Is Delta cheaper than other airlines flying to Seattle?

With an average return price of $465, 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 $465 for a round-trip.

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 $56

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

Fri, Apr 24 - Sun, Apr 26

8:55 pm - 11:51 pm

LAX

SEA

2h 56mnonstop

7:35 am - 10:25 am

SEA

LAX

2h 50mnonstop

$97Delta

Sat, Apr 25 - Sat, Apr 25

7:00 am - 9:53 am

LAX

SEA

2h 53mnonstop

5:59 pm - 8:41 pm

SEA

LAX

2h 42mnonstop

$111Delta

Fri, May 1 - Mon, May 4

5:32 pm - 8:25 pm

LAX

SEA

2h 53mnonstop

1:45 pm - 4:28 pm

SEA

LAX

2h 43mnonstop

$117Delta

Tue, Apr 14 - Sat, Apr 18

2:20 pm - 5:24 pm

ONT

SEA

3h 04mnonstop

8:25 am - 11:13 am

SEA

ONT

2h 48mnonstop

$117Delta

Thu, Apr 23 - Mon, Apr 27

5:32 pm - 8:25 pm

LAX

SEA

2h 53mnonstop

7:35 am - 10:25 am

SEA

LAX

2h 50mnonstop

$118Delta

Fri, Mar 20 - Tue, Mar 24

5:09 pm - 12:03 am

ONT

SEA

6h 54m

1 stop

4:55 pm - 11:51 pm

SEA

ONT

6h 56m

1 stop

$118Delta

Wed, Mar 18 - Tue, Mar 24

1:20 pm - 6:30 pm

ONT

SEA

5h 10m

1 stop

5:30 am - 12:23 pm

SEA

ONT

6h 53m

1 stop

$119Delta

Tue, Apr 21 - Fri, Apr 24

7:00 am - 10:07 am

ONT

SEA

3h 07mnonstop

2:30 pm - 5:15 pm

SEA

ONT

2h 45mnonstop

$122Delta

Wed, Mar 25 - Wed, Apr 1

6:00 am - 8:16 am

SFO

SEA

2h 16mnonstop

9:45 pm - 11:57 pm

SEA

SFO

2h 12mnonstop

$126Delta

Tue, Apr 14 - Mon, Apr 20

2:20 pm - 5:24 pm

ONT

SEA

3h 04mnonstop

11:10 am - 4:25 pm

SEA

ONT

5h 15m

1 stop

$127Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$56
Average price round-trip	$1,363
Good deal round-trip	$1,158
Good deal one-way	$1,109

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from Los Angeles 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 $465, 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 $465 for a round-trip.
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 Hailey and cost $150.
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

Good8,244 verified ratings

8.5Crew

7.2Food

8.1Boarding

7.9Comfort

7.8Entertainment

8.0 Very good

Sheila, Mar 2026

I was happy that I was able to get a last minute flight but unfortunately my seat was a middle seat. Even with Delta Comfort I wasn't comfortable

10.0 Wonderful

Grace, Feb 2026

There’s not much to say about a one hour flight. This is a connection from LA to RNO that I missed the previous night due to a mechanical check delay on my originating flight from JFK to LAX. The short flight itself was fine. Instructions from the pilot and crew were per usual. The coffee was barely lukewarm, which possibly was purposeful so we would down it quickly. Bags were already on carousel upon reaching baggage claim, which was excellent.

6.0 Okay

Zachary, Feb 2026

Flight was warm for first few hours and quite rough

8.0 Very good

Sharon, Feb 2026

Seat was extremely hard which made even a short 1 hour 20 minute flight fairly uncomfortable.

6.0 Okay

Anonymous, Feb 2026

Improve boarding- the zone assignment and boarding is always a mess- there is not clear instructions of what is going on at the gate. As a meme bet there is no more selection of a good seats when booking. Only offers middle seats to choose or pay extra. There is not more benefit with Amex no benefits at all.

10.0 Wonderful

Lisa, Feb 2026

Great. Thank you for the upgrade

10.0 Wonderful

omar, Feb 2026

alike schedule and times it’s very good for me, I will stay wad delta for ever

6.0 Okay

Anonymous, Feb 2026

Everything was good except wifi and a leaking drink chiller. The floor was all wet and my bag was soaked. Did not notice until debarking. Have not heard back from Delta. Even though this was leg one of an international flight in first class, they denied access to their Sky Club - very disappointing!

4.0 Mediocre

Nicole, Feb 2026

The staff was fine. The plane was extremely tight, and I paid for the wifi and it did not work at all. I was actually going to ask for a refund.

2.0 Poor

Anonymous, Feb 2026

two hour delay and the Delta representative on the PA system was unable to understand

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Cheap Delta Flight Deals to Seattle

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Good to know

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 $465, 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 $465 for a round-trip.

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.

Top tips for your flights to Seattle with Delta

Delta customer reviews

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Everything you need to know for your flight to Seattle

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