$106+ Cheap flights from Denver (DEN) to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Cheapest flights from Denver to WashingtonExplore the most affordable flight options available from Denver to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
Explore the most affordable flight options available from Denver to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Wed 8/198:13 pm
SEA
- DEN
1 stop6h 45m
Frontier
Deal found 6/1![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Tue 8/187:41 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 6/1![Frontier logo]()
$167
This Travelocity deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Tue 8/2511:53 am
SEA
- DEN
1 stop25h 16m
Frontier
Deal found 6/1![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:45 am
DEN
- SEA
Nonstop3h 03m
Frontier
Tue 7/1411:54 am
SEA
- DEN
1 stop20h 30m
Frontier
Deal found 6/3![Frontier logo]()
$169
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:00 pm
DEN
- SEA
Nonstop3h 04m
Frontier
Thu 8/277:41 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 6/3![Frontier logo]()
$170
This Expedia deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:08 pm
DEN
- SEA
Nonstop3h 00m
Multiple Airlines
Sat 8/297:41 pm
SEA
- DEN
Nonstop2h 55m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$171
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:45 am
DEN
- SEA
Nonstop3h 03m
Frontier
Tue 6/307:41 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 6/3![Frontier logo]()
$172
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sat 8/88:13 pm
SEA
- DEN
1 stop6h 43m
Frontier
Deal found 6/3![Frontier logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Mon 7/137:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 6/4![Frontier logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:00 am
DEN
- SEA
Nonstop3h 17m
Frontier
Tue 8/188:13 pm
SEA
- DEN
1 stop6h 45m
Frontier
Deal found 6/4![Frontier logo]()
$175
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:45 am
DEN
- SEA
Nonstop3h 03m
Frontier
Tue 6/307:41 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 6/4![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Mon 8/108:53 pm
SEA
- DEN
1 stop11h 12m
Frontier
Deal found 6/3![Frontier logo]()
$177
Best flights from Denver to WashingtonDiscover carefully curated flight deals from Denver to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from Denver to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
DEN
- SEA
1 stop6h 44m
Alaska Airlines
Wed 9/97:32 pm
SEA
- DEN
Nonstop2h 47m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:30 pm
DEN
- PDX
1 stop6h 22m
Delta
Mon 10/125:45 pm
PDX
- DEN
1 stop4h 43m
Delta
Deal found 6/4![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:59 pm
DEN
- PDX
Nonstop2h 39m
United Airlines
Thu 11/268:45 am
PDX
- DEN
Nonstop2h 34m
United Airlines
Deal found 5/31![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:05 am
DEN
- SEA
Nonstop3h 00m
Southwest
Sat 7/47:25 pm
SEA
- DEN
Nonstop2h 35m
Southwest
Deal found 5/31![Southwest logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
DEN
- BLI
2 stops29h 39m
Multiple Airlines
Sun 7/121:16 pm
BLI
- DEN
1 stop13h 32m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:02 am
DEN
- PSC
1 stop4h 51m
Alaska Airlines
Mon 8/33:59 pm
PSC
- DEN
1 stop4h 41m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:40 am
DEN
- PSC
1 stop4h 21m
Delta
Sat 7/113:36 pm
PSC
- DEN
1 stop7h 08m
Delta
Deal found 5/31![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:39 pm
DEN
- PSC
1 stop6h 14m
Delta
Tue 8/43:24 pm
PSC
- DEN
1 stop7h 34m
Delta
Deal found 6/2![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:55 pm
DEN
- SEA
1 stop5h 20m
Southwest
Wed 7/297:30 am
SEA
- DEN
2 stops7h 20m
Southwest
Deal found 6/5![Southwest logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:05 pm
DEN
- PDX
Nonstop2h 45m
Alaska Airlines
Wed 7/155:30 pm
PDX
- DEN
1 stop5h 29m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:10 pm
DEN
- SEA
Nonstop3h 00m
United Airlines
Mon 8/37:54 pm
SEA
- DEN
Nonstop2h 44m
United Airlines
Deal found 6/4![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:20 am
DEN
- PSC
1 stop6h 25m
Delta
Wed 8/193:24 pm
PSC
- DEN
1 stop7h 34m
Delta
Deal found 6/2![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:43 pm
DEN
- PDX
1 stop5h 54m
Alaska Airlines
Sat 9/262:51 pm
PDX
- DEN
Nonstop2h 41m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:50 pm
DEN
- SEA
2 stops8h 25m
Southwest
Tue 8/119:25 am
SEA
- DEN
1 stop6h 30m
Southwest
Deal found 6/5![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:10 pm
DEN
- PSC
Nonstop2h 27m
United Airlines
Tue 9/15:15 am
PSC
- DEN
Nonstop2h 22m
United Airlines
Deal found 6/5![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:40 am
DEN
- PSC
1 stop4h 26m
Delta
Sun 7/53:25 pm
PSC
- DEN
1 stop7h 21m
Delta
Deal found 5/31![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:10 pm
DEN
- PDX
2 stops7h 00m
Southwest
Mon 9/285:15 pm
PDX
- DEN
1 stop4h 50m
Southwest
Deal found 5/31![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:02 am
DEN
- PSC
1 stop4h 51m
Alaska Airlines
Sat 8/295:17 pm
PSC
- DEN
1 stop4h 59m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:17 pm
DEN
- PSC
1 stop6h 16m
Delta
Tue 9/11:46 pm
PSC
- DEN
1 stop5h 15m
Delta
Deal found 6/5![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:15 am
DEN
- SEA
2 stops8h 20m
Southwest
Sat 8/89:20 am
SEA
- DEN
2 stops9h 15m
Southwest
Deal found 5/31![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:02 am
DEN
- PSC
1 stop4h 51m
Alaska Airlines
Tue 7/75:23 am
PSC
- DEN
1 stop4h 40m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:05 pm
DEN
- SEA
2 stops8h 10m
Southwest
Sun 8/309:05 am
SEA
- DEN
2 stops7h 30m
Southwest
Deal found 5/31![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:30 am
DEN
- PDX
1 stop6h 12m
Delta
Thu 6/255:50 pm
PDX
- DEN
1 stop4h 56m
Delta
Deal found 5/31![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:40 pm
DEN
- GEG
Nonstop2h 25m
United Airlines
Sun 7/125:00 am
GEG
- DEN
Nonstop2h 20m
United Airlines
Deal found 5/31![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:00 am
DEN
- PAE
1 stop4h 53m
Alaska Airlines
Wed 7/2912:33 pm
PAE
- DEN
1 stop4h 36m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:00 pm
DEN
- PDX
1 stop4h 05m
Delta
Sun 9/2711:20 am
PDX
- DEN
1 stop5h 29m
Delta
Deal found 5/31![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:00 pm
DEN
- SEA
2 stops8h 00m
Southwest
Fri 11/279:10 am
SEA
- DEN
Nonstop2h 35m
Southwest
Deal found 6/2![Southwest logo]()
$341
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:40 pm
DEN
- GEG
Nonstop2h 25m
United Airlines
Tue 6/305:00 am
GEG
- DEN
Nonstop2h 20m
United Airlines
Deal found 5/31![United Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:00 am
DEN
- PAE
1 stop4h 53m
Alaska Airlines
Wed 8/1212:33 pm
PAE
- DEN
1 stop4h 36m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:40 am
DEN
- PDX
1 stop3h 59m
Delta
Sat 7/45:50 pm
PDX
- DEN
1 stop4h 56m
Delta
Deal found 6/4![Delta logo]()
$307
Last-minute flights from Denver to WashingtonDiscover last-minute flight deals from Denver to Washington. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Washington. Data last updated June 5, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2010:39 pm
DEN
- PDX
1 stop14h 02m
Frontier
Wed 6/245:20 pm
PDX
- DEN
Nonstop2h 41m
Frontier
Deal found 6/3![Frontier logo]()
$208
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Wed 6/245:20 pm
PDX
- DEN
Nonstop2h 41m
Frontier
Deal found 6/3![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Fri 7/312:26 pm
PDX
- DEN
Nonstop2h 42m
Frontier
Deal found 6/4![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Sat 7/1812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 5/31![Frontier logo]()
$206
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Tue 7/145:16 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/4![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Sun 7/1912:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/2![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Thu 7/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/1![Frontier logo]()
$200
This Super.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Tue 7/285:16 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/5![Frontier logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:39 pm
DEN
- PDX
1 stop13h 56m
Frontier
Sat 7/2512:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/3![Frontier logo]()
$212
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Fri 7/3112:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/2![Frontier logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Fri 7/3112:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/4![Frontier logo]()
$196
This Expedia deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:39 pm
DEN
- PDX
1 stop13h 56m
Frontier
Sat 8/812:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/2![Frontier logo]()
$214
One-way flights from Denver to WashingtonSearch for one-way flight options from Denver to Washington. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Denver to Washington. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Deal found 6/2![Frontier logo]()
$106
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:30 pm
DEN
- SEA
1 stop8h 13m
United Airlines
Deal found 6/1![United Airlines logo]()
$108
This Expedia deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:00 am
DEN
- PAE
1 stop4h 53m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$108
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:13 am
DEN
- SEA
Nonstop3h 07m
Frontier
Deal found 6/3![Frontier logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:08 am
DEN
- PDX
Nonstop2h 42m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$109
This lastminute.co.il deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.co.il is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:45 am
DEN
- SEA
Nonstop3h 06m
Frontier
Deal found 6/1![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Deal found 6/3![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:29 pm
DEN
- SEA
Nonstop2h 58m
Frontier
Deal found 6/1![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:00 am
DEN
- SEA
1 stop26h 08m
Frontier
Deal found 6/4![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:32 pm
DEN
- SEA
1 stop8h 29m
Frontier
Deal found 6/3![Frontier logo]()
$113
This Cheapflightsfares deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Deal found 6/1![Frontier logo]()
$114
This Expedia deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:02 pm
DEN
- SEA
1 stop7h 24m
Frontier
Deal found 6/3![Frontier logo]()
$115
Find flight deals from Denver to Washington
Keep the following information in mind while searching for Denver to Washington flight deals. Data was last updated June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $166 (Cheapflightsfares) |
One-way from | $106 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $279 |
Good round-trip deal | $119 or less |
Good one-way deal | $114 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Denver to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 8/12
6:00 am-11:44 am
1 stop6h 44m
Seattle/Tacoma Intl
Wed 9/9
7:32 pm-11:19 pm
Nonstop2h 47m
$225
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 10/6
6:30 pm-11:52 pm
1 stop6h 22m
Portland
Mon 10/12
5:45 pm-11:28 pm
1 stop4h 43m
$247
DenverPasco
DEN - PSC
DENPSC
Denver Intl
Thu 7/30
6:02 am-9:53 am
1 stop4h 51m
Pasco Tri Cities
Mon 8/3
3:59 pm-9:40 pm
1 stop4h 41m
$269
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Mon 11/23
8:59 pm-10:38 pm
Nonstop2h 39m
Portland
Thu 11/26
8:45 am-12:19 pm
Nonstop2h 34m
$287
DenverPasco
DEN - PSC
DENPSC
Denver Intl
Tue 7/7
5:40 am-9:01 am
1 stop4h 21m
Pasco Tri Cities
Sat 7/11
3:36 pm-11:44 pm
1 stop7h 08m
$289
DenverPasco
DEN - PSC
DENPSC
Denver Intl
Thu 7/30
6:39 pm-11:53 pm
1 stop6h 14m
Pasco Tri Cities
Tue 8/4
3:24 pm-11:58 pm
1 stop7h 34m
$289
DenverPasco
DEN - PSC
DENPSC
Denver Intl
Tue 8/11
6:20 am-11:45 am
1 stop6h 25m
Pasco Tri Cities
Wed 8/19
3:24 pm-11:58 pm
1 stop7h 34m
$289
DenverPasco
DEN - PSC
DENPSC
Denver Intl
Mon 6/29
5:40 am-9:06 am
1 stop4h 26m
Pasco Tri Cities
Sun 7/5
3:25 pm-11:46 pm
1 stop7h 21m
$289
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 7/1
7:05 pm-8:50 pm
Nonstop2h 45m
Portland
Wed 7/15
5:30 pm-11:59 pm
1 stop5h 29m
$297
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 9/22
1:43 pm-6:37 pm
1 stop5h 54m
Portland
Sat 9/26
2:51 pm-6:32 pm
Nonstop2h 41m
$297
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Denver to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Denver with our price prediction graph.
DEN-SEA
DEN-PDX
DEN-BLI
DEN-PSC
DEN-GEG
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Washington
DEN-USWA
DEN-SEA
DEN-PDX
DEN-BLI
DEN-PSC
What is the cheapest month to book a flight from Denver to State of Washington?
Currently, August is the cheapest month in which you can book a flight from Denver to State of Washington (average of $197). Flying from Denver to State of Washington in January is currently the most expensive (average of $505). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DEN to WA?
Find hourly flight availability from Denver to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 5, 2026.
It’s typically best to fly out from Denver to State of Washington in the morning. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Denver to State of Washington
Explore weekly flight availability from Denver to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 5, 2026.
The most flights from DEN to USWA are scheduled on a Friday (48 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Denver to State of Washington?
How far ahead should I book a flight from Denver to State of Washington?
The price you pay for your flight from Denver to State of Washington may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Denver to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Denver to Washington. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their Denver to State of Washington flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated June 5, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Denver to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Denver to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Denver and Washington flights
Browse other Denver and Washington flight options. Last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Denver to Washington flights
Consider these flights traveling from Denver to Washington.
Top 6 airlines flying from Denver to Washington
Discover the top 6 airlines that operate flights from Denver to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$84 | Average$247 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$89 | Average$320 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$342 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$117 | Average$322 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$127 | Average$412 | FlexibilityNo cancel fee | On-time75% |