What is the cheapest airline that flies from Brownsville South Padre Is. Intl to Seattle/Tacoma Intl?

Alaska Airlines and United Airlines are the most popular carriers operating from Brownsville South Padre Is. Intl to Seattle/Tacoma Intl

What airlines fly to Seattle?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Seattle from Brownsville according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport is 3 as of August 2025.

How old do you have to be to fly from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Brownsville South Padre Is. Intl 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 you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$225 Cheap Flights from Brownsville to Seattle in 2025

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Find the cheapest flights from Brownsville to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

5:15 pm - 10:52 pmBRO-SEA

7h 37m1 stop

11:58 pm - 11:21 amSEA-BRO

9h 23m1 stop

$409United Airlines

Find Deal

Fri, Sep 12 - Mon, Sep 15

9:45 am - 10:15 pmBRO-SEA

14h 30m2 stops

11:58 pm - 11:21 amSEA-BRO

9h 23m1 stop

$434United Airlines

Find Deal

Fri, Sep 12 - Mon, Sep 15

9:45 am - 10:15 pmBRO-SEA

14h 30m2 stops

7:34 pm - 11:21 amSEA-BRO

13h 47m2 stops

$459United Airlines

Find Deal

Fri, Sep 12 - Mon, Sep 15

5:15 pm - 6:49 pmBRO-SEA

27h 34m3 stops

7:34 pm - 11:21 amSEA-BRO

13h 47m2 stops

$508United Airlines

Find Deal

Fri, Sep 12 - Mon, Sep 15

10:41 am - 4:53 pmBRO-SEA

8h 12m1 stop

5:26 am - 2:34 pmSEA-BRO

7h 08m1 stop

$549American Airlines

Find Deal

Fri, Sep 12 - Mon, Sep 15

7:20 am - 4:19 pmBRO-SEA

10h 59m2 stops

5:02 am - 4:03 pmSEA-BRO

9h 01m2 stops

$657United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

10:33 am - 5:31 pmBRO-SEA

8h 58m1 stop

12:33 am - 10:11 amSEA-BRO

7h 38m1 stop

$694Alaska Airlines

Find Deal

Sat, Aug 30 - Fri, Sep 5

7:20 am - 4:19 pmBRO-SEA

10h 59m2 stops

11:58 pm - 11:21 amSEA-BRO

9h 23m1 stop

$723United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

10:33 am - 5:31 pmBRO-SEA

8h 58m1 stop

7:55 am - 6:09 pmSEA-BRO

8h 14m1 stop

$777Alaska Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

8:25 pm - 8:05 pmBRO-SEA

25h 40m2 stops

12:33 am - 10:11 amSEA-BRO

7h 38m1 stop

$993

Find Deal

Fri, Sep 12 - Sun, Sep 14

United Airlines flights from Brownsville to Seattle

Our best United Airlines deals on Brownsville to Seattle flight tickets

United Airlines

Sep 12

BRO5:15 pmBrownsville South Padre Is. Intl

7h 37m

1 stop

SEA10:52 pmSeattle/Tacoma Intl

Sep 15

SEA11:58 pmSeattle/Tacoma Intl

9h 23m

1 stop

BRO11:21 amBrownsville South Padre Is. Intl

$409

Find similar

United Airlines

Sep 12

BRO9:45 amBrownsville South Padre Is. Intl

14h 30m

2 stops

SEA10:15 pmSeattle/Tacoma Intl

Sep 15

SEA11:58 pmSeattle/Tacoma Intl

9h 23m

1 stop

BRO11:21 amBrownsville South Padre Is. Intl

$434

Find similar

United Airlines

Sep 12

BRO9:45 amBrownsville South Padre Is. Intl

14h 30m

2 stops

SEA10:15 pmSeattle/Tacoma Intl

Sep 15

SEA7:34 pmSeattle/Tacoma Intl

13h 47m

2 stops

BRO11:21 amBrownsville South Padre Is. Intl

$459

Find similar

American Airlines flights from Brownsville to Seattle

Our best American Airlines deals on Brownsville to Seattle flight tickets

American Airlines

Sep 12

BRO10:41 amBrownsville South Padre Is. Intl

8h 12m

1 stop

SEA4:53 pmSeattle/Tacoma Intl

Sep 15

SEA5:26 amSeattle/Tacoma Intl

7h 08m

1 stop

BRO2:34 pmBrownsville South Padre Is. Intl

$549

Find similar

American Airlines

Aug 22

BRO5:37 amBrownsville South Padre Is. Intl

7h 14m

1 stop

SEA10:51 amSeattle/Tacoma Intl

Aug 24

SEA1:35 pmSeattle/Tacoma Intl

7h 02m

1 stop

BRO10:37 pmBrownsville South Padre Is. Intl

$729

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

5:15 pm-10:52 pm

1 stop7h 37m

Seattle/Tacoma Intl

Mon 9/15

11:58 pm-11:21 am

1 stop9h 23m

$409

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

9:45 am-10:15 pm

2 stops14h 30m

Seattle/Tacoma Intl

Mon 9/15

11:58 pm-11:21 am

1 stop9h 23m

$434

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

9:45 am-10:15 pm

2 stops14h 30m

Seattle/Tacoma Intl

Mon 9/15

7:34 pm-11:21 am

2 stops13h 47m

$459

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

5:15 pm-6:49 pm

3 stops27h 34m

Seattle/Tacoma Intl

Mon 9/15

7:34 pm-11:21 am

2 stops13h 47m

$508

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

10:41 am-4:53 pm

1 stop8h 12m

Seattle/Tacoma Intl

Mon 9/15

5:26 am-2:34 pm

1 stop7h 08m

$549

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 8/30

7:20 am-4:19 pm

2 stops10h 59m

Seattle/Tacoma Intl

Sat 9/6

5:02 am-4:03 pm

2 stops9h 01m

$657

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 8/30

10:33 am-5:31 pm

1 stop8h 58m

Seattle/Tacoma Intl

Fri 9/5

12:33 am-10:11 am

1 stop7h 38m

$694

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 8/30

7:20 am-4:19 pm

2 stops10h 59m

Seattle/Tacoma Intl

Sat 9/6

11:58 pm-11:21 am

1 stop9h 23m

$723

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 8/30

10:33 am-5:31 pm

1 stop8h 58m

Seattle/Tacoma Intl

Sat 9/6

7:55 am-6:09 pm

1 stop8h 14m

$777

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 9/12

8:25 pm-8:05 pm

2 stops25h 40m

Seattle/Tacoma Intl

Sun 9/14

12:33 am-10:11 am

1 stop7h 38m

$993

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Brownsville 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

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Brownsville to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $301. If you don’t want to visit Seattle in January, then you should wait until August to fly from Brownsville, when ticket prices are also cheap, with an average price of $308.

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

On average, the least expensive day to fly to Seattle from Brownsville is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $451. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Brownsville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $656.

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

Flying to Seattle from Brownsville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $501 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $585. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Brownsville to Seattle flights?

You could potentially save up to 2% on your flight if you consider stops on a Brownsville to Seattle flight.

When to book flights from Brownsville to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Brownsville to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Brownsville to Seattle (BRO to SEA) flight deals and tips

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

Best Price Found	$225
Fastest flight time	7h 37m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Brownsville in the past 72 hours is $225. The best round-trip flight deal from Brownsville to Seattle found on momondo in the last 72 hours is $409.

The fastest flight from Brownsville to Seattle takes 7h 37m

There are no direct flights from Brownsville to Seattle. Popular non-direct route for this connection is Brownsville South Padre Is. Intl Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is Brownsville South Padre Is. Intl to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 2015.9 mi away from Brownsville South Padre Is. Intl. By plane, this route typically takes 7h 37m.
When did momondo last update prices for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport is 3 as of August 2025.
How old do you have to be to fly from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Brownsville South Padre Is. Intl 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 you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Brownsville to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Brownsville to Seattle is American Airlines (62% of total bookings). The next most popular airlines are United Airlines (23%) and Delta (15%).

Best airlines flying from Brownsville to Seattle

Compare and see reviews for airlines that fly from Brownsville to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $249	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $301	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $308	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights

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Kent

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Centralia

Shoreline

Cle Elum

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Brownsville to Seattle for you.

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

Yes. momondo enables you to select and highlight flights to Seattle from Brownsville with this policy.

How can momondo help me find flights from Brownsville to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Brownsville to Seattle.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Brownsville and alert you when they change.