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Cheap flights from Washington, D.C. Dulles Intl Airport to San Jose from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Jose departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Jose

Cheap round-trip flights

Alaska Airlines Logo
7:43 am - 1:45 pmIAD-SJC
9h 02m1 stop
Alaska Airlines Logo
7:00 am - 5:13 pmSJC-IAD
7h 13m1 stop
$232Alaska Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 4
Alaska Airlines Logo
5:51 pm - 10:27 pmIAD-SJC
7h 36m1 stop
Alaska Airlines Logo
7:00 am - 5:25 pmSJC-IAD
7h 25m1 stop
$243Alaska Airlines
Find Deal
Sat, Feb 14 - Sat, Feb 21
Southwest Logo
4:50 pm - 9:20 pmIAD-SJC
7h 30m1 stop
Southwest Logo
12:45 pm - 10:15 pmSJC-IAD
6h 30m1 stop
$244Southwest
Find Deal
Fri, Oct 31 - Sat, Nov 8
Frontier Logo
6:10 am - 11:30 amIAD-SJC
32h 20m2 stops
Frontier Logo
12:26 pm - 11:16 pmSJC-IAD
31h 50m2 stops
$247Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
American Airlines Logo
8:09 am - 6:29 pmIAD-SJC
13h 20m2 stops
American Airlines Logo
6:00 am - 4:11 pmSJC-IAD
7h 11m1 stop
$249American Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 8
Southwest Logo
5:00 pm - 9:30 pmIAD-SJC
7h 30m1 stop
Southwest Logo
6:35 am - 5:05 pmSJC-IAD
7h 30m1 stop
$251Southwest
Find Deal
Sat, Nov 1 - Tue, Nov 4
Delta Logo
7:35 am - 3:57 pmIAD-SJC
11h 22m1 stop
Delta Logo
1:15 pm - 11:33 pmSJC-IAD
7h 18m1 stop
$277Delta
Find Deal
Sat, Oct 18 - Sat, Oct 25
American Airlines Logo
8:09 am - 6:29 pmIAD-SJC
13h 20m2 stops
American Airlines Logo
6:00 am - 7:21 pmSJC-IAD
10h 21m2 stops
$278American Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 8
Delta Logo
7:35 am - 3:57 pmIAD-SJC
11h 22m1 stop
Delta Logo
7:35 pm - 9:00 amSJC-IAD
10h 25m2 stops
$282Delta
Find Deal
Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
6:01 am - 12:01 pmIAD-SJC
9h 00m1 stop
United Airlines Logo
1:00 pm - 11:51 pmSJC-IAD
7h 51m1 stop
$327United Airlines
Find Deal
Tue, Oct 7 - Thu, Oct 9

Delta flights from Washington, D.C. Dulles Intl Airport to San Jose

Our best Delta deals on Washington, D.C. Dulles Intl Airport to San Jose flight tickets
Delta
Oct 18
IAD7:35 amWashington, D.C. Dulles Intl
11h 22m
1 stop
SJC3:57 pmSan Jose
Oct 25
SJC1:15 pmSan Jose
7h 18m
1 stop
IAD11:33 pmWashington, D.C. Dulles Intl
$277
Find similar
Delta
Oct 18
IAD7:35 amWashington, D.C. Dulles Intl
11h 22m
1 stop
SJC3:57 pmSan Jose
Oct 21
SJC7:35 pmSan Jose
10h 25m
2 stops
IAD9:00 amWashington, D.C. Dulles Intl
$282
Find similar
Delta
Oct 30
IAD6:05 amWashington, D.C. Dulles Intl
9h 42m
2 stops
SJC12:47 pmSan Jose
Nov 4
SJC9:50 amSan Jose
10h 10m
2 stops
IAD11:00 pmWashington, D.C. Dulles Intl
$287
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to San Jose

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to San Jose flight tickets
United Airlines
Oct 7
IAD6:01 amWashington, D.C. Dulles Intl
9h 00m
1 stop
SJC12:01 pmSan Jose
Oct 9
SJC1:00 pmSan Jose
7h 51m
1 stop
IAD11:51 pmWashington, D.C. Dulles Intl
$327
Find similar
United Airlines
Sep 24
IAD12:35 pmWashington, D.C. Dulles Intl
7h 42m
1 stop
SJC5:17 pmSan Jose
Sep 30
SJC6:30 amSan Jose
12h 36m
2 stops
IAD10:06 pmWashington, D.C. Dulles Intl
$466
Find similar
United Airlines
Sep 25
IAD6:01 amWashington, D.C. Dulles Intl
9h 00m
1 stop
SJC12:01 pmSan Jose
Sep 28
SJC6:30 amSan Jose
14h 21m
2 stops
IAD11:51 pmWashington, D.C. Dulles Intl
$700
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to San Jose 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Wed 10/29

7:43 am-1:45 pm

1 stop9h 02m

San Jose

Tue 11/4

7:00 am-5:13 pm

1 stop7h 13m

$232

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 2/14

5:51 pm-10:27 pm

1 stop7h 36m

San Jose

Sat 2/21

7:00 am-5:25 pm

1 stop7h 25m

$243

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Fri 10/31

4:50 pm-9:20 pm

1 stop7h 30m

San Jose

Sat 11/8

12:45 pm-10:15 pm

1 stop6h 30m

$244

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Thu 10/2

6:10 am-11:30 am

2 stops32h 20m

San Jose

Sun 10/5

12:26 pm-11:16 pm

2 stops31h 50m

$247

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Fri 10/31

8:09 am-6:29 pm

2 stops13h 20m

San Jose

Sat 11/8

6:00 am-4:11 pm

1 stop7h 11m

$249

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 11/1

5:00 pm-9:30 pm

1 stop7h 30m

San Jose

Tue 11/4

6:35 am-5:05 pm

1 stop7h 30m

$251

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 10/18

7:35 am-3:57 pm

1 stop11h 22m

San Jose

Sat 10/25

1:15 pm-11:33 pm

1 stop7h 18m

$277

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Fri 10/31

8:09 am-6:29 pm

2 stops13h 20m

San Jose

Sat 11/8

6:00 am-7:21 pm

2 stops10h 21m

$278

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Sat 10/18

7:35 am-3:57 pm

1 stop11h 22m

San Jose

Tue 10/21

7:35 pm-9:00 am

2 stops10h 25m

$282

Washington, D.C.San Jose

IAD - SJC

IADSJC

Washington, D.C. Dulles Intl

Tue 10/7

6:01 am-12:01 pm

1 stop9h 00m

San Jose

Thu 10/9

1:00 pm-11:51 pm

1 stop7h 51m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Jose from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Jose

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Jose?

In general, August is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to San Jose. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $295. If you aren’t able to travel to San Jose during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $318.

What is the cheapest day to depart on your flight to San Jose?

The cheapest day to depart on your flight to San Jose is on a Saturday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Jose on Sunday is $507.

What is the cheapest time of day to depart on your flight to San Jose?

Our most recent data shows that the best time of day to fly to San Jose is in the evening. Flights from Washington, D.C. Dulles Intl Airport to San Jose during this time can be as low as $178. In contrast, the most expensive time of day to depart to San Jose is in the afternoon when prices are around $453.

How far in advance should I book a flight to San Jose?

You are more likely to see cheaper flights to San Jose from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose from Washington, D.C. Dulles Intl Airport for as low as $293 on momondo.

How have Washington, D.C. Dulles Intl Airport to San Jose flight prices changed over time?

As of September 2025, prices for Washington, D.C. Dulles Intl Airport to San Jose flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to San Jose

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San Jose according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to San Jose (IAD to SJC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Jose

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to San Jose. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to San Jose.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to San Jose by plane?

    A flight from Washington, D.C. Dulles Intl to San Jose will travel around 2391.6 mi. Typically, this will take 7h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Jose Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to San Jose Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Jose Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Jose Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Jose?

Best airlines flying from Washington, D.C. Dulles Intl Airport to San Jose

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Jose with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $135Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $221Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $224Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Jose?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to San Jose. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to San Jose with flexible booking policies on momondo?

All flight searches from Washington, D.C. to San Jose on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Jose?

momondo helps you find the best flight between Washington, D.C. and San Jose by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to San Jose right now. Can momondo alert me if prices change?

Price alerts on flights to San Jose from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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