$138+ Cheap flights from San Jose, CA (SJC) to Dulles Intl (IAD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IAD
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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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 June 16, 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 June 16, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/126:37 pm
SJC
- IAD
1 stop7h 48m
United Airlines
Wed 8/192:43 pm
IAD
- SJC
1 stop9h 14m
United Airlines
Deal found 6/14![United Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/16. 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 8/106:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Mon 8/315:15 pm
IAD
- SJC
1 stop8h 35m
United Airlines
Deal found 6/16![United Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 6/14. 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 8/1911:37 am
SJC
- IAD
1 stop9h 22m
Delta
Sun 8/306:00 am
IAD
- SJC
1 stop9h 09m
Delta
Deal found 6/14![Delta logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 10/156:31 am
SJC
- IAD
1 stop8h 22m
Alaska Airlines
Tue 10/207:00 am
IAD
- SJC
1 stop11h 52m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Thu 8/132:12 pm
SJC
- IAD
1 stop15h 08m
Frontier
Fri 8/219:20 am
IAD
- SJC
2 stops29h 42m
Frontier
Deal found 6/14![Frontier logo]()
$298
This Delta deal was found by Cheapflights users on 6/12. 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 10/1511:33 am
SJC
- IAD
1 stop9h 18m
Delta
Sun 10/187:05 am
IAD
- SJC
1 stop10h 04m
Delta
Deal found 6/12![Delta logo]()
$302
This CheapOair deal was found by Cheapflights users on 6/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:17 pm
SJC
- IAD
1 stop18h 57m
Alaska Airlines
Wed 9/27:35 pm
IAD
- SJC
1 stop16h 48m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$305
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Thu 8/137:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Thu 8/202:12 pm
SJC
- IAD
1 stop14h 38m
Frontier
Sun 8/309:20 am
IAD
- SJC
1 stop30h 57m
Frontier
Deal found 6/14![Frontier logo]()
$311
This Delta deal was found by Cheapflights users on 6/14. 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.
Mon 8/1710:20 pm
SJC
- IAD
1 stop8h 00m
Delta
Tue 9/16:00 am
IAD
- SJC
1 stop8h 22m
Delta
Deal found 6/14![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/12. 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 10/317:15 am
SJC
- IAD
1 stop8h 11m
Delta
Sun 11/156:00 am
IAD
- SJC
1 stop8h 56m
Delta
Deal found 6/12![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/182:10 pm
SJC
- IAD
1 stop7h 34m
United Airlines
Tue 9/12:43 pm
IAD
- SJC
1 stop9h 14m
United Airlines
Deal found 6/14![United Airlines logo]()
$314
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 June 16, 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 June 16, 2026.
This Delta deal was found by Cheapflights users on 6/13. 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 8/610:20 pm
SJC
- IAD
1 stop8h 00m
Delta
Wed 8/126:00 am
IAD
- SJC
1 stop9h 09m
Delta
Deal found 6/13![Delta logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 7/148:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Tue 7/217:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/176:37 pm
SJC
- IAD
1 stop7h 48m
United Airlines
Mon 8/245:15 pm
IAD
- SJC
1 stop8h 35m
United Airlines
Deal found 6/15![United Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 7/288:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Tue 8/47:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/116:20 am
SJC
- IAD
1 stop8h 17m
United Airlines
Wed 8/123:40 pm
IAD
- SJC
1 stop10h 10m
United Airlines
Deal found 6/13![United Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 9/25:06 pm
SJC
- IAD
2 stops21h 42m
Alaska Airlines
Mon 9/77:35 pm
IAD
- SJC
1 stop16h 48m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 8/179:38 pm
SJC
- IAD
2 stops17h 49m
Alaska Airlines
Mon 8/242:53 pm
IAD
- SJC
2 stops11h 03m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 7/209:38 pm
SJC
- IAD
2 stops17h 59m
Alaska Airlines
Wed 7/297:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$400
Last-minute flights from San Jose to Dulles IntlDiscover last-minute flight deals from San Jose to Dulles Intl. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Jose to Dulles Intl. Data last updated June 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 6/2411:29 am
SJC
- IAD
1 stop9h 56m
Delta
Tue 6/306:00 am
IAD
- SJC
1 stop8h 36m
Delta
Deal found 6/11![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 6/12. 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 6/2810:00 pm
SJC
- IAD
1 stop8h 21m
Delta
Fri 7/36:00 pm
IAD
- SJC
1 stop7h 57m
Delta
Deal found 6/12![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 6/16. 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.
Mon 6/2912:46 pm
SJC
- IAD
1 stop8h 58m
Delta
Sat 7/46:00 am
IAD
- SJC
1 stop8h 36m
Delta
Deal found 6/16![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Tue 7/147:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 6/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Tue 8/47:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/16. 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 7/912:40 pm
SJC
- IAD
1 stop9h 01m
Delta
Wed 8/57:10 am
IAD
- SJC
1 stop18h 40m
Delta
Deal found 6/16![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 6/14. 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 7/1610:00 pm
SJC
- IAD
1 stop8h 26m
Delta
Mon 8/177:00 am
IAD
- SJC
1 stop8h 54m
Delta
Deal found 6/14![Delta logo]()
$339
This Expedia deal was found by Cheapflights users on 6/12. 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 7/177:13 am
SJC
- IAD
2 stops12h 39m
Alaska Airlines
Mon 7/207:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 7/2910:00 pm
SJC
- IAD
1 stop8h 26m
Delta
Mon 8/177:00 am
IAD
- SJC
1 stop8h 54m
Delta
Deal found 6/11![Delta logo]()
$327
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Sat 8/158:00 pm
IAD
- SJC
1 stop16h 26m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$335
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:38 pm
SJC
- IAD
2 stops17h 59m
Alaska Airlines
Wed 8/127:53 pm
IAD
- SJC
1 stop16h 33m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Tue 8/119:30 am
IAD
- SJC
1 stop10h 02m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$349
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 June 16, 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 June 16, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/126:37 pm
SJC
- IAD
1 stop7h 48m
United Airlines
Deal found 6/14![United Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/86:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Deal found 6/16![United Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 6/14. 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 7/46:35 am
SJC
- IAD
1 stop10h 23m
Delta
Deal found 6/14![Delta logo]()
$148
This CheapOair deal was found by Cheapflights users on 6/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:29 am
SJC
- IAD
1 stop7h 45m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$153
This CheapOair deal was found by Cheapflights users on 6/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:17 pm
SJC
- IAD
1 stop18h 57m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$158
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 8/306:37 pm
SJC
- IAD
1 stop7h 48m
United Airlines
Deal found 6/14![United Airlines logo]()
$167
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$168
This Delta deal was found by Cheapflights users on 6/16. 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 7/2910:00 pm
SJC
- IAD
1 stop8h 26m
Delta
Deal found 6/16![Delta logo]()
$170
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/31:10 pm
SJC
- IAD
1 stop8h 21m
United Airlines
Deal found 6/13![United Airlines logo]()
$172
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:12 pm
SJC
- IAD
1 stop19h 33m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$173
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/66:37 pm
SJC
- IAD
1 stop7h 50m
United Airlines
Deal found 6/12![United Airlines logo]()
$176
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 7/297:13 am
SJC
- IAD
1 stop8h 32m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$185
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (United Airlines) |
One-way from | $138 (United Airlines) |
Popular in | February |
Cheapest in | May |
Average price | $488 |
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 2,558,603 searches. Data last updated June 16, 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 - IAD
SJCIAD
San Jose
Thu 8/6
10:20 pm-9:20 am
1 stop8h 00m
Washington, D.C. Dulles Intl
Wed 8/12
6:00 am-12:09 pm
1 stop9h 09m
$285
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 7/14
8:12 pm-6:45 pm
1 stop19h 33m
Washington, D.C. Dulles Intl
Tue 7/21
7:53 pm-9:26 am
1 stop16h 33m
$337
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 7/28
8:12 pm-6:45 pm
1 stop19h 33m
Washington, D.C. Dulles Intl
Tue 8/4
7:53 pm-9:26 am
1 stop16h 33m
$337
Quickest round-trip
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Mon 8/17
6:37 pm-5:25 am
1 stop7h 48m
Washington, D.C. Dulles Intl
Mon 8/24
5:15 pm-10:50 pm
1 stop8h 35m
$390
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Wed 9/2
5:06 pm-5:48 pm
2 stops21h 42m
Washington, D.C. Dulles Intl
Mon 9/7
7:35 pm-9:23 am
1 stop16h 48m
$390
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Tue 8/11
6:20 am-5:37 pm
1 stop8h 17m
Washington, D.C. Dulles Intl
Wed 8/12
3:40 pm-10:50 pm
1 stop10h 10m
$395
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Mon 8/17
9:38 pm-6:27 pm
2 stops17h 49m
Washington, D.C. Dulles Intl
Mon 8/24
2:53 pm-10:56 pm
2 stops11h 03m
$395
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Mon 7/20
9:38 pm-6:37 pm
2 stops17h 59m
Washington, D.C. Dulles Intl
Wed 7/29
7:53 pm-9:26 am
1 stop16h 33m
$400
Cheapest one-way
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Thu 8/13
6:37 pm-5:25 am
1 stop7h 48m
$138
San JoseWashington, D.C.
SJC - IAD
SJCIAD
San Jose
Mon 8/10
10:20 pm-11:33 am
1 stop10h 13m
$143
Showing 1-10 of 19 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 June.
| 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
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 February is currently the most expensive (average of $540). 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?
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 June 16, 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.
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Chantilly
Falls Church
Waldorf
Silver Spring
Largo
Clinton
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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 June 16, 2026.
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San Jose and Dulles Intl flights
Browse other San Jose and Dulles Intl flight options. Last updated on June 16, 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 June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Jose to Dulles Intl
Discover the top 4 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 2,558,603 searches. Data last updated June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$403 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$264 | Average$393 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$511 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$398 | FlexibilityNo cancel fee | On-time63% |