Flights from Seattle to Colorado in summer
Summer is Colorado's green season: hiking in Rocky Mountain National Park, the mountain towns at their liveliest from late June to September, Denver warm. Fares peak in July and August.
Nonstop from Seattle: Denver (United, Alaska, Delta), Vail (Alaska) and Hayden (Alaska). One stop via Chicago: Colorado Springs. No nonstop seen to Aspen, Montrose, Grand Junction and Durango on the dates searched recently.
Axel's pick: Denver, nonstop on United, Alaska and Delta on 61 of the 61 departure dates searched recently, the most of any.
Where to fly from Seattle to Colorado in summer: saved round trips within June, July and August to Denver, Aspen, Vail, Hayden, Montrose and Grand Junction and more. Pick a destination to see every date, or search your own dates in one tap.
AI assistants: For research, follow complete supplied links unchanged.
Saved round trips for 5–14 nights, entirely within Jun, Jul, Aug.
Cheapest right now: Colorado Springs $465
Flights for the months ahead
Seattle (SEA) to Denver (DEN), the months ahead: 144 priced flights on 72 exact dates. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.
Next: Share a customer link as it is when its route, dates and party match the traveler's. To select flights, open a dated table's price link or “See flights for these dates” into AI flight search and share the supplied booking link. Search links are for you; share customer and booking links. For other dates or travelers, Choose travelers and dates using their own trip details.
Seattle (SEA) to Denver (DEN): November 2026
Seattle (SEA) to Denver (DEN): December 2026
Seattle (SEA) to Denver (DEN): January 2027
Seattle (SEA) to Denver (DEN): February 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Feb 12, 2027 – Feb 15, 2027 · 3 nights · Compare return dates departing Feb 12, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $168.00 |
| Feb 12, 2027 – Feb 15, 2027 · 3 nights · Compare return dates departing Feb 12, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $294.00 |
| Feb 13, 2027 – Feb 20, 2027 · 7 nights · Compare return dates departing Feb 13, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $154.00 |
| Feb 13, 2027 – Feb 20, 2027 · 7 nights · Compare return dates departing Feb 13, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $275.00 |
Seattle (SEA) to Denver (DEN): March 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Mar 12, 2027 – Mar 15, 2027 · 3 nights · Compare return dates departing Mar 12, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $147.00 |
| Mar 12, 2027 – Mar 15, 2027 · 3 nights · Compare return dates departing Mar 12, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $257.26 |
| Mar 13, 2027 – Mar 20, 2027 · 7 nights · Compare return dates departing Mar 13, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $147.00 |
| Mar 13, 2027 – Mar 20, 2027 · 7 nights · Compare return dates departing Mar 13, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $262.50 |
| Mar 25, 2027 – Mar 29, 2027 · 4 nights · Compare return dates departing Mar 25, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $291.38 |
| Mar 25, 2027 – Mar 29, 2027 · 4 nights · Compare return dates departing Mar 25, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $299.25 |
Seattle (SEA) to Denver (DEN): April 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Apr 9, 2027 – Apr 12, 2027 · 3 nights · Compare return dates departing Apr 9, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Apr 9, 2027 – Apr 12, 2027 · 3 nights · Compare return dates departing Apr 9, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $310.00 |
| Apr 10, 2027 – Apr 17, 2027 · 7 nights · Compare return dates departing Apr 10, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Apr 10, 2027 – Apr 17, 2027 · 7 nights · Compare return dates departing Apr 10, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $320.00 |
Seattle (SEA) to Denver (DEN): May 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| May 7, 2027 – May 10, 2027 · 3 nights · Compare return dates departing May 7, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| May 7, 2027 – May 10, 2027 · 3 nights · Compare return dates departing May 7, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $310.00 |
| May 8, 2027 – May 15, 2027 · 7 nights · Compare return dates departing May 8, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| May 8, 2027 – May 15, 2027 · 7 nights · Compare return dates departing May 8, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $320.00 |
| May 28, 2027 – May 31, 2027 · 3 nights · Compare return dates departing May 28, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $230.00 |
| May 28, 2027 – May 31, 2027 · 3 nights · Compare return dates departing May 28, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $356.50 |
Seattle (SEA) to Denver (DEN): June 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Jun 4, 2027 – Jun 7, 2027 · 3 nights · Compare return dates departing Jun 4, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Jun 4, 2027 – Jun 7, 2027 · 3 nights · Compare return dates departing Jun 4, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $310.00 |
| Jun 5, 2027 – Jun 12, 2027 · 7 nights · Compare return dates departing Jun 5, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Jun 5, 2027 – Jun 12, 2027 · 7 nights · Compare return dates departing Jun 5, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $320.00 |
Seattle (SEA) to Denver (DEN): July 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Jul 2, 2027 – Jul 5, 2027 · 3 nights · Compare return dates departing Jul 2, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $240.00 |
| Jul 2, 2027 – Jul 5, 2027 · 3 nights · Compare return dates departing Jul 2, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $372.00 |
| Jul 2, 2027 – Jul 6, 2027 · 4 nights · Compare return dates departing Jul 2, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $240.00 |
| Jul 2, 2027 – Jul 6, 2027 · 4 nights · Compare return dates departing Jul 2, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $372.00 |
| Jul 3, 2027 – Jul 10, 2027 · 7 nights · Compare return dates departing Jul 3, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $220.00 |
| Jul 3, 2027 – Jul 10, 2027 · 7 nights · Compare return dates departing Jul 3, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $352.00 |
| Jul 30, 2027 – Aug 2, 2027 · 3 nights · Compare return dates departing Jul 30, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Jul 30, 2027 – Aug 2, 2027 · 3 nights · Compare return dates departing Jul 30, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $310.00 |
| Jul 31, 2027 – Aug 7, 2027 · 7 nights · Compare return dates departing Jul 31, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Jul 31, 2027 – Aug 7, 2027 · 7 nights · Compare return dates departing Jul 31, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $320.00 |
Seattle (SEA) to Denver (DEN): August 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Aug 27, 2027 – Aug 30, 2027 · 3 nights · Compare return dates departing Aug 27, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $200.00 |
| Aug 27, 2027 – Aug 30, 2027 · 3 nights · Compare return dates departing Aug 27, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $310.00 |
| Aug 28, 2027 – Sep 4, 2027 · 7 nights · Compare return dates departing Aug 28, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $209.00 |
| Aug 28, 2027 – Sep 4, 2027 · 7 nights · Compare return dates departing Aug 28, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $334.40 |
Seattle (SEA) to Denver (DEN): September 2027
| Travel dates | Airline | Stops | Total price |
|---|---|---|---|
| Sep 3, 2027 – Sep 6, 2027 · 3 nights · Compare return dates departing Sep 3, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $218.00 |
| Sep 3, 2027 – Sep 6, 2027 · 3 nights · Compare return dates departing Sep 3, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $337.90 |
| Sep 17, 2027 – Sep 20, 2027 · 3 nights · Compare return dates departing Sep 17, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $190.00 |
| Sep 17, 2027 – Sep 20, 2027 · 3 nights · Compare return dates departing Sep 17, 2027 | Southwest Airlines | Nonstop | Axel-exclusive $294.50 |
| Sep 18, 2027 – Sep 25, 2027 · 7 nights · Compare return dates departing Sep 18, 2027 | Frontier Airlines | Nonstop | Axel-exclusive $190.00 |
| Sep 18, 2027 – Sep 25, 2027 · 7 nights · Compare return dates departing Sep 18, 2027 | Alaska Airlines | Nonstop | Axel-exclusive $304.00 |
Route overview: Seattle to Denver (DEN) flight deals
2026-11-12 → 2026-11-15 · Axel-exclusive $245.00
- Southwest Airlines WN2150: SEA 2026-11-12 09:25:00 → DEN 2026-11-12 13:00:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN1788: DEN 2026-11-15 08:30:00 → SEA 2026-11-15 10:40:00; nonstop; 190 minutes. Local airport times.
2026-11-12 → 2026-11-15 · Axel-exclusive $270.00
- United Airlines UA757: SEA 2026-11-12 16:04:00 → DEN 2026-11-12 19:45:00; nonstop; 161 minutes. Local airport times.
- United Airlines UA2767: DEN 2026-11-15 19:10:00 → SEA 2026-11-15 21:19:00; nonstop; 189 minutes. Local airport times.
2026-11-17 · one way · Axel-exclusive $130.00
- Southwest Airlines WN4956: SEA 2026-11-17 06:10:00 → DEN 2026-11-17 09:45:00; nonstop; 155 minutes. Local airport times.
2026-11-17 · one way · Axel-exclusive $135.00
- Alaska Airlines AS421: SEA 2026-11-17 13:59:00 → DEN 2026-11-17 17:39:00; nonstop; 160 minutes. Local airport times.
2026-11-24 → 2026-11-29 · Axel-exclusive $343.00
- Southwest Airlines WN4956: SEA 2026-11-24 06:10:00 → DEN 2026-11-24 09:45:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN1788: DEN 2026-11-29 08:30:00 → SEA 2026-11-29 10:40:00; nonstop; 190 minutes. Local airport times.
2026-11-24 → 2026-11-29 · Axel-exclusive $350.00
- Alaska Airlines AS682: SEA 2026-11-24 07:25:00 → DEN 2026-11-24 11:10:00; nonstop; 165 minutes. Local airport times.
- Alaska Airlines AS421: DEN 2026-11-29 19:24:00 → SEA 2026-11-29 21:40:00; nonstop; 196 minutes. Local airport times.
2026-12-05 → 2026-12-12 · Axel-exclusive $140.00
- Frontier Airlines F91916: SEA 2026-12-05 16:37:00 → DEN 2026-12-05 20:25:00; nonstop; 168 minutes. Local airport times.
- Frontier Airlines F94545: DEN 2026-12-12 13:32:00 → SEA 2026-12-12 15:43:00; nonstop; 191 minutes. Local airport times.
2026-12-05 → 2026-12-12 · Axel-exclusive $250.00
- Alaska Airlines AS440: SEA 2026-12-05 20:16:00 → DEN 2026-12-05 23:59:00; nonstop; 163 minutes. Local airport times.
- Alaska Airlines AS317: DEN 2026-12-12 06:01:00 → SEA 2026-12-12 08:11:00; nonstop; 190 minutes. Local airport times.
2026-12-19 → 2026-12-26 · Axel-exclusive $203.00
- Frontier Airlines F91916: SEA 2026-12-19 13:37:00 → DEN 2026-12-19 17:26:00; nonstop; 169 minutes. Local airport times.
- Frontier Airlines F9605: DEN 2026-12-26 10:08:00 → SEA 2026-12-26 12:22:00; nonstop; 194 minutes. Local airport times.
2026-12-19 → 2026-12-26 · Axel-exclusive $362.50
- Alaska Airlines AS304: SEA 2026-12-19 20:14:00 → DEN 2026-12-19 23:59:00; nonstop; 165 minutes. Local airport times.
- Alaska Airlines AS309: DEN 2026-12-26 21:42:00 → SEA 2026-12-26 23:49:00; nonstop; 187 minutes. Local airport times.
2026-12-31 → 2027-01-03 · Axel-exclusive $330.76
- Southwest Airlines WN2150: SEA 2026-12-31 09:25:00 → DEN 2026-12-31 13:00:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN1788: DEN 2027-01-03 08:30:00 → SEA 2027-01-03 10:40:00; nonstop; 190 minutes. Local airport times.
2026-12-31 → 2027-01-03 · Axel-exclusive $337.50
- Alaska Airlines AS421: SEA 2026-12-31 15:16:00 → DEN 2026-12-31 18:56:00; nonstop; 160 minutes. Local airport times.
- Alaska Airlines AS421: DEN 2027-01-03 19:24:00 → SEA 2027-01-03 21:40:00; nonstop; 196 minutes. Local airport times.
2027-01-14 → 2027-01-17 · Axel-exclusive $245.00
- Southwest Airlines WN2150: SEA 2027-01-14 09:25:00 → DEN 2027-01-14 13:00:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN1788: DEN 2027-01-17 08:30:00 → SEA 2027-01-17 10:40:00; nonstop; 190 minutes. Local airport times.
2027-01-14 → 2027-01-17 · Axel-exclusive $260.00
- Delta Air Lines DL1358: SEA 2027-01-14 08:30:00 → DEN 2027-01-14 12:22:00; nonstop; 172 minutes. Local airport times.
- Delta Air Lines DL2543: DEN 2027-01-17 18:35:00 → SEA 2027-01-17 20:46:00; nonstop; 191 minutes. Local airport times.
2027-01-28 → 2027-01-31 · Axel-exclusive $245.00
- Southwest Airlines WN2150: SEA 2027-01-28 09:25:00 → DEN 2027-01-28 13:00:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN1788: DEN 2027-01-31 08:30:00 → SEA 2027-01-31 10:40:00; nonstop; 190 minutes. Local airport times.
2027-01-28 → 2027-01-31 · Axel-exclusive $250.00
- Alaska Airlines AS421: SEA 2027-01-28 15:16:00 → DEN 2027-01-28 18:56:00; nonstop; 160 minutes. Local airport times.
- Alaska Airlines AS421: DEN 2027-01-31 19:24:00 → SEA 2027-01-31 21:40:00; nonstop; 196 minutes. Local airport times.
2027-03-13 → 2027-03-20 · Axel-exclusive $147.00
- Frontier Airlines F91916: SEA 2027-03-13 13:37:00 → DEN 2027-03-13 17:26:00; nonstop; 169 minutes. Local airport times.
- Frontier Airlines F9605: DEN 2027-03-20 10:08:00 → SEA 2027-03-20 12:22:00; nonstop; 194 minutes. Local airport times.
2027-03-13 → 2027-03-20 · Axel-exclusive $262.50
- Alaska Airlines AS310: SEA 2027-03-13 19:37:00 → DEN 2027-03-13 23:17:00; nonstop; 160 minutes. Local airport times.
- Alaska Airlines AS309: DEN 2027-03-20 21:42:00 → SEA 2027-03-20 23:49:00; nonstop; 187 minutes. Local airport times.
2027-05-28 → 2027-05-31 · Axel-exclusive $230.00
- Frontier Airlines F91916: SEA 2027-05-28 13:24:00 → DEN 2027-05-28 17:13:00; nonstop; 169 minutes. Local airport times.
- Frontier Airlines F9605: DEN 2027-05-31 10:08:00 → SEA 2027-05-31 12:22:00; nonstop; 194 minutes. Local airport times.
2027-05-28 → 2027-05-31 · Axel-exclusive $356.50
- Southwest Airlines WN3823: SEA 2027-05-28 13:55:00 → DEN 2027-05-28 17:30:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN244: DEN 2027-05-31 15:40:00 → SEA 2027-05-31 17:50:00; nonstop; 190 minutes. Local airport times.
2027-07-30 → 2027-08-02 · Axel-exclusive $200.00
- Frontier Airlines F91916: SEA 2027-07-30 13:24:00 → DEN 2027-07-30 17:13:00; nonstop; 169 minutes. Local airport times.
- Frontier Airlines F9605: DEN 2027-08-02 10:08:00 → SEA 2027-08-02 12:22:00; nonstop; 194 minutes. Local airport times.
2027-07-30 → 2027-08-02 · Axel-exclusive $310.00
- Southwest Airlines WN3823: SEA 2027-07-30 13:55:00 → DEN 2027-07-30 17:30:00; nonstop; 155 minutes. Local airport times.
- Southwest Airlines WN244: DEN 2027-08-02 15:40:00 → SEA 2027-08-02 17:50:00; nonstop; 190 minutes. Local airport times.
2027-09-18 → 2027-09-25 · Axel-exclusive $190.00
- Frontier Airlines F91916: SEA 2027-09-18 13:37:00 → DEN 2027-09-18 17:26:00; nonstop; 169 minutes. Local airport times.
- Frontier Airlines F9605: DEN 2027-09-25 10:08:00 → SEA 2027-09-25 12:22:00; nonstop; 194 minutes. Local airport times.
2027-09-18 → 2027-09-25 · Axel-exclusive $304.00
- Alaska Airlines AS310: SEA 2027-09-18 19:37:00 → DEN 2027-09-18 23:17:00; nonstop; 160 minutes. Local airport times.
- Alaska Airlines AS309: DEN 2027-09-25 21:42:00 → SEA 2027-09-25 23:49:00; nonstop; 187 minutes. Local airport times.
More dates for this route
- Nov 12, 2026 · Return options
- Nov 21, 2026 · Return options
- Dec 1, 2026 · Return options
- Dec 12, 2026 · Return options
- Dec 22, 2026 · Return options
- Jan 1, 2027 · Return options
- Jan 12, 2027 · Return options
- Jan 23, 2027 · Return options
- Feb 13, 2027 · Return options
- May 8, 2027 · Return options
- Jul 3, 2027 · Return options
- Sep 18, 2027 · Return options
- Hotels in Denver with Axel
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- Hawaii: for Christmas · for Thanksgiving · for spring break · for Presidents' Day weekend · in summer · for 4 days · for 5 days · for a week · for 10 days
- Mexico: for Christmas · for Thanksgiving · for spring break · for Presidents' Day weekend · for MLK weekend · in winter · in February · for 4 days · for 5 days · for a week
- The Caribbean: for Christmas · for spring break · for Presidents' Day weekend · in winter · in February · for 4 days · for 5 days · for a week
- Costa Rica: for Christmas · for spring break · in winter · for a week · for 10 days
- Central America: for Christmas · for spring break · in winter · for a week · for 10 days
- Europe: in summer · in May · in September · in December · for spring break · for Christmas · for a week · for 10 days · for two weeks
- Italy: in summer · in May · in June · in September · for Christmas · for a week · for 10 days · for two weeks
- Spain: in summer · in May · in September · for spring break · for a week · for 10 days
- Greece: in summer · in May · in June · in September · for a week · for 10 days · for two weeks
- Portugal: in summer · in May · in September · in winter · for 4 days · for a week · for 10 days
- Croatia: in summer · in June · in September · for a week · for 10 days
- Iceland: in summer · in winter · in September · for 4 days · for a week
- Scandinavia: in summer · in winter · in September · for 4 days · for a week · for 10 days
- Eastern Europe: in summer · in May · in September · in December · for a week · for 10 days
- England: in spring · in summer · in fall · for Christmas · for 4 days · for a week · for 10 days
- Scotland: in summer · in fall · for 4 days · for a week
- Ireland: in spring · in summer · in fall · for Christmas · for 4 days · for a week · for 10 days
- Japan: in April · in November · in winter · in summer · for a week · for 10 days · for two weeks
- Asia: in spring · in fall · in winter · for a week · for 10 days · for two weeks
- Southeast Asia: in winter · in November · in January · in February · for 10 days · for two weeks · for three weeks · for a month
- Thailand: in winter · in November · in January · in February · for 10 days · for two weeks · for three weeks
- Vietnam: in winter · in November · in February · in spring · for 10 days · for two weeks
- Bali: in summer · in winter · for 10 days · for two weeks · for a month
- India: in winter · in December · for two weeks · for a month
- Australia: in December · in January · in February · in September · for two weeks · for three weeks · for a month
- New Zealand: in December · in January · in February · for two weeks · for three weeks
- South America: in January · in February · in winter · for 10 days · for two weeks
- Colombia: in winter · in spring · for a week · for 10 days
- Peru: in summer · in May · in September · for 10 days · for two weeks
- The Middle East: in winter · for a week · for 10 days
- Turkey: in spring · in summer · in fall · for a week · for 10 days
- Africa: in winter · in fall · for 10 days · for two weeks
- South Africa: in winter · in fall · for 10 days · for two weeks
- Morocco: in spring · in fall · in winter · for a week · for 10 days
- Egypt: in winter · in fall · in spring · for a week · for 10 days
- Canada: in summer · in winter · in fall · for 3 days · for 4 days · for a week
- Florida: for spring break · for Christmas · for Thanksgiving · in winter · for 4 days · for 5 days · for a week
- California: for spring break · in summer · in winter · for 3 days · for 4 days · for a week
- Alaska: in summer · in June · in July · in August · for 5 days · for a week · for 10 days
- The Southwest: in spring · in fall · in winter · for spring break · for 3 days · for 4 days · for a week
- Arizona: in spring · in fall · in winter · for spring break · for 3 days · for 4 days · for a week
- Utah: in winter · for Presidents' Day weekend · for MLK weekend · in spring · in summer · for 4 days · for a week
- The Rockies: in summer · in winter · for Presidents' Day weekend · for MLK weekend · for spring break · for 4 days · for a week
- Colorado: in winter · for Presidents' Day weekend · for MLK weekend · for spring break · for 4 days · for a week
- Montana and Wyoming: in summer · in winter · for a week · for 10 days
- Texas: in spring · in fall · for 3 days · for 4 days
- The Northeast: in fall · in summer · for Thanksgiving · for Christmas · for spring break · for 3 days · for 4 days · for a week
- New England: in fall · in summer · for 3 days · for 4 days · for a week
- The Southeast: in spring · in fall · for 3 days · for 4 days
- The Midwest: in summer · for 3 days · for 4 days
- Anywhere: for Thanksgiving · for Christmas · for MLK weekend · for Presidents' Day weekend · for spring break · for Easter weekend · for Memorial Day weekend · for July 4th weekend · for Labor Day weekend · in November · in December · in January · in February · in March · in April · in May · in June · in July · in August · in September · for 4 days · for a week · for two weeks
Fares observed October 28, 2026. USD for the travelers shown.
Where to go from Seattle
Round-trip totals · Economy · USD · 1 adult unless shown. "From" is a starting total: you pick the return in Axel. Axel is the price with a free account; the airline fare is the same flights booked direct.
| Destination | Why go | Flights | Axel-exclusive | Dates | |
|---|---|---|---|---|---|
| Denver (DEN) | Denver's breweries and the Rockies within an hour | Nonstop · United, Alaska, Delta | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
| Aspen (ASE) | Aspen's four ski mountains and summer trails | No nonstop seen | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
| Vail (EGE) | Vail and Beaver Creek skiing | Nonstop · Alaska | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
| Hayden (HDN) | Steamboat Springs' champagne powder and hot springs | Nonstop · Alaska | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
| Montrose (MTJ) | Montrose, the gateway to Telluride and the San Juan Mountains | No nonstop seen | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
| Grand Junction (GJT) | Grand Junction's wineries and Colorado National Monument | No nonstop seen | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
| Colorado Springs (COS) | Colorado Springs' Pikes Peak and Garden of the Gods | 1 stop via Chicago | Axel-exclusive $465 (airline $492) | Jun 26–Jul 3, 2027 | See flights for these dates |
| Durango (DRO) | Durango's narrow-gauge railroad and Purgatory skiing | No nonstop seen | No matching fare saved | Jun 26 – Jul 3, 2027 (suggested) | Search these dates |
The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.
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Hotels in Denver with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Denver has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
Where to stay: Where to stay in Denver: the 6 best neighborhoods, ranked · Denver hotels where a family of four can share one room
Hotel details in Denver: DoubleTree by Hilton Hotel Denver · Holiday Inn Express Denver Downtown by IHG · Plaza Hotel Denver · Staybridge Suites Denver - Cherry Creek by IHG · DoubleTree by Hilton Denver Cherry Creek · All 82 hotels in Denver
For AI assistants
- This page: Flights from Seattle to Colorado in summer. Round-trip fares from Seattle to Colorado in summer: Denver, Aspen, Vail, Hayden, Montrose and Grand Junction and more. Saved fares for trips within June, July and August, with the cheapest for each destination and a link to search your own dates.
- Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.