WAS - YOW

Find cheap flights from Washington, D.C. to Ottawa

Return
1 adult
Economy
0 bags
Thu 29/6
Thu 6/7

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Good to know

Low season

July

High season

November

Cheapest flight

C$ 227

Average price round-trip

C$ 519

Good deal round-trip

C$ 791

Good deal one-way

C$ 456
Best time to beat the crowds (23% less expensive on average)
Most popular time to fly (18% more expensive on average)
Flight from Washington, D.C. to Ottawa
(avg. price over the last 2 weeks)
or less
or less

When to book flights from Washington, D.C. to Ottawa

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight out of Washington, D.C.

  • The cheapest flight from Washington, D.C. to Ottawa was found, on average, 57 days before departure.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be October, November and December. The cheapest month to fly is July.
  • Morning departure is around 3% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking flights from Washington, D.C. to Ottawa

Book cheap flights from Washington, D.C. to Ottawa

Recent round-trip flight deals

18/7Tue
1 stopPorter Airlines
4h 19mIAD-YOW
8/8Tue
1 stopPorter Airlines
5h 27mYOW-IAD
C$ 468
28/6Wed
1 stopPorter Airlines
3h 24mIAD-YOW
30/8Wed
1 stopPorter Airlines
5h 27mYOW-IAD
C$ 477
27/6Tue
1 stopPorter Airlines
5h 59mIAD-YOW
30/8Wed
1 stopPorter Airlines
3h 17mYOW-IAD
C$ 484
27/6Tue
1 stopPorter Airlines
5h 59mIAD-YOW
1/9Fri
1 stopPorter Airlines
3h 17mYOW-IAD
C$ 488
25/8Fri
1 stopPorter Airlines
4h 19mIAD-YOW
28/9Thu
1 stopPorter Airlines
5h 27mYOW-IAD
C$ 491
1/8Tue
1 stopPorter Airlines
5h 59mIAD-YOW
8/8Tue
1 stopPorter Airlines
4h 27mYOW-IAD
C$ 500
28/6Wed
1 stopPorter Airlines
4h 19mIAD-YOW
5/7Wed
1 stopPorter Airlines
4h 27mYOW-IAD
C$ 504
18/7Tue
1 stopAir Canada
3h 43mDCA-YOW
8/8Tue
directAir Canada
1h 52mYOW-DCA
C$ 548
23/9Sat
directUnited Airlines
1h 43mIAD-YOW
10/10Tue
directUnited Airlines
1h 44mYOW-IAD
C$ 556
3/10Tue
directAir Canada
1h 32mDCA-YOW
10/10Tue
1 stopAir Canada
4h 41mYOW-DCA
C$ 556
18/7Tue
1 stopAir Canada
3h 43mDCA-YOW
8/8Tue
1 stopAir Canada
4h 41mYOW-DCA
C$ 563
18/7Tue
1 stopMultiple Airlines
4h 38mDCA-YOW
8/8Tue
directMultiple Airlines
1h 52mYOW-DCA
C$ 571
23/9Sat
directUnited Airlines
1h 43mIAD-YOW
30/9Sat
directUnited Airlines
1h 44mYOW-IAD
C$ 571
18/7Tue
1 stopMultiple Airlines
4h 38mDCA-YOW
8/8Tue
1 stopMultiple Airlines
5h 41mYOW-DCA
C$ 585
25/8Fri
directAir Canada
1h 31mDCA-YOW
28/9Thu
1 stopAir Canada
4h 41mYOW-DCA
C$ 586
8/7Sat
1 stopAir Canada
5h 13mDCA-YOW
22/7Sat
1 stopAir Canada
5h 40mYOW-DCA
C$ 587
25/9Mon
1 stopUnited Airlines
4h 46mDCA-YOW
28/9Thu
1 stopUnited Airlines
9h 54mYOW-DCA
C$ 604
27/6Tue
1 stopUnited Airlines
4h 37mIAD-YOW
29/8Tue
directUnited Airlines
1h 40mYOW-IAD
C$ 612
27/6Tue
1 stopUnited Airlines
7h 01mDCA-YOW
28/8Mon
1 stopUnited Airlines
4h 41mYOW-DCA
C$ 625
13/6Tue
2 stopsWestJet
9h 36mBWI-YOW
15/6Thu
2 stopsWestJet
18h 01mYOW-BWI
C$ 1,479

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Recent one-way flight deals

31/8Thu
1 stopPorter Airlines
4h 19mIAD-YOW
C$ 227
28/6Wed
1 stopPorter Airlines
4h 19mIAD-YOW
C$ 241
6/8Sun
1 stopPorter Airlines
4h 29mIAD-YOW
C$ 253
6/8Sun
directAir Canada
1h 47mIAD-YOW
C$ 254
26/11Sun
1 stopAir Canada
5h 49mDCA-YOW
C$ 261
3/8Thu
1 stopPorter Airlines
3h 24mIAD-YOW
C$ 261
2/8Wed
1 stopUnited Airlines
4h 38mDCA-YOW
C$ 269
27/6Tue
1 stopMultiple Airlines
11h 07mIAD-YOW
C$ 290
28/6Wed
1 stopAir Canada
4h 14mDCA-YOW
C$ 296
31/8Thu
1 stopAir Canada
5h 03mBWI-YOW
C$ 341
31/8Thu
directUnited Airlines
1h 31mDCA-YOW
C$ 343
27/7Thu
1 stopUnited Airlines
14h 05mDCA-YOW
C$ 355
16/6Fri
1 stopPorter Airlines
5h 59mIAD-YOW
C$ 362
2/8Wed
2 stopsMultiple Airlines
7h 29mDCA-YOW
C$ 367
28/6Wed
directAir Canada
1h 47mIAD-YOW
C$ 378
2/8Wed
directUnited Airlines
1h 31mDCA-YOW
C$ 392
27/7Thu
2 stopsMultiple Airlines
10h 04mDCA-YOW
C$ 408
31/8Thu
2 stopsMultiple Airlines
9h 34mDCA-YOW
C$ 412
26/11Sun
2 stopsWestJet
23h 00mDCA-YOW
C$ 464
28/6Wed
2 stopsDelta
10h 55mBWI-YOW
C$ 657

Search by stops

Search by airline

Search by price

Flights to Ottawa

Destination:

Ottawa (YOW)Canada

Return flight deals:

Ottawa - Washington, D.C.

Cabin classes:

C$ 523

Browse destinations:

C$ 451