฿3,319+ Cheap flights from Denver
This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — BKK
9 Nov — 16 Nov1
Find flights from Denver within your budget
Find flights departing from Denver that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 10 October 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 searches
Fly to
Route
Depart
Return
Cheapest return flight
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Wed 4/11
18:45-22:43
1 stop4h 58m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿3,319
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Sat 31/10
16:35-18:05
Nonstop2h 30m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿3,319
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Sat 7/11
18:00-22:40
1 stop5h 40m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿3,319
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Tue 17/11
08:50-13:00
2 stops5h 10m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿3,655
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Mon 26/10
10:45-15:56
1 stop6h 11m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿3,722
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Mon 26/10
20:50-00:10
1 stop4h 20m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿3,722
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Wed 7/4
08:20-09:45
Nonstop2h 25m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿4,526
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Wed 9/12
05:25-14:51
2 stops10h 26m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿4,593
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Fri 4/12
05:25-22:52
2 stops18h 27m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿4,795
DenverSan Diego
DEN Denver Intl - SAN San Diego
DENSAN
Denver Intl
Wed 7/4
05:40-09:06
1 stop4h 26m
San Diego
Wed 31/12
00:00-01:00
Nonstop0h 00m
฿4,862
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Denver
Have a flexible travel schedule? Discover the best time to fly from Denver with our price prediction graph.
DEN-BKK
DEN-SAN
DEN-GRR
DEN-CNX
DEN-NRT
Estimated return 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.
Travel insights for flights from Denver
Get recent, data-driven insights about flights from Denver including ideal travel times, pricing trends, and more.
DEN-BKK
DEN-SAN
DEN-GRR
DEN-CNX
DEN-NRT
What is the cheapest month to book a flight from Denver?
Currently, April is the cheapest month in which you can book a flight from Denver (average of ฿30,377). Flying from Denver in December will prove the most costly (average of ฿52,304). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
What are popular destinations to fly to from Denver?
If you’re flying from Denver, these routes are more frequently taken by airlines Chicago (976 flights per day), Los Angeles (593 flights per day) and San Francisco (339 flights per day).
What is the cheapest place to fly to from Denver?
The cheapest city to fly to from Denver is Hollywood Burbank, with prices starting at ฿7,805. Explore other affordable destinations below.
When is the best time to book a flight from Denver?
Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Browse thousands of different options on Cheapflights for your next trip
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Direct flights from Colorado
Book a direct flight from one of these other cities located in Colorado.
Airports servicing Denver
Fly out of one of these airports located in Denver.
Fly from other United States cities
Consider departing from one of these cities also located in United States. Flight origins are based on user searches made on Cheapflights and were last updated on 10 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Related info for your journey
Access useful and relevant information related to your journey from Denver. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 10 October 2026.
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Can Cheapflights find flights from Denver with no change fees?
Yes! Cheapflights helps users easily find flights from Denver with no change fees.
Can Cheapflights notify me if prices for flights from Denver become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Denver today and book when you’re ready!