Is Delta cheaper than other airlines flying to Seattle?

With an average return price of $564, Delta is cheaper than United Airlines when it comes to flights to Seattle. However, the cheapest airline flying to Seattle is Alaska Airlines, with an average return price of $548.

Which other airlines fly to Seattle?

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

How much is a flight to Seattle with Delta?

On average, Delta flights to Seattle cost $353 for one-way and $564 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 $79

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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

Thu, Dec 3 - Sun, Dec 6

12:14 pm - 3:11 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

2h 57mnonstop

3:21 pm - 5:59 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 38mnonstop

$147Delta

Thu, Dec 10 - Sun, Dec 13

5:29 pm - 8:19 pmLAX Los Angeles-SEA Seattle/Tacoma Intl

2h 50mnonstop

5:37 pm - 8:20 pmSEA Seattle/Tacoma Intl-LAX Los Angeles

2h 43mnonstop

$148Delta

Sun, Dec 13 - Fri, Dec 18

5:56 pm - 8:24 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 28mnonstop

5:56 pm - 8:18 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 22mnonstop

$153Delta

Sun, Dec 6 - Sun, Dec 6

7:20 am - 10:38 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 18mnonstop

3:00 pm - 5:50 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 50mnonstop

$157Delta

Sat, Dec 5 - Mon, Jan 4

11:06 am - 2:21 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 15mnonstop

11:45 am - 2:38 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 53mnonstop

$158Delta

Sun, Dec 13 - Wed, Dec 30

6:00 am - 8:18 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 18mnonstop

7:15 am - 9:46 amSEA Seattle/Tacoma Intl-SFO San Francisco

2h 31mnonstop

$158Delta

Tue, Jan 19 - Sat, Jan 30

7:30 am - 10:45 amSAN San Diego-SEA Seattle/Tacoma Intl

3h 15mnonstop

9:59 am - 12:53 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 54mnonstop

$159Delta

Thu, Dec 10 - Sat, Dec 12

10:41 am - 1:00 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 19mnonstop

11:00 am - 1:24 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 24mnonstop

$159Delta

Sat, Dec 12 - Sat, Jan 2

3:52 pm - 7:05 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 13mnonstop

6:00 pm - 8:56 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 56mnonstop

$162Delta

Tue, Dec 1 - Fri, Dec 4

11:06 am - 2:21 pmSAN San Diego-SEA Seattle/Tacoma Intl

3h 15mnonstop

7:59 pm - 10:52 pmSEA Seattle/Tacoma Intl-SAN San Diego

2h 53mnonstop

$163Delta

Recent last minute Delta flight deals to Seattle

Wed, Nov 18 - Sat, Dec 12

6:00 am - 8:10 amPHX Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl

3h 10mnonstop

11:50 am - 3:45 pmSEA Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl

2h 55mnonstop

$337Delta

Wed, Nov 18 - Sat, Dec 5

6:00 am - 8:10 amPHX Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl

3h 10mnonstop

11:50 am - 3:45 pmSEA Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl

2h 55mnonstop

$367Delta

Thu, Nov 19 - Wed, Dec 16

6:17 am - 8:35 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 18mnonstop

7:15 am - 9:46 amSEA Seattle/Tacoma Intl-SFO San Francisco

2h 31mnonstop

$370Delta

Tue, Nov 17 - Wed, Dec 2

5:53 pm - 8:13 pmSFO San Francisco-SEA Seattle/Tacoma Intl

2h 20mnonstop

5:56 pm - 8:18 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 22mnonstop

$391Delta

Wed, Nov 18 - Tue, Dec 15

5:55 pm - 8:38 pmORD Chicago O'Hare Intl-SEA Seattle/Tacoma Intl

4h 43mnonstop

10:39 am - 4:50 pmSEA Seattle/Tacoma Intl-ORD Chicago O'Hare Intl

4h 11mnonstop

$392Delta

Tue, Nov 17 - Fri, Jan 15

6:36 pm - 8:44 pmPHX Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl

3h 08mnonstop

6:24 pm - 10:16 pmSEA Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl

2h 52mnonstop

$402Delta

Thu, Nov 19 - Sat, Dec 19

6:00 am - 8:10 amPHX Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl

3h 10mnonstop

7:58 pm - 11:58 pmSEA Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl

3h 00mnonstop

$405Delta

Tue, Nov 17 - Tue, Dec 1

6:17 am - 8:35 amSFO San Francisco-SEA Seattle/Tacoma Intl

2h 18mnonstop

7:15 am - 9:46 amSEA Seattle/Tacoma Intl-SFO San Francisco

2h 31mnonstop

$460Delta

Tue, Nov 17 - Wed, Dec 2

7:05 am - 10:04 pmSFO San Francisco-SEA Seattle/Tacoma Intl

14h 59m1 stop Los Angeles

2:57 pm - 5:16 pmSEA Seattle/Tacoma Intl-SFO San Francisco

2h 19mnonstop

$461Delta

Wed, Nov 18 - Sat, Nov 28

6:00 am - 8:10 amPHX Phoenix Sky Harbor Intl-SEA Seattle/Tacoma Intl

3h 10mnonstop

11:47 am - 3:43 pmSEA Seattle/Tacoma Intl-PHX Phoenix Sky Harbor Intl

2h 56mnonstop

$472Delta

Useful Info

KAYAK's insights & trends for Seattle flights with Delta

Get data-powered insights and trends into Delta flights to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly with Delta to Seattle?

The cheapest month for Delta flights to Seattle is February, where tickets cost $255 (return) on average. On the other hand, the most expensive months to fly this route on Delta are July and June, where the average cost of round-trip tickets is $408 and $390 respectively.

How far in advance should I book Delta flights to Seattle?

For the absolute cheapest price on Delta, our data suggests you should book 4 weeks before departure.

What is the cheapest flight to Seattle with Delta?

The cheapest airline ticket to Seattle from the United States with Delta in the last 5 days was $79 one-way, and $157 round-trip on the route from San Diego to Seattle. The most popular route is from Denver to Seattle and the cheapest ticket found on this route in the last 5 days was $177 return.

How many direct flights does Delta operate to Seattle every week?

Each week there are around 1,299 direct flights from within the United States to Seattle. The most common day for departures is Sunday, with 23% of flights taking off on this day.

What is the cheapest day to fly to Seattle?

Based on KAYAK data, the cheapest day to fly to Seattle is Thursday where tickets can be as cheap as $511. On the other hand, the most expensive day to fly is Sunday, where prices are $607 on average.

What is the cheapest time of day to fly to Seattle with Delta?

The cheapest time of day to fly to Seattle with Delta is generally in the afternoon, when flights cost $482 on average.

Low season	January
High season	June
Cheapest flight	$79
Average price round-trip	$1,971
Good deal round-trip	$1,675
Good deal one-way	$1,476

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 18% increase in price.

Flight from San Diego 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 $564, Delta is cheaper than United Airlines when it comes to flights to Seattle. However, the cheapest airline flying to Seattle is Alaska Airlines, with an average return price of $548.
Which other airlines fly to Seattle?
Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines, Southwest and United Airlines.
How much is a flight to Seattle with Delta?
On average, Delta flights to Seattle cost $353 for one-way and $564 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 Lewiston and cost $173.
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 June and prices are highest at this time. The cheapest month to fly is January.

7.8

Good8,719 verified ratings

7.8Entertainment

8.5Crew

7.8Comfort

8.1Boarding

7.2Food

10.0 Wonderful

Jeffrey, Nov 2026

On time, smooth flight, friendly staff.

10.0 Wonderful

Lendell, Nov 2026

The on time boarding. Flights arrived a little early

10.0 Wonderful

Lendell, Nov 2026

Everything went well, flights were on time and the free TV/Movies was cool.

2.0 Poor

Christian, Nov 2026

The app could have worked in any way to enable re booking, which I did by downloading 2 other apps and ignoring Kayak.

10.0 Wonderful

Denis, Nov 2026

I always enjoy the treatment I get from every crew member on every flight. They take special care of each passenger to make sure they are comfortable and have everything they need for a good flight. I prefer this carrier over others because of this special treatment.

2.0 Poor

Rens Johan, Nov 2026

flight was hot, it was delayed and there was no wifi.

2.0 Poor

James, Nov 2026

being late for poor reasons, bad chairs, being regulated to a terrible gate in LAX

10.0 Wonderful

Vinod, Nov 2026

Excellent

10.0 Wonderful

Avery, Nov 2026

Great flight crew!!!

4.0 Mediocre

David, Nov 2026

As an Elevance employee, don't we get priority boarding? Also, I boarded zone 5 and could not get normal carry on in luggage space. There were many Delta employees on the flight and their bags, which were large and could only fit two bags per compartment, got preference over customers so I had to check my bag.

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Cheap Delta Flight Deals to Seattle

Recent round-trip Delta flight deals to Seattle

Recent one-way Delta flight deals to Seattle

Recent last minute Delta flight deals to Seattle

Recent direct Delta flight deals to Seattle

KAYAK's insights & trends for Seattle flights with Delta

What is the cheapest month to fly with Delta to Seattle?

How far in advance should I book Delta flights to Seattle?

What is the cheapest flight to Seattle with Delta?

How many direct flights does Delta operate to Seattle every week?

What is the cheapest day to fly to Seattle?

What is the cheapest time of day to fly to Seattle with Delta?

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