$153+ Cheap flights from San Jose, CA (SJC) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IAD
Nov 11 — Nov 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Jose to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Jose to Dulles Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Jose to Dulles IntlExplore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from San Jose to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:05 pm -
1 stop8h 36m
Sun 12/66:00 am -
1 stop8h 55m
Deal found 10/9![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:02 am -
1 stop7h 37m
Sat 12/56:42 pm -
1 stop19h 09m
Deal found 10/8![Alaska Airlines logo]()
$308
This Expedia deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:07 pm -
2 stops17h 05m
Fri 11/136:46 pm -
1 stop17h 35m
Deal found 10/8![Multiple Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 am -
1 stop8h 59m
Sun 11/16:13 am -
1 stop9h 34m
Deal found 10/11![Delta logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:47 pm -
1 stop9h 57m
Mon 11/167:46 am -
1 stop11h 05m
Deal found 10/7![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:37 am -
1 stop7h 03m
Sun 11/157:05 am -
1 stop9h 11m
Deal found 10/7![Alaska Airlines logo]()
$326
This Priceline deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:37 am -
1 stop10h 22m
Thu 10/226:00 am -
1 stop10h 20m
Deal found 10/10![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop9h 04m
Mon 11/237:00 am -
1 stop8h 53m
Deal found 10/10![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:57 pm -
1 stop8h 45m
Tue 10/206:00 am -
1 stop8h 44m
Deal found 10/8![Delta logo]()
$335
This Expedia deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:15 pm -
2 stops13h 05m
Mon 11/26:46 pm -
1 stop17h 35m
Deal found 10/8![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
1 stop8h 14m
Mon 11/235:30 pm -
1 stop8h 29m
Deal found 10/7![United Airlines logo]()
$339
This Travelocity deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:38 am -
1 stop27h 01m
Tue 1/56:53 pm -
2 stops21h 46m
Deal found 10/8![Alaska Airlines logo]()
$341
Best flights from San Jose to Dulles IntlDiscover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from San Jose to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:05 pm -
1 stop8h 36m
Sun 12/67:00 am -
1 stop10h 10m
Deal found 10/10![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
1 stop8h 14m
Mon 11/235:30 pm -
1 stop8h 29m
Deal found 10/7![United Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:59 pm -
1 stop18h 40m
Mon 12/77:00 am -
2 stops17h 07m
Deal found 10/10![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:30 pm -
1 stop8h 25m
Mon 12/75:02 pm -
1 stop8h 11m
Deal found 10/10![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 am -
1 stop8h 59m
Sun 11/16:13 am -
1 stop9h 34m
Deal found 10/11![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:31 am -
1 stop9h 35m
Wed 10/286:13 am -
1 stop9h 34m
Deal found 10/9![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:59 am -
2 stops26h 40m
Sun 12/66:42 pm -
1 stop19h 18m
Deal found 10/10![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:57 pm -
1 stop8h 45m
Thu 11/127:00 am -
1 stop9h 58m
Deal found 10/8![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:37 am -
1 stop10h 22m
Tue 10/209:38 am -
1 stop11h 23m
Deal found 10/7![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:40 pm -
1 stop6h 55m
Mon 11/27:05 am -
2 stops13h 33m
Deal found 10/8![Delta logo]()
$401
Last-minute flights from San Jose to Dulles IntlDiscover last-minute flight deals from San Jose to Dulles Intl. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Dulles Intl. Data last updated October 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:57 pm -
1 stop8h 45m
Tue 10/206:00 am -
1 stop8h 44m
Deal found 10/8![Delta logo]()
$335
This Priceline deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:37 am -
1 stop10h 22m
Thu 10/226:00 am -
1 stop10h 20m
Deal found 10/10![Multiple Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 am -
1 stop8h 14m
Mon 11/235:30 pm -
1 stop8h 29m
Deal found 10/7![United Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:15 pm -
2 stops13h 05m
Mon 11/26:46 pm -
1 stop17h 35m
Deal found 10/8![Multiple Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 am -
1 stop8h 59m
Sun 11/16:13 am -
1 stop9h 34m
Deal found 10/11![Delta logo]()
$320
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:14 pm -
1 stop7h 16m
Mon 11/95:29 pm -
1 stop8h 30m
Deal found 10/9![United Airlines logo]()
$305
This Expedia deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:07 pm -
2 stops17h 05m
Fri 11/136:46 pm -
1 stop17h 35m
Deal found 10/8![Multiple Airlines logo]()
$313
This Expedia deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:07 pm -
2 stops17h 05m
Thu 11/127:32 am -
2 stops15h 40m
Deal found 10/8![Frontier logo]()
$342
This Expedia deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:07 pm -
2 stops17h 05m
Tue 11/107:46 am -
1 stop11h 05m
Deal found 10/9![Multiple Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:47 pm -
1 stop9h 57m
Mon 11/167:46 am -
1 stop11h 05m
Deal found 10/7![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:37 am -
1 stop7h 03m
Sun 11/157:05 am -
1 stop9h 11m
Deal found 10/7![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop9h 04m
Mon 11/237:00 am -
1 stop8h 53m
Deal found 10/10![Delta logo]()
$332
One-way flights from San Jose to Dulles IntlSearch for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from San Jose to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:57 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$153
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:07 pm -
2 stops17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:41 pm -
2 stops17h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$158
This Frontier deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:15 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$164
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:08 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$168
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:10 pm -
2 stops11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$169
This Delta deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:57 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$170
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:30 am -
1 stop7h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$172
This Frontier deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:07 pm -
2 stops17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$176
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:40 pm -
1 stop7h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Delta logo]()
$180
Find flight deals from San Jose to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Delta) |
One-way from | $153 (Delta) |
Popular in | November |
Cheapest in | May |
Average price | $403 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Jose to Dulles Intl 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, Cheapflights users made 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from San Jose to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Fri 1/8
6:30 am-6:26 pm
1 stop8h 56m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sun 11/8
10:40 pm-9:09 am
1 stop7h 29m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Thu 11/5
12:57 pm-12:42 am
1 stop8h 45m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sun 11/1
12:57 pm-12:42 am
1 stop8h 45m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Wed 1/6
11:33 am-11:51 pm
1 stop9h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 1/9
11:33 am-11:51 pm
1 stop9h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sun 11/15
10:40 pm-9:09 am
1 stop7h 29m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Tue 11/3
7:31 am-8:06 pm
1 stop9h 35m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 11/7
6:30 am-5:10 pm
1 stop7h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$153
Quickest round-trip
San JoseWashington, D.C.
SJC San Jose - IAD Washington, D.C. Dulles Intl
SJCIAD
San Jose
Sat 10/31
1:00 pm-11:15 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$168
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from San Jose to Dulles Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Dulles Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Jose, California-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Jose to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Jose with our price prediction graph.
SJC-IAD
Estimated round-trip 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.
Cheapflights Insights
Everything you need to know about your flight from San Jose to Washington, D.C. Dulles Intl Airport
Prices
More
What is the cheapest month to book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport?
Currently, May is the cheapest month in which you can book a flight from San Jose, California to Washington, D.C. Dulles Intl Airport (average of $356). Flying from San Jose, California to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $771). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Jose, California to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
San Jose, California to Washington, D.C. Dulles Intl Airport flights typically cost between $329 and $678 in December.The cheapest round-trip price found within the last 5 days was $305 on Delta (Dec 2-Dec 6).
What’s the top layover airport for flights from San Jose, California to Washington, D.C. Dulles Intl Airport?
Share of 1-stop round-trip flights from San Jose, California to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 71% of 1-stop itineraries from San Jose, California to Washington, D.C. Dulles Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from San Jose, California to Washington, D.C. Dulles Intl Airport?
Average round-trip fare for 1-stop flights from San Jose, California to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $309.
What’s the fastest layover option from San Jose, California to Washington, D.C. Dulles Intl Airport?
Shortest average travel time for 1-stop one-way flights from San Jose, California to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 34m.
Which airport typically offers the quickest layover for flights from San Jose, California to Washington, D.C. Dulles Intl Airport?
Average layover duration for 1-stop one-way flights from San Jose, California to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 15m.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated October 12, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from San Jose to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from San Jose to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Chantilly
Arlington
Woodbridge
Owings Mills
Lanham
Sterling
Tysons
Herndon
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Oxon Hill
Laurel
Towson
Clinton
Hunt Valley
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Dulles Intl flight routes
Flights by cabin class
Other flight options
Other flights from San Jose
Popular flights
Alternative routes for San Jose to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Search flights from San Jose to Dulles Intl by cabin class
Find flights from San Jose to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Jose and Dulles Intl flights
Browse other San Jose and Dulles Intl flight options. Last updated on October 12, 2026.
Other flights from San Jose
Browse through other flights departing from San Jose. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from San Jose to Dulles Intl
Discover the top 5 airlines that operate flights from San Jose to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$174 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$251 | Average$375 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$277 | Average$548 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$414 | FlexibilityNo cancel fee | On-time75% |