United MileagePlus award flights from Seattle (SEA) to Rio de Janeiro Galeão (GIG)
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In the last 30 days AwardTool saw United MileagePlus award space for SEA→GIG in economy, premium economy, business class and first class. Lowest economy: 45,000 miles + $5.60 (economy space on 19 dates). Lowest business class: 88,000 miles + $13.50 on a mixed-cabin itinerary (part of the trip in a lower cabin; business-class space on 19 dates).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
- Lowest economy
- 45,000 miles + $5.60
- economy space on 19 dates
- Lowest business class (mixed cabin)
- 88,000 miles + $13.50
- business-class space on 19 dates · part of the trip in a lower cabin
- Lowest first class
- 220,000 miles + $5.60
- first-class space on 13 dates
- Lowest premium economy
- 141,900 miles + $5.60
- premium economy space on 19 dates
MileagePlus award prices by cabin
The lowest one-way United MileagePlus award AwardTool observed on SEA→GIG in each cabin, in miles plus taxes.
| Cabin | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Economy | 45,000 miles + $5.60 | 2 stops | Air Canada (AC), Azul Brazilian Airlines (AD), Avianca (AV), JetBlue (B6) +2 more | 1 | 19 | See dates | |
| Premium Economy | 141,900 miles + $5.60 | 1 stop | Azul Brazilian Airlines (AD), United Airlines (UA) | 9+ | 19 | See dates | |
| Business | 88,000 miles + $13.50Mixed cabin | 2 stops | Air Canada (AC), Azul Brazilian Airlines (AD), Avianca (AV), COPA Airlines (CM) +1 more | 2 | 19 | See dates | |
| First | 220,000 miles + $5.60 | 3 stops | United Airlines (UA) | 9+ | 13 | See dates |
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed MileagePlus award examples
| Departure | Cabin | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|
| Economy | 45,000 miles + $5.60 | 1 | 2 stops | Check this date | ||
| Economy | 49,500 miles + $6.85 | 9+ | 2 stops | Check this date | ||
| Economy | 80,300 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Premium Economy | 150,200 miles + $12.80 | 1 | 2 stops | Check this date | ||
| Premium Economy | 159,000 miles + $11.20 | 9+ | 2 stops | Check this date | ||
| Premium Economy | 159,000 miles + $5.60 | 9+ | 1 stop | Check this date | ||
| Business | 88,000 miles + $13.50Mixed cabin | 2 | 2 stops | Check this date | ||
| First | 220,000 miles + $11.20 | 8 | 3 stops | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
How often MileagePlus award space showed up
Departure dates in the next 365 days that AwardTool checked for United MileagePlus in the last 30 days, how many had award space in each cabin at any price, and the latest departure with space.
| Cabin | Dates with space | Share of dates checked | Latest departure with space |
|---|---|---|---|
| Economy | 19 of 19 | 100% | |
| Premium Economy | 19 of 19 | 100% | |
| Business | 19 of 19 | 100% | |
| First | 13 of 19 | 68% |
Best months to fly from Seattle (SEA) to Rio de Janeiro Galeão (GIG) with MileagePlus
| Month | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| 49,500 (4 dates) | 159,000 (4 dates) | 88,000 (4 dates)Mixed cabin | 220,000 (3 dates) | |
| 45,000 (4 dates) | 150,200 (4 dates) | 220,000 (4 dates) | 395,000 (2 dates) | |
| 98,100 (7 dates) | 180,000 (7 dates) | 220,000 (7 dates) | 220,000 (6 dates) | |
| 73,000 (1 date) | 141,900 (1 date) | 220,000 (1 date) | — | |
| 49,500 (1 date) | 147,400 (1 date) | 220,000 (1 date) | — | |
| 74,800 (2 dates) | 180,000 (2 dates) | 220,000 (2 dates) | 220,000 (2 dates) |
How to get MileagePlus miles
- Bilt Rewards: 1:1 · Instant
- Chase Ultimate Rewards: 1:1 · Instant
Check current transfer bonuses. Most transfers can't be reversed.
MileagePlus vs other programs from Seattle (SEA) to Rio de Janeiro Galeão (GIG)
Lowest one-way award per program and cabin on this route.
| Program | Economy | Premium Economy | Business | First |
|---|---|---|---|---|
| Air Canada Aeroplan | 45,000 pts + $81.31 | 149,257 pts + $83.81 | 69,183 pts + $83.51 | — |
| Alaska Atmos Rewards | 30,000 pts + $25.60 | — | — | 60,000 pts + $25.60Lowest |
| American Airlines AAdvantage | 30,000 pts + $5.60Lowest | 43,500 pts + $5.60Lowest | 57,500 pts + $5.60LowestMixed cabin | — |
| Delta SkyMiles | 90,700 pts + $5.60 | 157,500 pts + $11.20 | — | 295,000 pts + $11.20 |
| GOL Smiles | 213,900 pts + taxes not reported | 650,000 pts + taxes not reported | — | — |
| Qantas Frequent Flyer | 43,200 pts + $29.00 | 143,500 pts + $1,500.80 | 113,900 pts + $29.00 | — |
| United MileagePlus | 45,000 pts + $5.60 | 141,900 pts + $5.60 | 88,000 pts + $13.50Mixed cabin | 220,000 pts + $5.60 |
Questions about MileagePlus award flights from Seattle (SEA) to Rio de Janeiro Galeão (GIG)
How many miles do you need to fly from Seattle (SEA) to Rio de Janeiro Galeão (GIG) with United MileagePlus?
The lowest one-way United MileagePlus awards AwardTool observed in the last 30 days: economy 45,000 miles + $5.60, with a typical monthly low of 49,500 miles over 6 months and award space on 19 departure dates (newest observation Oct 19, 2026); premium economy 141,900 miles + $5.60, with a typical monthly low of 150,200 miles over 6 months and award space on 19 departure dates (newest observation Oct 19, 2026); business class 88,000 miles + $13.50, a mixed-cabin award, with monthly lows of 88,000 miles in 1 month and 220,000 miles in 5 months, and award space on 19 departure dates (newest observation Oct 19, 2026); first class 220,000 miles + $5.60, with monthly lows of 220,000 miles in 3 months and 395,000 miles in 1 month, and award space on 13 departure dates (newest observation Oct 13, 2026). Monthly lows varied in economy (45,000 to 98,100 miles), premium economy (141,900 to 180,000 miles), business class (88,000 to 220,000 miles) and first class (220,000 to 395,000 miles), so the award on your dates may cost more. Search live before transferring points.
What's the lowest MileagePlus award from Seattle (SEA) to Rio de Janeiro Galeão (GIG)?
In economy, 45,000 miles + $5.60. Seen Oct 12, 2026, 22:52 UTC for a Nov 7, 2026 departure. United MileagePlus showed economy award space on 19 departure dates at any price (newest observation Oct 19, 2026, 00:09 UTC). In business class, 88,000 miles + $13.50 on a mixed-cabin itinerary (part of the trip in a lower cabin). Seen Oct 7, 2026, 14:29 UTC for an Oct 24, 2026 departure. United MileagePlus showed business-class award space on 19 departure dates at any price (newest observation Oct 19, 2026, 00:09 UTC). Search live before transferring points.
Can you book nonstop awards from Seattle (SEA) to Rio de Janeiro Galeão (GIG) with MileagePlus?
AwardTool hasn't observed nonstop United MileagePlus award space on this route in the last 30 days. That doesn't mean nonstop space never appears.
Which credit card points can book MileagePlus awards from Seattle (SEA) to Rio de Janeiro Galeão (GIG)?
Bilt Rewards (1:1, Instant) and Chase Ultimate Rewards (1:1, Instant). Check current transfer bonuses; most transfers can't be reversed.
Which months had the lowest MileagePlus award prices from Seattle (SEA) to Rio de Janeiro Galeão (GIG)?
Counting only month prices from programs with award space on 2 or more dates that month, and leaving out unusually low outliers, the lowest economy award AwardTool observed was for Nov 2026 departures: 45,000 miles (4 dates). The month table shows every lowest price, including those. Based on dates we observed, not a forecast.