Flights from Seattle Airport (SEA) to Denver Airport Airport (DEN)

We've found the cheapest flights to Denver

Returns from £104.78

One-way from £50.56

LATAM Airlines, Frontier Airlines, China Airlines, Aeromexico, Swiss, Copa Airlines, Singapore Airlines, Finnair, All Nippon Airways, Air Transport International, Starlux, SAS, Air France, WestJet, Japan Airlines, Frontier, Volaris, Virgin Atlantic, Condor, Qatar Airways, Korean Air, KLM, Icelandair, Delta Air Lines, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui, Alaska Airlines and United Airlines fly direct from Seattle-Tacoma International from Denver International. The flight time from Seattle-Tacoma International to Denver International is around 2 Hours 45 Minutes and you will cover 1,645 Km (1,022 Miles). The airport code for Seattle-Tacoma International is SEA and for Denver International it is DEN.

The cost of ticket prices to Denver International United States can vary quite considerably if you travel at certain times of the week especially at weekends. If you are looking to get the cheapest flights possible then we recommend you travel mid week or in the late evening. On occasions, airliners may have special offers so look out for these. Flights to Denver International United States normally increase in price the nearer the journey date, so it is worth trying to book your tickets in advance if you can.

The time zone at Denver International is 7.0 GMT compared to 8.0 GMT at Seattle-Tacoma International so bare this in mind is you need to make travel arrangements when you arrive at Denver International.

The table below displays the numbers of daily flights from Seattle-Tacoma International (SEA) to Denver International (DEN) and the relevant airlines that fly.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines766764705:0019:00VIEW FLIGHTS
Alaska Airlines666645608:0620:17VIEW FLIGHTS
Hawaiian Airlines666645408:0623:59VIEW FLIGHTS
Air Tahiti Nui666645408:0623:59VIEW FLIGHTS
Southwest Airlines555554505:0019:50VIEW FLIGHTS
Delta Air Lines333333307:1018:00VIEW FLIGHTS
Korean Air333333107:1019:32VIEW FLIGHTS
KLM333333107:1018:00VIEW FLIGHTS
Icelandair333323210:2023:59VIEW FLIGHTS
Qatar Airways233322215:4923:59VIEW FLIGHTS
Virgin Atlantic222222107:1018:00VIEW FLIGHTS
Condor222212217:5923:59VIEW FLIGHTS
Volaris211212206:2523:40VIEW FLIGHTS
Frontier211202206:2520:01VIEW FLIGHTS
WestJet211111007:1014:50VIEW FLIGHTS
Japan Airlines111111113:1316:54VIEW FLIGHTS
Starlux111101120:1723:59VIEW FLIGHTS
SAS101111118:0018:00VIEW FLIGHTS
Air France111111014:5014:50VIEW FLIGHTS
Singapore Airlines010111113:1316:54VIEW FLIGHTS
Finnair101101120:1720:17VIEW FLIGHTS
All Nippon Airways111100119:0022:51VIEW FLIGHTS
Air Transport International111101016:0016:05VIEW FLIGHTS
Copa Airlines101110014:2415:45VIEW FLIGHTS
Swiss101010012:4912:49VIEW FLIGHTS
LATAM Airlines100000007:1007:10VIEW FLIGHTS
Frontier Airlines000010006:2506:25VIEW FLIGHTS
China Airlines100000007:1007:10VIEW FLIGHTS
Aeromexico100000007:1007:10VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 43 flights a week. The earliest flights are operated at 05:00 and the latest flights operated at 19:00 and the most common flight numbers are UA1218, UA1359, UA1747 and UA1969

Contact United Airlines at united.com to booking a flight or find up to date information on the flight times.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
05:00
AirlineFlightNo
United AirlinesUA2269
Southwest AirlinesWN4457
06:25
AirlineFlightNo
VolarisY42182
FrontierF93406
07:10
AirlineFlightNo
Korean AirKE7424
AeromexicoAM3864
WestJetWS7718
KLMKL7271
China AirlinesCI9136
Delta Air LinesDL2740
LATAM AirlinesLA6633
Virgin AtlanticVS1612
08:05
AirlineFlightNo
Southwest AirlinesWN2016
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:57
AirlineFlightNo
United AirlinesUA1359
10:20
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1969
12:49
AirlineFlightNo
United AirlinesUA757
SwissLX3129
13:10
AirlineFlightNo
Southwest AirlinesWN3364
13:13
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:24
AirlineFlightNo
United AirlinesUA2859
Copa AirlinesCM1286
14:50
AirlineFlightNo
Korean AirKE3013
WestJetWS6913
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
14:57
AirlineFlightNo
United AirlinesUA1747
15:45
AirlineFlightNo
Southwest AirlinesWN4460
15:49
AirlineFlightNo
Alaska AirlinesAS602
16:00
AirlineFlightNo
Air Transport International8C3347
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
19:32
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Hawaiian AirlinesHA6650
19:50
AirlineFlightNo
Southwest AirlinesWN4461
20:01
AirlineFlightNo
VolarisY42053
FrontierF91176
20:17
AirlineFlightNo
FinnairAY2595
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7701
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
22:51
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
Southwest AirlinesWN4457
06:25
AirlineFlightNo
VolarisY42182
FrontierF93406
07:00
AirlineFlightNo
Southwest AirlinesWN4461
07:10
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:57
AirlineFlightNo
United AirlinesUA1359
10:20
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1969
12:20
AirlineFlightNo
Southwest AirlinesWN3361
12:49
AirlineFlightNo
United AirlinesUA757
13:13
AirlineFlightNo
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:24
AirlineFlightNo
United AirlinesUA2859
14:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
Southwest AirlinesWN1351
15:45
AirlineFlightNo
United AirlinesUA1747
15:49
AirlineFlightNo
Alaska AirlinesAS602
16:00
AirlineFlightNo
Air Transport International8C3347
16:55
AirlineFlightNo
Southwest AirlinesWN4460
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
Korean AirKE3495
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:32
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
20:17
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7701
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
Southwest AirlinesWN4457
06:25
AirlineFlightNo
VolarisY42182
FrontierF93406
07:00
AirlineFlightNo
Southwest AirlinesWN4461
07:10
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:57
AirlineFlightNo
United AirlinesUA1359
10:20
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:14
AirlineFlightNo
United AirlinesUA1969
12:20
AirlineFlightNo
Southwest AirlinesWN3361
12:49
AirlineFlightNo
United AirlinesUA757
SwissLX3129
13:13
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:25
AirlineFlightNo
United AirlinesUA2859
14:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
Southwest AirlinesWN1351
14:57
AirlineFlightNo
United AirlinesUA1747
Copa AirlinesCM1286
15:49
AirlineFlightNo
Alaska AirlinesAS602
16:00
AirlineFlightNo
Air Transport International8C3347
16:55
AirlineFlightNo
Southwest AirlinesWN4460
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
Korean AirKE3495
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
19:32
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
20:17
AirlineFlightNo
FinnairAY2595
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7701
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
22:51
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
United AirlinesUA2269
Southwest AirlinesWN4457
06:25
AirlineFlightNo
VolarisY42182
FrontierF93406
07:10
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
08:05
AirlineFlightNo
Southwest AirlinesWN2016
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:57
AirlineFlightNo
United AirlinesUA1359
10:20
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1969
12:49
AirlineFlightNo
United AirlinesUA757
13:10
AirlineFlightNo
Southwest AirlinesWN3364
13:13
AirlineFlightNo
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:24
AirlineFlightNo
United AirlinesUA2859
Copa AirlinesCM1286
14:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8153
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
14:57
AirlineFlightNo
United AirlinesUA1747
15:45
AirlineFlightNo
Southwest AirlinesWN4460
15:49
AirlineFlightNo
Alaska AirlinesAS602
16:05
AirlineFlightNo
Air Transport International8C3347
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
Korean AirKE3495
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
19:32
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
19:48
AirlineFlightNo
VolarisY42053
FrontierF91176
19:50
AirlineFlightNo
Southwest AirlinesWN4461
20:17
AirlineFlightNo
FinnairAY2595
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7701
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
22:51
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
United AirlinesUA2269
05:15
AirlineFlightNo
Southwest AirlinesWN4457
06:25
AirlineFlightNo
Frontier AirlinesF93406
VolarisY42182
07:10
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:57
AirlineFlightNo
United AirlinesUA1359
09:10
AirlineFlightNo
Southwest AirlinesWN2379
10:20
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
10:35
AirlineFlightNo
Southwest AirlinesWN3475
11:11
AirlineFlightNo
United AirlinesUA1969
11:55
AirlineFlightNo
Southwest AirlinesWN3435
12:49
AirlineFlightNo
United AirlinesUA757
SwissLX3129
14:24
AirlineFlightNo
United AirlinesUA2859
14:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8153
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
15:30
AirlineFlightNo
Southwest AirlinesWN4461
15:45
AirlineFlightNo
United AirlinesUA1747
Copa AirlinesCM1286
15:49
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Singapore AirlinesSQ1218
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
IcelandairFI7699
Japan AirlinesJL6364
Qatar AirwaysQR3441
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
Korean AirKE3495
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN4457
06:25
AirlineFlightNo
VolarisY42182
FrontierF93406
07:10
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:40
AirlineFlightNo
Southwest AirlinesWN2379
08:57
AirlineFlightNo
United AirlinesUA1359
10:20
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1969
12:49
AirlineFlightNo
United AirlinesUA757
13:13
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2172
KLMKL5988
Delta Air LinesDL1675
15:05
AirlineFlightNo
Southwest AirlinesWN2795
15:45
AirlineFlightNo
United AirlinesUA1747
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
Korean AirKE3495
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
18:45
AirlineFlightNo
Southwest AirlinesWN2326
19:48
AirlineFlightNo
VolarisY42053
FrontierF91176
20:12
AirlineFlightNo
Air Transport International8C3347
20:17
AirlineFlightNo
Alaska AirlinesAS642
23:59
AirlineFlightNo
FinnairAY2595
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6652
IcelandairFI7701
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
United AirlinesUA2269
05:30
AirlineFlightNo
Southwest AirlinesWN4457
06:25
AirlineFlightNo
FrontierF93406
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:06
AirlineFlightNo
Alaska AirlinesAS682
08:25
AirlineFlightNo
Southwest AirlinesWN2016
08:57
AirlineFlightNo
United AirlinesUA1359
10:14
AirlineFlightNo
VolarisY42182
10:20
AirlineFlightNo
Alaska AirlinesAS535
11:11
AirlineFlightNo
United AirlinesUA1969
11:53
AirlineFlightNo
Air Tahiti NuiTN2349
Hawaiian AirlinesHA6555
12:49
AirlineFlightNo
United AirlinesUA757
13:13
AirlineFlightNo
Alaska AirlinesAS620
13:50
AirlineFlightNo
Southwest AirlinesWN834
14:24
AirlineFlightNo
United AirlinesUA2859
14:50
AirlineFlightNo
Delta Air LinesDL1675
14:57
AirlineFlightNo
United AirlinesUA1747
15:49
AirlineFlightNo
Alaska AirlinesAS602
15:55
AirlineFlightNo
Southwest AirlinesWN4460
16:54
AirlineFlightNo
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
17:59
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
18:00
AirlineFlightNo
Korean AirKE3495
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
19:30
AirlineFlightNo
Southwest AirlinesWN383
19:48
AirlineFlightNo
FrontierF91176
20:17
AirlineFlightNo
FinnairAY2595
Alaska AirlinesAS642
22:51
AirlineFlightNo
All Nippon AirwaysNH7376
23:40
AirlineFlightNo
VolarisY42053
23:59
AirlineFlightNo
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6652
IcelandairFI7701
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS

Instead of flying directly from Seattle-Tacoma International and arrive at Denver International, you may arrive Denver International by another airport. Please see chart below for a list of these.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Everett to Denver 01,665 km (1,034 miles)2 Hours 46 Minutes
Richmond Vancouver to Denver 01,789 km (1,112 miles)2 Hours 55 Minutes

Don’t forget that flight regulations are getting tight so we recommend you leave plenty of time to get through customs at Seattle-Tacoma International.

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Flight Price FAQ - Seattle (SEA) to Denver (DEN)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Seattle SEA to Denver DEN?
The cheapest direct flight one way from Seattle SEA to Denver DEN is £50.56 ($69 €58.59)
£50.56
$69 | €58.59
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Seattle SEA to Denver DEN?
The cheapest direct return flight from Seattle SEA to Denver DEN is £104.78 ($143 €121.43)
£104.78
$143 | €121.43
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from SEA to DEN

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Flight Info FAQ - Seattle (SEA) to Denver (DEN)

Who flies from Seattle to Denver?
The following airlines fly from Seattle (SEA) to Denver (DEN): Aeromexico, Air France, Air Tahiti Nui, Air Transport International, Alaska Airlines, All Nippon Airways, China Airlines, Condor, Copa Airlines, Delta Air Lines, Finnair, Frontier, Frontier Airlines, Hawaiian Airlines, Icelandair, Japan Airlines, KLM, Korean Air, LATAM Airlines, Qatar Airways, SAS, Singapore Airlines, Southwest Airlines, Starlux, Swiss, United Airlines, Virgin Atlantic, Volaris, WestJet.
How far is the flight from Seattle to Denver?
The flight from Seattle to Denver is 1,645KM or 1,022 miles.
How long does the flight from Seattle to Denver to take?
The flight from Seattle to Denver takes 2 Hours 45 Minutes.

Other Airports Connecting To Denver Airport in united states

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Useful Information about Denver Airport

New Q1 Passenger Number Record Set at Denver Airport – Up 19% Year on Year

Denver Airport achieved a new record in passenger numbers during the first quarter. There was a notable increase of 19% compared to the same period last year. Compared to the pre-pandemic figures of the first quarter, the numbers surpassed them by an impressive 15%.

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Lounges at Denver Airport

See all the airport lounges, locations and opening times available at Denver Airport

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Eating and Drinking at Denver Airport

See all bars and restaurants at Denver Airport, including locations and if they are before or after check-in

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Duty Free Shopping at Denver Airport

See all shops available at Denver Airport - plan your duty free shopping in advance

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