Flights from the Union, CA area to the Boulder, CO area

19 airport combinations found. Here are the flights you might consider:

$476 San Francisco International Airport
Located in San Francisco, California
to Denver International Airport
Located in Denver, Colorado
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Estimated RoundTrip Airfare: $393

Plus Additional Driving Miles: 82 Estimated Driving Cost: $83

About the driving portion: It is 49 miles from Union to San Francisco International Airport. Once at your destination (Denver International Airport) you will need to drive 33 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between San Francisco International Airport and Denver International Airport is $207.00. FareMeasure estimates a round trip ticket will cost you about $393. The total price shown above in green combines both the driving cost and estimated airfare.



$503 Norman Y. Mineta San José International Airport
Located in San Jose, California
to Denver International Airport
Located in Denver, Colorado
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Estimated RoundTrip Airfare: $399

Plus Additional Driving Miles: 103 Estimated Driving Cost: $104

About the driving portion: It is 69 miles from Union to Norman Y. Mineta San José International Airport. Once at your destination (Denver International Airport) you will need to drive 33 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Norman Y. Mineta San José International Airport and Denver International Airport is $210.00. FareMeasure estimates a round trip ticket will cost you about $399. The total price shown above in green combines both the driving cost and estimated airfare.



$474 Sacramento International Airport
Located in Sacramento, California
to Denver International Airport
Located in Denver, Colorado
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Estimated RoundTrip Airfare: $393

Plus Additional Driving Miles: 80 Estimated Driving Cost: $81

About the driving portion: It is 47 miles from Union to Sacramento International Airport. Once at your destination (Denver International Airport) you will need to drive 33 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Sacramento International Airport and Denver International Airport is $207.00. FareMeasure estimates a round trip ticket will cost you about $393. The total price shown above in green combines both the driving cost and estimated airfare.



$458 Oakland International Airport
Located in Oakland (near San Francisco), California
to Denver International Airport
Located in Denver, Colorado
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Estimated RoundTrip Airfare: $382

Plus Additional Driving Miles: 75 Estimated Driving Cost: $76

About the driving portion: It is 42 miles from Union to Oakland International Airport. Once at your destination (Denver International Airport) you will need to drive 33 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Oakland International Airport and Denver International Airport is $201.00. FareMeasure estimates a round trip ticket will cost you about $382. The total price shown above in green combines both the driving cost and estimated airfare.



$554 Reno-Tahoe International Airport
Located in Reno, Nevada
to Denver International Airport
Located in Denver, Colorado
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Estimated RoundTrip Airfare: $359

Plus Additional Driving Miles: 193 Estimated Driving Cost: $195

About the driving portion: It is 160 miles from Union to Reno-Tahoe International Airport. Once at your destination (Denver International Airport) you will need to drive 33 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Reno-Tahoe International Airport and Denver International Airport is $189.00. FareMeasure estimates a round trip ticket will cost you about $359. The total price shown above in green combines both the driving cost and estimated airfare.



$680 San Francisco International Airport
Located in San Francisco, California
to Colorado Springs Airport
Located in Colorado Springs, Colorado
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Estimated RoundTrip Airfare: $542

Plus Additional Driving Miles: 137 Estimated Driving Cost: $139

About the driving portion: It is 49 miles from Union to San Francisco International Airport. Once at your destination (Colorado Springs Airport) you will need to drive 89 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between San Francisco International Airport and Colorado Springs Airport is $285.00. FareMeasure estimates a round trip ticket will cost you about $542. The total price shown above in green combines both the driving cost and estimated airfare.



$901 San Francisco International Airport
Located in San Francisco, California
to Aspen-Pitkin County Airport
Located in Aspen, Colorado
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Estimated RoundTrip Airfare: $751

Plus Additional Driving Miles: 149 Estimated Driving Cost: $151

About the driving portion: It is 49 miles from Union to San Francisco International Airport. Once at your destination (Aspen-Pitkin County Airport) you will need to drive 101 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between San Francisco International Airport and Aspen-Pitkin County Airport is $395.00. FareMeasure estimates a round trip ticket will cost you about $751. The total price shown above in green combines both the driving cost and estimated airfare.



$729 Monterey Peninsula Airport
Located in Monterey, California
to Denver International Airport
Located in Denver, Colorado
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Estimated RoundTrip Airfare: $572

Plus Additional Driving Miles: 156 Estimated Driving Cost: $157

About the driving portion: It is 122 miles from Union to Monterey Peninsula Airport. Once at your destination (Denver International Airport) you will need to drive 33 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Monterey Peninsula Airport and Denver International Airport is $301.00. FareMeasure estimates a round trip ticket will cost you about $572. The total price shown above in green combines both the driving cost and estimated airfare.



$669 Sacramento International Airport
Located in Sacramento, California
to Colorado Springs Airport
Located in Colorado Springs, Colorado
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Estimated RoundTrip Airfare: $532

Plus Additional Driving Miles: 136 Estimated Driving Cost: $137

About the driving portion: It is 47 miles from Union to Sacramento International Airport. Once at your destination (Colorado Springs Airport) you will need to drive 89 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Sacramento International Airport and Colorado Springs Airport is $280.00. FareMeasure estimates a round trip ticket will cost you about $532. The total price shown above in green combines both the driving cost and estimated airfare.



$760 San Francisco International Airport
Located in San Francisco, California
to Durango-La Plata County Airport
Located in Durango, Colorado
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Estimated RoundTrip Airfare: $471

Plus Additional Driving Miles: 286 Estimated Driving Cost: $289

About the driving portion: It is 49 miles from Union to San Francisco International Airport. Once at your destination (Durango-La Plata County Airport) you will need to drive 238 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between San Francisco International Airport and Durango-La Plata County Airport is $248.00. FareMeasure estimates a round trip ticket will cost you about $471. The total price shown above in green combines both the driving cost and estimated airfare.



$886 Norman Y. Mineta San José International Airport
Located in San Jose, California
to Colorado Springs Airport
Located in Colorado Springs, Colorado
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Estimated RoundTrip Airfare: $726

Plus Additional Driving Miles: 158 Estimated Driving Cost: $160

About the driving portion: It is 69 miles from Union to Norman Y. Mineta San José International Airport. Once at your destination (Colorado Springs Airport) you will need to drive 89 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Norman Y. Mineta San José International Airport and Colorado Springs Airport is $382.00. FareMeasure estimates a round trip ticket will cost you about $726. The total price shown above in green combines both the driving cost and estimated airfare.



$749 San Francisco International Airport
Located in San Francisco, California
to Walker Field
Located in Grand Junction, Colorado
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Estimated RoundTrip Airfare: $515

Plus Additional Driving Miles: 232 Estimated Driving Cost: $234

About the driving portion: It is 49 miles from Union to San Francisco International Airport. Once at your destination (Walker Field) you will need to drive 183 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between San Francisco International Airport and Walker Field is $271.00. FareMeasure estimates a round trip ticket will cost you about $515. The total price shown above in green combines both the driving cost and estimated airfare.



$758 Sacramento International Airport
Located in Sacramento, California
to Walker Field
Located in Grand Junction, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $526

Plus Additional Driving Miles: 230 Estimated Driving Cost: $232

About the driving portion: It is 47 miles from Union to Sacramento International Airport. Once at your destination (Walker Field) you will need to drive 183 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Sacramento International Airport and Walker Field is $277.00. FareMeasure estimates a round trip ticket will cost you about $526. The total price shown above in green combines both the driving cost and estimated airfare.



$777 Norman Y. Mineta San José International Airport
Located in San Jose, California
to Walker Field
Located in Grand Junction, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $523

Plus Additional Driving Miles: 252 Estimated Driving Cost: $255

About the driving portion: It is 69 miles from Union to Norman Y. Mineta San José International Airport. Once at your destination (Walker Field) you will need to drive 183 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Norman Y. Mineta San José International Airport and Walker Field is $275.00. FareMeasure estimates a round trip ticket will cost you about $523. The total price shown above in green combines both the driving cost and estimated airfare.



$725 Oakland International Airport
Located in Oakland (near San Francisco), California
to Walker Field
Located in Grand Junction, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $498

Plus Additional Driving Miles: 225 Estimated Driving Cost: $227

About the driving portion: It is 42 miles from Union to Oakland International Airport. Once at your destination (Walker Field) you will need to drive 183 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Oakland International Airport and Walker Field is $262.00. FareMeasure estimates a round trip ticket will cost you about $498. The total price shown above in green combines both the driving cost and estimated airfare.



$815 Norman Y. Mineta San José International Airport
Located in San Jose, California
to Durango-La Plata County Airport
Located in Durango, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $505

Plus Additional Driving Miles: 307 Estimated Driving Cost: $310

About the driving portion: It is 69 miles from Union to Norman Y. Mineta San José International Airport. Once at your destination (Durango-La Plata County Airport) you will need to drive 238 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Norman Y. Mineta San José International Airport and Durango-La Plata County Airport is $266.00. FareMeasure estimates a round trip ticket will cost you about $505. The total price shown above in green combines both the driving cost and estimated airfare.



$727 Oakland International Airport
Located in Oakland (near San Francisco), California
to Durango-La Plata County Airport
Located in Durango, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $445

Plus Additional Driving Miles: 279 Estimated Driving Cost: $282

About the driving portion: It is 42 miles from Union to Oakland International Airport. Once at your destination (Durango-La Plata County Airport) you will need to drive 238 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Oakland International Airport and Durango-La Plata County Airport is $234.00. FareMeasure estimates a round trip ticket will cost you about $445. The total price shown above in green combines both the driving cost and estimated airfare.



$818 Oakland International Airport
Located in Oakland (near San Francisco), California
to Colorado Springs Airport
Located in Colorado Springs, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $686

Plus Additional Driving Miles: 131 Estimated Driving Cost: $132

About the driving portion: It is 42 miles from Union to Oakland International Airport. Once at your destination (Colorado Springs Airport) you will need to drive 89 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Oakland International Airport and Colorado Springs Airport is $361.00. FareMeasure estimates a round trip ticket will cost you about $686. The total price shown above in green combines both the driving cost and estimated airfare.



$862 Norman Y. Mineta San José International Airport
Located in San Jose, California
to Aspen-Pitkin County Airport
Located in Aspen, Colorado
Map this drive-flight combination   |   View airlines, price history for this flight

Estimated RoundTrip Airfare: $690

Plus Additional Driving Miles: 170 Estimated Driving Cost: $172

About the driving portion: It is 69 miles from Union to Norman Y. Mineta San José International Airport. Once at your destination (Aspen-Pitkin County Airport) you will need to drive 101 miles to get to Boulder. The price above assumes you'll be making a round trip, so driving miles have been doubled.

About the flight: The average one-way fare between Norman Y. Mineta San José International Airport and Aspen-Pitkin County Airport is $363.00. FareMeasure estimates a round trip ticket will cost you about $690. The total price shown above in green combines both the driving cost and estimated airfare.



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