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Cheap flights from Ottawa to Washington from C$ 236

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SEA
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Ottawa to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Washington (USWA). 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 21 January 2025.

Round-trip from

C$ 348

One-way from

C$ 236
WestJet
  • WestJet
  • 26/3-27/3
  • 3 total stops
  • 21h 20m total
  • Ottawa to Washington
Search Deals
17/2
  • 17/2
  • 1 total stop
  • 22h 26m total
  • Ottawa to Washington
Search Deals

Find flight deals from Ottawa to Washington

Cheapest flights from Ottawa to Washington
Explore the most affordable flight options available from Ottawa to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Wed 26/36:15 a.m.YOW - SEA
1 stop11h 06mWestJet
Thu 27/311:30 a.m.SEA - YOW
2 stops10h 14mWestJet
Deal found 21/1C$ 348
Wed 19/36:15 a.m.YOW - SEA
1 stop11h 06mMultiple Airlines
Fri 4/43:15 p.m.SEA - YOW
2 stops22h 15mMultiple Airlines
Deal found 20/1C$ 374
Fri 21/22:50 p.m.YOW - PDX
2 stops21h 31mMultiple Airlines
Tue 25/28:28 p.m.PDX - YOW
1 stop17h 17mMultiple Airlines
Deal found 19/1C$ 414
Fri 21/26:20 a.m.YOW - SEA
2 stops12h 28mUnited Airlines
Mon 3/37:05 a.m.SEA - YOW
1 stop7h 01mUnited Airlines
Deal found 20/1C$ 619
Sun 2/210:30 a.m.YOW - PDX
2 stops13h 30mUnited Airlines
Sun 2/211:59 p.m.PDX - YOW
1 stop14h 07mUnited Airlines
Deal found 20/1C$ 692
Tue 20/55:50 p.m.YOW - PDX
1 stop8h 05mAir Canada
Wed 28/57:40 p.m.PDX - YOW
1 stop9h 43mAir Canada
Deal found 21/1C$ 697
Tue 25/25:45 a.m.YOW - SEA
2 stops11h 45mAir Canada
Thu 24/45:45 a.m.SEA - YOW
1 stop7h 19mAir Canada
Deal found 20/1C$ 734
Fri 21/29:35 p.m.YOW - PDX
2 stops26h 07mWestJet
Mon 24/212:59 a.m.PDX - YOW
2 stops16h 48mWestJet
Deal found 19/1C$ 799
Wed 24/98:55 a.m.YOW - PAE
1 stop14h 42mMultiple Airlines
Sun 5/108:30 a.m.PAE - YOW
1 stop8h 15mMultiple Airlines
Deal found 21/1C$ 925
Sat 1/36:15 a.m.YOW - SEA
1 stop11h 19mDelta
Mon 28/42:05 p.m.SEA - YOW
1 stop7h 36mDelta
Deal found 20/1C$ 987
Wed 29/15:55 a.m.YOW - PDX
2 stops20h 34mDelta
Mon 3/26:00 a.m.PDX - YOW
2 stops15h 46mDelta
Deal found 20/1C$ 1,471

Find flights from Ottawa to Washington within your budget

Customize your flight search to find flights from Ottawa to Washington 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 629,999 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 26/3

6:15 a.m.-2:21 p.m.

1 stop11h 06m

Seattle/Tacoma Intl

Thu 27/3

11:30 a.m.-12:44 a.m.

2 stops10h 14m

C$ 348

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 19/3

6:15 a.m.-2:21 p.m.

1 stop11h 06m

Seattle/Tacoma Intl

Fri 4/4

3:15 p.m.-4:30 p.m.

2 stops22h 15m

C$ 374

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 21/2

2:50 p.m.-9:21 a.m.

2 stops21h 31m

Portland

Tue 25/2

8:28 p.m.-4:45 p.m.

1 stop17h 17m

C$ 414

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Fri 21/2

6:20 a.m.-3:48 p.m.

2 stops12h 28m

Seattle/Tacoma Intl

Mon 3/3

7:05 a.m.-5:06 p.m.

1 stop7h 01m

C$ 619

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Sun 2/2

10:30 a.m.-9:00 p.m.

2 stops13h 30m

Portland

Sun 2/2

11:59 p.m.-5:06 p.m.

1 stop14h 07m

C$ 692

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Tue 20/5

5:50 p.m.-10:55 p.m.

1 stop8h 05m

Portland

Wed 28/5

7:40 p.m.-8:23 a.m.

1 stop9h 43m

C$ 697

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 25/2

5:45 a.m.-2:30 p.m.

2 stops11h 45m

Seattle/Tacoma Intl

Thu 24/4

5:45 a.m.-4:04 p.m.

1 stop7h 19m

C$ 734

OttawaPortland

YOW - PDX

YOWPDX

Ottawa

Fri 21/2

9:35 p.m.-8:42 p.m.

2 stops26h 07m

Portland

Mon 24/2

12:59 a.m.-8:47 p.m.

2 stops16h 48m

C$ 799

OttawaEverett

YOW - PAE

YOWPAE

Ottawa

Tue 18/2

6:20 a.m.-9:24 p.m.

2 stops18h 04m

Everett Paine Field

Thu 27/2

9:25 a.m.-12:40 a.m.

2 stops12h 15m

C$ 927

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Sat 1/3

6:15 a.m.-2:34 p.m.

1 stop11h 19m

Seattle/Tacoma Intl

Mon 28/4

2:05 p.m.-12:41 a.m.

1 stop7h 36m

C$ 987

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 16 results
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Best time to book a flight from Ottawa to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Ottawa with our price prediction graph.
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.

Travel insights for flights from Ottawa to Washington

Get recent, data-driven insights about flights from Ottawa to Washington including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ottawa to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Ottawa to State of Washington (average of C$ 257). Flying from Ottawa to State of Washington in April is currently the most expensive (average of C$ 421). 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.

What is the cheapest time of day to fly from YOW to WA?

Find hourly flight availability from Ottawa to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to State of Washington as you normally would.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated 21 January 2025.
Read reviews from past customers who have flown WestJet, United Airlines and Delta from Ottawa to Washington. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,635 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Washington?

    If you book a flight to Washington from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

  • What are the cheapest airlines to fly from Ottawa to State of Washington one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 252. Users have also found prices from C$ 348 and C$ 554 on United Airlines and Air Canada, respectively.

  • What are the most popular routes from Ottawa to State of Washington?

    While some choose either Ottawa - Portland or Ottawa - Everett Paine Field, Ottawa - Seattle/Tacoma Intl is the most popular route from Ottawa to State of Washington.

  • Can I find deals for flights from Ottawa to Washington that include hotel bookings?

    Yes. In addition to deals on Ottawa to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Washington.

  • Can I find deals for business class flights from Ottawa to Washington?

    Yes. Cheapflights offers flight deals from Ottawa to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to State of Washington (average of C$ 257). Flying from Ottawa to State of Washington in April is currently the most expensive (average of C$ 421). 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.

See more FAQs

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Alternative routes for Ottawa to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ottawa to Washington

Discover the top 3 airlines that operate flights from Ottawa to Washington. 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 629,999 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 360AverageC$ 645FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 431AverageC$ 681FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 495AverageC$ 631FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Washington?

Deals for Ottawa to Washington flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Washington?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Washington for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to Washington with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Washington, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Washington become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington from Ottawa today and book when prices fit your budget.

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