend to Seattle

Our best American Airlines deals on South Bend to Seattle flight tickets
American Airlines
Feb 7
SBN12:58 pmSouth Bend/Michiana
9h 06m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
Feb 9
SEA12:45 pmSeattle/Tacoma Intl
8h 03m
1 stop
SBN11:48 pmSouth Bend/Michiana
$279
Find similar
American Airlines
Nov 24
SBN12:20 pmSouth Bend/Michiana
9h 55m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Nov 27
SEA12:59 amSeattle/Tacoma Intl
7h 51m
1 stop
SBN11:50 amSouth Bend/Michiana
$439
Find similar
American Airlines
Dec 14
SBN6:00 amSouth Bend/Michiana
9h 47m
1 stop
SEA12:47 pmSeattle/Tacoma Intl
Dec 20
SEA12:59 amSeattle/Tacoma Intl
7h 58m
1 stop
SBN11:57 amSouth Bend/Michiana
$456
Find similar

United Airlines flights from South Bend to Seattle

Our best United Airlines deals on South Bend to Seattle flight tickets
United Airlines
Feb 7
SBN11:47 amSouth Bend/Michiana
9h 39m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
Feb 9
SEA7:00 amSeattle/Tacoma Intl
8h 14m
1 stop
SBN6:14 pmSouth Bend/Michiana
$284
Find similar
United Airlines
Jan 29
SBN3:41 pmSouth Bend/Michiana
10h 02m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
Feb 2
SEA7:00 amSeattle/Tacoma Intl
6h 06m
1 stop
SBN4:06 pmSouth Bend/Michiana
$289
Find similar
United Airlines
Jan 29
SBN6:00 amSouth Bend/Michiana
10h 57m
2 stops
SEA1:57 pmSeattle/Tacoma Intl
Feb 2
SEA7:00 amSeattle/Tacoma Intl
6h 06m
1 stop
SBN4:06 pmSouth Bend/Michiana
$294
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 13, 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

Sat 2/7

12:58 pm-7:04 pm

1 stop9h 06m

Seattle/Tacoma Intl

Mon 2/9

12:45 pm-11:48 pm

1 stop8h 03m

$279

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 2/7

11:47 am-6:26 pm

2 stops9h 39m

Seattle/Tacoma Intl

Mon 2/9

7:00 am-6:14 pm

1 stop8h 14m

$284

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/29

3:41 pm-10:43 pm

1 stop10h 02m

Seattle/Tacoma Intl

Mon 2/2

7:00 am-4:06 pm

1 stop6h 06m

$289

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 1/29

6:00 am-1:57 pm

2 stops10h 57m

Seattle/Tacoma Intl

Mon 2/2

7:00 am-4:06 pm

1 stop6h 06m

$294

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 2/27

2:05 pm-6:58 pm

1 stop7h 53m

Seattle/Tacoma Intl

Tue 3/3

9:55 am-9:01 pm

1 stop8h 06m

$304

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sun 2/8

6:00 am-11:32 am

1 stop8h 32m

Seattle/Tacoma Intl

Mon 2/16

11:59 pm-11:13 am

1 stop8h 14m

$308

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 2/26

2:05 pm-6:58 pm

1 stop7h 53m

Seattle/Tacoma Intl

Mon 3/2

12:00 pm-10:34 pm

1 stop7h 34m

$314

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 2/27

2:05 pm-6:58 pm

1 stop7h 53m

Seattle/Tacoma Intl

Tue 3/3

9:55 am-9:01 pm

1 stop8h 06m

$323

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 2/27

2:05 pm-10:55 am

2 stops23h 50m

Seattle/Tacoma Intl

Tue 3/3

12:00 pm-10:34 pm

1 stop7h 34m

$333

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 2/26

2:05 pm-6:58 pm

1 stop7h 53m

Seattle/Tacoma Intl

Mon 3/2

4:55 pm-11:14 am

2 stops15h 19m

$362

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Direct flights

None
There are no direct flights from South Bend to Seattle. There are no popular flight routes from South Bend to Seattle.
Search flight deals

  • 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 45m.

  • 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
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,017 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
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
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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