Non-stop from Seattle to Denver, Colorado (& vice versa) for only $157 roundtrip

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Non-stop flights from Seattle to Denver, Colorado for only $157 roundtrip with United Airlines.

Also works in reverse.

DEPART:
Seattle, USA

ARRIVE:
Denver, USA

RETURN:
Seattle, USA

DATES:
Availability from October 2026 to March 2027 (excluding Christmas/New Year)

Example dates:

Seattle – Denver
7th-14th Oct
8th-15th Oct
9th-16th Oct
10th-17th Oct
13th-20th Oct
14th-21st Oct
16th-23rd Oct
17th-24th Oct
20th-27th Oct
21st-28th Oct
22nd-29th Oct
23rd-30th Oct
24th-31st Oct
27th Oct – 3rd Nov
28th Oct – 4th Nov
30th Oct – 6th Nov
31st Oct – 7th Nov
2nd-9th Nov
3rd-10th Nov
4th-11th Nov
7th-14th Nov
9th-16th Nov
10th-17th Nov
11th-18th Nov
15th-22nd Nov
16th-23rd Nov
2nd-9th Dec
8th-15th Dec
5th-12th Jan
6th-13th Jan
7th-14th Jan
9th-16th Jan
12th-19th Jan
13th-20th Jan
16th-23rd Jan
17th-24th Jan
19th-26th Jan
20th-27th Jan
21st-28th Jan
23rd-30th Jan
24th-31st Jan
25th Jan – 1st Feb
26th Jan – 2nd Feb
27th Jan – 3rd Feb
28th Jan – 4th Feb
29th Jan – 5th Feb
30th Jan – 6th Feb
31st Jan – 7th Feb
2nd-9th Feb
3rd-10th Feb
5th-12th Feb
6th-13th Feb
7th-14th Feb
9th-16th Feb
10th-17th Feb
13th-20th Feb
16th-23rd Feb
17th-24th Feb
19th-26th Feb
20th-27th Feb
23rd Feb – 2nd Mar
2nd-9th Mar
3rd-10th Mar

Denver – Seattle
2nd-9th Oct
3rd-10th Oct
6th-13th Oct
14th-21st Oct
16th-23rd Oct
17th-24th Oct
20th-27th Oct
21st-28th Oct
22nd-29th Oct
23rd-30th Oct
24th-31st Oct
27th Oct – 3rd Nov
28th Oct – 4th Nov
30th Oct – 6th Nov
31st Oct – 7th Nov
3rd-10th Nov
4th-11th Nov
7th-14th Nov
9th-16th Nov
10th-17th Nov
11th-18th Nov
15th-22nd Nov
16th-23rd Nov
27th Nov – 4th Dec
5th-12th Jan
6th-13th Jan
9th-16th Jan
12th-19th Jan
13th-20th Jan
14th-21st Jan
16th-23rd Jan
17th-24th Jan
19th-26th Jan
20th-27th Jan
21st-28th Jan
23rd-30th Jan
24th-31st Jan
26th Jan – 2nd Feb
27th Jan – 3rd Feb
28th Jan – 4th Feb
29th Jan – 5th Feb
30th Jan – 6th Feb
31st Jan – 7th Feb
1st-8th Feb
2nd-9th Feb
3rd-10th Feb
6th-13th Feb
9th-16th Feb
10th-17th Feb
13th-20th Feb
16th-23rd Feb
17th-24th Feb
19th-26th Feb
20th-27th Feb
23rd Feb – 2nd Mar
2nd-9th Mar
3rd-10th Mar

and more…

STOPS:

AIRLINES:
United Airlines