Direct flight tickets from Dulles to Seattle

All flight schedules from Washington Dulles International , Virginia , USA to Seattle Tacoma International , Washington , USA. This route is operated by 3 airlines and the flight time is 6 hours and 04 minutes. The distance is 2313 miles.

IAD Washington Dulles International
USA
Dulles , VA , USA
SEA Seattle Tacoma International
USA
Seattle , WA , USA
CHANGE DIRECTION
Flight time
6h 04m
Flight distance
2313mi, 3722km
Flights from Dulles to Seattle route map
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USA
USA
Dulles , VA
aircraft image
USA
USA
Seattle , WA
Distance
2313 miles · (3722 km)
Flight time
6 hours and 04 minutes

Airlines that fly direct from Dulles (IAD) to Seattle (SEA)

  • Alaska Airlines
    Oneworld
    S
    M
    T
    W
    T
    F
    S
    Business available
    2-3 daily flights
  • United Airlines
    Star Alliance
    S
    M
    T
    W
    T
    F
    S
    First class available
    1-2 daily flights
  • Delta Air Lines
    Sky Team
    S
    M
    T
    W
    T
    F
    S
    First class available
    1 daily flight
SELECT DATES & SHOW PRICES
IAD SEA
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MONTHLY
AS
WEEKLY
UA
WEEKLY
DL
WEEKLY

Dulles (IAD) to Seattle (SEA) flight schedule

The monthly calendar shows every direct flight departure from Washington Dulles International (IAD) with all airlines. Click on a date to see a list of flights or search for the best prices.

Alaska Airlines
Delta
United

View return flights from SEA to IAD

Alaska Airlines flight schedule from Dulles to Seattle

All weekly departures with Alaska Airlines. The week calendar shows every flight departure from Dulles (IAD) to Seattle (SEA). Click on a blue date to see a list of flights.

Week 42 (Oct 13 - Oct 19)
  • Week 40 (Sep 29 - Oct 5)
  • Week 41 (Oct 6 - Oct 12)
  • Week 42 (Oct 13 - Oct 19)
  • Week 43 (Oct 20 - Oct 26)
  • Week 44 (Oct 27 - Nov 2)
  • Week 45 (Nov 3 - Nov 9)
  • Week 46 (Nov 10 - Nov 16)
  • Week 47 (Nov 17 - Nov 23)
  • Week 48 (Nov 24 - Nov 30)
  • Week 49 (Dec 1 - Dec 7)
  • Week 50 (Dec 8 - Dec 14)
  • Week 51 (Dec 15 - Dec 21)
  • Week 52 (Dec 22 - Dec 28)
  • Week 1 (Dec 29 - Jan 4)
  • Week 2 (Jan 5 - Jan 11)
  • Week 3 (Jan 12 - Jan 18)
  • Week 4 (Jan 19 - Jan 25)
  • Week 5 (Jan 26 - Feb 1)
  • Week 6 (Feb 2 - Feb 8)
  • Week 7 (Feb 9 - Feb 15)
  • Week 8 (Feb 16 - Feb 22)
  • Week 9 (Feb 23 - Mar 1)
  • Week 10 (Mar 2 - Mar 8)
  • Week 11 (Mar 9 - Mar 15)
  • Week 12 (Mar 16 - Mar 22)
  • Week 13 (Mar 23 - Mar 29)
  • Week 14 (Mar 30 - Apr 5)
  • Week 15 (Apr 6 - Apr 12)
  • Week 16 (Apr 13 - Apr 19)
  • Week 17 (Apr 20 - Apr 26)
  • Week 18 (Apr 27 - May 3)
  • Week 19 (May 4 - May 10)
  • Week 20 (May 11 - May 17)
  • Week 21 (May 18 - May 24)
  • Week 22 (May 25 - May 31)
  • Week 23 (Jun 1 - Jun 7)
  • Week 24 (Jun 8 - Jun 14)
  • Week 25 (Jun 15 - Jun 21)
  • Week 26 (Jun 22 - Jun 28)
  • Week 27 (Jun 29 - Jul 5)
  • Week 28 (Jul 6 - Jul 12)
  • Week 29 (Jul 13 - Jul 19)
  • Week 30 (Jul 20 - Jul 26)
  • Week 31 (Jul 27 - Aug 2)
  • Week 32 (Aug 3 - Aug 9)
  • Week 33 (Aug 10 - Aug 16)
  • Week 34 (Aug 17 - Aug 23)
  • Week 35 (Aug 24 - Aug 30)
  • Week 36 (Aug 31 - Sep 6)
  • Week 37 (Sep 7 - Sep 13)
  • Week 38 (Sep 14 - Sep 20)
Flight
Mon
Oct 13
Tue
Oct 14
Wed
Oct 15
Thu
Oct 16
Fri
Oct 17
Sat
Oct 18
Sun
Oct 19
AS351
06:25
06:25
06:25
06:25
06:25
06:25
06:25
AS375
08:53
08:53
08:53
08:53
08:53
08:53
08:53
AS406
19:41
----
----
19:41
19:41
----
19:41

United Airlines flight schedule from Dulles to Seattle

All weekly departures with United Airlines. The week calendar shows every flight departure from Dulles (IAD) to Seattle (SEA). Click on a blue date to see a list of flights.

Week 42 (Oct 13 - Oct 19)
  • Week 40 (Sep 29 - Oct 5)
  • Week 41 (Oct 6 - Oct 12)
  • Week 42 (Oct 13 - Oct 19)
  • Week 43 (Oct 20 - Oct 26)
  • Week 44 (Oct 27 - Nov 2)
  • Week 45 (Nov 3 - Nov 9)
  • Week 46 (Nov 10 - Nov 16)
  • Week 47 (Nov 17 - Nov 23)
  • Week 48 (Nov 24 - Nov 30)
  • Week 49 (Dec 1 - Dec 7)
  • Week 50 (Dec 8 - Dec 14)
  • Week 51 (Dec 15 - Dec 21)
  • Week 52 (Dec 22 - Dec 28)
  • Week 1 (Dec 29 - Jan 4)
  • Week 2 (Jan 5 - Jan 11)
  • Week 3 (Jan 12 - Jan 18)
  • Week 4 (Jan 19 - Jan 25)
  • Week 5 (Jan 26 - Feb 1)
  • Week 6 (Feb 2 - Feb 8)
  • Week 7 (Feb 9 - Feb 15)
  • Week 8 (Feb 16 - Feb 22)
  • Week 9 (Feb 23 - Mar 1)
  • Week 10 (Mar 2 - Mar 8)
  • Week 11 (Mar 9 - Mar 15)
  • Week 12 (Mar 16 - Mar 22)
  • Week 13 (Mar 23 - Mar 29)
  • Week 14 (Mar 30 - Apr 5)
  • Week 15 (Apr 6 - Apr 12)
  • Week 16 (Apr 13 - Apr 19)
  • Week 17 (Apr 20 - Apr 26)
  • Week 18 (Apr 27 - May 3)
  • Week 19 (May 4 - May 10)
  • Week 20 (May 11 - May 17)
  • Week 21 (May 18 - May 24)
  • Week 22 (May 25 - May 31)
  • Week 23 (Jun 1 - Jun 7)
  • Week 24 (Jun 8 - Jun 14)
  • Week 25 (Jun 15 - Jun 21)
  • Week 26 (Jun 22 - Jun 28)
  • Week 27 (Jun 29 - Jul 5)
  • Week 28 (Jul 6 - Jul 12)
  • Week 29 (Jul 13 - Jul 19)
  • Week 30 (Jul 20 - Jul 26)
  • Week 31 (Jul 27 - Aug 2)
  • Week 32 (Aug 3 - Aug 9)
  • Week 33 (Aug 10 - Aug 16)
  • Week 34 (Aug 17 - Aug 23)
  • Week 35 (Aug 24 - Aug 30)
  • Week 36 (Aug 31 - Sep 6)
  • Week 37 (Sep 7 - Sep 13)
  • Week 38 (Sep 14 - Sep 20)
Flight
Mon
Oct 13
Tue
Oct 14
Wed
Oct 15
Thu
Oct 16
Fri
Oct 17
Sat
Oct 18
Sun
Oct 19
UA1914
13:05
----
----
13:05
13:05
13:05
13:05
UA326
17:55
17:55
17:55
17:55
17:55
17:55
17:55

Delta Air Lines flight schedule from Dulles to Seattle

All weekly departures with Delta Air Lines. The week calendar shows every flight departure from Dulles (IAD) to Seattle (SEA). Click on a blue date to see a list of flights.

Week 42 (Oct 13 - Oct 19)
  • Week 40 (Sep 29 - Oct 5)
  • Week 41 (Oct 6 - Oct 12)
  • Week 42 (Oct 13 - Oct 19)
  • Week 43 (Oct 20 - Oct 26)
  • Week 44 (Oct 27 - Nov 2)
  • Week 45 (Nov 3 - Nov 9)
  • Week 46 (Nov 10 - Nov 16)
  • Week 47 (Nov 17 - Nov 23)
  • Week 48 (Nov 24 - Nov 30)
  • Week 49 (Dec 1 - Dec 7)
  • Week 50 (Dec 8 - Dec 14)
  • Week 51 (Dec 15 - Dec 21)
  • Week 52 (Dec 22 - Dec 28)
  • Week 1 (Dec 29 - Jan 4)
  • Week 2 (Jan 5 - Jan 11)
  • Week 3 (Jan 12 - Jan 18)
  • Week 4 (Jan 19 - Jan 25)
  • Week 5 (Jan 26 - Feb 1)
  • Week 6 (Feb 2 - Feb 8)
  • Week 7 (Feb 9 - Feb 15)
  • Week 8 (Feb 16 - Feb 22)
  • Week 9 (Feb 23 - Mar 1)
  • Week 10 (Mar 2 - Mar 8)
  • Week 11 (Mar 9 - Mar 15)
  • Week 12 (Mar 16 - Mar 22)
  • Week 13 (Mar 23 - Mar 29)
  • Week 14 (Mar 30 - Apr 5)
  • Week 15 (Apr 6 - Apr 12)
  • Week 16 (Apr 13 - Apr 19)
  • Week 17 (Apr 20 - Apr 26)
  • Week 18 (Apr 27 - May 3)
  • Week 19 (May 4 - May 10)
  • Week 20 (May 11 - May 17)
  • Week 21 (May 18 - May 24)
  • Week 22 (May 25 - May 31)
  • Week 23 (Jun 1 - Jun 7)
  • Week 24 (Jun 8 - Jun 14)
  • Week 25 (Jun 15 - Jun 21)
  • Week 26 (Jun 22 - Jun 28)
  • Week 27 (Jun 29 - Jul 5)
  • Week 28 (Jul 6 - Jul 12)
  • Week 29 (Jul 13 - Jul 19)
  • Week 30 (Jul 20 - Jul 26)
  • Week 31 (Jul 27 - Aug 2)
  • Week 32 (Aug 3 - Aug 9)
  • Week 33 (Aug 10 - Aug 16)
  • Week 34 (Aug 17 - Aug 23)
  • Week 35 (Aug 24 - Aug 30)
  • Week 36 (Aug 31 - Sep 6)
  • Week 37 (Sep 7 - Sep 13)
  • Week 38 (Sep 14 - Sep 20)
Flight
Mon
Oct 13
Tue
Oct 14
Wed
Oct 15
Thu
Oct 16
Fri
Oct 17
Sat
Oct 18
Sun
Oct 19
DL1015
07:35
07:35
07:35
07:35
07:35
07:35
07:35
Flight time
5h 35m - 6h 04m
Earliest flight
07:35
Last flight
17:55
Distance
2313 miles (3722 km)
Cheapest month
January
Airlines
3 (Show)
Flights per week
48
America/New York (UTC-4)
America/Los Angeles (UTC-7)
SEA -3 hours behind

US
Arriving at Seattle Tacoma (SEA) , Washington

Seattle Tacoma International (SEA) is a large airport in USA. You can fly to 137 destinations with 37 airlines in scheduled passenger traffic.

Show all flights from SEA

Best prices on rental cars in Seattle
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Top 10 things to do in Seattle
Find out what other travelers are looking for in Seattle.

US
Departing from Washington Dulles (IAD) , Virginia

Washington Dulles International (IAD) is a large airport in USA. You can fly to 160 destinations with 47 airlines in scheduled passenger traffic.

Show all flights from IAD

Dulles - Seattle flight price statistics

$360
Approximate

The numbers are avarage prices found based on user searches for direct flights between Washington Dulles International and Seattle Tacoma International. Its calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.

$236
Jan
$410
Feb
$342
Mar
$358
Apr
$636
May
$672
Jun
$648
Jul
$517
Aug
$298
Sep
$298
Oct
$318
Nov
$298
Dec

Approximate prices for one round-trip flight from Dulles (IAD) to Seattle (SEA). Graph is not to scale.

CLICK HERE FOR EXACT PRICES

Type of aircraft(s) on this route

Below is a list of aircraft types we have within our database with flights on this route. You can also see the aircrafts seat capacity together with classes.

Boeing 737MAX 9 Passenger
Alaska Airlines
Boeing 737MAX 9 Passenger illustration
Boeing 737MAX 9 Passenger illustration
178 seats
 (16 first class)
Boeing 737-800 (winglets) Passenger/BBJ2
Alaska Airlines
Boeing 737-800 (winglets) Passenger/BBJ2 illustration
Boeing 737-800 (winglets) Passenger/BBJ2 illustration
160 seats
Boeing 737-900 (winglets) Passenger/BBJ3
Alaska Airlines
Boeing 737-900 (winglets) Passenger/BBJ3 illustration
Boeing 737-900 (winglets) Passenger/BBJ3 illustration
164 seats
 (13 first class)
Boeing 737MAX 8 Passenger
United Airlines
Boeing 737MAX 8 Passenger illustration
Boeing 737MAX 8 Passenger illustration
166 seats
 (16 first class)
Boeing 737MAX 9 Passenger
United Airlines
Boeing 737MAX 9 Passenger illustration
Boeing 737MAX 9 Passenger illustration
177 seats
 (19 first class)
Airbus A220-300
Delta Air Lines
Airbus A220-300 illustration
Airbus A220-300 illustration
130 seats
 (12 first class)
ROUTE EXPLORING

Washington Dulles International - all destinations

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Dulles flight map

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Round trip
1 adult
Economy

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Frequently Asked Questions about Flights (FAQ)

  • The flight between Dulles (IAD) and Seattle (SEA) typically takes about 5 hour and 49 minute.
  • There are 4 direct flights every day.
  • The flight numbers are AS351, AS375, AS406, AS409, AS416, AS737, DL1015, DL1084 together with 6 additional flights.
  • From Dulles you will fly out from Ronald Reagan Washington National (DCA) or Washington Dulles International (IAD) and you will be landing at Seattle Tacoma International (SEA).
  • Alaska Airlines, United, and Delta all flyes the Boeing 737 on this route.
  • Three airlines. Alaska Airlines, United and Delta have non-stop flights to Seattle.
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MAP EXPLORER
Flights from Dulles to Seattle route map
Non-stop flights from IAD to SEA
2313 miles (3722 km) · 6 hours and 04 minutes
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