Is Delta cheaper than other airlines flying to Seattle?

With an average return price of $560, Delta is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is Alaska Airlines.

Which other airlines fly to Seattle?

Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines and Southwest.

How much is a flight to Seattle with Delta?

On average, Delta flights to Seattle cost $428 for one-way and $560 return.

Which airport do Delta flights to Seattle fly into?

You’ll fly into Seattle/Tacoma Airport when flying to Seattle with Delta.

Are there any other airlines in SkyTeam that fly to Seattle?

Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

Delta flights to Seattle (SEA) from $89

Flight Deals

Cheap Delta Flight Deals to Seattle

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip Delta flight deals to Seattle

Tue, May 26 - Tue, Jun 2

5:55 am - 8:17 am

SFO

SEA

2h 22mnonstop

10:00 am - 12:27 pm

SEA

SFO

2h 27mnonstop

$157Delta

Wed, May 6 - Tue, May 12

9:45 am - 12:37 pm

LAX

SEA

2h 52mnonstop

9:20 pm - 11:55 pm

SEA

LAX

2h 35mnonstop

$177Delta

Tue, May 5 - Wed, May 6

4:40 pm - 7:03 pm

SFO

SEA

2h 23mnonstop

11:45 am - 2:02 pm

SEA

SFO

2h 17mnonstop

$177Delta

Sat, May 9 - Thu, May 14

9:05 pm - 11:55 pm

LAX

SEA

2h 50mnonstop

5:35 pm - 8:18 pm

SEA

LAX

2h 43mnonstop

$187Delta

Sat, May 9 - Tue, May 12

1:35 pm - 4:01 pm

SFO

SEA

2h 26mnonstop

10:00 am - 12:29 pm

SEA

SFO

2h 29mnonstop

$187Delta

Sat, May 16 - Mon, May 18

5:40 pm - 8:30 pm

LAX

SEA

2h 50mnonstop

10:15 am - 1:05 pm

SEA

LAX

2h 50mnonstop

$189Delta

Thu, May 7 - Wed, May 13

1:35 pm - 4:01 pm

SFO

SEA

2h 26mnonstop

9:45 pm - 12:05 am

SEA

SFO

2h 20mnonstop

$189Delta

Thu, May 7 - Mon, May 11

7:59 am - 10:55 am

LAX

SEA

2h 56mnonstop

12:40 pm - 3:29 pm

SEA

LAX

2h 49mnonstop

$197Delta

Wed, May 6 - Sun, May 10

8:00 pm - 10:20 pm

SFO

SEA

2h 20mnonstop

10:00 am - 12:29 pm

SEA

SFO

2h 29mnonstop

$197Delta

Thu, May 7 - Mon, May 11

12:10 pm - 3:05 pm

LAX

SEA

2h 55mnonstop

3:00 pm - 5:40 pm

SEA

LAX

2h 40mnonstop

$199Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$89
Average price round-trip	$1,433
Good deal round-trip	$1,218
Good deal one-way	$1,002

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from San Francisco to Seattle

(avg. price over the last 2 weeks)

or less

When to book flights with Delta to Seattle

Average price per month

Flight prices as travel date approaches

Is Delta cheaper than other airlines flying to Seattle?
With an average return price of $560, Delta is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is Alaska Airlines.
Which other airlines fly to Seattle?
Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines and Southwest.
How much is a flight to Seattle with Delta?
On average, Delta flights to Seattle cost $428 for one-way and $560 return.
Which airport do Delta flights to Seattle fly into?
You’ll fly into Seattle/Tacoma Airport when flying to Seattle with Delta.
Are there any other airlines in SkyTeam that fly to Seattle?
Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

The cheapest flight to Seattle with Delta found on KAYAK in the last 2 weeks departed from Palm Springs and cost $119.
If you’re intending to fly with Delta, book your flight to Seattle at least 2 weeks before departure to ensure a below-average price.
High season for flights to Seattle with Delta is July and prices are highest at this time. The cheapest month to fly is January.

7.9

Good8,406 verified ratings

7.8Entertainment

7.9Comfort

7.2Food

8.1Boarding

8.5Crew

6.0 Okay

Anonymous, Apr 2026

Boarding was good. The flight was on time ( arrival was 20 minutes early). Inflight service was average ( US airlines have not mastered the skills of customer service yet). The food was mediocre. “ breakfast “ was downright awful and insulting. It was a piece of dough with mon descript filling that was supposed to be cheese omelette).

10.0 Wonderful

Jignesh, Apr 2026

Always on time and they keep the passengers informed.

4.0 Mediocre

Jeremy, Apr 2026

The tray table was broken and the food was terrible.

10.0 Wonderful

Gireesh, Apr 2026

The gentleman at the gate I think his name is RIE was exceptional

10.0 Wonderful

Teresa, Apr 2026

While they turned off most cabin lights to allow people to sleep, I was bothered by how bright the side lights still were. It was still quite bright for me in a window seat, when I wish I could have slept!

8.0 Very good

Barbie, Apr 2026

One of the flight attendants was a little cranky. I appreciated the free wifi and plug to charge my laptop

8.0 Very good

Shirley, Apr 2026

It was nice and spacious! Everyone is helpful!

4.0 Mediocre

Ray, Apr 2026

No entertainment. Plane was so small had to pink tag a carry on ive used for 20 years easily on board. The fact the flight got in at midnight, had to wait for crew in fort wayne to allow the plane to approach the gate, THEN had to wait for bag on jet bridge made experience irritating at best.

4.0 Mediocre

Ray, Apr 2026

Crew was great. Near on time departure and early arrival. Snacks are always meh. Not a fan of the "pay for everything including miles " proposal unless base flight rate going to be 100 bucks.

8.0 Very good

Jennifer, Apr 2026

Crabby first class attendant

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When to book flights with Delta to Seattle

FAQs for flying to Seattle with Delta

Is Delta cheaper than other airlines flying to Seattle?

With an average return price of $560, Delta is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is Alaska Airlines.

Which other airlines fly to Seattle?

Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines and Southwest.

How much is a flight to Seattle with Delta?

On average, Delta flights to Seattle cost $428 for one-way and $560 return.

Which airport do Delta flights to Seattle fly into?

You’ll fly into Seattle/Tacoma Airport when flying to Seattle with Delta.

Are there any other airlines in SkyTeam that fly to Seattle?

Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

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